2025-12-27 00:22:31 (M5.6) southern Sumatra, Indonesia -5.5 102.3 (70fa9)

M5.6 Earthquake - southern Sumatra, Indonesia

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 27 Dec 2025 00:22:31 Time near the Epicenter (1): 27 Dec 2025 07:22:31 Time in your area (1): 27 Dec 2025 05:52:31
Location	5.533S 102.314E
Depth	10 km
Distances	191.6 km (118.8 mi) S of Bengkulu, Indonesia 196.2 km (121.7 mi) SSW of Pagar Alam, Indonesia 229.2 km (142.1 mi) S of Curup, Indonesia 236.5 km (146.6 mi) SW of Lahat, Indonesia 241.8 km (149.9 mi) SW of Tanjungagung, Indonesia
Location Uncertainty	Horizontal: 6.2 km; Vertical 4.4 km
Parameters	Nph = 73; Dmin = 147.7 km; Rmss = 0.84 seconds; Gp = 65° Version =
Event ID	us 7000rkyz

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2025-12-26 23:02:25 (M5.1) New Ireland region, Papua New Guinea -4.6 153.2 (70fa9)

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

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 26 Dec 2025 23:02:25 Time near the Epicenter (1): 27 Dec 2025 10:02:25 Time in your area (1): 27 Dec 2025 04:32:25
Location	4.568S 153.200E
Depth	88 km
Distances	106.3 km (65.9 mi) ESE of Kokopo, Papua New Guinea 320.2 km (198.5 mi) NW of Arawa, Papua New Guinea 346.5 km (214.8 mi) SE of Kavieng, Papua New Guinea 356.6 km (221.1 mi) ENE of Kimbe, Papua New Guinea 704.0 km (436.4 mi) NNE of Alotau, Papua New Guinea
Location Uncertainty	Horizontal: 9.0 km; Vertical 6.5 km
Parameters	Nph = 56; Dmin = 122.2 km; Rmss = 0.66 seconds; Gp = 119° Version =
Event ID	us 7000rkyq

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2025-12-26 10:44:53 UPDATED: (M4.8) Izu Islands, Japan region 29.0 138.7 (70fa9)

M4.8 Earthquake - Izu Islands, Japan region

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 26 Dec 2025 10:44:54 Time near the Epicenter (1): 26 Dec 2025 19:44:54 Time in your area (1): 26 Dec 2025 16:14:54
Location	29.036N 138.734E
Depth	492 km
Distances	566.3 km (351.1 mi) SSE of Kushimoto, Japan 582.8 km (361.3 mi) SSE of Shingū, Japan 594.1 km (368.3 mi) SSE of Kumano, Japan 607.5 km (376.6 mi) SSE of Owase, Japan 660.3 km (409.4 mi) S of Shizuoka, Japan
Location Uncertainty	Horizontal: 9.9 km; Vertical 6.7 km
Parameters	Nph = 84; Dmin = 401.3 km; Rmss = 0.58 seconds; Gp = 38° Version =
Event ID	us 7000rkvl ***This event has been revised.

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2025-12-26 10:44:53 (M5.6) Bonin Islands, Japan region 29.0 138.8 (70fa9)

M5.6 Earthquake - Bonin Islands, Japan region

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 26 Dec 2025 10:44:53 Time near the Epicenter (1): 26 Dec 2025 19:44:53 Time in your area (1): 26 Dec 2025 16:14:53
Location	28.995N 138.780E
Depth	488 km
Distances	572.4 km (354.9 mi) SSE of Kushimoto, Japan 588.8 km (365.1 mi) SSE of Shingū, Japan 600.0 km (372.0 mi) SSE of Kumano, Japan 613.3 km (380.3 mi) SSE of Owase, Japan 665.1 km (412.4 mi) S of Shizuoka, Japan
Location Uncertainty	Horizontal: 7.0 km; Vertical 13.8 km
Parameters	Nph = 29; Dmin = 395.2 km; Rmss = 0.84 seconds; Gp = 95° Version =
Event ID	us 7000rkvl

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2025-12-26 08:36:07 (M5.6) Fiji region -14.5 -176.9 (70fa9)

