Volcano earthquake report for Monday, 6 Apr 2026
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 6 Apr 2026 Number in brackets indicate nr of quakes.

Quakes detected near: Bardarbunga (5 quakes between mag 0.0-1.1), Bibinoi (1 quake mag 3.0), Black Peak (1 quake mag 2.0), Brennisteinsfjöll (2 quakes between mag 0.0-1.2), Campi Flegrei (Phlegrean Fields) (10 quakes between mag 0.1-2.1), Churchill (2 quakes between mag 1.1-1.2)
Clear Lake (37 quakes between mag 0.2-2.8), El Chichón (2 quakes between mag 2.1-2.2), Gede-Pangrango (1 quake mag 2.1), Grímsvötn (3 quakes between mag 0.5-1.2), Hualalai (1 quake mag 3.9), Katla (11 quakes between mag 0.1-2.1), Kilauea (6 quakes between mag 1.7-1.8), Kolumbo (2 quakes between mag 1.3-1.9), Kupreanof (1 quake mag 1.1), La Palma (1 quake mag 1.6), Lavic Lake (1 quake mag 1.4), Loihi (2 quakes between mag 1.7-1.7), Mahagnao (1 quake mag 2.1), Maroa (2 quakes between mag 1.3-1.9), Papandayan (1 quake mag 2.0), Parker (1 quake mag 1.7), Poas (1 quake mag 1.7), San Cristobal (1 quake mag 1.8), Sousaki (1 quake mag 1.6), Stepovak Bay 2 (1 quake mag 1.3), Stepovak Bay 4 (1 quake mag 1.9), Tenerife (12 quakes between mag 0.4-1.4), Tjörnes Fracture Zone (5 quakes between mag 0.3-1.0), Todoko-Ranu (1 quake mag 2.2), Turrialba (1 quake mag 1.4) (updated 13h50)

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:



Bibinoi volcano (Halmahera): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.00 km depth at 19 km distance SSW from the volcano.
Earthquake details:
3.0 quake Maluku Sea, 42 km southeast of Labuha, Indonesia, Apr 6, 2026 07:23 pm (GMT +9) (19 km SSW)
All earthquakes at Bibinoi

Campi Flegrei (Phlegrean Fields) volcano (Italy): 10 earthquakes up to magnitude 2.1

10 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 8.25 and 0.25 km.
Earthquake details: (only 5 largest)
2.1 quake 5 km southeast of Pozzuoli, Napoli, Campania, Italy, Apr 5, 2026 04:33 pm (GMT +2) (1 km SSE)
1.8 quake 4.6 km west of Fuorigrotta, Napoli, Campania, Italy, Apr 6, 2026 04:51 am (GMT +2) (1 km SE)
1.7 quake 5 km southeast of Pozzuoli, Napoli, Campania, Italy, Apr 5, 2026 04:34 pm (GMT +2) (1 km SE)
1.5 quake 4.5 km southeast of Pozzuoli, Napoli, Campania, Italy, Apr 6, 2026 04:52 am (GMT +2) (1 km S)
0.1 quake 3.1 km south of Pianura, Napoli, Campania, Italy, Apr 6, 2026 08:47 am (GMT +2) (2 km ENE)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 37 earthquakes up to magnitude 2.8

Possible earthquake swarm: 37 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 19.51 and 0.46 km.
Earthquake details: (only 5 largest)
2.8 quake 25 mi north of Santa Rosa, Sonoma County, California, United States, Apr 5, 2026 10:48 am (GMT -7) (19 km S)
1.5 quake 12 mi southwest of Clearlake, Lake County, California, United States, Apr 6, 2026 12:48 am (GMT -7) (15 km S)
1.4 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Apr 6, 2026 04:40 am (GMT -7) (16 km S)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Apr 5, 2026 09:27 pm (GMT -7) (18 km SSW)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Apr 5, 2026 07:18 am (GMT -7) (16 km S)
All earthquakes at Clear Lake

