2025-12-13 14:04:33 (M5.0) South Sandwich Islands region -58.9 -25.8 (70fa9)

M5.0 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 13 Dec 2025 14:04:34 Time near the Epicenter (1): 13 Dec 2025 12:04:34 Time in your area (1): 13 Dec 2025 19:34:34
Location	58.907S 25.771W
Depth	74 km
Distances	2540.7 km (1575.2 mi) E of Tolhuin, Argentina 2589.1 km (1605.3 mi) E of Ushuaia, Argentina 2608.9 km (1617.5 mi) E of Río Grande, Argentina 2822.3 km (1749.8 mi) E of Río Gallegos, Argentina 2827.9 km (1753.3 mi) E of Punta Arenas, Chile
Location Uncertainty	Horizontal: 13.9 km; Vertical 8.4 km
Parameters	Nph = 33; Dmin = 2085.3 km; Rmss = 0.70 seconds; Gp = 87° Version =
Event ID	us 6000runq

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-13 12:18:46 (M5.4) Tarapaca-Antofagasta border region, Chile -21.2 -69.1 (70fa9)

M5.4 Earthquake - Tarapaca-Antofagasta border region, Chile

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 13 Dec 2025 12:18:46 Time near the Epicenter (1): 13 Dec 2025 08:18:46 Time in your area (1): 13 Dec 2025 17:48:46
Location	21.224S 69.050W
Depth	95 km
Distances	82.7 km (51.3 mi) W of Ollagüe, Chile 137.1 km (85.0 mi) N of Calama, Chile 152.5 km (94.6 mi) SE of Alto Hospicio, Chile 152.8 km (94.7 mi) NE of Tocopilla, Chile 160.2 km (99.3 mi) SE of Iquique, Chile
Location Uncertainty	Horizontal: 4.9 km; Vertical 4.9 km
Parameters	Nph = 73; Dmin = 66.3 km; Rmss = 1.14 seconds; Gp = 48° Version =
Event ID	us 6000run8

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-13 10:50:59 (M5.5) Rat Islands, Aleutian Islands, Alaska 51.9 178.3 (70fa9)

M5.5 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 13 Dec 2025 10:51:00 Time near the Epicenter (1): 13 Dec 2025 00:51:00 Time in your area (1): 13 Dec 2025 16:21:00
Location	51.923N 178.337E
Depth	109 km
Distances	346.1 km (214.6 mi) W of Adak, Alaska 1239.6 km (768.5 mi) ESE of Klyuchi, Russia 1340.4 km (831.1 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1356.1 km (840.8 mi) ESE of Vilyuchinsk, Russia 1356.3 km (840.9 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 7.4 km; Vertical 2.5 km
Parameters	Nph = 88; Dmin = 16.5 km; Rmss = 0.94 seconds; Gp = 31° Version =
Event ID	us 6000rumi

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-12 19:03:12 (M5.3) Izu Islands, Japan region 32.4 137.7 (70fa9)

M5.3 Earthquake - Izu Islands, Japan region

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 12 Dec 2025 19:03:12 Time near the Epicenter (1): 13 Dec 2025 04:03:12 Time in your area (1): 13 Dec 2025 00:33:12
Location	32.367N 137.668E
Depth	370 km
Distances	214.8 km (133.2 mi) SE of Kushimoto, Japan 218.4 km (135.4 mi) SE of Shingū, Japan 223.3 km (138.4 mi) SE of Kumano, Japan 231.5 km (143.5 mi) SSE of Shima, Japan 283.4 km (175.7 mi) SSE of Tsu, Japan
Location Uncertainty	Horizontal: 7.4 km; Vertical 6.7 km
Parameters	Nph = 105; Dmin = 217.5 km; Rmss = 1.10 seconds; Gp = 40° Version =
Event ID	us 6000ruih

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-12 13:56:00 (M5.2) South Sandwich Islands region -59.6 -26.4 (70fa9)