M5.6 Earthquake - Fiji region

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 26 Dec 2025 08:36:07 Time near the Epicenter (1): 26 Dec 2025 21:36:07 Time in your area (1): 26 Dec 2025 14:06:07
Location	14.498S 176.863W
Depth	10 km
Distances	136.2 km (84.4 mi) E of Alo, Wallis and Futuna 458.0 km (284.0 mi) ENE of Labasa, Fiji 555.0 km (344.1 mi) W of Apia, Samoa 632.9 km (392.4 mi) NE of Nasinu, Fiji 644.7 km (399.7 mi) NE of Suva, Fiji
Location Uncertainty	Horizontal: 11.5 km; Vertical 1.9 km
Parameters	Nph = 25; Dmin = 459.4 km; Rmss = 1.26 seconds; Gp = 99° Version =
Event ID	us 7000rkvc

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2025-12-25 16:17:42 (M5.6) Hokkaido, Japan region 41.2 142.4 (70fa9)

M5.6 Earthquake - Hokkaido, Japan region

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 25 Dec 2025 16:17:43 Time near the Epicenter (1): 26 Dec 2025 01:17:43 Time in your area (1): 25 Dec 2025 21:47:43
Location	41.222N 142.418E
Depth	61 km
Distances	99.2 km (61.5 mi) E of Yokohama, Japan 100.9 km (62.6 mi) E of Mutsu, Japan 105.0 km (65.1 mi) NE of Misawa, Japan 108.0 km (67.0 mi) SSW of Urakawa, Japan 148.7 km (92.2 mi) ENE of Aomori, Japan
Location Uncertainty	Horizontal: 8.3 km; Vertical 7.4 km
Parameters	Nph = 58; Dmin = 123.7 km; Rmss = 0.79 seconds; Gp = 103° Version =
Event ID	us 7000rkqm

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2025-12-25 09:57:15 (M5.2) south of the Fiji Islands -26.5 -176.3 (70fa9)

M5.2 Earthquake - south of the Fiji Islands

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 25 Dec 2025 09:57:15 Time near the Epicenter (1): 25 Dec 2025 22:57:15 Time in your area (1): 25 Dec 2025 15:27:15
Location	26.488S 176.304W
Depth	10 km
Distances	586.3 km (363.5 mi) SSW of 'Ohonua, Tonga 603.3 km (374.0 mi) S of Nuku'alofa, Tonga 1072.1 km (664.7 mi) SSE of Suva, Fiji 1074.0 km (665.9 mi) SSE of Nasinu, Fiji 1122.3 km (695.8 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 9.5 km; Vertical 1.9 km
Parameters	Nph = 49; Dmin = 1049.0 km; Rmss = 1.38 seconds; Gp = 58° Version =
Event ID	us 7000rkpt

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2025-12-25 08:14:47 (M5.0) Scotia Sea -61.1 -36.4 (70fa9)

M5.0 Earthquake - Scotia Sea

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 25 Dec 2025 08:14:47 Time near the Epicenter (1): 25 Dec 2025 06:14:47 Time in your area (1): 25 Dec 2025 13:44:47
Location	61.138S 36.442W
Depth	10 km
Distances	1948.1 km (1207.8 mi) E of Tolhuin, Argentina 1989.2 km (1233.3 mi) E of Ushuaia, Argentina 2022.2 km (1253.7 mi) E of Río Grande, Argentina 2234.7 km (1385.5 mi) E of Punta Arenas, Chile 2252.1 km (1396.3 mi) ESE of Río Gallegos, Argentina
Location Uncertainty	Horizontal: 12.4 km; Vertical 1.9 km
Parameters	Nph = 53; Dmin = 1447.5 km; Rmss = 0.60 seconds; Gp = 92° Version =
Event ID	us 7000rkpd

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2025-12-24 22:37:31 (M5.1) Norwegian Sea 72.1 1.3 (70fa9)

