Volcano earthquake report for Monday, 5 October 2026

Quakes detected near: Agua (1 quake mag 1.1), Awu (1 quake mag 3.4), Azufral (1 quake mag 3.9), Balut (8 quakes between mag 1.4-2.8), Bardarbunga (17 quakes between mag 0.0-2.2), Baru (1 quake mag 2.9)
Clear Lake (25 quakes between mag 0.2-1.7), Coatepeque (2 quakes between mag 2.4-2.5), Coso (5 quakes between mag 0.4-1.5), Etna (1 quake mag 1.2), Flores (10 quakes between mag 1.1-3.2), Grímsvötn (1 quake mag 4.7), Heiðarsporðar (2 quakes between mag 0.0-2.2), Katla (6 quakes between mag 0.0-2.0), Katmai (4 quakes between mag 0.6-1.0), Kilauea (2 quakes between mag 1.7-3.6), Kolbeinsey Ridge (3 quakes between mag 2.0-2.8), Ljósufjöll (7 quakes between mag 0.5-1.6), Loihi (3 quakes between mag 1.7-1.9), Loki-Fögrufjöll volcano (1 quake mag 1.5), Long Valley (1 quake mag 1.3), Mabudis-Siayan (1 quake mag 2.9), Martin (2 quakes between mag 1.0-1.2), Masaya (1 quake mag 2.1), Mauna Kea (1 quake mag 1.8), Maunaloa (2 quakes between mag 1.7-2.6), Mayotte Island (1 quake mag 1.1), Morne aux Diables (1 quake mag 2.3), Norikura (1 quake mag 2.0), Okataina (Tarawera) (1 quake mag 1.8), Orosí (1 quake mag 2.0), Prestahnukur (3 quakes between mag 0.7-1.6), Rotorua (1 quake mag 1.7), Sabancaya (1 quake mag 3.5), Santiaguito (3 quakes between mag 1.1-1.3), Svartsengi (1 quake mag 1.1), Taupo (1 quake mag 1.7), Tecuamburro (1 quake mag 1.5), Theistareykjarbunga (1 quake mag 1.0), Turrialba (1 quake mag 1.6), Vesuvius (4 quakes between mag 0.1-1.1) (updated 18h50)\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:

Awu volcano (Sulawesi & Sangihe Islands): magnitude 3.4 earthquake

A magnitude 3.4 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 20.00 km depth at 15 km distance NE from the volcano.
Earthquake details:
3.4 quake Philippine Sea, 23 km north of Sangihe Besar Island, Sulawesi Utara, Indonesia, Oct 5, 2026 03:22 pm (GMT +8) (15 km NE)
All earthquakes at Awu
Awu is a highly active stratovolcano on Indonesia’s Great Sangihe Island. Five destructive eruptions between 1711 and 1966 caused more than 8,000 deaths, while its last known eruption in 2004 produced ash, explosions and a lava dome.

Azufral volcano (Colombia): 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 1.00 km depth at 12 km distance NNE from the volcano.
Earthquake details:
3.9 quake 40 km west of Pasto, Departamento de Narino, Colombia, Oct 4, 2026 09:22 pm (GMT -5) (12 km NNE)
All earthquakes at Azufral
Azufral is a southern Colombian stratovolcano whose summit caldera contains the green Laguna Verde and numerous lava domes. Its youngest recognized eruption is tentatively dated to about 930 BCE, while a small hydrothermal explosion occurred in 2009.

