World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 4 Jun 2026 Number in brackets indicate nr of quakes.Quakes detected near: Bardarbunga (5 quakes between mag 0.2-1.0), Brennisteinsfjöll (55 quakes between mag 0.0-3.2), Campi Flegrei (Phlegrean Fields) (10 quakes between mag 0.1-1.4), Chaîne des Puys (1 quake mag 1.3), Clear Lake (13 quakes between mag 0.4-1.4), Cleveland (6 quakes between mag 0.7-1.2)Coso (3 quakes between mag 0.4-1.4), Eldey (4 quakes between mag 0.6-1.5), Etna (4 quakes between mag 1.4-2.8), Eyafjallajökull (2 quakes between mag 0.4-1.3), Gareloi (2 quakes between mag 0.2-1.0), Grímsnes (3 quakes between mag 0.5-2.1), Grímsvötn (1 quake mag 1.0), Hakone (1 quake mag 2.9), Hengill (17 quakes between mag 0.0-1.1), Hrómundartindur (99 quakes between mag 0.0-1.8), Hualalai (1 quake mag 4.6), Katla (11 quakes between mag 0.0-1.4), Kilauea (1 quake mag 1.9), Kolumbo (1 quake mag 1.4), Ljósufjöll (9 quakes between mag 0.0-1.4), Loihi (1 quake mag 1.7), Masaya (1 quake mag 2.5), Mayotte Island (1 quake mag 1.1), Miyake-shima (1 quake mag 3.1), Moffett (2 quakes between mag 1.1-1.6), Nemrut Dagi (1 quake mag 1.4), Northern EPR-Segment RO2 (1 quake mag 3.0), Okataina (Tarawera) (1 quake mag 1.8), Prestahnukur (80 quakes between mag 0.3-3.5), Salton Buttes (2 quakes between mag 0.8-1.6), San Salvador (1 quake mag 2.1), Stepovak Bay 4 (1 quake mag 2.1), Tana (2 quakes between mag 1.1-1.4), Tecuamburro (1 quake mag 2.3), Tenerife (1 quake mag 1.4), Trident (1 quake mag 1.1), Vestmannaeyjar (1 quake mag 1.5), Vesuvius (1 quake mag 3.0) (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:Brennisteinsfjöll volcano (Reykjanes Peninsula, Iceland): 55 earthquakes up to magnitude 3.2Possible earthquake swarm: 55 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 27 minutes ago. Hypocenter depths ranged between 8.90 and 0.00 km.Earthquake details: (only 5 largest)3.2 quake 20 km southeast of Reykjavik, Capital Region, Iceland, Jun 3, 2026 10:40 am (Reykjavik time) (18 km NE)2.2 quake 3.3 km SSW of Helgafell Jun 3, 2026 11:08 pm (Universal Time) (7 km NNW)1.4 quake 4.1 km SW of Litla_Kaffistofan Jun 3, 2026 10:11 am (Universal Time) (18 km NE)1.3 quake 4.0 km SW of Litla_Kaffistofan Jun 3, 2026 10:16 am (Universal Time) (18 km NE)1.0 quake 3.9 km SW of Litla_Kaffistofan Jun 3, 2026 07:36 am (Universal Time) (18 km NE)All earthquakes at BrennisteinsfjöllClear Lake volcano (California): 13 earthquakes up to magnitude 1.4Possible earthquake swarm: 13 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 48 minutes ago. Hypocenter depths ranged between 15.41 and 1.03 km.Earthquake details: (only 5 largest)1.4 quake 25 mi north of Santa Rosa, Sonoma County, California, United States, Jun 2, 2026 11:16 pm (GMT -7) (19 km S)1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Jun 2, 2026 11:47 pm (GMT -7) (16 km S)1.1 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Jun 3, 2026 12:57 pm (GMT -7) (18 km SSW)1.0 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Jun 3, 2026 04:02 pm (GMT -7) (16 km SSW)1.0 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Jun 2, 2026 11:13 pm (GMT -7) (18 km SSW)All earthquakes at Clear LakeEtna volcano (Italy): 4 earthquakes up to magnitude 2.84 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 30.75 and 17.09 km.Earthquake details: 2.8 quake 17 km northeast of