M5.2 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 12 Dec 2025 13:56:01 Time near the Epicenter (1): 12 Dec 2025 11:56:01 Time in your area (1): 12 Dec 2025 19:26:01
Location	59.605S 26.358W
Depth	96 km
Distances	2499.2 km (1549.5 mi) E of Tolhuin, Argentina 2545.7 km (1578.3 mi) E of Ushuaia, Argentina 2569.0 km (1592.8 mi) E of Río Grande, Argentina 2786.6 km (1727.7 mi) E of Punta Arenas, Chile 2786.6 km (1727.7 mi) E of Río Gallegos, Argentina
Location Uncertainty	Horizontal: 12.1 km; Vertical 7.1 km
Parameters	Nph = 66; Dmin = 854.6 km; Rmss = 0.47 seconds; Gp = 86° Version =
Event ID	us 6000ruex

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-12 02:44:11 UPDATED: (M6.7) near the east coast of Honshu, Japan 40.9 142.7 (70fa9)

M6.7 Earthquake - near the east coast of Honshu, Japan

Preliminary Report

Magnitude	6.7
Date-Time	Universal Time (UTC): 12 Dec 2025 02:44:12 Time near the Epicenter (1): 12 Dec 2025 13:44:12 Time in your area (1): 12 Dec 2025 08:14:12
Location	40.917N 142.745E
Depth	10 km
Distances	115.0 km (71.3 mi) ENE of Hachinohe, Japan 115.8 km (71.8 mi) NE of Kuji, Japan 117.2 km (72.7 mi) ENE of Misawa, Japan 133.7 km (82.9 mi) ENE of Towada, Japan 170.0 km (105.4 mi) E of Aomori, Japan
Location Uncertainty	Horizontal: 8.5 km; Vertical 4.1 km
Parameters	Nph = 100; Dmin = 126.7 km; Rmss = 0.94 seconds; Gp = 34° Version =
Event ID	us 6000ruc4

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.
Your account has aftershock exclusion turned on. This event fell into the 'US6000rtdt' exclusion region, but was large enough to trigger notification.
To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-11 22:08:08 (M5.1) Fiji region -18.2 -178.2 (70fa9)

M5.1 Earthquake - Fiji region

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 11 Dec 2025 22:08:08 Time near the Epicenter (1): 12 Dec 2025 11:08:08 Time in your area (1): 12 Dec 2025 03:38:08
Location	18.175S 178.191W
Depth	576 km
Distances	264.1 km (163.7 mi) E of Levuka, Fiji 323.6 km (200.6 mi) SE of Labasa, Fiji 349.0 km (216.4 mi) E of Nasinu, Fiji 358.1 km (222.0 mi) E of Suva, Fiji 444.0 km (275.3 mi) E of Ba, Fiji
Location Uncertainty	Horizontal: 9.9 km; Vertical 6.2 km
Parameters	Nph = 98; Dmin = 319.9 km; Rmss = 0.82 seconds; Gp = 31° Version =
Event ID	us 6000ru9w

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-11 11:59:22 (M5.1) western Xizang 33.0 88.7 (70fa9)

M5.1 Earthquake - western Xizang

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 11 Dec 2025 11:59:22 Time near the Epicenter (1): 11 Dec 2025 19:59:22 Time in your area (1): 11 Dec 2025 17:29:22
Location	32.968N 88.727E
Depth	10 km
Distances	354.8 km (220.0 mi) WNW of Nagqu, China 383.3 km (237.6 mi) NNW of Dêqên, China 412.4 km (255.7 mi) N of Rikaze, China 431.6 km (267.6 mi) NNW of Lhasa, China 456.4 km (283.0 mi) N of Jiangzi, China
Location Uncertainty	Horizontal: 9.1 km; Vertical 1.9 km
Parameters	Nph = 70; Dmin = 1404.9 km; Rmss = 0.98 seconds; Gp = 78° Version =
Event ID	us 6000ru41

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-10 14:52:24 (M5.7) near the east coast of Honshu, Japan 40.8 142.7 (70fa9)

