2026-07-04 14:12:22 (M5.1) southern Mid-Atlantic Ridge -45.7 -14.7 (70fa9)

M5.1 Earthquake - southern Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 4 Jul 2026 14:12:22 Time near the Epicenter (1): 4 Jul 2026 13:12:22 Time in your area (1): 4 Jul 2026 19:42:22
Location	45.688S 14.652W
Depth	10 km
Distances	977.1 km (605.8 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 3085.8 km (1913.2 mi) WSW of Retreat, South Africa 3089.7 km (1915.6 mi) WSW of Claremont, South Africa 3090.0 km (1915.8 mi) WSW of Cape Town, South Africa 3091.6 km (1916.8 mi) WSW of Rondebosch, South Africa
Location Uncertainty	Horizontal: 11.2 km; Vertical 1.4 km
Parameters	Nph = 40; Dmin = 3371.8 km; Rmss = 0.73 seconds; Gp = 71° Version =
Event ID	us 6000ta4c

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-07-04 12:42:27 (M5.0) Reykjanes Ridge 59.4 -30.2 (70fa9)

M5.0 Earthquake - Reykjanes Ridge

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 4 Jul 2026 12:42:27 Time near the Epicenter (1): 4 Jul 2026 10:42:27 Time in your area (1): 4 Jul 2026 18:12:27
Location	59.429N 30.203W
Depth	10 km
Distances	640.1 km (396.9 mi) SW of Grindavík, Iceland 649.2 km (402.5 mi) SW of Reykjanesbær, Iceland 649.7 km (402.8 mi) SW of Keflavík, Iceland 675.5 km (418.8 mi) SW of Hafnarfjörður, Iceland 677.8 km (420.2 mi) SW of Garðabær, Iceland
Location Uncertainty	Horizontal: 10.5 km; Vertical 1.9 km
Parameters	Nph = 39; Dmin = 752.3 km; Rmss = 0.71 seconds; Gp = 66° Version =
Event ID	us 6000ta3t

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-07-04 12:34:24 (M5.0) Reykjanes Ridge 59.4 -30.3 (70fa9)

M5.0 Earthquake - Reykjanes Ridge

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 4 Jul 2026 12:34:24 Time near the Epicenter (1): 4 Jul 2026 10:34:24 Time in your area (1): 4 Jul 2026 18:04:24
Location	59.433N 30.299W
Depth	10 km
Distances	643.1 km (398.7 mi) SW of Grindavík, Iceland 652.0 km (404.2 mi) SW of Reykjanesbær, Iceland 652.5 km (404.5 mi) SW of Keflavík, Iceland 678.5 km (420.6 mi) SW of Hafnarfjörður, Iceland 680.7 km (422.0 mi) SW of Garðabær, Iceland
Location Uncertainty	Horizontal: 10.8 km; Vertical 1.9 km
Parameters	Nph = 47; Dmin = 754.9 km; Rmss = 1.07 seconds; Gp = 69° Version =
Event ID	us 6000ta3r

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2026-07-04 09:02:14 (M5.0) Halmahera, Indonesia 1.8 127.4 (70fa9)

M5.0 Earthquake - Halmahera, Indonesia

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 4 Jul 2026 09:02:15 Time near the Epicenter (1): 4 Jul 2026 18:02:15 Time in your area (1): 4 Jul 2026 14:32:15
Location	1.787N 127.436E
Depth	128 km
Distances	64.1 km (39.7 mi) W of Tobelo, Indonesia 110.4 km (68.4 mi) N of Ternate, Indonesia 116.9 km (72.5 mi) N of Sofifi, Indonesia 153.3 km (95.0 mi) NW of Maba, Indonesia 259.7 km (161.0 mi) E of Bitung, Indonesia
Location Uncertainty	Horizontal: 10.6 km; Vertical 7.1 km
Parameters	Nph = 55; Dmin = 618.7 km; Rmss = 1.00 seconds; Gp = 102° Version =
Event ID	us 6000ta34

