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

Quakes detected near: Apaneca Range (3 quakes between mag 0.9-1.4), Augustine (1 quake mag 1.5), Balut (6 quakes between mag 1.5-1.9), Bardarbunga (44 quakes between mag 0.0-2.0), Cabalian (1 quake mag 1.9), Campi Flegrei (Phlegrean Fields) (3 quakes between mag 0.1-1.9)
Clear Lake (18 quakes between mag 0.3-1.4), Coso (1 quake mag 1.3), El Hierro (1 quake mag 2.4), Eldey (1 quake mag 1.0), Fantale (1 quake mag 4.6), Flores (6 quakes between mag 1.0-2.5), Grímsvötn (4 quakes between mag 0.1-4.7), Heiðarsporðar (2 quakes between mag 0.0-2.2), Hengill (1 quake mag 1.9), Karapinar (1 quake mag 1.5), Katmai (1 quake mag 1.0), Kupreanof (1 quake mag 1.3), Ljósufjöll (6 quakes between mag 0.2-1.0), Loki-Fögrufjöll volcano (3 quakes between mag 0.1-1.5), Mabudis-Siayan (1 quake mag 3.0), Maunaloa (2 quakes between mag 1.9-2.2), Methana (1 quake mag 1.6), Mount Hood (1 quake mag 1.4), Okataina (Tarawera) (1 quake mag 1.3), Papandayan (1 quake mag 2.0), Prestahnukur (3 quakes between mag 1.0-2.0), Rincón de la Vieja (1 quake mag 1.9), Rotorua (1 quake mag 1.3), Svartsengi (8 quakes between mag 0.1-1.7), Tenerife (3 quakes between mag 1.4-1.6), Vesuvius (25 quakes between mag 0.1-1.1), Wrangell (1 quake mag 1.1) (updated 15h50)\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.\n
Volcanoes with recent earthquakes above magnitude 2 or more than 10 quakes are listed below:



Bardarbunga volcano (Iceland): 44 earthquakes up to magnitude 2.0

Possible earthquake swarm: 44 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 45 minutes ago. Hypocenter depths ranged between 22.80 and 0.00 km.
Earthquake details: (only 5 largest)
2.0 quake 8.6 km E of Bárðarbunga Oct 5, 2026 05:29 pm (Universal Time) (8 km ENE)
1.9 quake 7.6 km E of Bárðarbunga Oct 6, 2026 01:49 am (Universal Time) (8 km E)
1.8 quake 5.1 km E of Bárðarbunga Oct 5, 2026 05:29 pm (Universal Time) (6 km E)
1.5 quake 4.4 km E of Bárðarbunga Oct 5, 2026 05:30 pm (Universal Time) (5 km ENE)
1.4 quake 7.7 km E of Bárðarbunga Oct 6, 2026 12:06 am (Universal Time) (8 km E)
All earthquakes at Bardarbunga
Bárðarbunga is an ice-covered Icelandic stratovolcano whose far-reaching fissure system has produced enormous lava flows and major explosive eruptions. Its 2014-15 Holuhraun eruption created a lava field of almost 85 km².

Clear Lake volcano (California): 18 earthquakes up to magnitude 1.4

Possible earthquake swarm: 18 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 20 minutes ago. Hypocenter depths ranged between 2.85 and 0.21 km.
Earthquake details: (only 5 largest)
1.4 quake 5 km NNW of the Geysers, CA, Oct 5, 2026 09:48 am (GMT -7) (17 km S)
1.3 quake 7 km NW of the Geysers, CA, Oct 6, 2026 04:23 am (GMT -7) (17 km SSW)
1.1 quake 7 km WNW of the Geysers, CA, Oct 6, 2026 08:30 am (GMT -7) (18 km SSW)
1.1 quake 6 km WNW of the Geysers, CA, Oct 6, 2026 02:21 am (GMT -7) (19 km S)
1.1 quake 6 km NW of the Geysers, CA, Oct 5, 2026 08:32 pm (GMT -7) (17 km S)
All earthquakes at Clear Lake

El Hierro volcano (Canary Islands): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 32.80 km depth at 3 km distance W from the volcano.
Earthquake details:
2.4 quake Canary Islands, Spain Region, Oct 6, 2026 01:31 am (GMT +1) (3 km W)
All earthquakes at El Hierro
El Hierro is a shield volcano in Spain’s Canary Islands. Its first documented historical eruption occurred underwater south of the island in 2011–12 and built a new volcanic cone on the seabed.

