Volcano earthquake report for Wednesday, 1 Apr 2026
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 1 Apr 2026 Number in brackets indicate nr of quakes.

Quakes detected near: Aniakchak (1 quake mag 1.0), Barva (1 quake mag 2.1), Bratan (2 quakes between mag 2.0-2.4), Campi Flegrei (Phlegrean Fields) (2 quakes between mag 0.7-3.0), Canlaon (1 quake mag 2.4), Clear Lake (29 quakes between mag 0.2-2.1)
El Chichón (6 quakes between mag 2.2-3.0), Eldey (2 quakes between mag 1.4-1.5), Etna (1 quake mag 3.0), Hayes (1 quake mag 1.0), Hiuchi (1 quake mag 3.0), Hulubelu (3 quakes between mag 2.5-2.5), Kerlingarfjöll (1 quake mag 1.1), Kilauea (3 quakes between mag 1.7-2.2), Kolumbo (2 quakes between mag 1.2-1.6), Loihi (2 quakes between mag 1.7-2.1), Loki-Fögrufjöll volcano (3 quakes between mag 0.9-1.3), Maunaloa (1 quake mag 2.7), Mayotte Island (1 quake mag 1.2), Piton de la Fournaise (5 quakes between mag 0.5-1.4), Ruapehu (1 quake mag 2.0), Salton Buttes (2 quakes between mag 2.1-2.4), Stepovak Bay 4 (2 quakes between mag 1.4-2.3), Tenerife (5 quakes between mag 0.9-1.7), Wrangell (1 quake mag 1.5) (updated 12h50)

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:



Barva volcano (Costa Rica): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 16.00 km depth at 15 km distance ENE from the volcano.
Earthquake details:
2.1 quake Provincia de Heredia, 31 km northeast of San Jose, Costa Rica, Apr 1, 2026 01:14 am (Costa_Rica time) (15 km ENE)
All earthquakes at Barva

Bratan volcano (Bali): 2 earthquakes up to magnitude 2.4

2 earthquakes occurred near (under) the volcano during 2 hours, the last being recorded quake 18 hours ago. Hypocenter depths ranged between 10.00 and 10.00 km.
Earthquake details:
2.4 quake Kabupaten Tabanan, 16 km south of Banjar, Indonesia, Apr 1, 2026 02:36 am (GMT +8) (17 km WSW)
2.0 quake Kabupaten Tabanan, 15 km south of Banjar, Indonesia, Apr 1, 2026 12:31 am (GMT +8) (17 km WSW)
All earthquakes at Bratan

Campi Flegrei (Phlegrean Fields) volcano (Italy): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 19 hours ago. Hypocenter depths ranged between 10.00 and 2.00 km.
Earthquake details:
Reported seismic-like event (likely no quake): 4.1 km west of Naples, Napoli, Campania, Italy, Mar 31, 2026 07:47 pm (GMT +2) (7 km ENE)
0.7 quake 3.3 km southwest of Pianura, Napoli, Campania, Italy, Mar 31, 2026 04:23 pm (GMT +2) (2 km N)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Canlaon volcano (Central Philippines): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 14.00 km depth at 10 km distance NW from the volcano.
Earthquake details:
2.4 quake 9.7 km east of Maao, Province of Negros Occidental, Western Visayas, Philippines, Apr 1, 2026 02:58 am (GMT +8) (10 km NW)
All earthquakes at Canlaon

Clear Lake volcano (California): 29 earthquakes up to magnitude 2.1

Possible earthquake swarm: 29 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 4 minutes ago. Hypocenter depths ranged between 33.24 and 0.59 km.
Earthquake details: (only 5 largest)
2.1 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Apr 1, 2026 03:34 am (GMT -7) (16 km SSW)
1.9 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Mar 31, 2026 06:54 pm (GMT -7) (19 km SSW)
1.6 quake 12 mi southwest of Clearlake, Lake County, California, United States, Mar 31, 2026 07:05 pm (GMT -7) (15 km S)
1.5 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Apr 1, 2026 04:46 am (GMT -7) (18 km S)
1.3 quake Lake County, 26 mi north of Santa Rosa, Sonoma County, California, United States, Mar 31, 2026 11:17 pm (GMT -7) (17 km S)
All earthquakes at Clear Lake

El Chichón volcano (Southern Mexico): 6 earthquakes up to magnitude 3.0

6 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 3.20 and 2.50 km.
Earthquake details: (only 5 largest)
3.0 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Apr 1, 2026 04:18 am (GMT -6) (1 km WSW)
2.7 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Mar 31, 2026 01:53 pm (GMT -6) (1 km NNW)
2.6 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Mar 31, 2026 01:25 pm (GMT -6) (1 km WNW)
2.5 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Mar 31, 2026 03:52 pm (GMT -6) (0 km N)
2.4 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Mar 31, 2026 11:24 am (GMT -6) (0 km NNE)
All earthquakes at El Chichón

