Incidents on 20 December 2025

M4.0 Earthquake — 5 km SSE of San Ramon, CA 03:56 UTC · United States · USGS Severe M3.8 Earthquake — 5 km SSE of San Ramon, CA 03:49 UTC · United States · USGS Severe M4.8 Earthquake — 91 km ESE of Shikotan, Russia 23:46 UTC · Russia · USGS Moderate M4.5 Earthquake — Balleny Islands region 20:50 UTC · USGS Moderate M4.5 Earthquake — south of Africa 20:31 UTC · USGS Moderate M5.3 Earthquake — 108 km SSE of Colchane, Chile 20:30 UTC · Bolivia · USGS Moderate M4.9 Earthquake — 99 km SSW of Houma, Tonga 19:08 UTC · Tonga · USGS Moderate M4.6 Earthquake — 159 km SSW of Pagar Alam, Indonesia 13:13 UTC · Indonesia · USGS Moderate M5.2 Earthquake — 70 km SSE of Nemuro, Japan 12:58 UTC · Japan · USGS Moderate M4.8 Earthquake — 75 km SE of Nemuro, Japan 12:33 UTC · Japan · USGS Moderate M5.2 Earthquake — 78 km SSE of Nemuro, Japan 12:30 UTC · Japan · USGS Moderate M5.0 Earthquake — 126 km W of Gorontalo, Indonesia 10:33 UTC · Indonesia · USGS Moderate M5.3 Earthquake — Balleny Islands region 10:25 UTC · USGS Moderate M4.6 Earthquake — Kermadec Islands region 07:31 UTC · Tonga · USGS Moderate M5.6 Earthquake — Balleny Islands region 06:57 UTC · USGS Moderate M4.5 Earthquake — 24 km NE of Santa Monica, Philippines 05:52 UTC · Philippines · USGS Moderate M2.9 Earthquake — 4 km SE of San Ramon, CA 04:10 UTC · United States · USGS Moderate M4.9 Earthquake — 182 km SE of Vilyuchinsk, Russia 00:24 UTC · Russia · USGS Moderate M4.0 Earthquake — 12 km WSW of Amorgós, Greece 23:13 UTC · Greece · USGS Minor M4.3 Earthquake — 147 km E of Masamba, Indonesia 22:59 UTC · Indonesia · USGS Minor M3.2 Earthquake — 62 km SE of Adak, Alaska 22:51 UTC · USGS Minor M2.5 Earthquake — 95 km N of Yakutat, Alaska 22:29 UTC · Canada · USGS Minor M2.8 Earthquake — 77 km SSW of Adak, Alaska 22:20 UTC · USGS Minor M3.1 Earthquake — 25 km ESE of Wright, Wyoming 21:35 UTC · United States · USGS Minor M4.3 Earthquake — 45 km SW of Ialibu, Papua New Guinea 21:20 UTC · Papua New Guinea · USGS Minor M2.6 Earthquake — 104 km SSE of Akutan, Alaska 21:01 UTC · USGS Minor M2.8 Earthquake — 63 km WSW of Anchor Point, Alaska 20:57 UTC · USGS Minor M4.2 Earthquake — 14 km WSW of Punta de Bombón, Peru 20:11 UTC · Peru · USGS Minor M2.7 Earthquake — 97 km S of Sand Point, Alaska 20:00 UTC · USGS Minor M2.9 Earthquake — 210 km S of Atka, Alaska 19:53 UTC · USGS Minor M4.0 Earthquake — 37 km ENE of Palca, Peru 19:25 UTC · Peru · USGS Minor M4.1 Earthquake — South Sandwich Islands region 18:27 UTC · USGS Minor M2.7 Earthquake — 108 km N of Yakutat, Alaska 17:14 UTC · Canada · USGS Minor M4.0 Earthquake — 90 km W of Tobelo, Indonesia 16:49 UTC · Indonesia · USGS Minor M4.2 Earthquake — 106 km N of Yakutat, Alaska 16:36 UTC · Canada · USGS Minor M3.8 Earthquake — 111 km N of Yakutat, Alaska 16:36 UTC · Canada · USGS Minor M4.3 Earthquake — Balleny Islands region 16:20 UTC · USGS Minor M3.3 Earthquake — 153 km WSW of Adak, Alaska 16:18 UTC · USGS Minor M2.6 Earthquake — 4 km SE of San Ramon, CA 16:10 UTC · United States · USGS Minor M4.1 Earthquake — 95 km W of San Jose Village, Northern Mariana Islands 15:51 UTC · Palau · USGS Minor M3.3 Earthquake — 263 km W of Adak, Alaska 14:45 UTC · United States · USGS Minor M3.8 Earthquake — 48 km NNW of Dededo