M5.1 Earthquake - Norwegian Sea

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 24 Dec 2025 22:37:31 Time near the Epicenter (1): 24 Dec 2025 22:37:31 Time in your area (1): 25 Dec 2025 04:07:31
Location	72.138N 1.282E
Depth	10 km
Distances	378.3 km (234.6 mi) ENE of Olonkinbyen, Svalbard and Jan Mayen 650.7 km (403.5 mi) WNW of Sortland, Norway 677.7 km (420.2 mi) WNW of Harstad, Norway 699.7 km (433.8 mi) WNW of Tromsø, Norway 731.2 km (453.4 mi) WNW of Narvik, Norway
Location Uncertainty	Horizontal: 8.2 km; Vertical 1.9 km
Parameters	Nph = 57; Dmin = 796.8 km; Rmss = 0.75 seconds; Gp = 66° Version =
Event ID	us 7000rkmg

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2025-12-24 22:37:32 (M5.1) south of the Mariana Islands 11.8 143.2 (70fa9)

M5.1 Earthquake - south of the Mariana Islands

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 24 Dec 2025 22:37:32 Time near the Epicenter (1): 25 Dec 2025 09:37:32 Time in your area (1): 25 Dec 2025 04:07:32
Location	11.788N 143.230E
Depth	10 km
Distances	226.3 km (140.3 mi) SW of Merizo Village, Guam 250.7 km (155.4 mi) SW of Mangilao Village, Guam 252.5 km (156.6 mi) SW of Tamuning, Guam 252.5 km (156.6 mi) SW of Tamuning-Tumon-Harmon Village, Guam 259.2 km (160.7 mi) SW of Dededo Village, Guam
Location Uncertainty	Horizontal: 10.4 km; Vertical 1.9 km
Parameters	Nph = 75; Dmin = 470.9 km; Rmss = 0.87 seconds; Gp = 87° Version =
Event ID	us 7000rkmf

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2025-12-24 15:00:35 UPDATED: (M5.7) south of the Mariana Islands 11.8 143.4 (70fa9)

M5.7 Earthquake - south of the Mariana Islands

Preliminary Report

Magnitude	5.7
Date-Time	Universal Time (UTC): 24 Dec 2025 15:00:35 Time near the Epicenter (1): 25 Dec 2025 02:00:35 Time in your area (1): 24 Dec 2025 20:30:35
Location	11.765N 143.364E
Depth	10 km
Distances	218.4 km (135.4 mi) SW of Merizo Village, Guam 243.0 km (150.6 mi) SW of Mangilao Village, Guam 245.0 km (151.9 mi) SW of Tamuning, Guam 245.0 km (151.9 mi) SW of Tamuning-Tumon-Harmon Village, Guam 251.6 km (156.0 mi) SW of Dededo Village, Guam
Location Uncertainty	Horizontal: 9.4 km; Vertical 1.8 km
Parameters	Nph = 164; Dmin = 464.7 km; Rmss = 0.57 seconds; Gp = 62° Version =
Event ID	us 7000rkkk

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2025-12-24 13:33:58 (M5.0) Guam region 13.0 144.6 (70fa9)

M5.0 Earthquake - Guam region

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 24 Dec 2025 13:33:58 Time near the Epicenter (1): 25 Dec 2025 00:33:58 Time in your area (1): 24 Dec 2025 19:03:58
Location	13.046N 144.631E
Depth	50 km
Distances	24.7 km (15.3 mi) S of Merizo Village, Guam 48.1 km (29.8 mi) SSW of Mangilao Village, Guam 51.5 km (32.0 mi) SSW of Tamuning, Guam 51.6 km (32.0 mi) SSW of Tamuning-Tumon-Harmon Village, Guam 56.9 km (35.3 mi) SSW of Dededo Village, Guam
Location Uncertainty	Horizontal: 12.1 km; Vertical 7.8 km
Parameters	Nph = 88; Dmin = 272.3 km; Rmss = 0.50 seconds; Gp = 136° Version =
Event ID	us 7000rkke

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2025-12-24 09:47:06 (M6.0) Taiwan region 22.9 121.2 (70fa9)

