2025-04-04 22:02:13 (M5.2) New Britain region, Papua New Guinea -6.2 151.7 (70fa9)

M5.2 Earthquake - New Britain region, Papua New Guinea

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 4 Apr 2025 22:02:13 Time near the Epicenter (1): 5 Apr 2025 09:02:13 Time in your area (1): 5 Apr 2025 03:32:13
Location	6.162S 151.699E
Depth	10 km
Distances	185.7 km (115.1 mi) ESE of Kimbe, Papua New Guinea 210.8 km (130.7 mi) SSW of Kokopo, Papua New Guinea 409.4 km (253.8 mi) SSE of Kavieng, Papua New Guinea 428.0 km (265.4 mi) W of Arawa, Papua New Guinea 478.8 km (296.9 mi) NE of Popondetta, Papua New Guinea
Location Uncertainty	Horizontal: 9.3 km; Vertical 1.8 km
Parameters	Nph = 69; Dmin = 223.7 km; Rmss = 0.64 seconds; Gp = 37° Version =
Event ID	us 6000q446

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2025-04-04 20:39:35 (M5.3) New Britain region, Papua New Guinea -6.3 151.4 (70fa9)

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

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 4 Apr 2025 20:39:35 Time near the Epicenter (1): 5 Apr 2025 07:39:35 Time in your area (1): 5 Apr 2025 02:09:35
Location	6.279S 151.434E
Depth	10 km
Distances	164.6 km (102.1 mi) ESE of Kimbe, Papua New Guinea 233.2 km (144.6 mi) SSW of Kokopo, Papua New Guinea 415.8 km (257.8 mi) S of Kavieng, Papua New Guinea 447.8 km (277.6 mi) NE of Popondetta, Papua New Guinea 457.2 km (283.5 mi) W of Arawa, Papua New Guinea
Location Uncertainty	Horizontal: 4.3 km; Vertical 1.9 km
Parameters	Nph = 52; Dmin = 244.3 km; Rmss = 0.99 seconds; Gp = 59° Version =
Event ID	us 6000q42k

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2025-04-04 20:04:38 (M6.9) New Britain region, Papua New Guinea -6.2 151.8 (70fa9)

M6.9 Earthquake - New Britain region, Papua New Guinea

Preliminary Report

Magnitude	6.9
Date-Time	Universal Time (UTC): 4 Apr 2025 20:04:39 Time near the Epicenter (1): 5 Apr 2025 07:04:39 Time in your area (1): 5 Apr 2025 01:34:39
Location	6.205S 151.764E
Depth	10 km
Distances	194.1 km (120.3 mi) ESE of Kimbe, Papua New Guinea 213.4 km (132.3 mi) SSW of Kokopo, Papua New Guinea 415.8 km (257.8 mi) SSE of Kavieng, Papua New Guinea 420.8 km (260.9 mi) W of Arawa, Papua New Guinea 476.8 km (295.6 mi) NNE of Alotau, Papua New Guinea
Location Uncertainty	Horizontal: 6.8 km; Vertical 1.8 km
Parameters	Nph = 94; Dmin = 226.9 km; Rmss = 1.12 seconds; Gp = 42° Version =
Event ID	us 6000q41n

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2025-04-04 10:51:48 (M5.2) eastern New Guinea region, Papua New Guinea -5.7 145.7 (70fa9)

M5.2 Earthquake - eastern New Guinea region, Papua New Guinea

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 4 Apr 2025 10:51:49 Time near the Epicenter (1): 4 Apr 2025 21:51:49 Time in your area (1): 4 Apr 2025 16:21:49
Location	5.698S 145.710E
Depth	115 km
Distances	53.4 km (33.1 mi) S of Madang, Papua New Guinea 55.8 km (34.6 mi) NE of Goroka, Papua New Guinea 164.9 km (102.2 mi) E of Mount Hagen, Papua New Guinea 181.9 km (112.8 mi) NW of Lae, Papua New Guinea 195.7 km (121.3 mi) NNW of Bulolo, Papua New Guinea
Location Uncertainty	Horizontal: 8.2 km; Vertical 6.8 km
Parameters	Nph = 88; Dmin = 443.5 km; Rmss = 0.73 seconds; Gp = 27° Version =
Event ID	us 6000q3wx

