Earthquake and Tremors

29 April, 2021

2021-04-29 04:08:44 (M5.5) Pagan region, Northern Mariana Islands 18.4 145.6 (70fa9)

M5.5 Earthquake - Pagan region, Northern Mariana Islands

Preliminary Report
Magnitude	5.5
Date-Time	29 Apr 2021 04:08:45 UTC 29 Apr 2021 14:08:45 near epicenter 29 Apr 2021 09:38:45 standard time in your timezone
Location	18.412N 145.585E
Depth	178 km
Distances	354.6 km (219.8 mi) N of Saipan, Northern Mariana Islands 381.1 km (236.3 mi) N of San Jose Village, Northern Mariana Islands 544.7 km (337.7 mi) N of Yigo Village, Guam 547.4 km (339.4 mi) N of Dededo Village, Guam 551.7 km (342.0 mi) N of Tamuning-Tumon-Harmon Village, Guam
Location Uncertainty	Horizontal: 9.0 km; Vertical 5.1 km
Parameters	Nph = 95; Dmin = 353.1 km; Rmss = 0.99 seconds; Gp = 28° Version =
Event ID	us 7000dyet

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey

Disclaimer

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You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (World)
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2021-04-29 03:58:46 (M5.4) off the east coast of the North Island of New Zealand -37.6 179.4 (70fa9)

M5.4 Earthquake - off the east coast of the North Island of New Zealand

Preliminary Report
Magnitude	5.4
Date-Time	29 Apr 2021 03:58:47 UTC 29 Apr 2021 15:58:47 near epicenter 29 Apr 2021 09:28:47 standard time in your timezone
Location	37.581S 179.365E
Depth	10 km
Distances	168.6 km (104.5 mi) NE of Gisborne, New Zealand 213.8 km (132.6 mi) ENE of Whakatane, New Zealand 281.4 km (174.5 mi) ENE of Rotorua, New Zealand 282.5 km (175.2 mi) E of Tauranga, New Zealand 301.3 km (186.8 mi) NE of Napier, New Zealand
Location Uncertainty	Horizontal: 10.6 km; Vertical 2.0 km
Parameters	Nph = 30; Dmin = 1043.5 km; Rmss = 0.79 seconds; Gp = 122° Version =
Event ID	us 7000dyeq

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey

Disclaimer

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for M5.0 at all times.
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2021-04-29 02:17:16 (M5.7) Neuquen, Argentina -37.3 -70.8 (70fa9)

M5.7 Earthquake - Neuquen, Argentina

Preliminary Report
Magnitude	5.7
Date-Time	29 Apr 2021 02:17:17 UTC 28 Apr 2021 23:17:17 near epicenter 29 Apr 2021 07:47:17 standard time in your timezone
Location	37.268S 70.792W
Depth	136 km
Distances	14.7 km (9.1 mi) SW of Andacollo, Argentina 47.8 km (29.6 mi) WNW of Chos Malal, Argentina 137.5 km (85.3 mi) ENE of Mulch�n, Chile 138.0 km (85.5 mi) ESE of Chill�n, Chile 139.9 km (86.7 mi) SE of San Carlos, Chile
Location Uncertainty	Horizontal: 7.3 km; Vertical 4.8 km
Parameters	Nph = 78; Dmin = 79.6 km; Rmss = 0.93 seconds; Gp = 61° Version =
Event ID	us 7000dydz

28 April, 2021

2021-04-28 02:21:25 (M6.0) Assam, India 26.8 92.4 (70fa9)

M6.0 Earthquake - Assam, India

Preliminary Report
Magnitude	6.0
Date-Time	28 Apr 2021 02:21:26 UTC 28 Apr 2021 07:51:26 near epicenter 28 Apr 2021 07:51:26 standard time in your timezone
Location	26.787N 92.420E
Depth	28 km
Distances	10.9 km (6.8 mi) NNW of Dhekiajuli, India 25.4 km (15.7 mi) WSW of Rang?p?ra, India 31.8 km (19.7 mi) E of Udalguri, India 35.8 km (22.2 mi) N of Dhing, India 91.0 km (56.4 mi) E of Samdrup Jongkhar, Bhutan
Location Uncertainty	Horizontal: 6.8 km; Vertical 4.5 km
Parameters	Nph = 135; Dmin = 146.3 km; Rmss = 0.78 seconds; Gp = 30° Version =
Event ID	us 7000dy3b

2021-04-27 19:30:37 (M5.0) southern Mid-Atlantic Ridge -38.1 -17.2 (70fa9)