Adrano, Catania, Sicily, Italy, Jun 3, 2026 04:07 pm (GMT +2) (5 km NW)1.9 quake 9.6 km east of Bronte, Catania, Sicily, Italy, Jun 3, 2026 04:03 pm (GMT +2) (5 km WNW)1.8 quake 7.3 km southeast of Bronte, Catania, Sicily, Italy, Jun 3, 2026 07:48 am (GMT +2) (9 km W)1.4 quake 11 km east of Bronte, Catania, Sicily, Italy, Jun 3, 2026 04:13 pm (GMT +2) (4 km NW)All earthquakes at EtnaGrímsnes volcano (Iceland): 3 earthquakes up to magnitude 2.13 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 1 hour 19 minutes ago. Hypocenter depths ranged between 5.80 and 0.00 km.Earthquake details: 2.1 quake Iceland: 5.5 km E of Hveragerði Jun 3, 2026 10:05 am (Reykjavik time) (10 km WSW)0.6 quake Iceland: 4.7 km SE of Laugarvatn Jun 3, 2026 11:31 pm (Reykjavik time) (19 km NNE)0.5 quake Iceland: 3.6 km NNW of Selfoss Jun 3, 2026 11:03 am (Reykjavik time) (11 km SW)All earthquakes at GrímsnesHakone volcano (Honshu): magnitude 2.9 earthquakeA magnitude 2.9 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.80 km depth at 2 km distance SSW from the volcano.Earthquake details: 2.9 quake 31 km southwest of Hiratsuka, Kanagawa, Japan, Jun 3, 2026 01:27 pm (GMT +9) (2 km SSW)All earthquakes at HakoneHengill volcano (Iceland): 17 earthquakes up to magnitude 1.1Possible earthquake swarm: 17 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 17.30 and 0.00 km.Earthquake details: (only 5 largest)1.1 quake Iceland: 6.6 km NW of Seljadalur Jun 3, 2026 07:50 am (Reykjavik time) (16 km W)0.8 quake Iceland: 5.7 km SSW of Seljadalur Jun 3, 2026 05:28 pm (Reykjavik time) (18 km SW)0.7 quake Iceland: 13.2 km NE of Geldinganes Jun 3, 2026 09:35 pm (Reykjavik time) (17 km WNW)0.6 quake Iceland: 2.1 km W of Litla_Kaffistofan Jun 3, 2026 01:03 pm (Reykjavik time) (17 km SW)0.5 quake Iceland: 3.3 km WNW of Litla_Kaffistofan Jun 3, 2026 10:02 am (Reykjavik time) (17 km SW)All earthquakes at HengillHrómundartindur volcano (Iceland): 99 earthquakes up to magnitude 1.8Possible earthquake swarm: 99 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 38 minutes ago. Hypocenter depths ranged between 9.40 and 0.00 km.Earthquake details: (only 5 largest)1.8 quake 2.6 km ESE of Litla_Kaffistofan Jun 3, 2026 08:10 am (Universal Time) (13 km WSW)1.5 quake 4.3 km E of Hveragerði Jun 3, 2026 01:02 pm (Universal Time) (9 km SSE)1.0 quake 2.6 km ESE of Litla_Kaffistofan Jun 3, 2026 01:15 pm (Universal Time) (13 km WSW)0.9 quake Iceland: 2.9 km WNW of Þrengsli Jun 3, 2026 06:49 am (Reykjavik time) (17 km WSW)0.9 quake 1.5 km NE of Þrengsli Jun 3, 2026 12:22 pm (Universal Time) (13 km WSW)All earthquakes at HrómundartindurHualalai volcano (Hawai'i (Big Island)): magnitude 4.6 earthquakeA magnitude 4.6 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 34.01 km depth at 19 km distance SW from the volcano.Earthquake details: 4.6 quake North Pacific Ocean, 3.8 mi south of Kailua-Kona, Hawaii County, Hawaii, United States, Jun 2, 2026 05:58 pm (Honolulu time) (19 km SW)All earthquakes at HualalaiKatla volcano (Iceland): 11 earthquakes up to magnitude 1.4Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 56 minutes ago. Hypocenter depths ranged between 9.30 and 0.00 km.Earthquake details: (only 5 largest)1.4 quake 3.4 km E of Goðabunga Jun 3, 2026 02:54 pm (Universal Time) (6 km WNW)1.0 quake 6.2 km E of Goðabunga Jun 3, 2026 09:43 pm (Universal Time) (4 km WNW)0.5 quake Iceland: 7.5 km