Etna volcano (Italy): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 17 km distance SW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 25 km northwest of Catania, Catania, Sicily, Italy, Apr 1, 2026 12:48 am (GMT +2) (17 km SW)
All earthquakes at Etna

Hiuchi volcano (Honshu): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 8 km distance NNW from the volcano.
Earthquake details:
Unconfirmed earthquake or seismic-like event: 36 km southeast of Uonuma, Niigata, Japan, Apr 1, 2026 12:13 am (GMT +9) (8 km NNW)
All earthquakes at Hiuchi

Hulubelu volcano (Sumatra): 3 earthquakes up to magnitude 2.5

3 earthquakes occurred near (under) the volcano during 8 minutes, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 4.00 and 3.00 km.
Earthquake details:
2.5 quake Kabupaten Tanggamus, 74 km west of Bandar Lampung, Indonesia, Apr 1, 2026 01:01 pm (GMT +7) (9 km S)
2.5 quake Kabupaten Tanggamus, 78 km west of Bandar Lampung, Indonesia, Apr 1, 2026 12:59 pm (GMT +7) (13 km S)
2.5 quake Kabupaten Tanggamus, 75 km west of Bandar Lampung, Indonesia, Apr 1, 2026 12:53 pm (GMT +7) (2 km SSE)
All earthquakes at Hulubelu

Kilauea volcano (Hawai'i (Big Island)): 3 earthquakes up to magnitude 2.2

3 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 52 minutes ago. Hypocenter depths ranged between 28.65 and 5.12 km.
Earthquake details:
2.2 quake 29 mi south of Hilo, Hawaii County, Hawaii, United States, Apr 1, 2026 01:58 am (GMT -10) (13 km SE)
1.9 quake 35 mi southwest of Hilo, Hawaii County, Hawaii, United States, Mar 31, 2026 10:21 am (GMT -10) (17 km WSW)
1.7 quake 21 mi southwest of Hilo, Hawaii County, Hawaii, United States, Mar 31, 2026 03:52 am (GMT -10) (8 km NE)
All earthquakes at Kilauea

Loihi volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 32.81 and 31.60 km.
Earthquake details:
2.1 quake North Pacific Ocean, 12 mi southeast of Pāhala, Hawaii County, Hawaii, United States, Mar 31, 2026 03:22 pm (GMT -10) (19 km NW)
1.7 quake North Pacific Ocean, 40 mi southeast of of Hawai‘i Island, Hawaii County, Hawaii, United States, Mar 31, 2026 06:18 am (GMT -10) (17 km NW)
All earthquakes at Loihi

Maunaloa volcano (Hawai'i (Big Island)): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 20 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 2.05 km depth at 11 km distance E from the volcano.
Earthquake details:
2.7 quake 32 mi southwest of Hilo, Hawaii County, Hawaii, United States, Apr 1, 2026 02:30 am (GMT -10) (11 km E)
All earthquakes at Maunaloa

Salton Buttes volcano (California): 2 earthquakes up to magnitude 2.4

2 earthquakes occurred near (under) the volcano during 34 seconds, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 3.29 and 3.22 km.
Earthquake details:
2.4 quake 14 mi northwest of Brawley, Imperial County, California, United States, Apr 1, 2026 01:04 am (GMT -7) (4 km SSW)
2.1 quake 14 mi northwest of Brawley, Imperial County, California, United States, Apr 1, 2026 01:04 am (GMT -7) (5 km SSW)
All earthquakes at Salton Buttes

Stepovak Bay 4 volcano (Alaska Peninsula): 2 earthquakes up to magnitude 2.3

2 earthquakes occurred near (under) the volcano during 18 minutes, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 10.10 and 8.50 km.
Earthquake details:
2.3 quake Lake and Peninsula Borough, 49 mi northeast of Sand Point, Aleutians East Borough, Alaska, United States, Mar 31, 2026 07:41 pm (GMT -8) (11 km ESE)
1.4 quake Lake and Peninsula Borough, 49 mi northeast of Sand Point, Aleutians East Borough, Alaska, United States, Mar 31, 2026 08:00 pm (GMT -8) (9 km ESE)
All earthquakes at Stepovak Bay 4

Unnamed 24.00°N/121.83°E volcano (Taiwan): magnitude 4.2 earthquake

A magnitude 4.2 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 16.80 km depth at 12 km distance ESE from the volcano.
Earthquake details:
4.2 quake Philippine Sea, 33 km east of Hualien City, Taiwan, Mar 31, 2026 11:43 pm (Taipei time) (12 km ESE)
All earthquakes at Unnamed 24.00°N/121.83°E
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/298987/Volcano-earthquake-report-for-Wednesday-1-Apr-2026.html