M6.0 Earthquake - Taiwan region

Preliminary Report

Magnitude	6.0
Date-Time	Universal Time (UTC): 24 Dec 2025 09:47:06 Time near the Epicenter (1): 24 Dec 2025 17:47:06 Time in your area (1): 24 Dec 2025 15:17:06
Location	22.851N 121.207E
Depth	10 km
Distances	82.3 km (51.0 mi) ESE of Yujing, Taiwan 88.8 km (55.1 mi) ENE of Donggang, Taiwan 95.4 km (59.1 mi) ENE of Kaohsiung, Taiwan 99.5 km (61.7 mi) ESE of Yongkang, Taiwan 103.1 km (63.9 mi) E of Tainan, Taiwan
Location Uncertainty	Horizontal: 5.8 km; Vertical 1.8 km
Parameters	Nph = 92; Dmin = 13.6 km; Rmss = 1.12 seconds; Gp = 38° Version =
Event ID	us 7000rkjm

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2025-12-23 20:41:59 (M5.6) Vanuatu -14.7 167.2 (70fa9)

M5.6 Earthquake - Vanuatu

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 23 Dec 2025 20:42:00 Time near the Epicenter (1): 24 Dec 2025 07:42:00 Time in your area (1): 24 Dec 2025 02:12:00
Location	14.703S 167.165E
Depth	170 km
Distances	38.8 km (24.0 mi) NNE of Port-Olry, Vanuatu 90.4 km (56.0 mi) N of Luganville, Vanuatu 357.4 km (221.6 mi) NNW of Port-Vila, Vanuatu 687.8 km (426.4 mi) N of Wé, New Caledonia 826.6 km (512.5 mi) N of Païta, New Caledonia
Location Uncertainty	Horizontal: 10.1 km; Vertical 5.7 km
Parameters	Nph = 57; Dmin = 82.3 km; Rmss = 1.08 seconds; Gp = 65° Version =
Event ID	us 7000rkfp

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2025-12-23 09:54:53 (M5.2) eastern New Guinea region, Papua New Guinea -5.6 147.4 (70fa9)

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

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 23 Dec 2025 09:54:53 Time near the Epicenter (1): 23 Dec 2025 20:54:53 Time in your area (1): 23 Dec 2025 15:24:53
Location	5.573S 147.411E
Depth	196 km
Distances	119.1 km (73.9 mi) NNW of Finschhafen, Papua New Guinea 135.3 km (83.9 mi) NNE of Lae, Papua New Guinea 184.1 km (114.1 mi) ESE of Madang, Papua New Guinea 199.5 km (123.7 mi) NNE of Bulolo, Papua New Guinea 209.8 km (130.1 mi) NNE of Wau, Papua New Guinea
Location Uncertainty	Horizontal: 4.3 km; Vertical 7.3 km
Parameters	Nph = 66; Dmin = 389.9 km; Rmss = 1.04 seconds; Gp = 30° Version =
Event ID	us 7000rkbp

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2025-12-23 09:44:21 (M5.2) near the south coast of Honshu, Japan 33.1 137.9 (70fa9)

M5.2 Earthquake - near the south coast of Honshu, Japan

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 23 Dec 2025 09:44:22 Time near the Epicenter (1): 23 Dec 2025 18:44:22 Time in your area (1): 23 Dec 2025 15:14:22
Location	33.149N 137.936E
Depth	336 km
Distances	163.4 km (101.3 mi) S of Ōyama, Japan 166.4 km (103.2 mi) SE of Shima, Japan 172.2 km (106.7 mi) S of Sagara, Japan 172.2 km (106.8 mi) S of Iwata, Japan 207.6 km (128.7 mi) SSW of Shizuoka, Japan
Location Uncertainty	Horizontal: 8.6 km; Vertical 6.9 km
Parameters	Nph = 83; Dmin = 175.3 km; Rmss = 0.99 seconds; Gp = 43° Version =
Event ID	us 7000rkbm

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2025-12-23 04:32:35 (M5.1) Caspian Sea 40.7 51.7 (70fa9)

M5.1 Earthquake - Caspian Sea

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 23 Dec 2025 04:32:35 Time near the Epicenter (1): 23 Dec 2025 09:32:35 Time in your area (1): 23 Dec 2025 10:02:35
Location	40.688N 51.715E
Depth	57 km
Distances	120.1 km (74.5 mi) E of Pirallahı, Azerbaijan 125.7 km (78.0 mi) ENE of Zyrya, Azerbaijan 128.7 km (79.8 mi) NW of Türkmenbaşy, Turkmenistan 134.8 km (83.6 mi) E of Mardakan, Azerbaijan 168.1 km (104.2 mi) E of Khirdalan, Azerbaijan
Location Uncertainty	Horizontal: 3.6 km; Vertical 7.2 km
Parameters	Nph = 60; Dmin = 260.8 km; Rmss = 0.72 seconds; Gp = 76° Version =
Event ID	us 7000rkas

