2025-11-26 00:07:27 UPDATED: (M4.8) New Britain region, Papua New Guinea -5.8 149.2 (70fa9)

M4.8 Earthquake - New Britain region, Papua New Guinea

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 26 Nov 2025 00:07:27 Time near the Epicenter (1): 26 Nov 2025 11:07:27 Time in your area (1): 26 Nov 2025 05:37:27
Location	5.849S 149.168E
Depth	146 km
Distances	57.7 km (35.7 mi) NW of Kandrian, Papua New Guinea 112.4 km (69.7 mi) WSW of Kimbe, Papua New Guinea 259.0 km (160.6 mi) ENE of Lae, Papua New Guinea 317.1 km (196.6 mi) ENE of Wau, Papua New Guinea 317.1 km (196.6 mi) ENE of Bulolo, Papua New Guinea
Location Uncertainty	Horizontal: 9.9 km; Vertical 6.7 km
Parameters	Nph = 49; Dmin = 379.1 km; Rmss = 0.73 seconds; Gp = 63° Version =
Event ID	us 7000rdub ***This event has been revised.

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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This email was sent to earthquake.tremors@gmail.com This is an update to a previous notification for this event

2025-11-26 02:59:12 (M5.0) Tonga -15.0 -173.5 (70fa9)

M5.0 Earthquake - Tonga

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 26 Nov 2025 02:59:12 Time near the Epicenter (1): 26 Nov 2025 15:59:12 Time in your area (1): 26 Nov 2025 08:29:12
Location	15.003S 173.542W
Depth	10 km
Distances	108.7 km (67.4 mi) NNE of Hihifo, Tonga 231.1 km (143.3 mi) SW of Apia, Samoa 316.3 km (196.1 mi) WSW of Pago Pago, American Samoa 701.2 km (434.8 mi) NNE of Nuku'alofa, Tonga 776.5 km (481.4 mi) ENE of Labasa, Fiji
Location Uncertainty	Horizontal: 12.3 km; Vertical 1.9 km
Parameters	Nph = 41; Dmin = 224.9 km; Rmss = 0.84 seconds; Gp = 101° Version =
Event ID	us 7000rdv0

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2025-11-26 00:07:25 (M5.3) New Britain region, Papua New Guinea -5.8 149.2 (70fa9)

M5.3 Earthquake - New Britain region, Papua New Guinea

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 26 Nov 2025 00:07:25 Time near the Epicenter (1): 26 Nov 2025 11:07:25 Time in your area (1): 26 Nov 2025 05:37:25
Location	5.808S 149.186E
Depth	129 km
Distances	59.5 km (36.9 mi) NW of Kandrian, Papua New Guinea 109.2 km (67.7 mi) WSW of Kimbe, Papua New Guinea 262.6 km (162.8 mi) ENE of Lae, Papua New Guinea 321.1 km (199.1 mi) ENE of Bulolo, Papua New Guinea 321.3 km (199.2 mi) ENE of Wau, Papua New Guinea
Location Uncertainty	Horizontal: 10.4 km; Vertical 6.0 km
Parameters	Nph = 39; Dmin = 375.1 km; Rmss = 0.62 seconds; Gp = 98° Version =
Event ID	us 7000rdub

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2025-11-25 17:16:20 (M5.4) Fox Islands, Aleutian Islands, Alaska 52.9 -167.9 (70fa9)

M5.4 Earthquake - Fox Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 25 Nov 2025 17:16:20 Time near the Epicenter (1): 25 Nov 2025 08:16:20 Time in your area (1): 25 Nov 2025 22:46:20
Location	52.890N 167.877W
Depth	51 km
Distances	66.4 km (41.2 mi) E of Nikolski, Alaska 1423.5 km (882.5 mi) SW of Anchorage, Alaska 1444.7 km (895.7 mi) SW of Eagle River, Alaska 1454.7 km (901.9 mi) SW of Knik-Fairview, Alaska 1558.0 km (966.0 mi) SSE of Anadyr, Russia
Location Uncertainty	Horizontal: 0.0 km; Vertical 2.7 km
Parameters	Nph = 217; Dmin = 55.3 km; Rmss = 1.28 seconds; Gp = 197° Version =
Event ID	ak 2025xfknuk

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Alaska Earthquake Center
Geophysical Institute, University of Alaska Fairbanks

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2025-11-25 09:01:18 (M5.4) Kyushu, Japan 33.1 131.1 (70fa9)

M5.4 Earthquake - Kyushu, Japan

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 25 Nov 2025 09:01:18 Time near the Epicenter (1): 25 Nov 2025 18:01:18 Time in your area (1): 25 Nov 2025 14:31:18
Location	33.054N 131.107E
Depth	10 km
Distances	13.2 km (8.2 mi) N of Aso, Japan 25.1 km (15.6 mi) S of Tsukawaki, Japan 28.2 km (17.5 mi) ENE of Kikuchi, Japan 29.1 km (18.0 mi) WNW of Takedamachi, Japan 47.6 km (29.5 mi) NE of Kumamoto, Japan
Location Uncertainty	Horizontal: 5.3 km; Vertical 1.9 km
Parameters	Nph = 74; Dmin = 182.0 km; Rmss = 1.63 seconds; Gp = 31° Version =
Event ID	us 7000rdmh

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2025-11-24 02:21:02 (M5.4) central Mid-Atlantic Ridge 7.5 -37.0 (70fa9)