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2025-04-04 08:01:06 UPDATED: (M5.7) Tonga -15.5 -174.5 (70fa9)

M5.7 Earthquake - Tonga

Preliminary Report

Magnitude	5.7
Date-Time	Universal Time (UTC): 4 Apr 2025 08:01:06 Time near the Epicenter (1): 4 Apr 2025 21:01:06 Time in your area (1): 4 Apr 2025 13:31:06
Location	15.512S 174.542W
Depth	191 km
Distances	93.8 km (58.1 mi) WNW of Hihifo, Tonga 351.9 km (218.2 mi) WSW of Apia, Samoa 435.1 km (269.8 mi) WSW of Pago Pago, American Samoa 626.5 km (388.4 mi) N of Nuku'alofa, Tonga 660.2 km (409.3 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 9.9 km; Vertical 6.5 km
Parameters	Nph = 78; Dmin = 345.8 km; Rmss = 0.76 seconds; Gp = 29° Version =
Event ID	us 6000q3w4

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2025-04-03 21:11:55 (M5.1) Kermadec Islands region -28.4 -177.9 (70fa9)

M5.1 Earthquake - Kermadec Islands region

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 3 Apr 2025 21:11:55 Time near the Epicenter (1): 4 Apr 2025 10:11:55 Time in your area (1): 4 Apr 2025 02:41:55
Location	28.433S 177.877W
Depth	10 km
Distances	839.1 km (520.2 mi) SSW of 'Ohonua, Tonga 852.3 km (528.4 mi) SSW of Nuku'alofa, Tonga 1093.3 km (677.8 mi) NE of Whangarei, New Zealand 1139.4 km (706.4 mi) NE of Orewa, New Zealand 1150.3 km (713.2 mi) NE of Browns Bay, New Zealand
Location Uncertainty	Horizontal: 8.6 km; Vertical 1.8 km
Parameters	Nph = 50; Dmin = 90.1 km; Rmss = 1.10 seconds; Gp = 69° Version =
Event ID	us 6000q3ti

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2025-04-03 20:58:02 (M5.0) Chile-Bolivia border region -22.0 -68.6 (70fa9)

M5.0 Earthquake - Chile-Bolivia border region

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 3 Apr 2025 20:58:02 Time near the Epicenter (1): 3 Apr 2025 16:58:02 Time in your area (1): 4 Apr 2025 02:28:02
Location	21.991S 68.634W
Depth	110 km
Distances	59.6 km (37.0 mi) NNE of Calama, Chile 161.9 km (100.4 mi) E of Tocopilla, Chile 223.3 km (138.5 mi) ENE of Mejillones, Chile 244.4 km (151.5 mi) SE of Alto Hospicio, Chile 252.1 km (156.3 mi) SE of Iquique, Chile
Location Uncertainty	Horizontal: 5.1 km; Vertical 4.9 km
Parameters	Nph = 85; Dmin = 66.4 km; Rmss = 0.90 seconds; Gp = 38° Version =
Event ID	us 6000q3t7

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2025-04-03 18:42:57 (M5.1) Rota region, Northern Mariana Islands 14.3 146.8 (70fa9)

M5.1 Earthquake - Rota region, Northern Mariana Islands

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 3 Apr 2025 18:42:58 Time near the Epicenter (1): 4 Apr 2025 05:42:58 Time in your area (1): 4 Apr 2025 00:12:58
Location	14.281N 146.812E
Depth	10 km
Distances	149.2 km (92.5 mi) ESE of San Jose Village, Northern Mariana Islands 153.6 km (95.2 mi) SE of Saipan, Northern Mariana Islands 223.6 km (138.6 mi) ENE of Yigo Village, Guam 229.3 km (142.2 mi) ENE of Dededo Village, Guam 236.1 km (146.4 mi) ENE of Mangilao Village, Guam
Location Uncertainty	Horizontal: 7.5 km; Vertical 1.9 km
Parameters	Nph = 82; Dmin = 152.1 km; Rmss = 0.81 seconds; Gp = 90° Version =
Event ID	us 6000q3sh

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2025-04-03 16:05:18 (M5.4) Reykjanes Ridge 52.7 -35.0 (70fa9)

