World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 4 Sep 2026 Number in brackets indicate nr of quakes.Quakes detected near: Agua (1 quake mag 1.3), Askja (3 quakes between mag 0.4-1.1), Balut (4 quakes between mag 1.7-2.4), Cabalian (1 quake mag 2.0), Campi Flegrei (Phlegrean Fields) (2 quakes between mag 0.0-1.6), Churchill (1 quake mag 1.6)Clear Lake (15 quakes between mag 0.3-1.3), Conchagüita (1 quake mag 2.8), Coso (4 quakes between mag 0.7-1.4), Cuilapa-Barbarena (3 quakes between mag 2.0-2.2), Eldey (3 quakes between mag 0.9-1.5), Fagradalsfjall (1 quake mag 1.0), Gagak (1 quake mag 2.3), Gran Canaria (2 quakes between mag 1.5-2.2), Great Sitkin (4 quakes between mag 0.4-1.6), Irazu (1 quake mag 1.1), Katla (5 quakes between mag 0.6-1.7), Katmai (1 quake mag 2.1), Kilauea (2 quakes between mag 1.8-2.1), Kolumbo (1 quake mag 1.6), Ljósufjöll (1 quake mag 1.1), Loihi (9 quakes between mag 1.8-3.4), Long Valley (1 quake mag 1.3), Mount St. Helens (2 quakes between mag 0.5-1.6), Ngauruhoe (5 quakes between mag 0.6-1.7), Paluweh (2 quakes between mag 2.9-4.8), Poco Leok (1 quake mag 2.6), San Salvador (1 quake mag 2.0), Sousaki (1 quake mag 1.5), Tecuamburro (2 quakes between mag 1.0-1.5), Tjörnes Fracture Zone (3 quakes between mag 0.7-1.0), Torfajökull (5 quakes between mag 0.4-1.4), Trident (2 quakes between mag 0.6-1.1) (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): 4 earthquakes up to magnitude 2.44 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 31.00 and 24.00 km.Earthquake details: 2.4 quake Philippine Sea, 13 km northwest of Sarangani Island, Philippines, Sep 3, 2026 06:32 pm (GMT +8) (10 km N)1.9 quake Philippine Sea, 15 km west of Sarangani Island, Philippines, Sep 3, 2026 06:50 pm (GMT +8) (8 km NNW)1.9 quake Davao Occidental, Davao, Philippines, Sep 3, 2026 03:44 pm (GMT +8) (17 km WNW)1.7 quake Philippine Sea, 16 km northwest of Sarangani Island, Philippines, Sep 3, 2026 08:42 pm (GMT +8) (14 km NNW)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): 15 earthquakes up to magnitude 1.3Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 31 minutes ago. Hypocenter depths ranged between 3.55 and 0.67 km.Earthquake details: (only 5 largest)1.3 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Sep 3, 2026 04:37 am (GMT -7) (19 km S)1.1 quake Lake County, 27 mi north of Santa Rosa, Sonoma County, California, United States, Sep 3, 2026 05:18 pm (GMT -7) (16 km S)1.1 quake 25 mi north of Santa Rosa, Sonoma County, California, United States, Sep 3, 2026 02:26 pm (GMT -7) (19 km S)1.1 quake Lake County, 26 mi north of Santa Rosa, Sonoma County, California, United States, Sep 3, 2026 10:24 am (GMT -7) (17 km S)1.1 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Sep 3, 2026 04:03 am (GMT -7) (18 km SSW)All earthquakes at Clear LakeConchagüita volcano (El Salvador): magnitude 2.8 earthquakeA magnitude 2.8 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.00 km depth at 5 km distance E from the volcano.Earthquake details: 2.8 quake North Pacific Ocean, 18 km southeast of La Union, El Salvador, Sep 3, 2026 06:24 am (GMT -6) (5 km E)All earthquakes at ConchagüitaConchagüita is a 505-m-high island stratovolcano in El Salvador’s Gulf of Fonseca. Its last known eruption occurred more than about 11,700 years ago, and a reported 1892 eruption is discredited.Cuilapa-Barbarena volcano (Guatemala): 3 earthquakes up to magnitude 2.23 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 15 hours ago. Hypocenter depths ranged between 8.00 and 3.80 km.Earthquake details: 2.2 quake 8.4 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 3, 2026 03:44 am (GMT -6) (15 km E)2.1 quake 3.7 km north of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 2, 2026 09:44 pm (GMT -6) (12 km ESE)2.0 quake 3 km west of Barberena, Departamento de Santa Rosa, Guatemala, Sep 2, 2026 08:24 pm (GMT -6) (3 km SSE)All earthquakes at Cuilapa-BarbarenaCuilapa-Barbarena is a Guatemalan volcanic field containing about 70 mostly basaltic cinder cones. Its last eruption is undated, although the youngest cones may have formed within