M5.4 Earthquake - central Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 24 Nov 2025 02:21:03 Time near the Epicenter (1): 24 Nov 2025 00:21:03 Time in your area (1): 24 Nov 2025 07:51:03
Location	7.482N 37.027W
Depth	10 km
Distances	1196.8 km (742.0 mi) NNE of Acaraú, Brazil 1215.6 km (753.7 mi) NNE of Trairi, Brazil 1215.8 km (753.8 mi) NNE of Bela Cruz, Brazil 1222.9 km (758.2 mi) NNE of Marco, Brazil 1249.8 km (774.9 mi) N of Fortaleza, Brazil
Location Uncertainty	Horizontal: 10.6 km; Vertical 1.9 km
Parameters	Nph = 82; Dmin = 1475.4 km; Rmss = 1.53 seconds; Gp = 51° Version =
Event ID	us 6000rq0u

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2025-11-23 08:21:46 UPDATED: (M5.5) Andreanof Islands, Aleutian Islands, Alaska 51.4 -177.1 (70fa9)

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

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 23 Nov 2025 08:21:46 Time near the Epicenter (1): 22 Nov 2025 22:21:46 Time in your area (1): 23 Nov 2025 13:51:46
Location	51.411N 177.068W
Depth	54 km
Distances	59.6 km (37.0 mi) SSW of Adak, Alaska 1516.6 km (940.3 mi) S of Anadyr, Russia 1544.0 km (957.3 mi) ESE of Klyuchi, Russia 1662.3 km (1030.7 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1678.0 km (1040.4 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 4.4 km; Vertical 5.6 km
Parameters	Nph = 119; Dmin = 40.7 km; Rmss = 0.92 seconds; Gp = 92° Version =
Event ID	us 6000rpxa ***This event supersedes event AK2025xbbjhg.

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2025-11-23 08:21:45 (M5.8) Andreanof Islands, Aleutian Islands, Alaska 51.3 -177.0 (70fa9)

M5.8 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.8
Date-Time	Universal Time (UTC): 23 Nov 2025 08:21:45 Time near the Epicenter (1): 22 Nov 2025 22:21:45 Time in your area (1): 23 Nov 2025 13:51:45
Location	51.338N 177.011W
Depth	24 km
Distances	65.1 km (40.4 mi) SSW of Adak, Alaska 1525.4 km (945.7 mi) S of Anadyr, Russia 1551.5 km (962.0 mi) ESE of Klyuchi, Russia 1668.4 km (1034.4 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1684.1 km (1044.2 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 0.0 km; Vertical 3.0 km
Parameters	Nph = 169; Dmin = 49.7 km; Rmss = 1.13 seconds; Gp = 203° Version =
Event ID	ak 2025xbbjhg

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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Alaska Earthquake Center
Geophysical Institute, University of Alaska Fairbanks

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2025-11-23 04:39:22 (M5.3) Andaman Islands, India region 13.3 95.8 (70fa9)

M5.3 Earthquake - Andaman Islands, India region

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 23 Nov 2025 04:39:22 Time near the Epicenter (1): 23 Nov 2025 10:39:22 Time in your area (1): 23 Nov 2025 10:09:22
Location	13.340N 95.835E
Depth	10 km
Distances	267.8 km (166.0 mi) WSW of Dawei, Burma (Myanmar) 316.2 km (196.1 mi) WNW of Myeik, Burma (Myanmar) 326.3 km (202.3 mi) S of Pyapon, Burma (Myanmar) 330.2 km (204.7 mi) S of Bogale, Burma (Myanmar) 341.6 km (211.8 mi) S of Mawlamyinegyunn, Burma (Myanmar)
Location Uncertainty	Horizontal: 9.9 km; Vertical 1.9 km
Parameters	Nph = 48; Dmin = 391.1 km; Rmss = 1.15 seconds; Gp = 93° Version =
Event ID	us 6000rpwk

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2025-11-23 03:19:55 (M5.4) Halmahera, Indonesia 1.3 128.6 (70fa9)

M5.4 Earthquake - Halmahera, Indonesia

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 23 Nov 2025 03:19:56 Time near the Epicenter (1): 23 Nov 2025 12:19:56 Time in your area (1): 23 Nov 2025 08:49:56
Location	1.275N 128.570E
Depth	10 km
Distances	70.6 km (43.8 mi) NNE of Maba, Indonesia 80.0 km (49.6 mi) SE of Tobelo, Indonesia 127.2 km (78.9 mi) ENE of Sofifi, Indonesia 142.4 km (88.3 mi) ENE of Ternate, Indonesia 273.0 km (169.2 mi) NW of Waisai, Indonesia
Location Uncertainty	Horizontal: 7.3 km; Vertical 1.9 km
Parameters	Nph = 61; Dmin = 381.1 km; Rmss = 1.26 seconds; Gp = 84° Version =
Event ID	us 6000rpwf

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2025-11-22 18:41:19 (M5.1) off the coast of Costa Rica 8.8 -84.1 (70fa9)

M5.1 Earthquake - off the coast of Costa Rica

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 22 Nov 2025 18:41:19 Time near the Epicenter (1): 22 Nov 2025 12:41:19 Time in your area (1): 23 Nov 2025 00:11:19
Location	8.761N 84.103W
Depth	8 km
Distances	67.4 km (41.8 mi) WSW of Puerto Cortés, Costa Rica 79.4 km (49.2 mi) SW of Daniel Flores, Costa Rica 80.5 km (49.9 mi) SSW of San Isidro, Costa Rica 96.1 km (59.6 mi) WSW of Buenos Aires, Costa Rica 123.6 km (76.7 mi) S of Cartago, Costa Rica
Location Uncertainty	Horizontal: 7.6 km; Vertical 4.7 km
Parameters	Nph = 160; Dmin = 108.8 km; Rmss = 0.84 seconds; Gp = 136° Version =
Event ID	us 6000rpvb

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