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), Balut (5 quakes between mag 1.6-2.7), Bardarbunga (42 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 (20 quakes between mag 0.2-1.4)
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 (3 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 (2 quakes between mag 0.7-1.0), Kupreanof (1 quake mag 1.3), Ljósufjöll (11 quakes between mag 0.2-1.6), Loihi (1 quake mag 1.9), Loki-Fögrufjöll volcano (3 quakes between mag 0.1-1.5), Mabudis-Siayan (1 quake mag 3.0), Maunaloa (3 quakes between mag 1.9-2.2), 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 13h50)\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:



Balut volcano (Mindanao): 5 earthquakes up to magnitude 2.7

5 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 32.00 and 2.00 km.
Earthquake details:
2.7 quake 009 km N 41° W of Sarangani Island (Municipality of Sarangani) (Davao Occidental) Oct 5, 2026 10:36 pm (GMT +8) (15 km NNE)
1.9 quake 026 km S 69° W of Balut Island (Municipality of Sarangani) (Davao Occidental) Oct 6, 2026 01:09 am (GMT +8) (17 km WSW)
1.8 quake 015 km S 80° W of Balut Island (Municipality of Sarangani) (Davao Occidental) Oct 6, 2026 04:55 am (GMT +8) (10 km W)
1.6 quake Philippines: 009 km S 60° E of Balut Island (Municipality of Sarangani) (Davao Occidental) Oct 6, 2026 05:04 am (GMT +8) (14 km ESE)
1.6 quake 012 km S 23° E of Balut Island (Municipality of Sarangani) (Davao Occidental) Oct 6, 2026 03:23 am (GMT +8) (14 km SE)
All earthquakes at Balut
Balut 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.

Bardarbunga volcano (Iceland): 42 earthquakes up to magnitude 2.0

Possible earthquake swarm: 42 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 1 hour 37 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): 20 earthquakes up to magnitude 1.4

Possible earthquake swarm: 20 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 29 minutes ago. Hypocenter depths ranged between 2.94 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 6 km WNW of the Geysers, CA, Oct 6, 2026 09:21 am (Universal Time) (19 km S)
1.1 quake 6 km NW of the Geysers, CA, Oct 6, 2026 03:32 am (Universal Time) (17 km S)
1.1 quake 4 km W of Cobb, CA, Oct 6, 2026 02:54 am (Universal Time) (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 13 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 18 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 7 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): 3 earthquakes up to magnitude 4.7

3 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 18.00 and 2.90 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)
0.1 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.

Ljósufjöll volcano (Iceland): 11 earthquakes up to magnitude 1.6

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 19.50 and 0.00 km.
Earthquake details: (only 5 largest)
1.6 quake 29.8 km N of Borgarnes Oct 5, 2026 02:40 pm (Universal Time) (15 km ESE)
1.1 quake 28.4 km N of Borgarnes Oct 5, 2026 02:52 pm (Universal Time) (16 km ESE)
1.0 quake 27.9 km N of Borgarnes Oct 5, 2026 04:18 pm (Universal Time) (15 km ESE)
0.9 quake 27.7 km N of Borgarnes Oct 5, 2026 04:21 pm (Universal Time) (16 km ESE)
0.8 quake Iceland: 29.2 km N of Borgarnes Oct 5, 2026 02:29 pm (Reykjavik time) (13 km ESE)
All earthquakes at Ljósufjöll
Ljósufjöll is an Icelandic volcanic field with evidence of repeated activity during the past 10,000 years. Its last known eruption occurred around 960 CE and combined explosive activity with lava production.

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

A magnitude 3.0 earthquake occurred at the volcano 21 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)): 3 earthquakes up to magnitude 2.2

3 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 58 minutes 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)
2.1 quake 26 km E of Honaunau-Napoopoo, Hawaii, Oct 5, 2026 05:17 am (GMT -10) (3 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 4 hours ago. Hypocenter depths ranged between 6.17 and 0.00 km.
Earthquake details: (only 5 largest)
1.1 quake Vesuvio Oct 6, 2026 02:45 am (Universal Time) (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