Incidents on 21 August 2025

M4.7 Earthquake — northern Mid-Atlantic Ridge 23:31 UTC · USGS Moderate M4.5 Earthquake — 45 km SE of Ōfunato, Japan 23:06 UTC · Japan · USGS Moderate M5.6 Earthquake — 62 km SE of Ōfunato, Japan 22:34 UTC · Japan · USGS Moderate M4.7 Earthquake — 267 km SSE of Ushuaia, Argentina 22:34 UTC · Argentina · USGS Moderate M4.8 Earthquake — 85 km S of Severo-Kuril’sk, Russia 21:37 UTC · Russia · USGS Moderate M4.5 Earthquake — 166 km SSE of Vilyuchinsk, Russia 20:17 UTC · Russia · USGS Moderate M4.8 Earthquake — 192 km SSE of Vilyuchinsk, Russia 19:40 UTC · Russia · USGS Moderate M4.7 Earthquake — 187 km ENE of Petropavlovsk-Kamchatsky, Russia 18:57 UTC · Russia · USGS Moderate M4.9 Earthquake — 165 km SE of Petropavlovsk-Kamchatsky, Russia 17:16 UTC · Russia · USGS Moderate M4.9 Earthquake — 162 km SE of Petropavlovsk-Kamchatsky, Russia 17:16 UTC · Russia · USGS Moderate M4.8 Earthquake — 166 km SE of Vilyuchinsk, Russia 14:42 UTC · Russia · USGS Moderate M5.0 Earthquake — 125 km SW of Kokopo, Papua New Guinea 14:06 UTC · Papua New Guinea · USGS Moderate M4.6 Earthquake — 89 km W of Abepura, Indonesia 13:19 UTC · Indonesia · USGS Moderate M5.8 Earthquake — 165 km SE of Vilyuchinsk, Russia 11:21 UTC · Russia · USGS Moderate M4.5 Earthquake — 98 km SSE of Severo-Kuril’sk, Russia 10:13 UTC · Russia · USGS Moderate M4.6 Earthquake — 19 km ENE of Yujing, Taiwan 08:37 UTC · Taiwan · USGS Moderate M4.7 Earthquake — 126 km NNW of Lautoka, Fiji 08:03 UTC · Fiji · USGS Moderate M2.9 Earthquake — 2 km ESE of Mount Vernon, Washington 08:01 UTC · United States · USGS Moderate M4.7 Earthquake — 182 km WNW of Abepura, Indonesia 07:59 UTC · Indonesia · USGS Moderate M2.7 Earthquake — 7 km SSW of Yountville, CA 06:39 UTC · United States · USGS Moderate M4.5 Earthquake — 51 km NNE of Saipan, Northern Mariana Islands 05:57 UTC · Palau · USGS Moderate M4.5 Earthquake — 146 km SE of Severo-Kuril’sk, Russia 05:35 UTC · Russia · USGS Moderate M4.5 Earthquake — South Sandwich Islands region 03:58 UTC · USGS Moderate M4.7 Earthquake — 159 km SSW of Cabeza de Toro, Mexico 03:49 UTC · Mexico · USGS Moderate M4.9 Earthquake — 184 km SE of Vilyuchinsk, Russia 03:44 UTC · Russia · USGS Moderate M4.5 Earthquake — 93 km S of Severo-Kuril’sk, Russia 03:05 UTC · Russia · USGS Moderate M4.6 Earthquake — 70 km S of Thongwa, Burma (Myanmar) 02:58 UTC · Myanmar · USGS Moderate M4.5 Earthquake — 85 km SSW of Merizo Village, Guam 02:42 UTC · Palau · USGS Moderate M4.7 Earthquake — 50 km ESE of Shimoda, Japan 01:44 UTC · Japan · USGS Moderate M4.7 Earthquake — 21 km N of Finschhafen, Papua New Guinea 01:24 UTC · Papua New Guinea · USGS Moderate M4.7 Earthquake — 178 km SE of Vilyuchinsk, Russia 00:43 UTC · Russia · USGS Moderate M4.5 Earthquake — 27 km S of Basay, Philippines 00:43 UTC · Philippines · USGS Moderate M4.3 Earthquake — 12 km NNE of Maliana, Timor Leste 22:40 UTC · Timor-Leste · USGS Minor M4.2 Earthquake — 228 km SE of Severo-Kuril’sk, Russia 22:14 UTC · Russia · USGS Minor M3.0 Earthquake — 8 km W of Huxley, Texas 21:14 UTC · United States · USGS Minor M4.3 Earthquake — 71 km SE of Vilyuchinsk, Russia 21:06 UTC · Russia · USGS Minor M4.1 Earthquake — 161 km ESE of Severo-Kuril’sk, Russia 20:48 UTC · Russia · USGS Minor M4.0 Earthquake — 74 km ENE of Petropavlovsk-Kamchatsky, Russia 20:32 UTC · Russia · USGS Minor M2.9 Earthquake — 217 km W of Adak, Alaska 19:53 UTC · USGS Minor M4.1 Earthquake — 198 km SSE of Vilyuchinsk, Russia 