Fantale volcano (Ethiopia): magnitude 4.6 earthquake

A magnitude 4.6 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 12 km distance ESE from the volcano.
Earthquake details:
4.6 quake 12 km ENE of Metahāra, Ethiopia, Oct 5, 2026 10:47 pm (Addis Ababa time) (12 km ESE)
All earthquakes at Fantale
Fantale is an Ethiopian stratovolcano distinguished by a 2.5 x 4.5 km summit caldera and extensive obsidian lava flows. Its only confirmed historical eruptive period occurred around 1789; substantial unrest was also recorded in 2015 and 2024–25.

Flores volcano (Guatemala): 6 earthquakes up to magnitude 2.5

6 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 17.50 and 4.20 km.
Earthquake details: (only 5 largest)
2.5 quake Guatemala Oct 6, 2026 12:38 am (GMT -6) (15 km WNW)
2.4 quake Guatemala Oct 5, 2026 06:38 pm (GMT -6) (13 km WNW)
1.4 quake Guatemala Oct 5, 2026 06:52 pm (GMT -6) (16 km WNW)
1.4 quake Guatemala Oct 5, 2026 04:55 pm (GMT -6) (15 km WNW)
1.3 quake Guatemala Oct 5, 2026 05:06 pm (GMT -6) (15 km WNW)
All earthquakes at Flores
Flores, also known as Volcán Amayo, is a volcanic field about 10 km west of Jutiapa in southeastern Guatemala. Its last eruption is undated, and none are known from approximately the past 11,700 years.

Grímsvötn volcano (Iceland): 4 earthquakes up to magnitude 4.7

4 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 28 minutes ago. Hypocenter depths ranged between 18.00 and 0.00 km.
Earthquake details:
4.7 quake 105 km WNW of Höfn, Iceland, Oct 5, 2026 05:28 pm (Reykjavik time) (10 km N)
0.3 quake Iceland: 14.8 km NW of Grímsfjall Oct 6, 2026 11:28 am (Reykjavik time) (12 km NW)
0.2 quake Iceland: 7.2 km SSW of Grímsfjall Oct 6, 2026 02:22 pm (Reykjavik time) (9 km S)
0.1 quake Iceland: 14.4 km E of Hamarinn Oct 6, 2026 11:22 am (Reykjavik time) (13 km NW)
All earthquakes at Grímsvötn

Heiðarsporðar volcano (Iceland): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano at nearly the same time (17:28 UTC). Hypocenter depths ranged between 4.60 and 4.60 km.
Earthquake details:
2.2 quake Iceland: 11.6 km S of Kröfluvirkjun Oct 5, 2026 05:28 pm (Reykjavik time) (6 km ENE)
0.0 quake Iceland: 11.6 km S of Kröfluvirkjun Oct 5, 2026 05:28 pm (Reykjavik time) (6 km ENE)
All earthquakes at Heiðarsporðar
Heiðarsporðar is a 22 km-long Icelandic volcanic system of fissures and a developing central volcano. Its eruption around 300 BCE produced a lava flow extending 60 km and covering about 220 km².

Mabudis-Siayan volcano (North of Luzon): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 18.00 km depth at 11 km distance S from the volcano.
Earthquake details:
3.0 quake 006 km N 57° E of Itbayat (Batanes) Oct 6, 2026 12:43 am (GMT +8) (11 km S)
All earthquakes at Mabudis-Siayan
Mabudis-Siayan is a largely submarine Philippine volcano whose exposed summit area includes Mabudis, Maysanga and Siayan islands. Its last known eruption occurred more than approximately 11,700 years ago.

Maunaloa volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 34.33 and 0.86 km.
Earthquake details:
2.2 quake 27 km E of Honaunau-Napoopoo, Hawaii, Oct 5, 2026 05:21 pm (GMT -10) (4 km S)
1.9 quake 22 km W of Volcano, Hawaii, Oct 6, 2026 02:51 am (GMT -10) (17 km E)
All earthquakes at Maunaloa
Maunaloa is a huge, frequently active shield volcano on Hawaiʻi’s Big Island. Its predominantly lava-producing eruptions include a well-documented episode in November–December 2022.

Vesuvius volcano (Italy): 25 earthquakes up to magnitude 1.1

Possible earthquake swarm: 25 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 6.17 and 0.00 km.
Earthquake details: (only 5 largest)
1.1 quake Vesuvio Oct 6, 2026 04:45 am (GMT +2) (0 km E)
0.5 quake Vesuvio Oct 6, 2026 09:54 am (Universal Time) (1 km E)
0.5 quake Italy: Vesuvio Oct 6, 2026 05:20 am (Universal Time) (0 km ENE)
0.3 quake Italy: Vesuvio Oct 6, 2026 05:20 am (Universal Time) (0 km SE)
0.3 quake Italy: Vesuvio Oct 6, 2026 03:17 am (Universal Time) (0 km E)
All earthquakes at Vesuvius
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/372138/Volcano-earthquake-report-2026-10-06.html