M5.7 Earthquake - near the east coast of Honshu, Japan

Preliminary Report

Magnitude	5.7
Date-Time	Universal Time (UTC): 10 Dec 2025 14:52:24 Time near the Epicenter (1): 11 Dec 2025 01:52:24 Time in your area (1): 10 Dec 2025 20:22:24
Location	40.847N 142.712E
Depth	36 km
Distances	108.4 km (67.2 mi) NE of Kuji, Japan 109.5 km (67.9 mi) ENE of Hachinohe, Japan 113.0 km (70.1 mi) E of Misawa, Japan 129.3 km (80.1 mi) E of Towada, Japan 166.9 km (103.5 mi) E of Aomori, Japan
Location Uncertainty	Horizontal: 6.8 km; Vertical 6.4 km
Parameters	Nph = 148; Dmin = 135.0 km; Rmss = 0.60 seconds; Gp = 44° Version =
Event ID	us 6000rtw5

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.
Your account has aftershock exclusion turned on. This event fell into the 'US6000rtdt' exclusion region, but was large enough to trigger notification.
To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-10 13:30:17 (M5.3) Bougainville region, Papua New Guinea -6.4 154.9 (70fa9)

M5.3 Earthquake - Bougainville region, Papua New Guinea

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 10 Dec 2025 13:30:17 Time near the Epicenter (1): 11 Dec 2025 00:30:17 Time in your area (1): 10 Dec 2025 19:00:17
Location	6.392S 154.864E
Depth	107 km
Distances	69.2 km (42.9 mi) W of Panguna, Papua New Guinea 79.8 km (49.4 mi) WSW of Arawa, Papua New Guinea 289.0 km (179.2 mi) NW of Gizo, Solomon Islands 366.1 km (227.0 mi) SE of Kokopo, Papua New Guinea 531.5 km (329.5 mi) E of Kimbe, Papua New Guinea
Location Uncertainty	Horizontal: 9.7 km; Vertical 7.8 km
Parameters	Nph = 59; Dmin = 385.3 km; Rmss = 0.62 seconds; Gp = 57° Version =
Event ID	us 6000rtvs

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-10 08:27:06 (M5.5) northern Colombia 6.8 -73.1 (70fa9)

M5.5 Earthquake - northern Colombia

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 10 Dec 2025 08:27:07 Time near the Epicenter (1): 10 Dec 2025 03:27:07 Time in your area (1): 10 Dec 2025 13:57:07
Location	6.828N 73.058W
Depth	140 km
Distances	11.3 km (7.0 mi) NNE of Jordán, Colombia 17.7 km (11.0 mi) S of Piedecuesta, Colombia 24.6 km (15.3 mi) N of Curití, Colombia 26.1 km (16.2 mi) S of Floridablanca, Colombia 33.6 km (20.8 mi) SSE of Bucaramanga, Colombia
Location Uncertainty	Horizontal: 7.0 km; Vertical 8.2 km
Parameters	Nph = 78; Dmin = 259.8 km; Rmss = 1.24 seconds; Gp = 38° Version =
Event ID	us 6000rtuk

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-10 06:38:27 (M5.2) Near the coast of Atacama, Chile -28.9 -71.3 (70fa9)

M5.2 Earthquake - Near the coast of Atacama, Chile

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 10 Dec 2025 06:38:27 Time near the Epicenter (1): 10 Dec 2025 02:38:27 Time in your area (1): 10 Dec 2025 12:08:27
Location	28.866S 71.347W
Depth	42 km
Distances	65.8 km (40.8 mi) WSW of Vallenar, Chile 115.5 km (71.6 mi) N of La Serena, Chile 120.5 km (74.7 mi) N of Coquimbo, Chile 143.5 km (89.0 mi) NNW of Vicuña, Chile 192.9 km (119.6 mi) N of Ovalle, Chile
Location Uncertainty	Horizontal: 3.9 km; Vertical 6.5 km
Parameters	Nph = 66; Dmin = 65.1 km; Rmss = 1.33 seconds; Gp = 95° Version =
Event ID	us 6000rttx

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-09 20:31:18 (M5.1) south of the Fiji Islands -27.0 -176.3 (70fa9)