El Chichón volcano (Southern Mexico): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 51 minutes, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 3.00 and 3.00 km.
Earthquake details:
2.2 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Apr 5, 2026 01:37 pm (GMT -6) (1 km NNW)
2.1 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, Apr 5, 2026 02:28 pm (GMT -6) (1 km NNW)
All earthquakes at El Chichón

Gede-Pangrango volcano (West Java): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.00 km depth at 15 km distance E from the volcano.
Earthquake details:
2.1 quake 5.1 km northwest of Cianjur, Kabupaten Cianjur, Jawa Barat, Indonesia, Apr 6, 2026 04:30 pm (GMT +7) (15 km E)
All earthquakes at Gede-Pangrango

Hualalai volcano (Hawai'i (Big Island)): magnitude 3.9 earthquake

A magnitude 3.9 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.42 km depth at 18 km distance SE from the volcano.
Earthquake details:
3.9 quake 47 mi southeast of Kailua-Kona, Hawaii County, Hawaii, United States, Apr 5, 2026 11:41 am (Honolulu time) (18 km SE)
All earthquakes at Hualalai

Katla volcano (Iceland): 11 earthquakes up to magnitude 2.1

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 5.20 and 0.00 km.
Earthquake details: (only 5 largest)
2.1 quake 2.2 km ESE of Goðabunga Apr 5, 2026 11:21 pm (Universal Time) (8 km W)
1.9 quake 2.1 km ESE of Goðabunga Apr 5, 2026 05:24 pm (Universal Time) (8 km W)
1.4 quake 2.2 km SE of Goðabunga Apr 5, 2026 11:33 pm (Universal Time) (8 km W)
1.0 quake 3.6 km E of Goðabunga Apr 5, 2026 11:38 pm (Universal Time) (6 km WNW)
1.0 quake Iceland: 7.3 km N of Hábunga Apr 5, 2026 06:46 pm (Reykjavik time) (3 km NW)
All earthquakes at Katla

Mahagnao volcano (Central Philippines): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 24.00 km depth at 13 km distance N from the volcano.
Earthquake details:
2.1 quake 5.2 km northwest of Burauen, Province of Leyte, Eastern Visayas, Philippines, Apr 6, 2026 03:03 pm (GMT +8) (13 km N)
All earthquakes at Mahagnao

Tenerife volcano (Canary Islands): 12 earthquakes up to magnitude 1.4

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 18.00 and 9.00 km.
Earthquake details: (only 5 largest)
1.4 quake 13 km north of Adeje, Santa Cruz de Tenerife, Canary Islands, Spain, Apr 5, 2026 03:31 pm (GMT +1) (5 km SW)
1.3 quake 4.6 km northwest of Granadilla de Abona, Spain, Apr 5, 2026 10:56 pm (GMT +1) (14 km SSE)
1.3 quake 15 km north of Arona, Santa Cruz de Tenerife, Canary Islands, Spain, Apr 5, 2026 09:25 pm (GMT +1) (5 km SSW)
1.2 quake 17 km north of Arona, Santa Cruz de Tenerife, Canary Islands, Spain, Apr 5, 2026 09:10 pm (GMT +1) (4 km WSW)
1.2 quake 15 km north of Arona, Santa Cruz de Tenerife, Canary Islands, Spain, Apr 5, 2026 08:59 pm (GMT +1) (6 km SW)
All earthquakes at Tenerife

Todoko-Ranu volcano (Halmahera): magnitude 2.2 earthquake

A 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 7.00 km depth at 6 km distance N from the volcano.
Earthquake details:
2.2 quake Kabupaten Halmahera Barat, 57 km north of Ternate, Indonesia, Apr 5, 2026 11:28 pm (GMT +9) (6 km N)
All earthquakes at Todoko-Ranu
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/299350/Volcano-earthquake-report-for-Monday-6-Apr-2026.html