2026-08-21 17:41:44 (M5.7) southwest of Sumatra, Indonesia -7.6 104.6 (70fa9)

M5.7 Earthquake - southwest of Sumatra, Indonesia

Preliminary Report

Magnitude	5.7
Date-Time	Universal Time (UTC): 21 Aug 2026 17:41:44 Time near the Epicenter (1): 22 Aug 2026 00:41:44 Time in your area (1): 21 Aug 2026 23:11:44
Location	7.584S 104.550E
Depth	10 km
Distances	194.3 km (120.5 mi) SW of Labuan, Indonesia 222.4 km (137.9 mi) SW of Pandeglang, Indonesia 230.6 km (143.0 mi) WSW of Pelabuhanratu, Indonesia 231.5 km (143.5 mi) SW of Rangkasbitung, Indonesia 240.4 km (149.1 mi) SW of Serang, Indonesia
Location Uncertainty	Horizontal: 7.3 km; Vertical 1.8 km
Parameters	Nph = 84; Dmin = 342.1 km; Rmss = 0.76 seconds; Gp = 42° Version =
Event ID	us 6000tmlu

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-08-21 09:22:36 (M5.1) Mindanao, Philippines 9.5 125.6 (70fa9)

M5.1 Earthquake - Mindanao, Philippines

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 21 Aug 2026 09:22:36 Time near the Epicenter (1): 21 Aug 2026 17:22:36 Time in your area (1): 21 Aug 2026 14:52:36
Location	9.483N 125.578E
Depth	10 km
Distances	1.8 km (1.1 mi) N of Alegria, Philippines 19.1 km (11.8 mi) S of Placer, Philippines 35.0 km (21.7 mi) SSE of Surigao, Philippines 40.2 km (24.9 mi) N of Cabadbaran, Philippines 59.2 km (36.7 mi) N of Butuan, Philippines
Location Uncertainty	Horizontal: 9.1 km; Vertical 1.8 km
Parameters	Nph = 84; Dmin = 266.7 km; Rmss = 1.08 seconds; Gp = 74° Version =
Event ID	us 6000tmes

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-08-21 09:12:20 (M5.2) Mindanao, Philippines 9.3 125.3 (70fa9)

M5.2 Earthquake - Mindanao, Philippines

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 21 Aug 2026 09:12:21 Time near the Epicenter (1): 21 Aug 2026 17:12:21 Time in your area (1): 21 Aug 2026 14:42:21
Location	9.338N 125.342E
Depth	10 km
Distances	19.1 km (11.8 mi) W of Jabonga, Philippines 31.9 km (19.8 mi) NW of Cabadbaran, Philippines 40.6 km (25.2 mi) N of Buenavista, Philippines 45.2 km (28.0 mi) SW of Placer, Philippines 48.4 km (30.0 mi) NNW of Butuan, Philippines
Location Uncertainty	Horizontal: 7.3 km; Vertical 1.8 km
Parameters	Nph = 88; Dmin = 252.0 km; Rmss = 1.00 seconds; Gp = 59° Version =
Event ID	us 6000tmer

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-08-21 08:12:34 (M5.1) south of Tonga -24.7 -175.3 (70fa9)

M5.1 Earthquake - south of Tonga

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 21 Aug 2026 08:12:34 Time near the Epicenter (1): 21 Aug 2026 21:12:34 Time in your area (1): 21 Aug 2026 13:42:34
Location	24.712S 175.307W
Depth	10 km
Distances	375.1 km (232.5 mi) S of ‘Ohonua, Tonga 396.1 km (245.6 mi) S of Nuku‘alofa, Tonga 975.1 km (604.5 mi) SE of Nasinu, Fiji 975.5 km (604.8 mi) SE of Suva, Fiji 1040.7 km (645.2 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 12.0 km; Vertical 1.9 km
Parameters	Nph = 42; Dmin = 565.3 km; Rmss = 1.00 seconds; Gp = 128° Version =
Event ID	us 6000tmei

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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2026-08-20 23:36:41 (M5.0) Pacific-Antarctic Ridge -56.6 -141.5 (70fa9)

M5.0 Earthquake - Pacific-Antarctic Ridge

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 20 Aug 2026 23:36:41 Time near the Epicenter (1): 20 Aug 2026 14:36:41 Time in your area (1): 21 Aug 2026 05:06:41
Location	56.592S 141.454W
Depth	10 km
Distances	2826.2 km (1752.3 mi) ESE of Waitangi, New Zealand 3477.4 km (2156.0 mi) E of Dunedin, New Zealand 3502.0 km (2171.3 mi) E of Oamaru, New Zealand 3511.1 km (2176.9 mi) E of Christchurch, New Zealand 3511.6 km (2177.2 mi) E of Parklands, New Zealand
Location Uncertainty	Horizontal: 16.8 km; Vertical 1.9 km
Parameters	Nph = 22; Dmin = 3628.8 km; Rmss = 1.11 seconds; Gp = 88° Version =
Event ID	us 6000tmbw

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2026-08-20 18:25:19 (M5.1) New Ireland region, Papua New Guinea -5.4 153.6 (70fa9)

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

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 20 Aug 2026 18:25:20 Time near the Epicenter (1): 21 Aug 2026 04:25:20 Time in your area (1): 20 Aug 2026 23:55:20
Location	5.371S 153.563E
Depth	35 km
Distances	183.1 km (113.5 mi) SE of Kokopo, Papua New Guinea 241.3 km (149.6 mi) WNW of Arawa, Papua New Guinea 380.1 km (235.7 mi) E of Kimbe, Papua New Guinea 436.1 km (270.4 mi) SE of Kavieng, Papua New Guinea 645.2 km (400.0 mi) NNE of Alotau, Papua New Guinea
Location Uncertainty	Horizontal: 6.4 km; Vertical 1.9 km
Parameters	Nph = 42; Dmin = 202.6 km; Rmss = 0.77 seconds; Gp = 121° Version =
Event ID	us 6000tm8j

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2026-08-20 18:00:15 (M6.7) central Peru -14.6 -73.6 (70fa9)

M6.7 Earthquake - central Peru

Preliminary Report

Magnitude	6.7
Date-Time	Universal Time (UTC): 20 Aug 2026 18:00:15 Time near the Epicenter (1): 20 Aug 2026 14:00:15 Time in your area (1): 20 Aug 2026 23:30:15
Location	14.626S 73.616W
Depth	66 km
Distances	38.3 km (23.7 mi) NW of Upahuacho, Peru 56.3 km (34.9 mi) E of Puquio, Peru 110.2 km (68.3 mi) SSW of Andahuaylas, Peru 135.4 km (84.0 mi) SW of Abancay, Peru 144.3 km (89.4 mi) E of Nazca, Peru
Location Uncertainty	Horizontal: 7.3 km; Vertical 6.4 km
Parameters	Nph = 123; Dmin = 454.9 km; Rmss = 0.89 seconds; Gp = 35° Version =
Event ID	us 6000tm81

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