M5.0 Earthquake - southern Mid-Atlantic Ridge

Preliminary Report
Magnitude	5.0
Date-Time	27 Apr 2021 19:30:38 UTC 27 Apr 2021 18:30:38 near epicenter 28 Apr 2021 01:00:38 standard time in your timezone
Location	38.111S 17.187W
Depth	10 km
Distances	445.8 km (276.4 mi) WSW of Edinburgh of the Seven Seas, Saint Helena 2900.0 km (1798.0 mi) ESE of Arraial do Cabo, Brazil 2904.8 km (1801.0 mi) ESE of Arma��o de B�zios, Brazil 2905.7 km (1801.5 mi) ESE of Cabo Frio, Brazil 2915.1 km (1807.3 mi) ESE of S�o Pedro da Aldeia, Brazil
Location Uncertainty	Horizontal: 11.2 km; Vertical 1.8 km
Parameters	Nph = 53; Dmin = 445.6 km; Rmss = 0.51 seconds; Gp = 76° Version =
Event ID	us 7000dy0g

27 April, 2021

2021-04-27 11:04:24 (M5.3) near the north coast of New Guinea, Papua New Guinea -3.4 145.7 (70fa9)

M5.3 Earthquake - near the north coast of New Guinea, Papua New Guinea

Preliminary Report
Magnitude	5.3
Date-Time	27 Apr 2021 11:04:24 UTC 27 Apr 2021 21:04:24 near epicenter 27 Apr 2021 16:34:24 standard time in your timezone
Location	3.409S 145.689E
Depth	10 km
Distances	194.2 km (120.4 mi) ENE of Angoram, Papua New Guinea 200.8 km (124.5 mi) N of Madang, Papua New Guinea 229.1 km (142.0 mi) E of Wewak, Papua New Guinea 297.8 km (184.7 mi) N of Goroka, Papua New Guinea 315.4 km (195.6 mi) NNE of Mount Hagen, Papua New Guinea
Location Uncertainty	Horizontal: 8.4 km; Vertical 1.9 km
Parameters	Nph = 83; Dmin = 239.6 km; Rmss = 0.81 seconds; Gp = 28° Version =
Event ID	us 7000dxu4

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey

Disclaimer

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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 'US6000e0lk' exclusion region, but was large enough to trigger notification.
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2021-04-27 10:40:50 (M5.4) near the north coast of New Guinea, Papua New Guinea -3.4 145.5 (70fa9)

M5.4 Earthquake - near the north coast of New Guinea, Papua New Guinea

Preliminary Report
Magnitude	5.4
Date-Time	27 Apr 2021 10:40:50 UTC 27 Apr 2021 20:40:50 near epicenter 27 Apr 2021 16:10:50 standard time in your timezone
Location	3.380S 145.542E
Depth	10 km
Distances	180.5 km (111.9 mi) ENE of Angoram, Papua New Guinea 205.4 km (127.4 mi) N of Madang, Papua New Guinea 213.1 km (132.1 mi) E of Wewak, Papua New Guinea 299.6 km (185.8 mi) N of Goroka, Papua New Guinea 310.2 km (192.3 mi) NNE of Mount Hagen, Papua New Guinea
Location Uncertainty	Horizontal: 3.7 km; Vertical 1.9 km
Parameters	Nph = 73; Dmin = 250.6 km; Rmss = 0.93 seconds; Gp = 43° Version =
Event ID	us 7000dxu1

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 'US7000dxsy' exclusion region, but was large enough to trigger notification.
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2021-04-27 08:03:50 (M5.1) near the north coast of New Guinea, Papua New Guinea -3.6 145.7 (70fa9)

M5.1 Earthquake - near the north coast of New Guinea, Papua New Guinea

Preliminary Report
Magnitude	5.1
Date-Time	27 Apr 2021 08:03:50 UTC 27 Apr 2021 18:03:50 near epicenter 27 Apr 2021 13:33:50 standard time in your timezone
Location	3.608S 145.707E
Depth	10 km
Distances	178.6 km (110.8 mi) N of Madang, Papua New Guinea 230.6 km (142.9 mi) E of Wewak, Papua New Guinea 276.2 km (171.2 mi) N of Goroka, Papua New Guinea 297.8 km (184.6 mi) NNE of Mount Hagen, Papua New Guinea 361.4 km (224.0 mi) NE of Mendi, Papua New Guinea
Location Uncertainty	Horizontal: 7.7 km; Vertical 1.8 km
Parameters	Nph = 55; Dmin = 252.7 km; Rmss = 1.50 seconds; Gp = 32° Version =
Event ID	us 7000dxsx

2021-04-27 08:05:31 (M5.9) near the north coast of New Guinea, Papua New Guinea -3.4 145.5 (70fa9)