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2025-12-22 10:31:28 (M6.5) eastern New Guinea region, Papua New Guinea -5.7 145.5 (70fa9)

M6.5 Earthquake - eastern New Guinea region, Papua New Guinea

Preliminary Report

Magnitude	6.5
Date-Time	Universal Time (UTC): 22 Dec 2025 10:31:28 Time near the Epicenter (1): 22 Dec 2025 21:31:28 Time in your area (1): 22 Dec 2025 16:01:28
Location	5.720S 145.495E
Depth	110 km
Distances	42.1 km (26.1 mi) NNE of Goroka, Papua New Guinea 63.9 km (39.6 mi) SSW of Madang, Papua New Guinea 140.9 km (87.4 mi) E of Mount Hagen, Papua New Guinea 199.7 km (123.8 mi) NW of Lae, Papua New Guinea 207.3 km (128.5 mi) NW of Bulolo, Papua New Guinea
Location Uncertainty	Horizontal: 4.9 km; Vertical 6.2 km
Parameters	Nph = 71; Dmin = 446.5 km; Rmss = 0.90 seconds; Gp = 33° Version =
Event ID	us 6000rwgh

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2025-12-22 02:20:23 (M5.2) near the coast of Chiapas, Mexico 14.3 -93.2 (70fa9)

M5.2 Earthquake - near the coast of Chiapas, Mexico

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 22 Dec 2025 02:20:23 Time near the Epicenter (1): 21 Dec 2025 20:20:23 Time in your area (1): 22 Dec 2025 07:50:23
Location	14.349N 93.197W
Depth	35 km
Distances	93.1 km (57.7 mi) WSW of Puerto Madero, Mexico 106.9 km (66.3 mi) WSW of Brisas Barra de Suchiate, Mexico 117.8 km (73.0 mi) SW of Huixtla, Mexico 118.4 km (73.4 mi) WSW of Tapachula, Mexico 165.1 km (102.3 mi) W of Retalhuleu, Guatemala
Location Uncertainty	Horizontal: 8.5 km; Vertical 1.9 km
Parameters	Nph = 66; Dmin = 242.1 km; Rmss = 0.85 seconds; Gp = 142° Version =
Event ID	us 6000rwex

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2025-12-21 23:07:27 (M5.3) New Britain region, Papua New Guinea -5.7 151.7 (70fa9)

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

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 21 Dec 2025 23:07:27 Time near the Epicenter (1): 22 Dec 2025 10:07:27 Time in your area (1): 22 Dec 2025 04:37:27
Location	5.652S 151.710E
Depth	9 km
Distances	157.4 km (97.6 mi) SSW of Kokopo, Papua New Guinea 174.6 km (108.2 mi) E of Kimbe, Papua New Guinea 355.3 km (220.3 mi) SSE of Kavieng, Papua New Guinea 431.7 km (267.6 mi) W of Arawa, Papua New Guinea 515.8 km (319.8 mi) NE of Popondetta, Papua New Guinea
Location Uncertainty	Horizontal: 10.6 km; Vertical 5.2 km
Parameters	Nph = 42; Dmin = 169.0 km; Rmss = 1.19 seconds; Gp = 83° Version =
Event ID	us 6000rwea

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2025-12-21 17:53:56 (M5.7) Philippine Islands region 8.3 127.7 (70fa9)