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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Your account has aftershock exclusion turned on. This event fell into the 'US6000t9r5' exclusion region, but was large enough to trigger notification.
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2026-07-04 08:55:54 (M5.1) Papua, Indonesia -2.5 138.3 (70fa9)

M5.1 Earthquake - Papua, Indonesia

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 4 Jul 2026 08:55:54 Time near the Epicenter (1): 4 Jul 2026 17:55:54 Time in your area (1): 4 Jul 2026 14:25:54
Location	2.513S 138.253E
Depth	39 km
Distances	264.8 km (164.2 mi) W of Abepura, Indonesia 274.2 km (170.0 mi) W of Jayapura, Indonesia 320.0 km (198.4 mi) ENE of Nabire, Indonesia 335.5 km (208.0 mi) N of Agats, Indonesia 339.6 km (210.5 mi) W of Vanimo, Papua New Guinea
Location Uncertainty	Horizontal: 8.0 km; Vertical 7.1 km
Parameters	Nph = 48; Dmin = 272.2 km; Rmss = 0.66 seconds; Gp = 36° Version =
Event ID	us 6000ta32

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2026-07-04 07:50:23 (M5.1) eastern New Guinea region, Papua New Guinea -5.5 147.1 (70fa9)

M5.1 Earthquake - eastern New Guinea region, Papua New Guinea

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 4 Jul 2026 07:50:24 Time near the Epicenter (1): 4 Jul 2026 17:50:24 Time in your area (1): 4 Jul 2026 13:20:24
Location	5.505S 147.103E
Depth	182 km
Distances	135.3 km (83.9 mi) N of Lae, Papua New Guinea 149.2 km (92.5 mi) ESE of Madang, Papua New Guinea 194.7 km (120.7 mi) NNE of Bulolo, Papua New Guinea 200.6 km (124.4 mi) ENE of Goroka, Papua New Guinea 207.2 km (128.4 mi) NNE of Wau, Papua New Guinea
Location Uncertainty	Horizontal: 8.2 km; Vertical 5.9 km
Parameters	Nph = 60; Dmin = 383.5 km; Rmss = 0.71 seconds; Gp = 35° Version =
Event ID	us 6000ta2x

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-07-04 03:09:33 (M5.0) Near the coast of Coquimbo, Chile -30.9 -71.5 (70fa9)

M5.0 Earthquake - Near the coast of Coquimbo, Chile

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 4 Jul 2026 03:09:33 Time near the Epicenter (1): 3 Jul 2026 23:09:33 Time in your area (1): 4 Jul 2026 08:39:33
Location	30.913S 71.479W
Depth	49 km
Distances	43.8 km (27.2 mi) SW of Ovalle, Chile 55.5 km (34.4 mi) WSW of Monte Patria, Chile 85.1 km (52.8 mi) NNW of Illapel, Chile 107.3 km (66.5 mi) S of Coquimbo, Chile 114.0 km (70.7 mi) S of La Serena, Chile
Location Uncertainty	Horizontal: 4.7 km; Vertical 4.4 km
Parameters	Nph = 68; Dmin = 30.5 km; Rmss = 0.97 seconds; Gp = 145° Version =
Event ID	us 6000ta18

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2026-07-03 20:22:15 (M5.3) Balleny Islands region -62.1 155.8 (70fa9)

M5.3 Earthquake - Balleny Islands region

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 3 Jul 2026 20:22:15 Time near the Epicenter (1): 4 Jul 2026 06:22:15 Time in your area (1): 4 Jul 2026 01:52:15
Location	62.112S 155.788E
Depth	10 km
Distances	1901.8 km (1179.1 mi) SSW of Bluff, New Zealand 1923.2 km (1192.4 mi) SSW of Invercargill, New Zealand 1970.0 km (1221.4 mi) SSW of Gore, New Zealand 2037.9 km (1263.5 mi) SW of Dunedin, New Zealand 2074.8 km (1286.3 mi) SSW of Queenstown, New Zealand
Location Uncertainty	Horizontal: 10.3 km; Vertical 2.0 km
Parameters	Nph = 16; Dmin = 868.9 km; Rmss = 0.50 seconds; Gp = 142° Version =
Event ID	us 6000t9zw

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