M5.9 Earthquake - near the north coast of New Guinea, Papua New Guinea

Preliminary Report
Magnitude	5.9
Date-Time	27 Apr 2021 08:05:32 UTC 27 Apr 2021 18:05:32 near epicenter 27 Apr 2021 13:35:32 standard time in your timezone
Location	3.414S 145.491E
Depth	10 km
Distances	173.8 km (107.7 mi) ENE of Angoram, Papua New Guinea 202.6 km (125.6 mi) N of Madang, Papua New Guinea 207.1 km (128.4 mi) E of Wewak, Papua New Guinea 295.6 km (183.3 mi) N of Goroka, Papua New Guinea 304.3 km (188.6 mi) NNE of Mount Hagen, Papua New Guinea
Location Uncertainty	Horizontal: 4.2 km; Vertical 1.9 km
Parameters	Nph = 80; Dmin = 257.4 km; Rmss = 1.03 seconds; Gp = 31° Version =
Event ID	us 7000dxsy

2021-04-27 03:40:01 (M5.0) Rota region, Northern Mariana Islands 14.3 145.5 (70fa9)

M5.0 Earthquake - Rota region, Northern Mariana Islands

Preliminary Report
Magnitude	5.0
Date-Time	27 Apr 2021 03:40:02 UTC 27 Apr 2021 13:40:02 near epicenter 27 Apr 2021 09:10:02 standard time in your timezone
Location	14.286N 145.475E
Depth	105 km
Distances	77.1 km (47.8 mi) SSW of San Jose Village, Northern Mariana Islands 104.4 km (64.7 mi) NE of Yigo Village, Guam 106.8 km (66.2 mi) SSW of Saipan, Northern Mariana Islands 109.3 km (67.8 mi) NE of Dededo Village, Guam 115.9 km (71.8 mi) NE of Tamuning-Tumon-Harmon Village, Guam
Location Uncertainty	Horizontal: 8.6 km; Vertical 8.4 km
Parameters	Nph = 43; Dmin = 101.1 km; Rmss = 0.72 seconds; Gp = 108° Version =
Event ID	us 7000dxrc

2021-04-27 02:12:50 (M5.7) near the north coast of New Guinea, Papua New Guinea -3.4 145.5 (70fa9)

M5.7 Earthquake - near the north coast of New Guinea, Papua New Guinea

Preliminary Report
Magnitude	5.7
Date-Time	27 Apr 2021 02:12:50 UTC 27 Apr 2021 12:12:50 near epicenter 27 Apr 2021 07:42:50 standard time in your timezone
Location	3.403S 145.524E
Depth	10 km
Distances	177.6 km (110.1 mi) ENE of Angoram, Papua New Guinea 203.2 km (126.0 mi) N of Madang, Papua New Guinea 210.8 km (130.7 mi) E of Wewak, Papua New Guinea 297.0 km (184.1 mi) N of Goroka, Papua New Guinea 307.0 km (190.4 mi) NNE of Mount Hagen, Papua New Guinea
Location Uncertainty	Horizontal: 7.6 km; Vertical 1.9 km
Parameters	Nph = 50; Dmin = 253.8 km; Rmss = 0.98 seconds; Gp = 43° Version =
Event ID	us 7000dxqs

2021-04-27 00:00:02 (M5.0) South Shetland Islands -62.4 -58.4 (70fa9)

M5.0 Earthquake - South Shetland Islands

Preliminary Report
Magnitude	5.0
Date-Time	27 Apr 2021 00:00:02 UTC 26 Apr 2021 21:00:02 near epicenter 27 Apr 2021 05:30:02 standard time in your timezone
Location	62.358S 58.429W
Depth	10 km
Distances	1011.0 km (626.8 mi) SE of Tolhuin, Argentina 1016.1 km (630.0 mi) SE of Ushuaia, Argentina 1098.0 km (680.8 mi) SE of R�o Grande, Argentina 1261.4 km (782.0 mi) SE of Punta Arenas, Chile 1359.5 km (842.9 mi) SSE of R�o Gallegos, Argentina
Location Uncertainty	Horizontal: 5.9 km; Vertical 1.2 km
Parameters	Nph = 30; Dmin = 18.0 km; Rmss = 0.95 seconds; Gp = 94° Version =
Event ID	us 7000dxpk

2021-04-26 19:13:12 (M5.5) South Sandwich Islands region -56.1 -27.6 (70fa9)