M5.4 Earthquake - Reykjanes Ridge

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 3 Apr 2025 16:05:19 Time near the Epicenter (1): 3 Apr 2025 14:05:19 Time in your area (1): 3 Apr 2025 21:35:19
Location	52.739N 34.970W
Depth	10 km
Distances	1037.1 km (643.0 mi) SSE of Nanortalik, Greenland 1114.2 km (690.8 mi) SSE of Qaqortoq, Greenland 1387.5 km (860.3 mi) ENE of St. John's, Canada 1394.9 km (864.9 mi) ENE of Mount Pearl, Canada 1409.9 km (874.1 mi) ENE of Conception Bay South, Canada
Location Uncertainty	Horizontal: 9.8 km; Vertical 1.8 km
Parameters	Nph = 185; Dmin = 1385.0 km; Rmss = 0.98 seconds; Gp = 48° Version =
Event ID	us 6000q3qi

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2025-04-03 14:09:29 (M6.8) Reykjanes Ridge 52.5 -32.1 (70fa9)

M6.8 Earthquake - Reykjanes Ridge

Preliminary Report

Magnitude	6.8
Date-Time	Universal Time (UTC): 3 Apr 2025 14:09:30 Time near the Epicenter (1): 3 Apr 2025 12:09:30 Time in your area (1): 3 Apr 2025 19:39:30
Location	52.492N 32.098W
Depth	10 km
Distances	1173.6 km (727.6 mi) SE of Nanortalik, Greenland 1248.8 km (774.2 mi) SE of Qaqortoq, Greenland 1395.1 km (865.0 mi) SSW of Reykjanesbær, Iceland 1395.8 km (865.4 mi) SSW of Keflavík, Iceland 1416.4 km (878.2 mi) SSW of Hafnarfjörður, Iceland
Location Uncertainty	Horizontal: 8.4 km; Vertical 1.9 km
Parameters	Nph = 133; Dmin = 1258.9 km; Rmss = 0.58 seconds; Gp = 33° Version =
Event ID	us 6000q3nw

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2025-04-03 04:18:19 UPDATED: (M5.6) Balleny Islands region -65.1 178.6 (70fa9)

M5.6 Earthquake - Balleny Islands region

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 3 Apr 2025 04:18:19 Time near the Epicenter (1): 3 Apr 2025 17:18:19 Time in your area (1): 3 Apr 2025 09:48:19
Location	65.071S 178.627E
Depth	10 km
Distances	2134.1 km (1323.1 mi) SSE of Papatowai, New Zealand 2170.1 km (1345.4 mi) SSE of Invercargill, New Zealand 2192.3 km (1359.2 mi) SSE of Gore, New Zealand 2193.8 km (1360.2 mi) SSE of Dunedin, New Zealand 2272.7 km (1409.1 mi) SSE of Oamaru, New Zealand
Location Uncertainty	Horizontal: 12.3 km; Vertical 1.8 km
Parameters	Nph = 74; Dmin = 1482.4 km; Rmss = 1.52 seconds; Gp = 35° Version =
Event ID	us 6000q3l2 ***This event has been revised.

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2025-04-03 04:18:18 (M5.3) Balleny Islands region -65.2 179.1 (70fa9)

M5.3 Earthquake - Balleny Islands region

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 3 Apr 2025 04:18:18 Time near the Epicenter (1): 3 Apr 2025 17:18:18 Time in your area (1): 3 Apr 2025 09:48:18
Location	65.237S 179.095E
Depth	10 km
Distances	2159.0 km (1338.6 mi) SSE of Papatowai, New Zealand 2195.5 km (1361.2 mi) SSE of Invercargill, New Zealand 2217.4 km (1374.8 mi) SSE of Gore, New Zealand 2218.0 km (1375.2 mi) SSE of Dunedin, New Zealand 2296.6 km (1423.9 mi) SSE of Oamaru, New Zealand
Location Uncertainty	Horizontal: 12.9 km; Vertical 1.9 km
Parameters	Nph = 48; Dmin = 1468.5 km; Rmss = 0.80 seconds; Gp = 116° Version =
Event ID	us 6000q3l2

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2025-04-02 21:03:39 (M5.9) Molucca Sea 2.1 126.8 (70fa9)