M5.1 Earthquake - south of the Fiji Islands

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 9 Dec 2025 20:31:19 Time near the Epicenter (1): 10 Dec 2025 09:31:19 Time in your area (1): 10 Dec 2025 02:01:19
Location	26.961S 176.272W
Depth	10 km
Distances	636.6 km (394.7 mi) SSW of 'Ohonua, Tonga 654.2 km (405.6 mi) S of Nuku'alofa, Tonga 1118.7 km (693.6 mi) SSE of Suva, Fiji 1120.9 km (694.9 mi) SSE of Nasinu, Fiji 1167.0 km (723.5 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 13.1 km; Vertical 1.8 km
Parameters	Nph = 54; Dmin = 1087.7 km; Rmss = 0.91 seconds; Gp = 86° Version =
Event ID	us 6000rtql

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-09 21:00:16 (M5.3) south of the Fiji Islands -26.9 -176.5 (70fa9)

M5.3 Earthquake - south of the Fiji Islands

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 9 Dec 2025 21:00:16 Time near the Epicenter (1): 10 Dec 2025 10:00:16 Time in your area (1): 10 Dec 2025 02:30:16
Location	26.942S 176.469W
Depth	10 km
Distances	639.1 km (396.2 mi) SSW of 'Ohonua, Tonga 655.8 km (406.6 mi) SSW of Nuku'alofa, Tonga 1107.2 km (686.4 mi) SSE of Suva, Fiji 1109.5 km (687.9 mi) SSE of Nasinu, Fiji 1154.2 km (715.6 mi) SSE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 14.9 km; Vertical 1.9 km
Parameters	Nph = 38; Dmin = 3402.4 km; Rmss = 0.69 seconds; Gp = 82° Version =
Event ID	us 6000rtqr

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-09 10:12:35 (M5.0) Iceland region 62.2 -26.4 (70fa9)

M5.0 Earthquake - Iceland region

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 9 Dec 2025 10:12:36 Time near the Epicenter (1): 9 Dec 2025 08:12:36 Time in your area (1): 9 Dec 2025 15:42:36
Location	62.196N 26.433W
Depth	10 km
Distances	272.8 km (169.1 mi) SW of Grindavík, Iceland 280.3 km (173.8 mi) SW of Reykjanesbær, Iceland 280.8 km (174.1 mi) SW of Keflavík, Iceland 308.0 km (191.0 mi) SW of Hafnarfjörður, Iceland 310.1 km (192.3 mi) SW of Garðabær, Iceland
Location Uncertainty	Horizontal: 8.6 km; Vertical 1.9 km
Parameters	Nph = 46; Dmin = 382.1 km; Rmss = 1.14 seconds; Gp = 62° Version =
Event ID	us 6000rtln

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-09 07:02:53 (M5.2) Simeulue, Indonesia 2.5 96.0 (70fa9)

M5.2 Earthquake - Simeulue, Indonesia

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 9 Dec 2025 07:02:54 Time near the Epicenter (1): 9 Dec 2025 14:02:54 Time in your area (1): 9 Dec 2025 12:32:54
Location	2.542N 95.992E
Depth	10 km
Distances	43.7 km (27.1 mi) W of Sinabang, Indonesia 162.3 km (100.6 mi) SW of Blangpidie, Indonesia 177.8 km (110.3 mi) S of Meulaboh, Indonesia 201.7 km (125.1 mi) W of Singkil, Indonesia 318.8 km (197.7 mi) WSW of Medan, Indonesia
Location Uncertainty	Horizontal: 7.1 km; Vertical 1.8 km
Parameters	Nph = 108; Dmin = 222.8 km; Rmss = 0.72 seconds; Gp = 97° Version =
Event ID	us 6000rtkx

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.
Your account has aftershock exclusion turned on. This event fell into the 'US7000re2g' exclusion region, but was large enough to trigger notification.
To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-09 04:30:00 (M5.0) Rat Islands, Aleutian Islands, Alaska 51.2 178.6 (70fa9)