M5.5 Earthquake - South Sandwich Islands region

Preliminary Report
Magnitude	5.5
Date-Time	26 Apr 2021 19:13:12 UTC 26 Apr 2021 17:13:12 near epicenter 27 Apr 2021 00:43:12 standard time in your timezone
Location	56.135S 27.553W
Depth	111 km
Distances	2407.7 km (1492.8 mi) SW of Edinburgh of the Seven Seas, Saint Helena 2544.3 km (1577.5 mi) ENE of Ushuaia, Argentina 2548.7 km (1580.2 mi) E of R�o Grande, Argentina 2741.9 km (1700.0 mi) E of R�o Gallegos, Argentina 2754.5 km (1707.8 mi) E of Puerto Deseado, Argentina
Location Uncertainty	Horizontal: 8.5 km; Vertical 6.5 km
Parameters	Nph = 65; Dmin = 605.2 km; Rmss = 0.91 seconds; Gp = 49° Version =
Event ID	us 7000dxkp

26 April, 2021

2021-04-25 23:50:34 (M5.3) Near the coast of southern Peru -15.6 -74.5 (70fa9)

M5.3 Earthquake - Near the coast of southern Peru

Preliminary Report
Magnitude	5.3
Date-Time	25 Apr 2021 23:50:35 UTC 25 Apr 2021 19:50:35 near epicenter 26 Apr 2021 05:20:35 standard time in your timezone
Location	15.584S 74.476W
Depth	35 km
Distances	23.1 km (14.3 mi) SE of Acar�, Peru 77.5 km (48.1 mi) ESE of San Juan, Peru 79.6 km (49.3 mi) ESE of Minas de Marcona, Peru 97.1 km (60.2 mi) SSE of Nazca, Peru 215.2 km (133.4 mi) SE of Ica, Peru
Location Uncertainty	Horizontal: 7.0 km; Vertical 2.0 km
Parameters	Nph = 48; Dmin = 472.6 km; Rmss = 0.83 seconds; Gp = 150° Version =
Event ID	us 6000e4sg

2021-04-25 22:28:00 (M6.4) Fiji region -21.7 -177.1 (70fa9)

M6.4 Earthquake - Fiji region

Preliminary Report
Magnitude	6.4
Date-Time	25 Apr 2021 22:28:00 UTC 26 Apr 2021 11:28:00 near epicenter 26 Apr 2021 03:58:00 standard time in your timezone
Location	21.686S 177.064W
Depth	234 km
Distances	200.8 km (124.5 mi) WSW of Haveluloto, Tonga 202.3 km (125.4 mi) WSW of Nuku�alofa, Tonga 222.5 km (137.9 mi) W of �Ohonua, Tonga 612.6 km (379.8 mi) SE of Suva, Fiji 692.3 km (429.2 mi) SSE of Labasa, Fiji
Location Uncertainty	Horizontal: 9.4 km; Vertical 5.7 km
Parameters	Nph = 121; Dmin = 672.0 km; Rmss = 1.36 seconds; Gp = 24° Version =
Event ID	us 6000e4rl

25 April, 2021

2021-04-25 01:52:47 (M5.0) Near the north coast of Papua, Indonesia -1.8 134.3 (70fa9)

M5.0 Earthquake - Near the north coast of Papua, Indonesia

Preliminary Report
Magnitude	5.0
Date-Time	25 Apr 2021 01:52:47 UTC 25 Apr 2021 10:52:47 near epicenter 25 Apr 2021 07:22:47 standard time in your timezone
Location	1.803S 134.343E
Depth	36 km
Distances	108.5 km (67.3 mi) SSE of Manokwari, Indonesia 215.0 km (133.3 mi) NW of Nabire, Indonesia 357.8 km (221.8 mi) ESE of Sorong, Indonesia 458.4 km (284.2 mi) NNE of Tual, Indonesia 626.5 km (388.4 mi) ENE of Amahai, Indonesia
Location Uncertainty	Horizontal: 10.2 km; Vertical 4.3 km
Parameters	Nph = 34; Dmin = 263.2 km; Rmss = 1.32 seconds; Gp = 125° Version =
Event ID	us 6000e4ig

24 April, 2021

2021-04-24 18:00:32 (M5.6) Owen Fracture Zone region 13.8 57.1 (70fa9)