Balut volcano (Mindanao): 8 earthquakes up to magnitude 2.8

8 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 1 hour 41 minutes ago. Hypocenter depths ranged between 44.00 and 2.00 km.
Earthquake details: (only 5 largest)
2.8 quake Celebes Sea, 13 km south of Sarangani Island, Philippines, Oct 5, 2026 05:35 am (GMT +8) (10 km SE)
2.7 quake Philippine Sea, 14 km south of Sarangani Island, Philippines, Oct 5, 2026 10:36 pm (GMT +8) (14 km SE)
2.3 quake Philippine Sea, 14 km west of Sarangani Island, Philippines, Oct 5, 2026 06:00 pm (GMT +8) (7 km NNW)
2.1 quake Celebes Sea, 30 km southwest of Sarangani Island, Philippines, Oct 5, 2026 10:15 pm (GMT +8) (18 km SW)
2.0 quake Celebes Sea, 24 km west of Sarangani Island, Philippines, Oct 5, 2026 10:59 am (GMT +8) (12 km WSW)
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): 17 earthquakes up to magnitude 2.2

Possible earthquake swarm: 17 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 27 minutes ago. Hypocenter depths ranged between 9.10 and 0.00 km.
Earthquake details: (only 5 largest)
2.2 quake Iceland: 7.8 km E of Bárðarbunga Oct 5, 2026 05:29 pm (Reykjavik time) (8 km ENE)
2.0 quake Iceland: 5.6 km E of Bárðarbunga Oct 5, 2026 05:29 pm (Reykjavik time) (6 km E)
1.7 quake Iceland: 5.2 km ESE of Bárðarbunga Oct 5, 2026 05:30 pm (Reykjavik time) (5 km E)
1.3 quake Iceland: 4.5 km E of Bárðarbunga Oct 5, 2026 06:01 pm (Reykjavik time) (5 km E)
1.0 quake Iceland: 2.5 km E of Bárðarbunga Oct 5, 2026 06:02 pm (Reykjavik time) (3 km ENE)
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.

Baru volcano (Panama): magnitude 2.9 earthquake

A magnitude 2.9 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 20.00 km depth at 18 km distance SSE from the volcano.
Earthquake details:
2.9 quake 27 km north of David, Provincia de Chiriqui, Panama, Oct 4, 2026 07:36 pm (GMT -5) (18 km SSE)
All earthquakes at Baru

Clear Lake volcano (California): 25 earthquakes up to magnitude 1.7

Possible earthquake swarm: 25 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 45 minutes ago. Hypocenter depths ranged between 6.62 and 1.34 km.
Earthquake details: (only 5 largest)
1.7 quake 12 mi southwest of Clearlake, Lake County, California, United States, Oct 5, 2026 03:15 am (GMT -7) (15 km S)
1.4 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Oct 5, 2026 04:48 pm (Universal Time) (17 km S)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Oct 5, 2026 07:39 am (Universal Time) (16 km SSW)
1.1 quake Mendocino County, 29 mi north of Santa Rosa, Sonoma County, California, United States, Oct 5, 2026 06:05 pm (Universal Time) (15 km SSW)
1.0 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Oct 5, 2026 05:16 pm (Universal Time) (18 km SSW)
All earthquakes at Clear Lake

Coatepeque volcano (El Salvador): 2 earthquakes up to magnitude 2.5

2 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 16 hours ago. Hypocenter depths ranged between 8.00 and 5.50 km.
Earthquake details:
2.5 quake 22 km south of Santa Ana, Departamento de Santa Ana, El Salvador, Oct 4, 2026 08:41 pm (GMT -6) (9 km SSE)
2.4 quake Departamento de Sonsonate, 36 km west of San Salvador, El Salvador, Oct 4, 2026 02:41 pm (GMT -6) (11 km SSE)
All earthquakes at Coatepeque
Coatepeque is a large, lake-filled caldera in El Salvador, formed by major explosive eruptions between about 72,000 and 51,000 years ago. Its youngest dome may be less than 10,000 years old, although no eruption has been verified.

