World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 27 Oct 2026 Number in brackets indicate nr of quakes.Quakes detected near: Agua (4 quakes between mag 1.1-1.3), Balut (7 quakes between mag 1.3-2.6), Campi Flegrei (Phlegrean Fields) (11 quakes between mag 0.1-2.3), Churchill (1 quake mag 1.3), Clear Lake (20 quakes between mag 0.4-1.3), Coso (2 quakes between mag 0.5-1.0)Eldey (3 quakes between mag 0.8-1.4), Etna (2 quakes between mag 1.3-2.0), Flores (6 quakes between mag 1.1-1.3), Kilauea (1 quake mag 1.9), Kolumbo (1 quake mag 1.5), Koruhüyüğü (1 quake mag 1.9), Malindang (1 quake mag 1.5), Mammoth Mountain (2 quakes between mag 1.1-1.2), Martin (3 quakes between mag 0.7-1.0), Mayotte Island (1 quake mag 2.0), Tjörnes Fracture Zone (1 quake mag 1.0), Vesuvius (2 quakes between mag 0.1-2.0), West Valley Segment (1 quake mag 2.2) (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): 7 earthquakes up to magnitude 2.67 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 15 minutes ago. Hypocenter depths ranged between 38.00 and 9.00 km.Earthquake details: (only 5 largest)2.6 quake Philippine Sea, 13 km northwest of Sarangani Island, Philippines, Oct 27, 2026 07:35 am (GMT +8) (10 km N)2.2 quake Philippine Sea, 17 km west of Sarangani Island, Philippines, Oct 27, 2026 12:00 am (GMT +8) (11 km NNW)2.0 quake Celebes Sea, 22 km northwest of Sarangani Island, Philippines, Oct 26, 2026 10:07 am (GMT +8) (18 km NNW)1.8 quake Philippine Sea, 14 km northwest of Sarangani Island, Philippines, Oct 26, 2026 04:42 pm (GMT +8) (17 km NNE)1.6 quake Celebes Sea, 23 km west of Sarangani Island, Philippines, Oct 26, 2026 03:10 pm (GMT +8) (17 km NW)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.Campi Flegrei (Phlegrean Fields) volcano (Italy): 11 earthquakes up to magnitude 2.3Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 2.69 and 1.00 km.Earthquake details: (only 5 largest)2.3 quake 12 km west of Naples, Napoli, Campania, Italy, Oct 26, 2026 11:44 am (GMT +1) (1 km SW)1.2 quake 4 km southeast of Pozzuoli, Napoli, Campania, Italy, Oct 26, 2026 11:07 am (GMT +1) (0 km NNW)1.1 quake 12 km west of Naples, Napoli, Campania, Italy, Oct 26, 2026 11:39 am (GMT +1) (1 km SW)0.9 quake 12 km west of Naples, Napoli, Campania, Italy, Oct 26, 2026 11:42 am (GMT +1) (1 km SW)0.6 quake 4 km southeast of Pozzuoli, Napoli, Campania, Italy, Oct 26, 2026 11:39 am (GMT +1) (0 km SW)All earthquakes at Campi Flegrei (Phlegrean Fields)Campi Flegrei is a 13-km-wide volcanic caldera encompassing part of Naples and the Gulf of Pozzuoli. Its last known eruption formed the Monte Nuovo cone in 1538.Clear Lake volcano (California): 20 earthquakes up to magnitude 1.3Possible earthquake swarm: 20 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 18 minutes ago. Hypocenter depths ranged between 3.42 and 1.23 km.Earthquake details: (only 5 largest)1.3 quake Lake County, 26 mi north of Santa Rosa, Sonoma County, California, United States, Oct 26, 2026 10:44 am (GMT -7) (17 km S)1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Oct 26, 2026 07:42 am (GMT -7) (16 km S)1.3 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Oct 26, 2026 01:43 am (GMT -7) (18 km S)1.3 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, Oct 25, 2026 07:00 pm (GMT -7) (15 km S)1.1 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Oct 25, 2026 10:05 pm (GMT -7) (18 km SSW)All earthquakes at Clear LakeWest Valley Segment volcano (North Pacific Ocean): magnitude 2.2 earthquakeA magnitude 2.2 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 11 km distance SSE from the volcano.Earthquake details: 2.2 quake North Pacific Ocean, 218 km southwest of Vernon, Regional District of Mount Waddington, British Columbia, Canada, Oct 25, 2026 04:34 pm (GMT -9) (11 km SSE)All earthquakes at West Valley SegmentWest Valley Segment is a submarine fissure-vent cluster at the northern end of the Juan de Fuca Ridge. No eruption is known during approximately the past 12,000 years, though nearly 14,000 earthquakes were detected there during unrest in September 2001.