M5.6 Earthquake - Owen Fracture Zone region

Preliminary Report
Magnitude	5.6
Date-Time	24 Apr 2021 18:00:33 UTC 24 Apr 2021 22:00:33 near epicenter 24 Apr 2021 23:30:33 standard time in your timezone
Location	13.801N 57.108E
Depth	10 km
Distances	358.2 km (222.1 mi) ENE of Hadibu, Yemen 480.9 km (298.2 mi) SE of ?al?lah, Oman 593.5 km (368.0 mi) ESE of Al Ghayz?ah, Yemen 690.6 km (428.2 mi) ENE of Bereeda, Somalia 827.1 km (512.8 mi) ENE of Qandala, Somalia
Location Uncertainty	Horizontal: 8.9 km; Vertical 1.8 km
Parameters	Nph = 164; Dmin = 1236.4 km; Rmss = 1.30 seconds; Gp = 35° Version =
Event ID	us 6000e4f6

2021-04-24 09:30:41 UPDATED: (M5.0) Rat Islands, Aleutian Islands, Alaska 52.0 178.5 (70fa9)

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

Preliminary Report
Magnitude	5.0
Date-Time	24 Apr 2021 09:30:42 UTC 23 Apr 2021 23:30:42 near epicenter 24 Apr 2021 15:00:42 standard time in your timezone
Location	52.004N 178.451E
Depth	110 km
Distances	338.2 km (209.7 mi) W of Adak, Alaska 1241.9 km (770.0 mi) ESE of Klyuchi, Russia 1344.6 km (833.6 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1361.8 km (844.3 mi) ESE of Vilyuchinsk, Russia 1361.8 km (844.3 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 7.5 km; Vertical 4.8 km
Parameters	Nph = 141; Dmin = 190.0 km; Rmss = 0.83 seconds; Gp = 83° Version =
Event ID	us 6000e4bf

2021-04-24 00:56:25 (M5.0) northern Mid-Atlantic Ridge 32.5 -40.2 (70fa9)

M5.0 Earthquake - northern Mid-Atlantic Ridge

Preliminary Report
Magnitude	5.0
Date-Time	24 Apr 2021 00:56:25 UTC 23 Apr 2021 21:56:25 near epicenter 24 Apr 2021 06:26:25 standard time in your timezone
Location	32.527N 40.206W
Depth	10 km
Distances	1112.9 km (690.0 mi) SW of Lajes das Flores, Portugal 1357.4 km (841.6 mi) WSW of Angra do Hero�smo, Portugal 1443.5 km (895.0 mi) WSW of Ponta Delgada, Portugal 1451.8 km (900.1 mi) WSW of Lagoa, Portugal 1974.8 km (1224.4 mi) SSE of Mount Pearl, Canada
Location Uncertainty	Horizontal: 10.4 km; Vertical 1.9 km
Parameters	Nph = 92; Dmin = 2350.3 km; Rmss = 0.61 seconds; Gp = 51° Version =
Event ID	us 6000e47p

2021-04-24 00:23:36 (M6.4) Fiji region -18.9 -176.2 (70fa9)

M6.4 Earthquake - Fiji region

Preliminary Report
Magnitude	6.4
Date-Time	24 Apr 2021 00:23:37 UTC 24 Apr 2021 13:23:37 near epicenter 24 Apr 2021 05:53:37 standard time in your timezone
Location	18.920S 176.235W
Depth	289 km
Distances	221.0 km (137.0 mi) WNW of Pangai, Tonga 268.4 km (166.4 mi) NNW of Nuku�alofa, Tonga 541.9 km (336.0 mi) ESE of Labasa, Fiji 568.6 km (352.5 mi) E of Suva, Fiji 662.2 km (410.5 mi) ESE of Ba, Fiji
Location Uncertainty	Horizontal: 9.0 km; Vertical 5.9 km
Parameters	Nph = 131; Dmin = 548.2 km; Rmss = 0.97 seconds; Gp = 22° Version =
Event ID	us 6000e47c

2021-04-23 23:11:55 (M5.1) Fiji region -20.5 -177.6 (70fa9)

M5.1 Earthquake - Fiji region

Preliminary Report
Magnitude	5.1
Date-Time	23 Apr 2021 23:11:56 UTC 24 Apr 2021 11:11:56 near epicenter 24 Apr 2021 04:41:56 standard time in your timezone
Location	20.497S 177.639W
Depth	498 km
Distances	262.7 km (162.9 mi) WNW of Haveluloto, Tonga 263.5 km (163.3 mi) WNW of Nuku�alofa, Tonga 294.6 km (182.7 mi) WNW of �Ohonua, Tonga 487.5 km (302.2 mi) ESE of Suva, Fiji 550.0 km (341.0 mi) SE of Labasa, Fiji
Location Uncertainty	Horizontal: 10.8 km; Vertical 7.4 km
Parameters	Nph = 104; Dmin = 545.7 km; Rmss = 0.84 seconds; Gp = 90° Version =
Event ID	us 6000e46r

