World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 21 Sep 2026 Number in brackets indicate nr of quakes.Quakes detected near: Alaska Peninsula Arc at 155.4°W (6 quakes between mag 1.0-2.0), Atitlán (1 quake mag 1.9), Balut (5 quakes between mag 1.6-2.1), Clear Lake (24 quakes between mag 0.2-2.1), Coso (2 quakes between mag 1.0-1.3), Cotopaxi (1 quake mag 2.8)Daisen (1 quake mag 3.3), Denison (3 quakes between mag 1.0-2.6), Eldey (2 quakes between mag 0.9-1.5), Flores (3 quakes between mag 1.0-2.0), Hekla (2 quakes between mag 0.0-1.4), Hrómundartindur (6 quakes between mag 0.1-1.3), Irazu (42 quakes between mag 0.6-2.9), Kanlaon (1 quake mag 2.1), Kilauea (3 quakes between mag 2.2-2.4), Kolumbo (1 quake mag 1.6), Mayon (1 quake mag 1.4), Paluweh (1 quake mag 2.6), Papandayan (1 quake mag 2.9), Piton de la Fournaise (1 quake mag 1.2), Salton Buttes (2 quakes between mag 1.1-1.1), Tecuamburro (2 quakes between mag 2.2-2.3), Tenorio (1 quake mag 1.2), Torfajökull (2 quakes between mag 0.0-1.0), Turrialba (1 quake mag 1.5), Ubehebe Craters (1 quake mag 1.8) (updated 00h50)\n\nNote: Earthquakes within 20 km from and at depths less than 50 km under active volcanoes are reported. The list is not complete because many volcanoes are not monitored and/or seismic data in high resolution is not available publicly.\nVolcanoes with recent earthquakes above magnitude 2 or more than 10 quakes are listed below:Balut volcano (Mindanao): 5 earthquakes up to magnitude 2.15 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 1 hour 43 minutes ago. Hypocenter depths ranged between 33.00 and 24.00 km.Earthquake details: 2.1 quake Philippine Sea, 14 km south of Sarangani Island, Philippines, Sep 21, 2026 04:57 am (GMT +8) (12 km SE)2.1 quake Celebes Sea, 19 km west of Sarangani Island, Philippines, Sep 20, 2026 05:40 pm (GMT +8) (7 km W)1.9 quake Philippine Sea, 9 km west of Sarangani Island, Philippines, Sep 21, 2026 01:05 am (GMT +8) (8 km NNE)1.9 quake Davao Occidental, Davao, Philippines, Sep 20, 2026 11:18 pm (GMT +8) (3 km WSW)1.6 quake Philippine Sea, 15 km northwest of Sarangani Island, Philippines, Sep 21, 2026 07:07 am (GMT +8) (14 km N)All earthquakes at BalutBalut is an 840 m island stratovolcano south of Mindanao whose last known eruption occurred between about 2 million and 11,700 years ago. Hot springs and thermally altered ground occur on its western and southwestern flanks.Clear Lake volcano (California): 24 earthquakes up to magnitude 2.1Possible earthquake swarm: 24 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 28 minutes ago. Hypocenter depths ranged between 3.47 and 1.51 km.Earthquake details: (only 5 largest)2.1 quake 19 mi north of Windsor, Sonoma County, California, United States, Sep 20, 2026 10:03 am (GMT -7) (18 km SSW)1.8 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Sep 20, 2026 01:37 pm (GMT -7) (16 km SSW)1.4 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Sep 20, 2026 01:12 am (GMT -7) (18 km SSW)1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Sep 20, 2026 02:16 pm (GMT -7) (16 km S)1.2 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Sep 20, 2026 03:10 am (GMT -7) (18 km S)All earthquakes at Clear LakeCotopaxi volcano (Ecuador): magnitude 2.8 earthquakeA magnitude 2.8 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.00 km depth at 12 km distance N from the volcano.Earthquake details: 2.8 quake 39 km south of Quito, Provincia de Pichincha, Ecuador, Sep 20, 2026 02:41 pm (GMT -5) (12 km N)All earthquakes at CotopaxiDaisen volcano (Honshu): magnitude 3.3 earthquakeA magnitude 3.3 earthquake occurred at the volcano 1 hour 1 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 16 km distance ESE from the volcano.Earthquake details: 3.3 quake 22 km north of Maniwa, Okayama-ken, Japan, Sep 21, 2026 08:49 am (GMT +9) (16 km ESE)All earthquakes at DaisenDaisen is a stratovolcano in southwestern Honshu that produced large explosive eruptions more than 12,000 years ago. No eruptions are known during approximately the past 12,000 years.Denison volcano (Alaska Peninsula): 3 earthquakes up to magnitude 2.63 earthquakes occurred near (under) the volcano during 3 minutes, the last being recorded quake 24 hours ago. Hypocenter depths ranged between 7.20 and 5.00 km.Earthquake details: 2.6 quake Lake and Peninsula Borough, 86 mi northwest of Kodiak, Kodiak Island Borough, Alaska, United States, Sep 19, 