M5.9 Earthquake - Molucca Sea

Preliminary Report

Magnitude	5.9
Date-Time	Universal Time (UTC): 2 Apr 2025 21:03:39 Time near the Epicenter (1): 3 Apr 2025 06:03:39 Time in your area (1): 3 Apr 2025 02:33:39
Location	2.117N 126.759E
Depth	36 km
Distances	145.6 km (90.3 mi) WNW of Tobelo, Indonesia 162.3 km (100.6 mi) NNW of Ternate, Indonesia 176.6 km (109.5 mi) NNW of Sofifi, Indonesia 196.2 km (121.7 mi) ENE of Bitung, Indonesia 223.8 km (138.8 mi) ENE of Manado, Indonesia
Location Uncertainty	Horizontal: 5.7 km; Vertical 6.6 km
Parameters	Nph = 92; Dmin = 163.2 km; Rmss = 1.54 seconds; Gp = 26° Version =
Event ID	us 6000q3iu

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2025-04-02 16:27:12 (M5.0) near the south coast of Burma (Myanmar) 15.5 95.6 (70fa9)

M5.0 Earthquake - near the south coast of Burma (Myanmar)

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 2 Apr 2025 16:27:12 Time near the Epicenter (1): 2 Apr 2025 22:27:12 Time in your area (1): 2 Apr 2025 21:57:12
Location	15.509N 95.637E
Depth	10 km
Distances	86.1 km (53.4 mi) S of Pyapon, Burma (Myanmar) 90.6 km (56.2 mi) SSE of Bogale, Burma (Myanmar) 104.0 km (64.5 mi) S of Kyaiklat, Burma (Myanmar) 104.1 km (64.5 mi) SSE of Mawlamyinegyunn, Burma (Myanmar) 153.8 km (95.4 mi) SSW of Yangon, Burma (Myanmar)
Location Uncertainty	Horizontal: 7.3 km; Vertical 1.8 km
Parameters	Nph = 101; Dmin = 479.6 km; Rmss = 0.67 seconds; Gp = 64° Version =
Event ID	us 7000ppgb

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2025-04-02 16:26:35 UPDATED: (M5.5) Near Islands, Aleutian Islands, Alaska 53.3 172.8 (70fa9)

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

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 2 Apr 2025 16:26:35 Time near the Epicenter (1): 2 Apr 2025 06:26:35 Time in your area (1): 2 Apr 2025 21:56:35
Location	53.334N 172.810E
Depth	11 km
Distances	59.8 km (37.1 mi) NNW of Attu Station, Alaska 836.3 km (518.5 mi) ESE of Klyuchi, Russia 946.7 km (587.0 mi) E of Petropavlovsk-Kamchatsky, Russia 961.3 km (596.0 mi) E of Yelizovo, Russia 963.6 km (597.4 mi) E of Vilyuchinsk, Russia
Location Uncertainty	Horizontal: 9.1 km; Vertical 4.2 km
Parameters	Nph = 176; Dmin = 109.8 km; Rmss = 0.73 seconds; Gp = 53° Version =
Event ID	us 7000ppga

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2025-04-02 14:03:57 (M6.2) Kyushu, Japan 31.0 131.5 (70fa9)

M6.2 Earthquake - Kyushu, Japan

Preliminary Report

Magnitude	6.2
Date-Time	Universal Time (UTC): 2 Apr 2025 14:03:57 Time near the Epicenter (1): 2 Apr 2025 23:03:57 Time in your area (1): 2 Apr 2025 19:33:57
Location	31.002N 131.472E
Depth	25 km
Distances	54.1 km (33.5 mi) ENE of Nishinoomote, Japan 58.0 km (36.0 mi) SSE of Kushima, Japan 63.4 km (39.3 mi) SE of Shibushi, Japan 63.6 km (39.4 mi) SE of Ōsaki, Japan 101.6 km (63.0 mi) S of Miyazaki, Japan
Location Uncertainty	Horizontal: 4.6 km; Vertical 4.4 km
Parameters	Nph = 183; Dmin = 112.2 km; Rmss = 0.70 seconds; Gp = 65° Version =
Event ID	us 7000ppfy

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2025-04-02 13:24:44 (M5.2) central Mid-Atlantic Ridge 0.7 -29.6 (70fa9)

