World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 23 Apr 2026 Number in brackets indicate nr of quakes.Quakes detected near: Bardarbunga (9 quakes between mag 0.0-1.9), Bratan (1 quake mag 3.6), Brennisteinsfjöll (3 quakes between mag 0.3-1.0), Clear Lake (22 quakes between mag 0.2-1.6), Coatepeque (2 quakes between mag 1.9-2.0), El Chichón (3 quakes between mag 1.8-2.6)Eldey (3 quakes between mag 0.9-1.1), Hekla (6 quakes between mag 0.1-1.4), Hengill (7 quakes between mag 0.1-1.4), Hrómundartindur (5 quakes between mag 0.1-1.6), Hulubelu (2 quakes between mag 2.6-2.7), Kilauea (1 quake mag 1.7), Kolumbo (1 quake mag 1.8), La Palma (1 quake mag 1.5), Loihi (2 quakes between mag 1.8-2.0), Masaya (3 quakes between mag 1.8-2.5), Nisyros (2 quakes between mag 2.0-2.3), Prestahnukur (2 quakes between mag 0.5-1.1), Santo Tomas (1 quake mag 2.6), Sousaki (1 quake mag 1.6), Stepovak Bay 4 (1 quake mag 3.5), Süphan Dağ (10 quakes between mag 1.0-4.3), Tambora (1 quake mag 2.1), Tenerife (7 quakes between mag 0.9-1.3), Terceira (1 quake mag 2.4), Tjörnes Fracture Zone (11 quakes between mag 0.0-1.0), Vulcano (2 quakes between mag 1.5-1.9) (updated 00h50) Note: 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.Volcanoes with recent earthquakes above magnitude 2 or more than 10 quakes are listed below:Bratan volcano (Bali): magnitude 3.6 earthquakeA magnitude 3.6 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.00 km depth at 13 km distance WNW from the volcano.Earthquake details: 3.6 quake Kabupaten Buleleng, 52 km northwest of Denpasar, Indonesia, Apr 23, 2026 05:34 am (GMT +8) (13 km WNW)All earthquakes at BratanClear Lake volcano (California): 22 earthquakes up to magnitude 1.6Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 47 minutes ago. Hypocenter depths ranged between 4.16 and 0.53 km.Earthquake details: (only 5 largest)1.6 quake 12 mi southwest of Clearlake, Lake County, California, United States, Apr 22, 2026 02:24 am (GMT -7) (15 km S)1.6 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Apr 22, 2026 02:15 pm (GMT -7) (16 km SSW)1.3 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, Apr 22, 2026 08:23 am (GMT -7) (15 km S)1.1 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Apr 21, 2026 07:52 pm (GMT -7) (19 km SW)1.1 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Apr 22, 2026 05:30 am (GMT -7) (17 km S)All earthquakes at Clear LakeEl Chichón volcano (Southern Mexico): 3 earthquakes up to magnitude 2.63 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 15 hours ago. Hypocenter depths ranged between 3.00 and 3.00 km.Earthquake details: 2.6 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Apr 22, 2026 12:00 am (GMT -6) (1 km SSW)2.1 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Apr 21, 2026 10:36 pm (GMT -6) (0 km NNW)1.8 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Apr 22, 2026 04:01 am (GMT -6) (1 km N)All earthquakes at El ChichónHulubelu volcano (Sumatra): 2 earthquakes up to magnitude 2.72 earthquakes occurred near (under) the volcano during 83 seconds, the last being recorded quake 20 hours ago. Hypocenter depths ranged between 6.00 and 4.00 km.Earthquake details: 2.7 quake Kabupaten Tanggamus, 75 km west of Bandar Lampung, Indonesia, Apr 22, 2026 11:41 am (GMT +7) (1 km SE)2.6 quake Kabupaten Tanggamus, 75 km west of Bandar Lampung, Indonesia, Apr 22, 2026 11:42 am (GMT +7) (1 km ENE)All earthquakes at HulubeluMasaya volcano (Nicaragua): 3 earthquakes up to magnitude 2.53 earthquakes occurred near (under) the volcano during 1 hour 43 minutes, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 16.00 and 7.00 km.Earthquake details: 2.5 quake Departamento de Masaya, 15 km southeast of Managua, Nicaragua, Apr 22, 2026 03:35 pm (GMT -6) (10 km