M5.0 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 9 Dec 2025 04:30:01 Time near the Epicenter (1): 8 Dec 2025 18:30:01 Time in your area (1): 9 Dec 2025 10:00:01
Location	51.235N 178.623E
Depth	5 km
Distances	336.5 km (208.6 mi) WSW of Adak, Alaska 1296.4 km (803.8 mi) ESE of Klyuchi, Russia 1379.1 km (855.0 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1394.0 km (864.3 mi) ESE of Vilyuchinsk, Russia 1395.7 km (865.3 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 0.0 km; Vertical 0.0 km
Parameters	Nph = 55; Dmin = 44.5 km; Rmss = 1.10 seconds; Gp = 222° Version =
Event ID	ak 2025yedhrn

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
Alaska Earthquake Center
Geophysical Institute, University of Alaska Fairbanks

https://earthquake.alaska.edu

Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-09 03:08:56 (M5.0) south of the Kermadec Islands -32.6 -177.6 (70fa9)

M5.0 Earthquake - south of the Kermadec Islands

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 9 Dec 2025 03:08:57 Time near the Epicenter (1): 9 Dec 2025 16:08:57 Time in your area (1): 9 Dec 2025 08:38:57
Location	32.625S 177.559W
Depth	10 km
Distances	668.5 km (414.5 mi) NNE of Hicks Bay, New Zealand 772.0 km (478.6 mi) NE of Whakatane, New Zealand 780.1 km (483.6 mi) NNE of Gisborne, New Zealand 800.9 km (496.6 mi) NE of Tauranga, New Zealand 823.5 km (510.6 mi) ENE of Whangarei, New Zealand
Location Uncertainty	Horizontal: 11.8 km; Vertical 1.9 km
Parameters	Nph = 34; Dmin = 664.8 km; Rmss = 0.63 seconds; Gp = 92° Version =
Event ID	us 6000rtk2

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-09 00:37:07 (M5.3) Kermadec Islands region -27.1 -176.2 (70fa9)

M5.3 Earthquake - Kermadec Islands region

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 9 Dec 2025 00:37:08 Time near the Epicenter (1): 9 Dec 2025 13:37:08 Time in your area (1): 9 Dec 2025 06:07:08
Location	27.122S 176.172W
Depth	10 km
Distances	652.1 km (404.3 mi) S of 'Ohonua, Tonga 670.2 km (415.5 mi) S of Nuku'alofa, Tonga 1139.1 km (706.3 mi) SSE of Suva, Fiji 1141.3 km (707.6 mi) SSE of Nasinu, Fiji 1187.3 km (736.1 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 11.1 km; Vertical 1.9 km
Parameters	Nph = 41; Dmin = 1195.3 km; Rmss = 0.57 seconds; Gp = 75° Version =
Event ID	us 6000rtji

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com

2025-12-08 23:59:06 (M5.6) near the east coast of Honshu, Japan 40.8 142.7 (70fa9)

M5.6 Earthquake - near the east coast of Honshu, Japan

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 8 Dec 2025 23:59:07 Time near the Epicenter (1): 9 Dec 2025 10:59:07 Time in your area (1): 9 Dec 2025 05:29:07
Location	40.843N 142.704E
Depth	46 km
Distances	107.6 km (66.7 mi) NE of Kuji, Japan 108.7 km (67.4 mi) ENE of Hachinohe, Japan 112.3 km (69.7 mi) E of Misawa, Japan 128.6 km (79.7 mi) E of Towada, Japan 166.3 km (103.1 mi) E of Aomori, Japan
Location Uncertainty	Horizontal: 6.5 km; Vertical 6.6 km
Parameters	Nph = 78; Dmin = 135.6 km; Rmss = 0.77 seconds; Gp = 95° Version =
Event ID	us 6000rtj4

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to earthquake.tremors@gmail.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
for M5.0 at all times.
Your account has aftershock exclusion turned on. This event fell into the 'US6000rtdt' exclusion region, but was large enough to trigger notification.
To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP earthquake.tremors@gmail.com