M5.2 Earthquake - central Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 2 Apr 2025 13:24:45 Time near the Epicenter (1): 2 Apr 2025 11:24:45 Time in your area (1): 2 Apr 2025 18:54:45
Location	0.675N 29.634W
Depth	10 km
Distances	587.2 km (364.0 mi) NNE of Fernando de Noronha (Distrito Estadual), Brazil 931.4 km (577.4 mi) NE of São Miguel, Brazil 946.3 km (586.7 mi) NE of Extremoz, Brazil 946.6 km (586.9 mi) NE of Natal, Brazil 949.4 km (588.6 mi) NE of Ceará Mirim, Brazil
Location Uncertainty	Horizontal: 10.7 km; Vertical 1.9 km
Parameters	Nph = 112; Dmin = 1000.0 km; Rmss = 0.55 seconds; Gp = 86° Version =
Event ID	us 7000ppfs

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2025-04-02 00:29:22 (M6.4) Pacific-Antarctic Ridge -57.1 -142.3 (70fa9)

M6.4 Earthquake - Pacific-Antarctic Ridge

Preliminary Report

Magnitude	6.4
Date-Time	Universal Time (UTC): 2 Apr 2025 00:29:23 Time near the Epicenter (1): 1 Apr 2025 15:29:23 Time in your area (1): 2 Apr 2025 05:59:23
Location	57.053S 142.251W
Depth	10 km
Distances	2793.3 km (1731.8 mi) ESE of Waitangi, New Zealand 3428.7 km (2125.8 mi) E of Dunedin, New Zealand 3454.8 km (2141.9 mi) E of Oamaru, New Zealand 3467.4 km (2149.8 mi) E of Christchurch, New Zealand 3468.0 km (2150.2 mi) E of Parklands, New Zealand
Location Uncertainty	Horizontal: 11.8 km; Vertical 1.7 km
Parameters	Nph = 101; Dmin = 2815.9 km; Rmss = 0.64 seconds; Gp = 55° Version =
Event ID	us 7000ppd9

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2025-04-01 23:59:52 (M5.0) Ryukyu Islands, Japan 25.9 128.5 (70fa9)

M5.0 Earthquake - Ryukyu Islands, Japan

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 1 Apr 2025 23:59:53 Time near the Epicenter (1): 2 Apr 2025 08:59:53 Time in your area (1): 2 Apr 2025 05:29:53
Location	25.947N 128.526E
Depth	10 km
Distances	77.9 km (48.3 mi) ESE of Katsuren-haebaru, Japan 80.1 km (49.7 mi) SE of Gushikawa, Japan 82.4 km (51.1 mi) ESE of Yonabaru, Japan 82.6 km (51.2 mi) SE of Kin, Japan 89.7 km (55.6 mi) ESE of Naha, Japan
Location Uncertainty	Horizontal: 6.5 km; Vertical 1.9 km
Parameters	Nph = 54; Dmin = 101.6 km; Rmss = 0.91 seconds; Gp = 65° Version =
Event ID	us 7000ppcu

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2025-04-01 16:54:52 (M5.2) Iceland region 64.0 -22.3 (70fa9)

M5.2 Earthquake - Iceland region

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 1 Apr 2025 16:54:53 Time near the Epicenter (1): 1 Apr 2025 17:54:53 Time in your area (1): 1 Apr 2025 22:24:53
Location	63.966N 22.260W
Depth	10 km
Distances	6.3 km (3.9 mi) ESE of Vogar, Iceland 15.2 km (9.4 mi) ESE of Reykjanesbær, Iceland 15.4 km (9.6 mi) ESE of Keflavík, Iceland 19.3 km (12.0 mi) SW of Hafnarfjörður, Iceland 21.4 km (13.3 mi) SW of Garðabær, Iceland
Location Uncertainty	Horizontal: 7.6 km; Vertical 1.9 km
Parameters	Nph = 111; Dmin = 98.2 km; Rmss = 0.64 seconds; Gp = 46° Version =
Event ID	us 7000ppa0

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2025-04-01 13:59:40 (M5.0) south of the Fiji Islands -25.3 178.3 (70fa9)

M5.0 Earthquake - south of the Fiji Islands

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 1 Apr 2025 13:59:41 Time near the Epicenter (1): 2 Apr 2025 02:59:41 Time in your area (1): 1 Apr 2025 19:29:41
Location	25.277S 178.291E
Depth	604 km
Distances	790.7 km (490.3 mi) S of Suva, Fiji 794.1 km (492.3 mi) S of Sigatoka, Fiji 798.3 km (494.9 mi) S of Nasinu, Fiji 805.4 km (499.3 mi) S of Levuka, Fiji 808.5 km (501.3 mi) WSW of Nuku'alofa, Tonga
Location Uncertainty	Horizontal: 11.9 km; Vertical 9.1 km
Parameters	Nph = 101; Dmin = 577.1 km; Rmss = 1.01 seconds; Gp = 77° Version =
Event ID	us 7000pp8j

