Volcano earthquake report for Tuesday, 6 Jan 2026

Quakes detected near: Askja (3 quakes between mag 0.4-1.2), Aso (3 quakes between mag 0.5-1.2), Bardarbunga (3 quakes between mag 0.5-2.4), Brennisteinsfjöll (9 quakes between mag 0.4-1.0), Cabalian (1 quake mag 2.3), Cagua (1 quake mag 2.5)
Campi Flegrei (Phlegrean Fields) (30 quakes between mag 0.1-3.1), Cerro Negro de Mayasquer (1 quake mag 1.3), Chaîne des Puys (1 quake mag 3.0), Clear Lake (22 quakes between mag 0.4-1.7), Daisen (2 quakes between mag 0.4-1.6), Eldey (1 quake mag 1.6), Etna (2 quakes between mag 1.6-1.8), Eyafjallajökull (1 quake mag 2.2), Gagak (1 quake mag 2.4), Geureudong (1 quake mag 2.1), Gilbanta (1 quake mag 2.2), Hiuchi (2 quakes between mag 0.4-1.0), Hrómundartindur (5 quakes between mag 0.3-1.2), Ibusuku (3 quakes between mag 0.2-1.3), Inyo Craters (1 quake mag 1.0), Irazu (3 quakes between mag 0.6-1.4), Iriomote-jima (1 quake mag 1.4), Jan Mayen (1 quake mag 1.5), Katmai (3 quakes between mag 1.3-1.6), Kolumbo (2 quakes between mag 1.6-2.2), Komaga-take (9 quakes between mag 0.4-1.4), Krísuvík (10 quakes between mag 0.1-1.2), Kurikoma (11 quakes between mag 0.3-1.2), Kusatsu-Shirane (1 quake mag 1.0), Maroa (1 quake mag 1.4), Maunaloa (1 quake mag 2.5), Ngauruhoe (1 quake mag 1.2), Novarupta (1 quake mag 1.5), Paco (1 quake mag 3.0), Piton de la Fournaise (1 quake mag 1.4), Reporoa (3 quakes between mag 1.1-1.5), San José (1 quake mag 3.0), Snowy Mountain (1 quake mag 1.3), Sousaki (2 quakes between mag 1.4-1.7), Svartsengi (1 quake mag 1.2), Taranaki (1 quake mag 1.9), Tenorio (1 quake mag 1.3), To-shima (3 quakes between mag 1.1-2.5), Towada (1 quake mag 3.0), Trident (1 quake mag 1.5), Turrialba (1 quake mag 1.0) (updated 23h50)

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:

Bardarbunga volcano (Iceland): 3 earthquakes up to magnitude 2.4

3 earthquakes occurred near (under) the volcano during 1 hour 18 minutes, the last being recorded quake 19 hours ago. Hypocenter depths ranged between 11.00 and 10.70 km.
Earthquake details:
2.4 quake 5.4 km ESE of Bárðarbunga Jan 6, 2026 03:36 am (Universal Time) (5 km E)
1.1 quake 5.0 km ESE of Bárðarbunga Jan 6, 2026 04:53 am (Universal Time) (5 km E)
0.5 quake Iceland: 4.8 km E of Bárðarbunga Jan 6, 2026 04:54 am (Reykjavik time) (5 km ENE)
All earthquakes at Bardarbunga

Cabalian volcano (Central Philippines): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 22.00 km depth at 11 km distance NW from the volcano.
Earthquake details:
2.3 quake 41 km northeast of Maasin, Philippines, Jan 7, 2026 03:51 am (GMT +8) (11 km NW)
All earthquakes at Cabalian

Cagua volcano (Luzon Island): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 19.00 km depth at 8 km distance WNW from the volcano.
Earthquake details:
2.5 quake 45 km east of Aparri, Province of Cagayan, Cagayan Valley, Philippines, Jan 7, 2026 04:45 am (GMT +8) (8 km WNW)
All earthquakes at Cagua

Campi Flegrei (Phlegrean Fields) volcano (Italy): 30 earthquakes up to magnitude 3.1

Possible earthquake swarm: 30 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 10.00 and 0.50 km.
Earthquake details: (only 5 largest)
3.1 quake 11 km west of Naples, Napoli, Campania, Italy, Jan 6, 2026 03:23 am (GMT +1) (0 km NNE)
Reported seismic-like event (likely no quake): 12 km west of Naples, Napoli, Campania, Italy, Jan 6, 2026 04:01 am (GMT +1) (2 km NW)
2.9 quake 10.7 km west of Naples, Napoli, Campania, Italy, Jan 6, 2026 03:24 am (GMT +1) (0 km ENE)
1.6 quake 1.8 km southeast of Pozzuoli, Napoli, Campania, Italy, Jan 6, 2026 03:25 am (GMT +1) (2 km WNW)
1.3 quake 1.8 km east of Pozzuoli, Napoli, Campania, Italy, Jan 6, 2026 05:19 am (GMT +1) (2 km WNW)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Chaîne des Puys volcano (France): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 16 km distance NNE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 15 km north of Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhone-Alpes, France, Jan 6, 2026 06:48 am (GMT +1) (16 km NNE)
All earthquakes at Chaîne des Puys