2026 05:12 pm (GMT -8) (4 km SSW)1.2 quake Lake and Peninsula Borough, 86 mi northwest of Kodiak, Kodiak Island Borough, Alaska, United States, Sep 19, 2026 05:14 pm (GMT -8) (3 km SSW)1.0 quake Lake and Peninsula Borough, 87 mi northwest of Kodiak, Kodiak Island Borough, Alaska, United States, Sep 20, 2026 01:15 am (Universal Time) (3 km SW)All earthquakes at DenisonDenison is a largely ice-covered stratovolcano in Alaska’s Katmai National Park. Its last activity has not been dated, and no eruptions are known from approximately the past 12,000 years.Irazu volcano (Costa Rica): 42 earthquakes up to magnitude 2.9Possible earthquake swarm: 42 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 1 hour 17 minutes ago. Hypocenter depths ranged between 17.00 and 0.00 km.Earthquake details: (only 5 largest)2.9 quake Provincia de Cartago, 24 km east of San Jose, Provincia de San Jose, Costa Rica, Sep 20, 2026 04:59 pm (GMT -6) (3 km SW)2.8 quake Provincia de Cartago, 22 km east of San Jose, Provincia de San Jose, Costa Rica, Sep 20, 2026 06:56 am (GMT -6) (4 km SW)2.7 quake 22 km east of San Jose, Provincia de San Jose, Costa Rica, Sep 20, 2026 04:58 pm (GMT -6) (5 km WSW)2.7 quake 24 km east of San Jose, Provincia de San Jose, Costa Rica, Sep 20, 2026 07:58 am (GMT -6) (3 km SSW)2.6 quake Provincia de Cartago, 24 km east of San Jose, Provincia de San Jose, Costa Rica, Sep 20, 2026 06:36 am (GMT -6) (3 km SW)All earthquakes at IrazuIrazú is an explosive stratovolcano immediately east of San José, Costa Rica. Its major 1963-65 eruption caused widespread ashfall and severe disruption, while its last confirmed eruption occurred in 1977.Kanlaon volcano (Central Philippines): magnitude 2.1 earthquakeA magnitude 2.1 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.00 km depth at 3 km distance NNE from the volcano.Earthquake details: 2.1 quake 24 km east of La Carlota, Philippines, Sep 21, 2026 03:49 am (GMT +8) (3 km NNE)All earthquakes at KanlaonKanlaon is a 2,422-m-high stratovolcano and the highest point on the Philippine island of Negros. Its frequently explosive historical activity includes a deadly 1996 eruption and stronger eruptions during 2024-26.Kilauea volcano (Hawai'i (Big Island)): 3 earthquakes up to magnitude 2.43 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 29.73 and 1.45 km.Earthquake details: 2.4 quake 36 mi southwest of Hilo, Hawaii County, Hawaii, United States, Sep 20, 2026 12:13 pm (GMT -10) (19 km WSW)2.3 quake 26 mi southwest of Hilo, Hawaii County, Hawaii, United States, Sep 19, 2026 04:17 pm (GMT -10) (5 km SE)2.2 quake 8.4 mi northeast of Pāhala, Hawaii County, Hawaii, United States, Sep 20, 2026 10:36 am (GMT -10) (18 km SW)All earthquakes at KilaueaPaluweh volcano (Lesser Sunda Islands): magnitude 2.6 earthquakeA magnitude 2.6 earthquake occurred at the volcano 52 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 14.00 km depth at 18 km distance WNW from the volcano.Earthquake details: 2.6 quake Flores Sea, 64 km north of Ende, Kabupaten Ende, East Nusa Tenggara, Indonesia, Sep 21, 2026 07:57 am (GMT +8) (18 km WNW)All earthquakes at PaluwehPaluweh is an island-forming stratovolcano north of Flores, Indonesia. Its major eruptions include a destructive, tsunami-producing event in 1928 and deadly pyroclastic flows in 2013.Papandayan volcano (West Java): magnitude 2.9 earthquakeA magnitude 2.9 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 16 km distance NW from the volcano.Earthquake details: 2.9 quake 20 km east of Banjar, Kabupaten Bandung, Jawa Barat, Indonesia, Sep 21, 2026 04:33 am (GMT +7) (16 km NW)All earthquakes at PapandayanPapandayan is an active Indonesian stratovolcano whose 1772 eruption and flank collapse destroyed 40 villages and killed almost 3,000 people. Its crater complex remains marked by strong fumarolic activity.Tecuamburro volcano (Guatemala): 2 earthquakes up to magnitude 2.32 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 15.60 and 7.00 km.Earthquake details: 2.3 quake 16 km south of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 20, 2026 12:38 pm (GMT -6) (16 km E)2.2 quake 16 km south of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 20, 2026 06:38 am (GMT -6) (16 km E)All earthquakes at TecuamburroTecuamburro is a forested stratovolcano and lava-dome complex in Guatemala. Its only dated eruption, about 2,900 years ago, formed the Laguna Ixpaco tuff ring.