19:11 UTC · Russia · USGS Minor M4.3 Earthquake — Bonin Islands, Japan region 18:51 UTC · Japan · USGS Minor M4.1 Earthquake — 212 km ESE of Severo-Kuril’sk, Russia 18:44 UTC · Russia · USGS Minor M3.0 Earthquake — 13 km ENE of Wright, Wyoming 17:21 UTC · United States · USGS Minor M2.7 Earthquake — 234 km S of Sand Point, Alaska 16:05 UTC · USGS Minor M4.4 Earthquake — 42 km NNW of Labuan Bajo, Indonesia 14:57 UTC · Indonesia · USGS Minor M4.0 Earthquake — 5 km SW of Kyzyl-Burun, Azerbaijan 13:17 UTC · Azerbaijan · USGS Minor M2.9 Earthquake — 101 km SSE of Sand Point, Alaska 11:20 UTC · USGS Minor M2.7 Earthquake — 12 km NW of Pinnacles, CA 10:35 UTC · United States · USGS Minor M4.4 Earthquake — 81 km WSW of Vallenar, Chile 10:18 UTC · Chile · USGS Minor M2.6 Earthquake — 12 km NE of Coalinga, CA 10:09 UTC · United States · USGS Minor M3.6 Earthquake — 39 km SSE of Boca de Yuma, Dominican Republic 09:19 UTC · Dominican Republic · USGS Minor M2.6 Earthquake — 111 km SSE of Sand Point, Alaska 09:09 UTC · USGS Minor M4.2 Earthquake — 47 km S of Ollagüe, Chile 09:08 UTC · Chile · USGS Minor M3.3 Earthquake — 3 km SSW of Pāhala, Hawaii 08:59 UTC · United States · USGS Minor M4.2 Earthquake — 39 km S of Ollagüe, Chile 08:57 UTC · Chile · USGS Minor M4.3 Earthquake — 195 km SSE of Vilyuchinsk, Russia 07:16 UTC · Russia · USGS Minor M4.3 Earthquake — 180 km SE of Vilyuchinsk, Russia 07:09 UTC · Russia · USGS Minor M2.7 Earthquake — 120 km E of Atka, Alaska 07:02 UTC · USGS Minor M4.2 Earthquake — 48 km ENE of Palca, Peru 06:52 UTC · Chile · USGS Minor M4.4 Earthquake — 5 km S of Santiago Jocotepec, Mexico 06:35 UTC · Mexico · USGS Minor M2.7 Earthquake — 1 km S of Guánica, Puerto Rico 06:29 UTC · Dominican Republic · USGS Minor M2.8 Earthquake — 58 km S of Whites City, New Mexico 04:20 UTC · United States · USGS Minor M3.5 Earthquake — 56 km S of Whites City, New Mexico 04:00 UTC · United States · USGS Minor M3.1 Earthquake — 56 km S of Whites City, New Mexico 03:50 UTC · United States · USGS Minor M4.3 Earthquake — 47 km SE of Severo-Kuril’sk, Russia 03:29 UTC · Russia · USGS Minor M2.9 Earthquake — 120 km SSE of Sand Point, Alaska 03:12 UTC · USGS Minor M4.4 Earthquake — 79 km SW of Merizo Village, Guam 03:09 UTC · Palau · USGS Minor M3.9 Earthquake — 123 km SSE of Boca de Yuma, Dominican Republic 01:55 UTC · Dominican Republic · USGS Minor M2.6 Earthquake — 228 km SSE of Adak, Alaska 01:12 UTC · USGS Minor M2.5 Earthquake — 46 km NW of Toyah, Texas 00:58 UTC · United States · USGS Minor M2.6 Earthquake — 15 km WSW of Petrolia, CA 00:24 UTC · United States · USGS Minor M3.6 Earthquake — 103 km N of Cruz Bay, U.S. Virgin Islands 00:04 UTC · United States · USGS Minor

Stampin resettlement scheme to get urgent flood mitigation, says Wilfred Yap 04:18 UTC · Malaysia · GNEWS Minor

1988 The 6.9 Mw Nepal earthquake shakes the Nepal–India border with a maximum Mercalli intensity of VIII (Severe), leaving 709–1,450 people killed and thousands injured. 1971 A bomb exploded in the Liberal Party campaign rally in Plaza Miranda, Manila, Philippines with several anti-Marcos political candidates injured. 1963 Xá Lợi Pagoda raids: The Army of the Republic of Vietnam Special Forces loyal to Ngô Đình Nhu, brother of President Ngo Dinh Diem, vandalizes Buddhist pagodas across the country, arresting thousands and leaving an estimated hundreds dead. 1883 An F5 tornado strikes Rochester, Minnesota, leading to the creation of the Mayo Clinic.