2025-08-16 22:52:10 (M5.5) south of Tonga -24.6 -175.9 (70fa9)

M5.5 Earthquake - south of Tonga

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 16 Aug 2025 22:52:11 Time near the Epicenter (1): 17 Aug 2025 11:52:11 Time in your area (1): 17 Aug 2025 04:22:11
Location	24.586S 175.868W
Depth	35 km
Distances	371.3 km (230.2 mi) SSW of 'Ohonua, Tonga 388.1 km (240.6 mi) S of Nuku'alofa, Tonga 927.2 km (574.8 mi) SE of Nasinu, Fiji 927.2 km (574.8 mi) SE of Suva, Fiji 990.1 km (613.8 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 12.1 km; Vertical 1.9 km
Parameters	Nph = 44; Dmin = 985.0 km; Rmss = 1.06 seconds; Gp = 80° Version =
Event ID	us 6000r1n6

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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2025-08-16 22:51:28 (M5.2) Taiwan region 21.1 119.9 (70fa9)

M5.2 Earthquake - Taiwan region

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 16 Aug 2025 22:51:29 Time near the Epicenter (1): 17 Aug 2025 06:51:29 Time in your area (1): 17 Aug 2025 04:21:29
Location	21.111N 119.941E
Depth	10 km
Distances	129.2 km (80.1 mi) SW of Hengchun, Taiwan 158.9 km (98.5 mi) SSW of Donggang, Taiwan 171.1 km (106.1 mi) SSW of Kaohsiung, Taiwan 210.1 km (130.2 mi) S of Tainan, Taiwan 214.4 km (132.9 mi) S of Yongkang, Taiwan
Location Uncertainty	Horizontal: 5.6 km; Vertical 1.9 km
Parameters	Nph = 64; Dmin = 222.4 km; Rmss = 1.00 seconds; Gp = 70° Version =
Event ID	us 6000r1n5

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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2025-08-16 22:38:52 (M5.8) Sulawesi, Indonesia -1.3 120.7 (70fa9)

M5.8 Earthquake - Sulawesi, Indonesia

Preliminary Report

Magnitude	5.8
Date-Time	Universal Time (UTC): 16 Aug 2025 22:38:52 Time near the Epicenter (1): 17 Aug 2025 06:38:52 Time in your area (1): 17 Aug 2025 04:08:52
Location	1.257S 120.741E
Depth	10 km
Distances	15.4 km (9.6 mi) N of Poso, Indonesia 104.2 km (64.6 mi) ESE of Palu, Indonesia 150.6 km (93.4 mi) NNE of Masamba, Indonesia 201.2 km (124.8 mi) NNE of Palopo, Indonesia 211.4 km (131.1 mi) NNE of Rantepao, Indonesia
Location Uncertainty	Horizontal: 4.1 km; Vertical 1.8 km
Parameters	Nph = 98; Dmin = 149.6 km; Rmss = 1.20 seconds; Gp = 20° Version =
Event ID	us 6000r1n3

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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2025-08-16 21:13:14 (M5.6) Kyushu, Japan 32.0 131.8 (70fa9)

M5.6 Earthquake - Kyushu, Japan

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 16 Aug 2025 21:13:14 Time near the Epicenter (1): 17 Aug 2025 06:13:14 Time in your area (1): 17 Aug 2025 02:43:14
Location	32.020N 131.775E
Depth	26 km
Distances	28.9 km (17.9 mi) ESE of Takanabe, Japan 30.4 km (18.8 mi) SE of Kawaminami, Japan 32.2 km (20.0 mi) SE of Tsunō, Japan 35.8 km (22.2 mi) ENE of Miyazaki, Japan 36.2 km (22.4 mi) E of Saito, Japan
Location Uncertainty	Horizontal: 4.8 km; Vertical 3.5 km
Parameters	Nph = 133; Dmin = 137.6 km; Rmss = 1.04 seconds; Gp = 20° Version =
Event ID	us 6000r1mt

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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