M5.7 Earthquake - Philippine Islands region

Preliminary Report

Magnitude	5.7
Date-Time	Universal Time (UTC): 21 Dec 2025 17:53:57 Time near the Epicenter (1): 22 Dec 2025 02:53:57 Time in your area (1): 21 Dec 2025 23:23:57
Location	8.332N 127.661E
Depth	10 km
Distances	136.6 km (84.7 mi) E of Barcelona, Philippines 146.3 km (90.7 mi) E of Hinatuan, Philippines 147.6 km (91.5 mi) NE of Baganga, Philippines 148.7 km (92.2 mi) E of Bislig, Philippines 242.9 km (150.6 mi) ESE of Butuan, Philippines
Location Uncertainty	Horizontal: 7.2 km; Vertical 1.8 km
Parameters	Nph = 113; Dmin = 268.6 km; Rmss = 1.59 seconds; Gp = 36° Version =
Event ID	us 6000rwcs

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2025-12-21 17:10:31 (M5.0) Solomon Islands -10.4 160.7 (70fa9)

M5.0 Earthquake - Solomon Islands

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 21 Dec 2025 17:10:32 Time near the Epicenter (1): 22 Dec 2025 04:10:32 Time in your area (1): 21 Dec 2025 22:40:32
Location	10.418S 160.724E
Depth	18 km
Distances	131.0 km (81.2 mi) W of Kirakira, Solomon Islands 136.3 km (84.5 mi) SE of Malango, Solomon Islands 138.1 km (85.6 mi) SE of Honiara, Solomon Islands 733.0 km (454.4 mi) SE of Arawa, Papua New Guinea 897.9 km (556.7 mi) NW of Luganville, Vanuatu
Location Uncertainty	Horizontal: 10.2 km; Vertical 5.2 km
Parameters	Nph = 24; Dmin = 137.7 km; Rmss = 0.58 seconds; Gp = 144° Version =
Event ID	us 6000rwcn

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2025-12-21 13:12:48 (M5.1) Balleny Islands region -62.0 161.4 (70fa9)

M5.1 Earthquake - Balleny Islands region

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 21 Dec 2025 13:12:48 Time near the Epicenter (1): 22 Dec 2025 00:12:48 Time in your area (1): 21 Dec 2025 18:42:48
Location	61.983S 161.417E
Depth	10 km
Distances	1768.1 km (1096.2 mi) SSW of Bluff, New Zealand 1790.1 km (1109.9 mi) SSW of Invercargill, New Zealand 1832.1 km (1135.9 mi) SSW of Gore, New Zealand 1885.4 km (1169.0 mi) SSW of Dunedin, New Zealand 1944.2 km (1205.4 mi) SSW of Queenstown, New Zealand
Location Uncertainty	Horizontal: 14.1 km; Vertical 1.9 km
Parameters	Nph = 29; Dmin = 847.2 km; Rmss = 0.41 seconds; Gp = 146° Version =
Event ID	us 6000rwby

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2025-12-21 12:21:46 (M5.6) Molucca Sea 1.5 126.3 (70fa9)

M5.6 Earthquake - Molucca Sea

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 21 Dec 2025 12:21:47 Time near the Epicenter (1): 21 Dec 2025 21:21:47 Time in your area (1): 21 Dec 2025 17:51:47
Location	1.466N 126.288E
Depth	54 km
Distances	129.1 km (80.1 mi) E of Bitung, Indonesia 143.0 km (88.7 mi) WNW of Ternate, Indonesia 154.1 km (95.5 mi) E of Tondano, Indonesia 160.2 km (99.3 mi) E of Manado, Indonesia 162.7 km (100.9 mi) WNW of Sofifi, Indonesia
Location Uncertainty	Horizontal: 6.5 km; Vertical 6.4 km
Parameters	Nph = 80; Dmin = 371.9 km; Rmss = 0.99 seconds; Gp = 36° Version =
Event ID	us 6000rwbl

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2025-12-21 06:58:48 (M5.1) off the east coast of Honshu, Japan 34.8 141.7 (70fa9)

M5.1 Earthquake - off the east coast of Honshu, Japan

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 21 Dec 2025 06:58:48 Time near the Epicenter (1): 21 Dec 2025 15:58:48 Time in your area (1): 21 Dec 2025 12:28:48
Location	34.794N 141.670E
Depth	10 km
Distances	127.0 km (78.7 mi) ESE of Ōhara, Japan 129.1 km (80.0 mi) SE of Hasaki, Japan 129.8 km (80.5 mi) ESE of Katsuura, Japan 134.0 km (83.1 mi) ESE of Ichinomiya, Japan 167.4 km (103.8 mi) ESE of Chiba, Japan
Location Uncertainty	Horizontal: 7.2 km; Vertical 1.9 km
Parameters	Nph = 58; Dmin = 253.2 km; Rmss = 0.91 seconds; Gp = 121° Version =
Event ID	us 6000rwaw

