From: mailto: == PRELIMINARY REPORT == Event type: Earthquake Region: southern Mid-Atlantic Ridge Geographic coordinates: 43.780S, 16.313W Magnitude: 5.0 Depth: 10 km Universal Time (UTC): 16 Dec 2025 13:45:26 Time near the Epicenter (1): 16 Dec 2025 12:45:26 Time in your area (1): 16 Dec 2025 23:45:26 Location with respect to nearby cities: 818.8 km (507.6 mi) ...Continue Reading

From: mailto: == PRELIMINARY REPORT == Event type: Earthquake Region: southern Mid-Atlantic Ridge Geographic coordinates: 43.724S, 16.270W Magnitude: 5.1 Depth: 10 km Universal Time (UTC): 16 Dec 2025 13:44:15 Time near the Epicenter (1): 16 Dec 2025 12:44:15 Time in your area (1): 16 Dec 2025 23:44:15 Location with respect to nearby cities: 811.7 km (503.3 mi) ...Continue Reading

From: mailto: == PRELIMINARY REPORT == Event type: Earthquake Region: Solomon Islands Geographic coordinates: 11.703S, 163.373E Magnitude: 5.3 Depth: 10 km Universal Time (UTC): 16 Dec 2025 09:18:45 Time near the Epicenter (1): 16 Dec 2025 20:18:45 Time in your area (1): 16 Dec 2025 19:18:45 Location with respect to nearby cities: 210.4 km (130.4 mi) SE of Kiraki ...Continue Reading

From: mailto: == PRELIMINARY REPORT == Event type: Earthquake Region: off the east coast of Honshu, Japan Geographic coordinates: 40.888N, 143.011E Magnitude: 5.1 Depth: 10 km Universal Time (UTC): 16 Dec 2025 05:38:48 Time near the Epicenter (1): 16 Dec 2025 16:38:48 Time in your area (1): 16 Dec 2025 15:38:48 Location with respect to nearby cities: 130.9 km (81 ...Continue Reading

From: mailto: == PRELIMINARY REPORT == Event type: Earthquake Region: Ionian Sea Geographic coordinates: 37.476N, 20.230E Magnitude: 5.3 Depth: 13 km Universal Time (UTC): 15 Dec 2025 23:41:48 Time near the Epicenter (1): 16 Dec 2025 00:41:48 Time in your area (1): 16 Dec 2025 09:41:48 Location with respect to nearby cities: 59.5 km (36.9 mi) WSW of Lithaki&Atil ...Continue Reading

From: mailto: == PRELIMINARY REPORT == Event type: Earthquake Region: Rota region, Northern Mariana Islands Geographic coordinates: 14.350N, 145.839E Magnitude: 5.7 Depth: 99 km Universal Time (UTC): 15 Dec 2025 23:06:15 Time near the Epicenter (1): 16 Dec 2025 10:06:15 Time in your area (1): 16 Dec 2025 09:06:15 Location with respect to nearby cities: 72.4 km (4 ...Continue Reading

From: mailto: == PRELIMINARY REPORT == Event type: Earthquake Region: Southwest Indian Ridge Geographic coordinates: 28.305S, 62.794E Magnitude: 5.0 Depth: 10 km Universal Time (UTC): 15 Dec 2025 19:48:31 Time near the Epicenter (1): 15 Dec 2025 23:48:31 Time in your area (1): 16 Dec 2025 05:48:31 Location with respect to nearby cities: 955.8 km (592.6 mi) S of ...Continue Reading

From: mailto: == PRELIMINARY REPORT == Event type: Earthquake Region: off the east coast of the Kamchatka Peninsula, Russia Geographic coordinates: 51.714N, 161.248E Magnitude: 5.7 Depth: 35 km Universal Time (UTC): 15 Dec 2025 19:33:08 Time near the Epicenter (1): 16 Dec 2025 07:33:08 Time in your area (1): 16 Dec 2025 05:33:08 Location with respect to nearby ci ...Continue Reading

From: mailto: == PRELIMINARY REPORT == ***This event supersedes event AK2025yqeqgg. Event type: Earthquake Region: Andreanof Islands, Aleutian Islands, Alaska Geographic coordinates: 51.518N, 176.454W Magnitude: 5.0 Depth: 56 km Universal Time (UTC): 15 Dec 2025 18:03:53 Time near the Epicenter (1): 15 Dec 2025 08:03:53 Time in your area (1): 16 Dec 2025 04:03:53 ...Continue Reading

From: mailto: == PRELIMINARY REPORT == Event type: Earthquake Region: Andreanof Islands, Aleutian Islands, Alaska Geographic coordinates: 51.416N, 176.377W Magnitude: 5.3 Depth: 4 km Universal Time (UTC): 15 Dec 2025 18:03:52 Time near the Epicenter (1): 15 Dec 2025 08:03:52 Time in your area (1): 16 Dec 2025 04:03:52 Location with respect to nearby cities: 54.0 ...Continue Reading