Village, Guam 14:32 UTC · Palau · USGS Minor M2.7 Earthquake — 82 km ESE of King Cove, Alaska 14:25 UTC · USGS Minor M4.3 Earthquake — off the coast of Oregon 14:05 UTC · USGS Minor M2.8 Earthquake — 9 km S of Ojai, CA 14:01 UTC · United States · USGS Minor M4.4 Earthquake — 223 km SSE of Vilyuchinsk, Russia 13:40 UTC · Russia · USGS Minor M2.7 Earthquake — 8 km S of Ojai, CA 12:47 UTC · United States · USGS Minor M4.1 Earthquake — 25 km SSW of Puerto Cortés, Costa Rica 12:43 UTC · Costa Rica · USGS Minor M2.7 Earthquake — 69 km SSW of Adak, Alaska 12:10 UTC · USGS Minor M2.6 Earthquake — 16 km SW of Lakeport, CA 10:56 UTC · United States · USGS Minor M4.3 Earthquake — 70 km N of Ternate, Indonesia 10:40 UTC · Indonesia · USGS Minor M2.5 Earthquake — 121 km N of Yakutat, Alaska 10:29 UTC · Canada · USGS Minor M3.0 Earthquake — 102 km SSE of Sand Point, Alaska 09:54 UTC · USGS Minor M3.4 Earthquake — 117 km N of Yakutat, Alaska 09:39 UTC · Canada · USGS Minor M2.8 Earthquake — 71 km W of Petrolia, CA 08:28 UTC · United States · USGS Minor M3.3 Earthquake — 20 km NE of San Lucas, CA 07:51 UTC · United States · USGS Minor M4.1 Earthquake — south of the Fiji Islands 07:12 UTC · Fiji · USGS Minor M3.1 Earthquake — 48 km N of Culebra, Puerto Rico 07:10 UTC · Saint Kitts and Nevis · USGS Minor M2.7 Earthquake — 69 km S of Kokhanok, Alaska 06:59 UTC · United States · USGS Minor M2.9 Earthquake — 90 km SSW of Alberto Oviedo Mota, B.C., MX 06:42 UTC · Mexico · USGS Minor M4.3 Earthquake — 61 km NE of Calingasta, Argentina 06:29 UTC · Argentina · USGS Minor M2.5 Earthquake — 99 km N of Yakutat, Alaska 06:23 UTC · Canada · USGS Minor M4.2 Earthquake — south of the Fiji Islands 05:55 UTC · Fiji · USGS Minor M4.3 Earthquake — 55 km ESE of Shikotan, Russia 05:33 UTC · Russia · USGS Minor M4.3 Earthquake — 8 km NW of Jand, Pakistan 04:37 UTC · Pakistan · USGS Minor M2.5 Earthquake — 5 km N of Dublin, CA 03:57 UTC · United States · USGS Minor M4.3 Earthquake — 75 km NNE of Kilindoni, Tanzania 03:29 UTC · Tanzania · USGS Minor M3.2 Earthquake — 54 km ENE of Ferry, Alaska 02:59 UTC · United States · USGS Minor M4.4 Earthquake — 186 km SE of Vilyuchinsk, Russia 02:50 UTC · Russia · USGS Minor M3.6 Earthquake — 61 km SE of Unalaska, Alaska 01:16 UTC · USGS Minor

1987 In the worst peacetime sea disaster, the passenger ferry Doña Paz sinks after colliding with the oil tanker MT Vector in the Tablas Strait of the Philippines, killing an estimated 4,000 people (1,749 official). 1984 The Summit Tunnel fire, one of the largest transportation tunnel fires in history, burns after a freight train carrying over one million liters of gasoline derails near the town of Todmorden, England, in the Pennines. 1973 Assassination of Luis Carrero Blanco: A car bomb planted by ETA in Madrid kills three people, including the Prime Minister of Spain, Admiral Luis Carrero Blanco. 1946 An earthquake in Nankaidō, Japan causes a tsunami which kills at least one thousand people and destroys 36,000 homes. 1942 World War II: Japanese air forces bomb Calcutta, India. 1848 French presidential election: Having won the popular vote in a landslide, Louis Napoleon Bonaparte is inaugurated in the chamber of the National Assembly as the first (and only) president of the French Second Republic.