Clear Lake volcano (California): 22 earthquakes up to magnitude 1.7

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 52 minutes ago. Hypocenter depths ranged between 3.64 and 0.84 km.
Earthquake details: (only 5 largest)
1.7 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Jan 5, 2026 11:10 pm (GMT -8) (17 km S)
1.3 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Jan 6, 2026 06:58 am (GMT -8) (18 km SSW)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Jan 6, 2026 08:44 am (GMT -8) (16 km S)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Jan 5, 2026 04:22 pm (GMT -8) (16 km S)
1.2 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Jan 6, 2026 08:36 am (GMT -8) (16 km SSW)
All earthquakes at Clear Lake

Eyafjallajökull volcano (Iceland): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.30 km depth at 3 km distance NNE from the volcano.
Earthquake details:
2.2 quake 6.0 km WSW of Básar Jan 6, 2026 09:39 pm (Universal Time) (3 km NNE)
All earthquakes at Eyafjallajökull

Gagak volcano (West Java): 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 13.00 km depth at 2 km distance ENE from the volcano.
Earthquake details:
2.4 quake Bogor Regency, 14 km northwest of Cicurug, Indonesia, Jan 6, 2026 12:32 pm (GMT +7) (2 km ENE)
All earthquakes at Gagak

Geureudong volcano (Sumatra): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 8 km distance WSW from the volcano.
Earthquake details:
2.1 quake Kabupaten Bener Meriah, 51 km south of Bireun, Indonesia, Jan 6, 2026 07:47 pm (GMT +7) (8 km WSW)
All earthquakes at Geureudong

Gilbanta volcano (Lesser Sunda Islands): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.00 km depth at 8 km distance NNW from the volcano.
Earthquake details:
2.2 quake Flores Sea, 9 km north of Gili Banta Island, West Nusa Tenggara, Indonesia, Jan 7, 2026 12:52 am (GMT +8) (8 km NNW)
All earthquakes at Gilbanta

Kolumbo volcano (Greece): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 4 minutes, the last being recorded quake 18 hours ago. Hypocenter depths ranged between 8.30 and 7.80 km.
Earthquake details:
2.2 quake Aegean Sea, 28 km northeast of Oia, Nomos Kykladon, South Aegean, Greece, Jan 6, 2026 07:21 am (GMT +2) (16 km NE)
1.6 quake Aegean Sea, 30 km southeast of Nisi Ios Island, Greece, Jan 6, 2026 07:17 am (GMT +2) (17 km NE)
All earthquakes at Kolumbo

Kurikoma volcano (Honshu): 11 earthquakes up to magnitude 1.2

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 10.40 and 6.10 km.
Earthquake details: (only 5 largest)
1.2 quake 23 km northwest of Kurihara, Miyagi, Japan, Jan 6, 2026 07:09 pm (GMT +9) (8 km ESE)
0.8 quake 24 km northwest of Ichinoseki, Iwate, Japan, Jan 6, 2026 09:59 pm (GMT +9) (12 km NE)
0.8 quake 25 km northwest of Ichinoseki, Iwate, Japan, Jan 6, 2026 03:42 pm (GMT +9) (13 km NE)
0.7 quake 27 km northwest of Ichinoseki, Iwate, Japan, Jan 7, 2026 02:31 am (GMT +9) (12 km NNE)
0.7 quake Japan: Southern Iwate Pref Jan 7, 2026 02:39 am (GMT +9) (12 km NNE)
All earthquakes at Kurikoma

Maunaloa volcano (Hawai'i (Big Island)): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.33 km depth at 9 km distance NNW from the volcano.
Earthquake details:
2.5 quake 20 mi east of Holualoa, Hawaii County, Hawaii, United States, Jan 5, 2026 08:16 pm (GMT -10) (9 km NNW)
All earthquakes at Maunaloa

Paco volcano (Mindanao): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 17 km distance NNW from the volcano.
Earthquake details:
3.0 quake 17 km south of Surigao, Province of Surigao del Norte, Caraga, Philippines, Jan 6, 2026 07:37 pm (GMT +8) (17 km NNW)
All earthquakes at Paco

San José volcano (Central Chile and Argentina): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 0 km distance WNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 19 km southeast of Santiago, Santiago, Santiago Metropolitan, Chile, Jan 6, 2026 03:10 am (GMT -3) (0 km WNW)
All earthquakes at San José

To-shima volcano (Izu Islands): 3 earthquakes up to magnitude 2.5

3 earthquakes occurred near (under) the volcano during 47 minutes, the last being recorded quake 19 hours ago. Hypocenter depths ranged between 12.90 and 11.90 km.
Earthquake details:
2.5 quake North Pacific Ocean, Tokyo, 45 km east of Shimoda, Shizuoka, Japan, Jan 6, 2026 12:44 pm (GMT +9) (14 km ENE)
2.5 quake North Pacific Ocean, Tokyo, 45 km east of Shimoda, Shizuoka, Japan, Jan 6, 2026 12:44 pm (GMT +9) (14 km ENE)
1.1 quake North Pacific Ocean, Tokyo, 44 km east of Shimoda, Shizuoka, Japan, Jan 6, 2026 01:31 pm (GMT +9) (13 km ENE)
All earthquakes at To-shima

Towada volcano (Honshu): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 8 km distance NE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 22 km southwest of Towada, Aomori, Japan, Jan 6, 2026 04:19 pm (GMT +9) (8 km NE)
All earthquakes at Towada
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