NNE)2.1 quake 7.8 km northwest of Masaya, Departamento de Masaya, Nicaragua, Apr 22, 2026 01:51 pm (GMT -6) (7 km NNE)1.8 quake Departamento de Masaya, 15 km southeast of Managua, Nicaragua, Apr 22, 2026 01:56 pm (GMT -6) (8 km NNE)All earthquakes at MasayaNisyros volcano (Greece): 2 earthquakes up to magnitude 2.32 earthquakes occurred near (under) the volcano during 64 seconds, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 10.20 and 7.00 km.Earthquake details: 2.3 quake Aegean Sea, 11 km north of Nisi Nisyros Island, Dodecanese, South Aegean, Greece, Apr 22, 2026 04:17 pm (GMT +3) (12 km NNW)2.0 quake Aegean Sea, 15 km north of Nisi Nisyros Island, Dodecanese, South Aegean, Greece, Apr 22, 2026 04:18 pm (GMT +3) (16 km N)All earthquakes at NisyrosSanto Tomas volcano (Luzon Island): magnitude 2.6 earthquakeA magnitude 2.6 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.00 km depth at 15 km distance SE from the volcano.Earthquake details: 2.6 quake 21 km south of Baguio, Philippines, Apr 22, 2026 03:27 pm (GMT +8) (15 km SE)All earthquakes at Santo TomasStepovak Bay 4 volcano (Alaska Peninsula): magnitude 3.5 earthquakeA magnitude 3.5 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 6 km distance NE from the volcano.Earthquake details: 3.5 quake 51 mi northeast of Sand Point, Aleutians East Borough, Alaska, United States, Apr 22, 2026 08:49 am (GMT -8) (6 km NE)All earthquakes at Stepovak Bay 4Süphan Dağ volcano (Turkey): 10 earthquakes up to magnitude 4.310 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 26.10 and 5.00 km.Earthquake details: (only 5 largest)4.3 quake Bitlis, 23 km south of Patnos, Agri, Turkey, Apr 22, 2026 05:17 pm (Istanbul time) (10 km N)2.6 quake 19 km northeast of Adilcevaz, Bitlis, Turkey, Apr 22, 2026 05:23 pm (GMT +3) (3 km NNW)2.2 quake Bitlis, 25 km south of Patnos, Agri, Turkey, Apr 22, 2026 06:48 pm (GMT +3) (8 km N)2.0 quake Bitlis, 27 km south of Patnos, Agri, Turkey, Apr 22, 2026 07:47 pm (GMT +3) (7 km NNE)1.9 quake 23 km northeast of Adilcevaz, Bitlis, Turkey, Apr 22, 2026 05:28 pm (Istanbul time) (6 km NNE)All earthquakes at Süphan DağTambora volcano (Sumbawa): 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 30.00 km depth at 19 km distance W from the volcano.Earthquake details: 2.1 quake Kabupaten Dompu, 53 km northeast of Sumbawa Besar, Indonesia, Apr 23, 2026 04:00 am (GMT +8) (19 km W)All earthquakes at TamboraTerceira volcano (Azores): magnitude 2.4 earthquakeA magnitude 2.4 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.80 km depth at 5 km distance ENE from the volcano.Earthquake details: 2.4 quake 11 km northwest of Angra do Heroismo, Azores, Portugal, Apr 22, 2026 07:36 pm (Universal Time) (5 km ENE)All earthquakes at TerceiraTjörnes Fracture Zone volcano (Iceland): 11 earthquakes up to magnitude 1.0Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 16 minutes ago. Hypocenter depths ranged between 10.00 and 0.00 km.Earthquake details: (only 5 largest)1.0 quake 10.6 km W of Kópasker Apr 22, 2026 01:17 am (Universal Time) (19 km E)0.9 quake 9.3 km W of Kópasker Apr 22, 2026 08:53 am (Universal Time) (19 km E)0.8 quake Iceland: 10.6 km W of Kópasker Apr 22, 2026 10:20 pm (Reykjavik time) (19 km E)0.8 quake 10.6 km W of Kópasker Apr 22, 2026 04:22 am (Universal Time) (19 km E)0.7 quake 10.0 km W of Kópasker Apr 22, 2026 04:16 am (Universal Time) (19 km E)All earthquakes at Tjörnes Fracture ZoneUnnamed 24.00°N/121.83°E volcano (Taiwan): magnitude 4.6 earthquakeA magnitude 4.6 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 24.70 km depth at 19 km distance W from the volcano.Earthquake details: 4.6 quake 6 km northeast of Hualien City, Taiwan, Apr 23, 2026 01:26 am (Taipei time) (19 km W)All earthquakes at Unnamed 24.00°N/121.83°E