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2025-12-21 05:25:22 (M5.2) New Britain region, Papua New Guinea -5.6 151.9 (70fa9)

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

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 21 Dec 2025 05:25:22 Time near the Epicenter (1): 21 Dec 2025 16:25:22 Time in your area (1): 21 Dec 2025 10:55:22
Location	5.590S 151.853E
Depth	10 km
Distances	145.3 km (90.1 mi) SSW of Kokopo, Papua New Guinea 190.2 km (117.9 mi) E of Kimbe, Papua New Guinea 353.6 km (219.2 mi) SSE of Kavieng, Papua New Guinea 417.1 km (258.6 mi) W of Arawa, Papua New Guinea 532.2 km (330.0 mi) NE of Popondetta, Papua New Guinea
Location Uncertainty	Horizontal: 10.6 km; Vertical 1.9 km
Parameters	Nph = 36; Dmin = 158.2 km; Rmss = 0.94 seconds; Gp = 69° Version =
Event ID	us 6000rwai

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2025-12-21 04:03:38 (M5.1) east of the Kuril Islands 43.4 148.0 (70fa9)

M5.1 Earthquake - east of the Kuril Islands

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 21 Dec 2025 04:03:39 Time near the Epicenter (1): 21 Dec 2025 15:03:39 Time in your area (1): 21 Dec 2025 09:33:39
Location	43.430N 148.041E
Depth	10 km
Distances	114.1 km (70.7 mi) ESE of Shikotan, Russia 200.1 km (124.1 mi) E of Nemuro, Japan 236.4 km (146.6 mi) E of Shibetsu, Japan 248.6 km (154.1 mi) E of Nakashibetsu, Japan 544.7 km (337.7 mi) E of Sapporo, Japan
Location Uncertainty	Horizontal: 9.5 km; Vertical 1.8 km
Parameters	Nph = 57; Dmin = 429.9 km; Rmss = 1.22 seconds; Gp = 112° Version =
Event ID	us 6000rwa4

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2025-12-21 04:02:08 (M5.1) Pulau Pulau Tanimbar, Indonesia -6.8 131.3 (70fa9)

M5.1 Earthquake - Pulau Pulau Tanimbar, Indonesia

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 21 Dec 2025 04:02:09 Time near the Epicenter (1): 21 Dec 2025 13:02:09 Time in your area (1): 21 Dec 2025 09:32:09
Location	6.795S 131.264E
Depth	38 km
Distances	209.2 km (129.7 mi) SW of Tual, Indonesia 443.1 km (274.7 mi) SSW of Fakfak, Indonesia 462.1 km (286.5 mi) SE of Amahai, Indonesia 462.9 km (287.0 mi) SSE of Masohi, Indonesia 483.8 km (300.0 mi) SE of Ambon, Indonesia
Location Uncertainty	Horizontal: 7.2 km; Vertical 7.5 km
Parameters	Nph = 37; Dmin = 292.7 km; Rmss = 1.13 seconds; Gp = 78° Version =
Event ID	us 6000rwa3

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2025-12-21 03:47:59 (M5.2) east of the Kuril Islands 43.5 148.0 (70fa9)

M5.2 Earthquake - east of the Kuril Islands

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 21 Dec 2025 03:48:00 Time near the Epicenter (1): 21 Dec 2025 14:48:00 Time in your area (1): 21 Dec 2025 09:18:00
Location	43.457N 148.011E
Depth	10 km
Distances	110.8 km (68.7 mi) ESE of Shikotan, Russia 197.9 km (122.7 mi) E of Nemuro, Japan 233.7 km (144.9 mi) E of Shibetsu, Japan 246.0 km (152.5 mi) E of Nakashibetsu, Japan 542.4 km (336.3 mi) E of Sapporo, Japan
Location Uncertainty	Horizontal: 4.4 km; Vertical 1.8 km
Parameters	Nph = 83; Dmin = 428.7 km; Rmss = 1.06 seconds; Gp = 100° Version =
Event ID	us 6000rwa0