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2025-04-01 10:15:54 (M5.7) Kepulauan Barat Daya, Indonesia -7.6 128.6 (70fa9)

M5.7 Earthquake - Kepulauan Barat Daya, Indonesia

Preliminary Report

Magnitude	5.7
Date-Time	Universal Time (UTC): 1 Apr 2025 10:15:55 Time near the Epicenter (1): 1 Apr 2025 19:15:55 Time in your area (1): 1 Apr 2025 15:45:55
Location	7.586S 128.606E
Depth	141 km
Distances	205.2 km (127.2 mi) ENE of Lospalos, Timor Leste 256.6 km (159.1 mi) ENE of Baukau, Timor Leste 271.9 km (168.6 mi) ENE of Venilale, Timor Leste 351.1 km (217.7 mi) ENE of Dili, Timor Leste 358.0 km (222.0 mi) ENE of Aileu, Timor Leste
Location Uncertainty	Horizontal: 6.5 km; Vertical 7.3 km
Parameters	Nph = 85; Dmin = 367.6 km; Rmss = 0.74 seconds; Gp = 39° Version =
Event ID	us 7000pp7n

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2025-04-01 06:05:39 (M5.1) southern Mid-Atlantic Ridge -46.1 -14.2 (70fa9)

M5.1 Earthquake - southern Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 1 Apr 2025 06:05:40 Time near the Epicenter (1): 1 Apr 2025 05:05:40 Time in your area (1): 1 Apr 2025 11:35:40
Location	46.060S 14.171W
Depth	10 km
Distances	1010.7 km (626.6 mi) S of Edinburgh of the Seven Seas, Saint Helena 3059.3 km (1896.7 mi) WSW of Retreat, South Africa 3063.3 km (1899.2 mi) WSW of Claremont, South Africa 3063.7 km (1899.5 mi) WSW of Cape Town, South Africa 3065.2 km (1900.4 mi) WSW of Rondebosch, South Africa
Location Uncertainty	Horizontal: 11.0 km; Vertical 1.9 km
Parameters	Nph = 51; Dmin = 1010.9 km; Rmss = 0.95 seconds; Gp = 71° Version =
Event ID	us 7000pp6u

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2025-04-01 04:04:36 (M5.2) Alaska Peninsula 58.1 -156.3 (70fa9)

M5.2 Earthquake - Alaska Peninsula

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 1 Apr 2025 04:04:37 Time near the Epicenter (1): 31 Mar 2025 20:04:37 Time in your area (1): 1 Apr 2025 09:34:37
Location	58.095N 156.341W
Depth	10 km
Distances	62.4 km (38.7 mi) ESE of Egegik, Alaska 502.5 km (311.5 mi) SW of Anchorage, Alaska 523.5 km (324.6 mi) SW of Eagle River, Alaska 536.3 km (332.5 mi) SW of Knik-Fairview, Alaska 1237.8 km (767.4 mi) WSW of Whitehorse, Canada
Location Uncertainty	Horizontal: 0.0 km; Vertical 0.3 km
Parameters	Nph = 44; Dmin = 0.0 km; Rmss = 0.32 seconds; Gp = 0° Version = 1
Event ID	ak 02546kb91j

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Alaska Earthquake Center
Geophysical Institute, University of Alaska Fairbanks

https://earthquake.alaska.edu

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2025-04-01 02:16:18 (M5.0) Sumbawa region, Indonesia -8.3 117.8 (70fa9)

M5.0 Earthquake - Sumbawa region, Indonesia

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 1 Apr 2025 02:16:18 Time near the Epicenter (1): 1 Apr 2025 10:16:18 Time in your area (1): 1 Apr 2025 07:46:18
Location	8.282S 117.767E
Depth	17 km
Distances	34.6 km (21.5 mi) ENE of Pototano, Indonesia 44.8 km (27.8 mi) ENE of Sumbawa Besar, Indonesia 81.7 km (50.7 mi) WNW of Dompu, Indonesia 107.5 km (66.7 mi) W of Bima, Indonesia 184.8 km (114.6 mi) E of Mataram, Indonesia
Location Uncertainty	Horizontal: 4.2 km; Vertical 4.7 km
Parameters	Nph = 55; Dmin = 60.3 km; Rmss = 0.76 seconds; Gp = 70° Version =
Event ID	us 7000pp5t