Flores volcano (Guatemala): 10 earthquakes up to magnitude 3.2

10 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 4.20 and 2.60 km.
Earthquake details: (only 5 largest)
3.2 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 5, 2026 07:38 am (GMT -6) (14 km WNW)
3.2 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 5, 2026 01:38 am (GMT -6) (14 km WNW)
2.2 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 5, 2026 01:02 am (GMT -6) (14 km WNW)
2.0 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 5, 2026 02:49 am (GMT -6) (15 km WNW)
2.0 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 5, 2026 01:38 am (GMT -6) (13 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): magnitude 4.7 earthquake

A magnitude 4.7 earthquake occurred at the volcano 1 hour 22 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 10 km distance N from the volcano.
Earthquake details:
4.7 quake 136 km south of Akureyri, Northeast, Iceland, Oct 5, 2026 05:28 pm (Reykjavik time) (10 km N)
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.

Kilauea volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 3.6

2 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 28.21 and 4.57 km.
Earthquake details:
3.6 quake 29 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 5, 2026 02:31 am (GMT -10) (8 km S)
1.7 quake 27 mi south of Hilo, Hawaii County, Hawaii, United States, Oct 4, 2026 07:57 pm (GMT -10) (17 km ESE)
All earthquakes at Kilauea

Kolbeinsey Ridge volcano (Iceland): 3 earthquakes up to magnitude 2.8

3 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 10.00 and 10.00 km.
Earthquake details:
2.8 quake 66 km north of Siglufjordur, Northeast, Iceland, Oct 4, 2026 09:46 pm (Reykjavik time) (15 km WNW)
2.0 quake 35.4 km WNW of Grímsey Oct 5, 2026 11:12 am (Universal Time) (9 km WNW)
2.0 quake 37.1 km WNW of Grímsey Oct 5, 2026 04:44 am (Universal Time) (11 km WNW)
All earthquakes at Kolbeinsey Ridge
Kolbeinsey Ridge is a submarine fissure-vent system north of Iceland, with tiny Kolbeinsey Island as its only expression above sea level. Historical eruption reports from 1372 and 1755 have uncertain locations.

Mabudis-Siayan volcano (North of Luzon): magnitude 2.9 earthquake

A magnitude 2.9 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 18.00 km depth at 9 km distance SSW from the volcano.
Earthquake details:
2.9 quake South China Sea, 10.2 km north of Itbayat Island, Philippines, Oct 6, 2026 12:43 am (GMT +8) (9 km SSW)
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.

Masaya volcano (Nicaragua): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 7 km distance N from the volcano.
Earthquake details:
2.1 quake Departamento de Masaya, 13 km southeast of Managua, Nicaragua, Oct 5, 2026 02:37 am (GMT -6) (7 km N)
All earthquakes at Masaya
Masaya is a frequently active Nicaraguan volcano about 20 km southeast of Managua. Known for its intermittent lava lake, it has also produced lava flows, explosive eruptions, ashfall and prolonged gas emissions.

Maunaloa volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.6

2 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 38.39 and 35.00 km.
Earthquake details:
2.6 quake 37 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 4, 2026 08:18 pm (GMT -10) (6 km SE)
1.7 quake 39 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 5, 2026 12:51 am (GMT -10) (6 km S)
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.

Morne aux Diables volcano (Caribbean): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.67 km depth at 1 km distance SSW from the volcano.
Earthquake details:
2.3 quake Saint John, 34 km north of Roseau, Saint George, Dominica, Oct 4, 2026 09:12 pm (GMT -4) (1 km SSW)
All earthquakes at Morne aux Diables
Morne aux Diables is a lava-dome complex at the northern tip of Dominica. No eruptions have been recorded, but it has bubbling thermal springs and experienced notable earthquake unrest in 2009-2010.

Sabancaya volcano (Peru): magnitude 3.5 earthquake

A magnitude 3.5 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.00 km depth at 15 km distance NW from the volcano.
Earthquake details:
3.5 quake 90 km northwest of Arequipa, Arequipa, Peru, Oct 4, 2026 06:03 pm (GMT -5) (15 km NW)
All earthquakes at Sabancaya
Sabancaya is an active stratovolcano in Peru whose observed eruptions date to 1750. Its recent activity has included frequent explosions, ash plumes, lava-dome growth, pyroclastic flows and lahars.
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/371524/Volcano-earthquake-report-2026-10-05.html