approximately the past 12,000 years.Gagak volcano (West Java): magnitude 2.3 earthquakeA magnitude 2.3 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.00 km depth at 7 km distance W from the volcano.Earthquake details: 2.3 quake 22 km west of Cicurug, Kabupaten Sukabumi, West Java, Indonesia, Sep 3, 2026 01:33 pm (GMT +7) (7 km W)All earthquakes at GagakGran Canaria volcano (Canary Islands): 2 earthquakes up to magnitude 2.22 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 10.00 and 10.00 km.Earthquake details: 2.2 quake 27 km west of Las Palmas de Gran Canaria, Las Palmas, Canary Islands, Spain, Sep 3, 2026 05:16 pm (GMT +1) (8 km NW)1.5 quake 6.5 km southwest of Galdar, Las Palmas, Canary Islands, Spain, Sep 3, 2026 01:06 pm (GMT +1) (10 km NW)All earthquakes at Gran CanariaGran Canaria is a volcanic cluster of fissure vents, pyroclastic cones and explosion craters. Its dated eruption record runs from about 4670 BCE to around 40 CE.Katmai volcano (Alaska Peninsula): magnitude 2.1 earthquakeA magnitude 2.1 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 0.80 km depth at 3 km distance WNW from the volcano.Earthquake details: 2.1 quake 101 mi west of Kodiak, Kodiak Island Borough, Alaska, United States, Sep 2, 2026 06:37 pm (GMT -8) (3 km WNW)All earthquakes at KatmaiKilauea volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.12 earthquakes occurred near (under) the volcano during 1 hour 58 minutes, the last being recorded quake 1 hour 29 minutes ago. Hypocenter depths ranged between 5.99 and 1.63 km.Earthquake details: 2.1 quake 14 mi southwest of Volcano, Hawaii County, Hawaii, United States, Sep 3, 2026 11:23 am (GMT -10) (16 km WSW)1.8 quake 27 mi southwest of Hilo, Hawaii County, Hawaii, United States, Sep 3, 2026 01:21 pm (GMT -10) (4 km SSE)All earthquakes at KilaueaLoihi volcano (Hawai'i (Big Island)): 9 earthquakes up to magnitude 3.49 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 1 hour 48 minutes ago. Hypocenter depths ranged between 34.51 and 9.07 km.Earthquake details: (only 5 largest)3.4 quake North Pacific Ocean, 39 mi southeast of of Hawai‘i Island, Hawaii County, Hawaii, United States, Sep 3, 2026 12:39 pm (GMT -10) (19 km NNW)2.6 quake North Pacific Ocean, 12 mi southeast of Pāhala, Hawaii County, Hawaii, United States, Sep 3, 2026 03:32 am (GMT -10) (19 km NNW)2.3 quake North Pacific Ocean, 13 mi southeast of Pāhala, Hawaii County, Hawaii, United States, Sep 3, 2026 07:09 am (GMT -10) (17 km NW)2.2 quake North Pacific Ocean, 14 mi southeast of Pāhala, Hawaii County, Hawaii, United States, Sep 2, 2026 10:20 pm (GMT -10) (16 km NW)2.1 quake North Pacific Ocean, 40 mi southeast of of Hawai‘i Island, Hawaii County, Hawaii, United States, Sep 2, 2026 09:20 pm (GMT -10) (17 km NNW)All earthquakes at LoihiLoihi, now named Kamaʻehuakanaloa, is a submarine shield volcano about 35 km southeast of Hawaiʻi. Its last confirmed eruption was in 1996, while later unrest has consisted of earthquake swarms without confirmed eruptions.Paluweh volcano (Lesser Sunda Islands): 2 earthquakes up to magnitude 4.82 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 10.00 and 10.00 km.Earthquake details: 4.8 quake Flores Sea, 58 km north of Ende, Kabupaten Ende, East Nusa Tenggara, Indonesia, Sep 4, 2026 05:00 am (Makassar time) (13 km W)2.9 quake Flores Sea, 49 km north of Ende, Kabupaten Ende, East Nusa Tenggara, Indonesia, Sep 3, 2026 04:00 pm (GMT +8) (19 km WSW)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.Poco Leok volcano (Flores): magnitude 2.6 earthquakeA magnitude 2.6 earthquake occurred at the volcano 13 hours ago. The quake, which might be volcanic in origin, was located at a depth of 20.00 km depth at 6 km distance NNW from the volcano.Earthquake details: 2.6 quake 2.2 km south of Ruteng, Kabupaten Manggarai, East Nusa Tenggara, Indonesia, Sep 3, 2026 08:11 pm (GMT +8) (6 km NNW)All earthquakes at Poco LeokPoco Leok is a 1,675 m stratovolcano on western Flores Island with several fumarole fields and the Ulumbu geothermal area. No eruption is known from approximately the past 12,000 years.