2021-04-23 22:15:53 (M5.0) central Mid-Atlantic Ridge 7.9 -37.9 (70fa9)

M5.0 Earthquake - central Mid-Atlantic Ridge

Preliminary Report
Magnitude	5.0
Date-Time	23 Apr 2021 22:15:54 UTC 23 Apr 2021 19:15:54 near epicenter 24 Apr 2021 03:45:54 standard time in your timezone
Location	7.895N 37.921W
Depth	10 km
Distances	1216.8 km (754.4 mi) NNE of Acara�, Brazil 1235.8 km (766.2 mi) NNE of Bela Cruz, Brazil 1237.2 km (767.1 mi) NNE of Camocim, Brazil 1243.3 km (770.8 mi) NNE of Marco, Brazil 1285.9 km (797.3 mi) N of Fortaleza, Brazil
Location Uncertainty	Horizontal: 10.5 km; Vertical 1.9 km
Parameters	Nph = 75; Dmin = 1532.3 km; Rmss = 0.61 seconds; Gp = 91° Version =
Event ID	us 6000e467

2021-04-23 18:45:31 (M5.0) Mindanao, Philippines 5.2 126.5 (70fa9)

M5.0 Earthquake - Mindanao, Philippines

Preliminary Report
Magnitude	5.0
Date-Time	23 Apr 2021 18:45:31 UTC 24 Apr 2021 02:45:31 near epicenter 24 Apr 2021 00:15:31 standard time in your timezone
Location	5.177N 126.547E
Depth	48 km
Distances	122.7 km (76.1 mi) ESE of Sarangani, Philippines 129.6 km (80.4 mi) SE of Caburan, Philippines 164.6 km (102.1 mi) ESE of Malapatan, Philippines 165.2 km (102.4 mi) ESE of Glan, Philippines 233.8 km (145.0 mi) SSE of Davao, Philippines
Location Uncertainty	Horizontal: 7.4 km; Vertical 6.4 km
Parameters	Nph = 72; Dmin = 234.9 km; Rmss = 0.77 seconds; Gp = 103° Version =
Event ID	us 6000e43x

23 April, 2021

2021-04-23 14:56:48 (M5.0) South Shetland Islands -63.5 -63.2 (70fa9)

M5.0 Earthquake - South Shetland Islands

Preliminary Report
Magnitude	5.0
Date-Time	23 Apr 2021 14:56:49 UTC 23 Apr 2021 10:56:49 near epicenter 23 Apr 2021 20:26:49 standard time in your timezone
Location	63.485S 63.214W
Depth	10 km
Distances	1008.7 km (625.4 mi) SSE of Ushuaia, Argentina 1110.6 km (688.6 mi) SSE of R�o Grande, Argentina 1233.8 km (765.0 mi) SSE of Punta Arenas, Chile 1367.7 km (848.0 mi) SSE of R�o Gallegos, Argentina 1418.7 km (879.6 mi) SSE of Puerto Natales, Chile
Location Uncertainty	Horizontal: 5.1 km; Vertical 1.8 km
Parameters	Nph = 52; Dmin = 310.8 km; Rmss = 0.72 seconds; Gp = 61° Version =
Event ID	us 6000e40m

22 April, 2021

2021-04-22 00:17:14 (M5.5) Off the coast of Valparaiso, Chile -34.0 -72.3 (70fa9)

M5.5 Earthquake - Off the coast of Valparaiso, Chile

Preliminary Report
Magnitude	5.5
Date-Time	22 Apr 2021 00:17:15 UTC 21 Apr 2021 20:17:15 near epicenter 22 Apr 2021 05:47:15 standard time in your timezone
Location	33.990S 72.339W
Depth	7 km
Distances	80.7 km (50.0 mi) WSW of San Antonio, Chile 83.3 km (51.6 mi) SW of Cartagena, Chile 109.3 km (67.7 mi) WSW of Melipilla, Chile 114.9 km (71.3 mi) NW of Santa Cruz, Chile 124.7 km (77.3 mi) SSW of Valpara�so, Chile
Location Uncertainty	Horizontal: 3.8 km; Vertical 3.5 km
Parameters	Nph = 78; Dmin = 101.5 km; Rmss = 0.74 seconds; Gp = 55° Version =
Event ID	us 6000e3j6

21 April, 2021

2021-04-20 20:01:27 (M5.0) Mariana Islands region 17.6 147.4 (70fa9)