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2025-12-21 02:05:40 (M5.1) Kuril Islands 43.8 147.5 (70fa9)

M5.1 Earthquake - Kuril Islands

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 21 Dec 2025 02:05:40 Time near the Epicenter (1): 21 Dec 2025 12:05:40 Time in your area (1): 21 Dec 2025 07:35:40
Location	43.837N 147.463E
Depth	34 km
Distances	59.8 km (37.1 mi) E of Shikotan, Russia 162.8 km (101.0 mi) ENE of Nemuro, Japan 188.8 km (117.1 mi) E of Shibetsu, Japan 203.4 km (126.1 mi) E of Nakashibetsu, Japan 502.0 km (311.3 mi) E of Sapporo, Japan
Location Uncertainty	Horizontal: 12.0 km; Vertical 7.2 km
Parameters	Nph = 67; Dmin = 392.2 km; Rmss = 1.35 seconds; Gp = 185° Version =
Event ID	us 6000rw9k

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2025-12-21 00:22:24 (M5.0) Kuril Islands 43.6 147.8 (70fa9)

M5.0 Earthquake - Kuril Islands

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 21 Dec 2025 00:22:24 Time near the Epicenter (1): 21 Dec 2025 11:22:24 Time in your area (1): 21 Dec 2025 05:52:24
Location	43.640N 147.842E
Depth	34 km
Distances	92.0 km (57.0 mi) ESE of Shikotan, Russia 186.7 km (115.8 mi) E of Nemuro, Japan 218.6 km (135.5 mi) E of Shibetsu, Japan 231.9 km (143.8 mi) E of Nakashibetsu, Japan 530.0 km (328.6 mi) E of Sapporo, Japan
Location Uncertainty	Horizontal: 10.7 km; Vertical 4.7 km
Parameters	Nph = 81; Dmin = 423.6 km; Rmss = 0.78 seconds; Gp = 110° Version =
Event ID	us 6000rw90

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2025-12-21 00:19:00 (M5.0) east of the Kuril Islands 43.3 148.0 (70fa9)

M5.0 Earthquake - east of the Kuril Islands

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 21 Dec 2025 00:19:01 Time near the Epicenter (1): 21 Dec 2025 11:19:01 Time in your area (1): 21 Dec 2025 05:49:01
Location	43.316N 148.037E
Depth	10 km
Distances	119.1 km (73.8 mi) ESE of Shikotan, Russia 199.7 km (123.8 mi) E of Nemuro, Japan 238.1 km (147.6 mi) E of Shibetsu, Japan 249.5 km (154.7 mi) E of Nakashibetsu, Japan 544.1 km (337.4 mi) E of Sapporo, Japan
Location Uncertainty	Horizontal: 6.9 km; Vertical 1.9 km
Parameters	Nph = 85; Dmin = 425.5 km; Rmss = 1.00 seconds; Gp = 102° Version =
Event ID	us 6000rw8v

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2025-12-20 20:30:24 (M5.2) Chile-Bolivia border region -20.1 -68.1 (70fa9)

M5.2 Earthquake - Chile-Bolivia border region

Preliminary Report

Magnitude	5.2
Date-Time	Universal Time (UTC): 20 Dec 2025 20:30:25 Time near the Epicenter (1): 20 Dec 2025 16:30:25 Time in your area (1): 21 Dec 2025 02:00:25
Location	20.146S 68.080W
Depth	156 km
Distances	112.6 km (69.8 mi) SSE of Colchane, Chile 121.1 km (75.1 mi) W of Colchani, Bolivia 135.6 km (84.1 mi) WNW of Uyuni, Bolivia 212.0 km (131.5 mi) E of Alto Hospicio, Chile 216.5 km (134.2 mi) E of Iquique, Chile
Location Uncertainty	Horizontal: 6.9 km; Vertical 7.0 km
Parameters	Nph = 58; Dmin = 112.1 km; Rmss = 1.05 seconds; Gp = 39° Version =
Event ID	us 6000rw89

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