SSW of Goðabunga Jun 3, 2026 01:39 pm (Reykjavik time) (14 km WSW)0.4 quake Iceland: 3.6 km N of Hábunga Jun 3, 2026 07:25 am (Reykjavik time) (3 km SW)0.3 quake Iceland: 2.4 km ESE of Goðabunga Jun 3, 2026 11:54 pm (Reykjavik time) (7 km W)All earthquakes at KatlaMasaya volcano (Nicaragua): magnitude 2.5 earthquakeA magnitude 2.5 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.00 km depth at 10 km distance N from the volcano.Earthquake details: 2.5 quake Departamento de Masaya, 11 km southeast of Managua, Nicaragua, Jun 3, 2026 11:59 am (GMT -6) (10 km N)All earthquakes at MasayaMiyake-shima volcano (Izu Islands): magnitude 3.1 earthquakeA magnitude 3.1 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 20.00 km depth at 12 km distance W from the volcano.Earthquake details: 3.1 quake Philippine Sea, 26 km southeast of Kozu Shima Island, Tokyo, Japan, Jun 4, 2026 06:00 am (GMT +9) (12 km W)All earthquakes at Miyake-shimaNorthern EPR-Segment RO2 volcano (Eastern Pacific Ocean): magnitude 3.0 earthquakeA magnitude 3.0 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 16 km distance SW from the volcano.Earthquake details: Reported seismic-like event (likely no quake): Mexico Jun 3, 2026 05:20 pm (GMT +0) (16 km SW)All earthquakes at Northern EPR-Segment RO2Prestahnukur volcano (Iceland): 80 earthquakes up to magnitude 3.5Possible earthquake swarm: 80 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 16 minutes ago. Hypocenter depths ranged between 20.50 and 0.00 km.Earthquake details: (only 5 largest)3.5 quake West, 72 km northeast of Reykjavik, Capital Region, Iceland, Jun 3, 2026 11:08 pm (Reykjavik time) (11 km WSW)3.3 quake 14.6 km SSE of Húsafell Jun 3, 2026 11:08 pm (Universal Time) (10 km WSW)2.8 quake West, 73 km northeast of Reykjavik, Capital Region, Iceland, Jun 3, 2026 10:05 am (Reykjavik time) (10 km WSW)2.4 quake 14.1 km SSE of Húsafell Jun 3, 2026 11:38 pm (Universal Time) (10 km WSW)2.1 quake Iceland: 13.3 km SSE of Húsafell Jun 3, 2026 11:06 pm (Reykjavik time) (9 km WSW)All earthquakes at PrestahnukurSan Salvador volcano (El Salvador): 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 8.00 km depth at 12 km distance W from the volcano.Earthquake details: 2.1 quake 16 km northwest of Santa Tecla, Departamento de La Libertad, El Salvador, Jun 2, 2026 08:30 pm (GMT -6) (12 km W)All earthquakes at San SalvadorStepovak Bay 4 volcano (Alaska Peninsula): magnitude 2.1 earthquakeA magnitude 2.1 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.80 km depth at 7 km distance NNW from the volcano.Earthquake details: 2.1 quake 51 mi north of Sand Point, Aleutians East Borough, Alaska, United States, Jun 2, 2026 10:27 pm (GMT -8) (7 km NNW)All earthquakes at Stepovak Bay 4Tecuamburro volcano (Guatemala): 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 8.00 km depth at 17 km distance E from the volcano.Earthquake details: 2.3 quake 12 km southeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Jun 3, 2026 12:40 am (GMT -6) (17 km E)All earthquakes at TecuamburroVesuvius volcano (Italy): magnitude 3.0 earthquakeA magnitude 3.0 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 14 km distance NW from the volcano.Earthquake details: Reported seismic-like event (likely no quake): 5.1 km northeast of Naples, Napoli, Campania, Italy, Jun 4, 2026 12:24 am (GMT +2) (14 km NW)All earthquakes at Vesuvius