M5.0 Earthquake - Mariana Islands region

Preliminary Report
Magnitude	5.0
Date-Time	20 Apr 2021 20:01:27 UTC 21 Apr 2021 06:01:27 near epicenter 21 Apr 2021 01:31:27 standard time in your timezone
Location	17.575N 147.375E
Depth	10 km
Distances	313.5 km (194.4 mi) NE of Saipan, Northern Mariana Islands 344.1 km (213.3 mi) NNE of San Jose Village, Northern Mariana Islands 520.4 km (322.6 mi) NNE of Yigo Village, Guam 524.9 km (325.4 mi) NNE of Dededo Village, Guam 530.9 km (329.2 mi) NNE of Tamuning-Tumon-Harmon Village, Guam
Location Uncertainty	Horizontal: 10.5 km; Vertical 1.8 km
Parameters	Nph = 98; Dmin = 516.0 km; Rmss = 0.66 seconds; Gp = 58° Version =
Event ID	us 6000e3bd

20 April, 2021

2021-04-20 02:26:09 (M5.0) West Chile Rise -41.4 -83.5 (70fa9)

M5.0 Earthquake - West Chile Rise

Preliminary Report
Magnitude	5.0
Date-Time	20 Apr 2021 02:26:09 UTC 19 Apr 2021 21:26:09 near epicenter 20 Apr 2021 07:56:09 standard time in your timezone
Location	41.401S 83.550W
Depth	10 km
Distances	812.2 km (503.6 mi) W of Ancud, Chile 819.0 km (507.8 mi) WNW of Castro, Chile 820.5 km (508.7 mi) WNW of Chonchi, Chile 828.2 km (513.5 mi) W of Dalcahue, Chile 886.0 km (549.3 mi) W of Puerto Montt, Chile
Location Uncertainty	Horizontal: 12.3 km; Vertical 1.9 km
Parameters	Nph = 105; Dmin = 969.1 km; Rmss = 1.07 seconds; Gp = 176° Version =
Event ID	us 6000e31y

2021-04-19 23:58:22 (M6.0) Nias region, Indonesia 0.2 96.5 (70fa9)

M6.0 Earthquake - Nias region, Indonesia

Preliminary Report
Magnitude	6.0
Date-Time	19 Apr 2021 23:58:22 UTC 20 Apr 2021 05:58:22 near epicenter 20 Apr 2021 05:28:22 standard time in your timezone
Location	0.178N 96.540E
Depth	10 km
Distances	255.2 km (158.2 mi) S of Sinabang, Indonesia 271.4 km (168.3 mi) SSW of Singkil, Indonesia 303.4 km (188.1 mi) SW of Sibolga, Indonesia 331.7 km (205.7 mi) WSW of Padangsidempuan, Indonesia 442.5 km (274.3 mi) WNW of Padang, Indonesia
Location Uncertainty	Horizontal: 7.3 km; Vertical 1.8 km
Parameters	Nph = 147; Dmin = 169.4 km; Rmss = 0.93 seconds; Gp = 34° Version =
Event ID	us 6000e30x

19 April, 2021

2021-04-19 13:05:26 (M5.1) Off the coast of Valparaiso, Chile -34.0 -72.4 (70fa9)

M5.1 Earthquake - Off the coast of Valparaiso, Chile

Preliminary Report
Magnitude	5.1
Date-Time	19 Apr 2021 13:05:27 UTC 19 Apr 2021 09:05:27 near epicenter 19 Apr 2021 18:35:27 standard time in your timezone
Location	33.974S 72.357W
Depth	10 km
Distances	81.2 km (50.3 mi) WSW of San Antonio, Chile 83.6 km (51.9 mi) WSW of Cartagena, Chile 110.3 km (68.4 mi) WSW of Melipilla, Chile 117.3 km (72.7 mi) NW of Santa Cruz, Chile 124.1 km (76.9 mi) SSW of Valpara�so, Chile
Location Uncertainty	Horizontal: 3.8 km; Vertical 1.8 km
Parameters	Nph = 63; Dmin = 103.0 km; Rmss = 0.56 seconds; Gp = 137° Version =
Event ID	us 6000e2vk

2021-04-19 11:13:28 (M5.3) Off the coast of Valparaiso, Chile -34.0 -72.4 (70fa9)

M5.3 Earthquake - Off the coast of Valparaiso, Chile

Preliminary Report
Magnitude	5.3
Date-Time	19 Apr 2021 11:13:28 UTC 19 Apr 2021 07:13:28 near epicenter 19 Apr 2021 16:43:28 standard time in your timezone
Location	33.972S 72.359W
Depth	10 km
Distances	81.2 km (50.3 mi) WSW of San Antonio, Chile 83.6 km (51.8 mi) WSW of Cartagena, Chile 110.4 km (68.4 mi) WSW of Melipilla, Chile 117.6 km (72.9 mi) NW of Santa Cruz, Chile 123.9 km (76.8 mi) SSW of Valpara�so, Chile
Location Uncertainty	Horizontal: 4.2 km; Vertical 1.8 km
Parameters	Nph = 70; Dmin = 103.1 km; Rmss = 0.77 seconds; Gp = 78° Version =
Event ID	us 6000e2uw

