2026-07-27 08:47:18 (M5.2) south of Tonga -24.7 -175.4 (70fa9)

M5.2 Earthquake - south of Tonga

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 27 Jul 2026 08:47:19 Time near the Epicenter (1): 27 Jul 2026 21:47:19 Time in your area (1): 27 Jul 2026 14:17:19
Location	24.735S 175.355W
Depth	10 km
Distances	378.0 km (234.3 mi) S of ‘Ohonua, Tonga 398.7 km (247.2 mi) S of Nuku‘alofa, Tonga 973.7 km (603.7 mi) SE of Nasinu, Fiji 974.0 km (603.9 mi) SE of Suva, Fiji 1038.9 km (644.1 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 14.0 km; Vertical 1.9 km
Parameters	Nph = 40; Dmin = 561.0 km; Rmss = 0.77 seconds; Gp = 170° Version =
Event ID	us 7000t3m6

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-07-27 08:57:43 (M5.4) Antofagasta, Chile -23.5 -68.6 (70fa9)

M5.4 Earthquake - Antofagasta, Chile

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 27 Jul 2026 08:57:44 Time near the Epicenter (1): 27 Jul 2026 04:57:44 Time in your area (1): 27 Jul 2026 14:27:44
Location	23.545S 68.633W
Depth	106 km
Distances	83.0 km (51.5 mi) SSW of San Pedro de Atacama, Chile 124.2 km (77.0 mi) SSE of Calama, Chile 180.3 km (111.8 mi) E of Antofagasta, Chile 192.0 km (119.0 mi) ESE of Mejillones, Chile 227.4 km (141.0 mi) SE of Tocopilla, Chile
Location Uncertainty	Horizontal: 5.1 km; Vertical 6.2 km
Parameters	Nph = 56; Dmin = 80.4 km; Rmss = 1.40 seconds; Gp = 56° Version =
Event ID	us 7000t3m7

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-07-27 08:44:08 (M5.2) south of Tonga -24.7 -175.2 (70fa9)

M5.2 Earthquake - south of Tonga

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 27 Jul 2026 08:44:08 Time near the Epicenter (1): 27 Jul 2026 21:44:08 Time in your area (1): 27 Jul 2026 14:14:08
Location	24.696S 175.244W
Depth	10 km
Distances	372.7 km (231.0 mi) S of ‘Ohonua, Tonga 394.2 km (244.4 mi) S of Nuku‘alofa, Tonga 978.0 km (606.4 mi) SE of Nasinu, Fiji 978.5 km (606.7 mi) SE of Suva, Fiji 1044.2 km (647.4 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 10.0 km; Vertical 1.8 km
Parameters	Nph = 70; Dmin = 569.9 km; Rmss = 0.85 seconds; Gp = 55° Version =
Event ID	us 7000t3m5

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-07-27 03:36:43 (M5.2) south of Tonga -24.5 -175.2 (70fa9)

M5.2 Earthquake - south of Tonga

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 27 Jul 2026 03:36:43 Time near the Epicenter (1): 27 Jul 2026 16:36:43 Time in your area (1): 27 Jul 2026 09:06:43
Location	24.500S 175.171W
Depth	10 km
Distances	350.5 km (217.3 mi) S of ‘Ohonua, Tonga 372.5 km (230.9 mi) S of Nuku‘alofa, Tonga 967.3 km (599.7 mi) SE of Nasinu, Fiji 968.0 km (600.2 mi) SE of Suva, Fiji 1035.1 km (641.8 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 11.3 km; Vertical 1.9 km
Parameters	Nph = 54; Dmin = 1282.1 km; Rmss = 0.80 seconds; Gp = 85° Version =
Event ID	us 7000t3l3

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-07-27 03:12:04 (M5.0) south of Tonga -24.4 -175.1 (70fa9)

M5.0 Earthquake - south of Tonga

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 27 Jul 2026 03:12:04 Time near the Epicenter (1): 27 Jul 2026 16:12:04 Time in your area (1): 27 Jul 2026 08:42:04
Location	24.438S 175.090W
Depth	10 km
Distances	343.2 km (212.8 mi) S of ‘Ohonua, Tonga 365.7 km (226.8 mi) S of Nuku‘alofa, Tonga 968.1 km (600.2 mi) SE of Nasinu, Fiji 968.9 km (600.7 mi) SE of Suva, Fiji 1036.8 km (642.8 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 10.7 km; Vertical 1.8 km
Parameters	Nph = 71; Dmin = 602.5 km; Rmss = 0.91 seconds; Gp = 57° Version =
Event ID	us 7000t3kz

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-07-27 01:54:14 (M5.1) south of Tonga -24.5 -175.1 (70fa9)

M5.1 Earthquake - south of Tonga

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 27 Jul 2026 01:54:14 Time near the Epicenter (1): 27 Jul 2026 14:54:14 Time in your area (1): 27 Jul 2026 07:24:14
Location	24.544S 175.147W
Depth	10 km
Distances	355.2 km (220.2 mi) S of ‘Ohonua, Tonga 377.4 km (234.0 mi) S of Nuku‘alofa, Tonga 972.5 km (603.0 mi) SE of Nasinu, Fiji 973.2 km (603.4 mi) SE of Suva, Fiji 1040.2 km (644.9 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 12.3 km; Vertical 1.8 km
Parameters	Nph = 57; Dmin = 810.3 km; Rmss = 1.03 seconds; Gp = 67° Version =
Event ID	us 7000t3km

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-07-26 22:39:02 (M5.0) South Atlantic Ocean -22.5 -20.2 (70fa9)

M5.0 Earthquake - South Atlantic Ocean

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 26 Jul 2026 22:39:03 Time near the Epicenter (1): 26 Jul 2026 21:39:03 Time in your area (1): 27 Jul 2026 04:09:03
Location	22.513S 20.245W
Depth	10 km
Distances	1690.7 km (1048.2 mi) WSW of Jamestown, Saint Helena 1730.5 km (1072.9 mi) SSW of Georgetown, Saint Helena 2061.6 km (1278.2 mi) E of Nova Viçosa, Brazil 2065.6 km (1280.7 mi) ESE of Prado, Brazil 2073.3 km (1285.4 mi) E of Mucuri, Brazil
Location Uncertainty	Horizontal: 12.8 km; Vertical 1.8 km
Parameters	Nph = 51; Dmin = 2219.4 km; Rmss = 0.80 seconds; Gp = 61° Version =
Event ID	us 7000t3jr

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-07-26 18:19:40 (M5.4) northern Mid-Atlantic Ridge 29.9 -42.8 (70fa9)

M5.4 Earthquake - northern Mid-Atlantic Ridge

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 26 Jul 2026 18:19:41 Time near the Epicenter (1): 26 Jul 2026 15:19:41 Time in your area (1): 26 Jul 2026 23:49:41
Location	29.936N 42.805W
Depth	10 km
Distances	1491.7 km (924.9 mi) SW of Lajes das Flores, Portugal 1726.6 km (1070.5 mi) SW of Angra do Heroísmo, Portugal 1802.8 km (1117.7 mi) WSW of Ponta Delgada, Portugal 1810.8 km (1122.7 mi) WSW of Lagoa, Portugal 2131.5 km (1321.5 mi) SSE of Mount Pearl, Canada
Location Uncertainty	Horizontal: 10.2 km; Vertical 1.9 km
Parameters	Nph = 106; Dmin = 1815.3 km; Rmss = 0.48 seconds; Gp = 63° Version =
Event ID	us 7000t3in

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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