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2025-03-31 22:35:30 (M5.0) south of the Fiji Islands -23.3 179.8 (70fa9)

M5.0 Earthquake - south of the Fiji Islands

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 31 Mar 2025 22:35:30 Time near the Epicenter (1): 1 Apr 2025 11:35:30 Time in your area (1): 1 Apr 2025 04:05:30
Location	23.255S 179.784E
Depth	539 km
Distances	556.7 km (345.2 mi) WSW of Houma, Tonga 567.8 km (352.0 mi) WSW of Nuku'alofa, Tonga 576.4 km (357.4 mi) S of Levuka, Fiji 584.0 km (362.1 mi) SSE of Suva, Fiji 589.0 km (365.2 mi) SSE of Nasinu, Fiji
Location Uncertainty	Horizontal: 11.3 km; Vertical 9.7 km
Parameters	Nph = 67; Dmin = 635.7 km; Rmss = 0.81 seconds; Gp = 57° Version =
Event ID	us 7000pp55

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2025-03-31 15:54:19 (M5.6) Sumba region, Indonesia -10.1 119.0 (70fa9)

M5.6 Earthquake - Sumba region, Indonesia

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 31 Mar 2025 15:54:19 Time near the Epicenter (1): 31 Mar 2025 23:54:19 Time in your area (1): 31 Mar 2025 21:24:19
Location	10.053S 119.035E
Depth	28 km
Distances	72.6 km (45.0 mi) SSW of Tambolaka, Indonesia 141.7 km (87.9 mi) WSW of Waingapu, Indonesia 179.1 km (111.0 mi) SSE of Dompu, Indonesia 179.4 km (111.2 mi) S of Bima, Indonesia 359.4 km (222.9 mi) ESE of Mataram, Indonesia
Location Uncertainty	Horizontal: 7.1 km; Vertical 5.0 km
Parameters	Nph = 108; Dmin = 144.7 km; Rmss = 0.92 seconds; Gp = 25° Version =
Event ID	us 7000pp13

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2025-03-31 13:36:16 (M5.2) central Mid-Atlantic Ridge 0.7 -29.7 (70fa9)

M5.2 Earthquake - central Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 31 Mar 2025 13:36:16 Time near the Epicenter (1): 31 Mar 2025 11:36:16 Time in your area (1): 31 Mar 2025 19:06:16
Location	0.653N 29.670W
Depth	10 km
Distances	582.9 km (361.4 mi) NNE of Fernando de Noronha (Distrito Estadual), Brazil 926.8 km (574.6 mi) NE of São Miguel, Brazil 941.8 km (583.9 mi) NE of Extremoz, Brazil 942.0 km (584.1 mi) NE of Natal, Brazil 944.8 km (585.8 mi) NE of Ceará Mirim, Brazil
Location Uncertainty	Horizontal: 10.8 km; Vertical 1.9 km
Parameters	Nph = 61; Dmin = 995.5 km; Rmss = 1.01 seconds; Gp = 89° Version =
Event ID	us 7000pp0s

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2025-03-30 21:51:40 (M5.2) Tonga -20.0 -173.7 (70fa9)

M5.2 Earthquake - Tonga

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 30 Mar 2025 21:51:40 Time near the Epicenter (1): 31 Mar 2025 10:51:40 Time in your area (1): 31 Mar 2025 03:21:40
Location	20.006S 173.733W
Depth	10 km
Distances	67.8 km (42.0 mi) ESE of Fangale'ounga, Tonga 68.4 km (42.4 mi) ESE of Pangai, Tonga 197.7 km (122.6 mi) NE of Nuku'alofa, Tonga 711.2 km (440.9 mi) SSW of Pago Pago, American Samoa 714.5 km (443.0 mi) SSW of Apia, Samoa
Location Uncertainty	Horizontal: 15.3 km; Vertical 1.9 km
Parameters	Nph = 26; Dmin = 412.2 km; Rmss = 0.75 seconds; Gp = 118° Version =
Event ID	us 7000pnxn