2021-04-19 07:07:37 (M5.1) Kepulauan Barat Daya, Indonesia -7.8 127.7 (70fa9)

M5.1 Earthquake - Kepulauan Barat Daya, Indonesia

Preliminary Report
Magnitude	5.1
Date-Time	19 Apr 2021 07:07:37 UTC 19 Apr 2021 16:07:37 near epicenter 19 Apr 2021 12:37:37 standard time in your timezone
Location	7.799S 127.722E
Depth	84 km
Distances	112.9 km (70.0 mi) NE of Lospalos, Timor Leste 158.3 km (98.1 mi) ENE of Baukau, Timor Leste 175.0 km (108.5 mi) ENE of Venilale, Timor Leste 251.2 km (155.7 mi) ENE of Dili, Timor Leste 258.7 km (160.4 mi) ENE of Aileu, Timor Leste
Location Uncertainty	Horizontal: 7.7 km; Vertical 6.6 km
Parameters	Nph = 89; Dmin = 394.5 km; Rmss = 1.49 seconds; Gp = 42° Version =
Event ID	us 6000e2tm

2021-04-19 04:11:26 (M5.2) Off the coast of Valparaiso, Chile -34.0 -72.4 (70fa9)

M5.2 Earthquake - Off the coast of Valparaiso, Chile

Preliminary Report
Magnitude	5.2
Date-Time	19 Apr 2021 04:11:27 UTC 19 Apr 2021 00:11:27 near epicenter 19 Apr 2021 09:41:27 standard time in your timezone
Location	33.974S 72.414W
Depth	11 km
Distances	85.8 km (53.2 mi) WSW of San Antonio, Chile 88.1 km (54.6 mi) WSW of Cartagena, Chile 115.4 km (71.6 mi) WSW of Melipilla, Chile 121.5 km (75.3 mi) NW of Santa Cruz, Chile 127.0 km (78.8 mi) SW of Valpara�so, Chile
Location Uncertainty	Horizontal: 3.6 km; Vertical 3.6 km
Parameters	Nph = 70; Dmin = 108.2 km; Rmss = 0.62 seconds; Gp = 79° Version =
Event ID	us 6000e2sp

2021-04-19 03:18:57 (M5.2) Off the coast of Valparaiso, Chile -34.0 -72.4 (70fa9)

M5.2 Earthquake - Off the coast of Valparaiso, Chile

Preliminary Report
Magnitude	5.2
Date-Time	19 Apr 2021 03:18:57 UTC 18 Apr 2021 23:18:57 near epicenter 19 Apr 2021 08:48:57 standard time in your timezone
Location	33.972S 72.436W
Depth	10 km
Distances	87.4 km (54.2 mi) WSW of San Antonio, Chile 89.7 km (55.6 mi) WSW of Cartagena, Chile 117.3 km (72.7 mi) WSW of Melipilla, Chile 123.2 km (76.4 mi) NW of Santa Cruz, Chile 128.1 km (79.4 mi) SW of Valpara�so, Chile
Location Uncertainty	Horizontal: 3.4 km; Vertical 3.6 km
Parameters	Nph = 96; Dmin = 110.2 km; Rmss = 0.85 seconds; Gp = 79° Version =
Event ID	us 6000e2s5

18 April, 2021

2021-04-18 14:14:37 (M5.9) Taiwan 23.9 121.5 (70fa9)

M5.9 Earthquake - Taiwan

Preliminary Report
Magnitude	5.9
Date-Time	18 Apr 2021 14:14:37 UTC 18 Apr 2021 22:14:37 near epicenter 18 Apr 2021 19:44:37 standard time in your timezone
Location	23.896N 121.504E
Depth	10 km
Distances	13.6 km (8.4 mi) SW of Hualien City, Taiwan 55.0 km (34.1 mi) E of Puli, Taiwan 78.4 km (48.6 mi) ENE of Lugu, Taiwan 83.7 km (51.9 mi) E of Zhongxing New Village, Taiwan 85.6 km (53.1 mi) E of Nantou, Taiwan
Location Uncertainty	Horizontal: 4.1 km; Vertical 1.9 km
Parameters	Nph = 59; Dmin = 32.0 km; Rmss = 0.86 seconds; Gp = 42° Version =
Event ID	us 6000e2mv

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