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2025-03-30 15:33:48 (M5.8) Tonga -20.3 -173.7 (70fa9)

M5.8 Earthquake - Tonga

Preliminary Report

Magnitude	5.8
Date-Time	Universal Time (UTC): 30 Mar 2025 15:33:48 Time near the Epicenter (1): 31 Mar 2025 04:33:48 Time in your area (1): 30 Mar 2025 21:03:48
Location	20.306S 173.715W
Depth	35 km
Distances	86.1 km (53.4 mi) SE of Pangai, Tonga 180.1 km (111.6 mi) ENE of Nuku'alofa, Tonga 739.9 km (458.8 mi) SSW of Pago Pago, American Samoa 745.7 km (462.3 mi) SSW of Apia, Samoa 847.5 km (525.4 mi) ESE of Labasa, Fiji
Location Uncertainty	Horizontal: 10.0 km; Vertical 2.0 km
Parameters	Nph = 24; Dmin = 419.6 km; Rmss = 0.53 seconds; Gp = 130° Version =
Event ID	us 7000pnvv

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2025-03-30 15:04:52 (M6.1) Tonga -20.4 -173.8 (70fa9)

M6.1 Earthquake - Tonga

Preliminary Report

Magnitude	6.1
Date-Time	Universal Time (UTC): 30 Mar 2025 15:04:53 Time near the Epicenter (1): 31 Mar 2025 04:04:53 Time in your area (1): 30 Mar 2025 20:34:53
Location	20.371S 173.831W
Depth	10 km
Distances	82.4 km (51.1 mi) SE of Pangai, Tonga 165.9 km (102.9 mi) ENE of Nuku'alofa, Tonga 751.8 km (466.1 mi) SSW of Pago Pago, American Samoa 756.1 km (468.8 mi) SSW of Apia, Samoa 840.5 km (521.1 mi) ESE of Labasa, Fiji
Location Uncertainty	Horizontal: 8.4 km; Vertical 2.0 km
Parameters	Nph = 27; Dmin = 433.4 km; Rmss = 0.63 seconds; Gp = 129° Version =
Event ID	us 7000pnvp

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2025-03-30 12:18:43 UPDATED: (M7.1) Tonga -20.4 -173.8 (70fa9)

M7.1 Earthquake - Tonga

Preliminary Report

Magnitude	7.1
Date-Time	Universal Time (UTC): 30 Mar 2025 12:18:43 Time near the Epicenter (1): 31 Mar 2025 01:18:43 Time in your area (1): 30 Mar 2025 17:48:43
Location	20.417S 173.772W
Depth	10 km
Distances	90.3 km (56.0 mi) SE of Pangai, Tonga 168.8 km (104.6 mi) ENE of Nuku'alofa, Tonga 753.6 km (467.2 mi) SSW of Pago Pago, American Samoa 759.2 km (470.7 mi) SSW of Apia, Samoa 848.4 km (526.0 mi) ESE of Labasa, Fiji
Location Uncertainty	Horizontal: 9.4 km; Vertical 1.9 km
Parameters	Nph = 40; Dmin = 429.1 km; Rmss = 1.07 seconds; Gp = 115° Version =
Event ID	us 7000pntq

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2025-03-30 02:58:33 (M5.1) northern Sumatra, Indonesia 5.4 95.3 (70fa9)

M5.1 Earthquake - northern Sumatra, Indonesia

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 30 Mar 2025 02:58:33 Time near the Epicenter (1): 30 Mar 2025 09:58:33 Time in your area (1): 30 Mar 2025 08:28:33
Location	5.434N 95.347E
Depth	10 km
Distances	12.0 km (7.5 mi) S of Banda Aceh, Indonesia 50.5 km (31.3 mi) S of Sabang, Indonesia 68.3 km (42.3 mi) W of Sigli, Indonesia 106.6 km (66.1 mi) WNW of Reuleuet, Indonesia 152.3 km (94.4 mi) W of Bireun, Indonesia
Location Uncertainty	Horizontal: 6.3 km; Vertical 1.9 km
Parameters	Nph = 67; Dmin = 178.7 km; Rmss = 0.92 seconds; Gp = 95° Version =
Event ID	us 7000pnri

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