Volcano earthquake report for Sunday, 25 October 2026

Quakes detected near: Agua (2 quakes between mag 1.7-2.1), Alaska Peninsula Arc at 155.4°W (2 quakes between mag 0.9-1.6), Atitlán (1 quake mag 2.5), Balut (4 quakes between mag 1.8-3.2), Chingo (1 quake mag 1.1), Churchill (1 quake mag 1.1)
Clear Lake (18 quakes between mag 0.6-2.5), Coso (3 quakes between mag 0.8-1.6), Cuilapa-Barbarena (1 quake mag 1.2), Eldey (5 quakes between mag 1.2-1.8), Eyafjallajökull (1 quake mag 1.6), Flores (8 quakes between mag 1.0-3.0), Golden Trout Creek (1 quake mag 1.1), Isanotski (1 quake mag 1.1), Katla (6 quakes between mag 0.0-1.3), Kilauea (1 quake mag 2.1), Kolumbo (3 quakes between mag 0.8-1.4), Maunaloa (1 quake mag 2.8), Mount Rainier (1 quake mag 1.9), Mount St. Helens (2 quakes between mag 1.3-1.4), Pacaya (1 quake mag 2.7), Shishaldin (1 quake mag 1.4), Thordarhyrna (1 quake mag 1.2), Vesuvius (2 quakes between mag 0.1-2.2) (updated 19h50)\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:

Agua volcano (Guatemala): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 13 hours ago. Hypocenter depths ranged between 7.30 and 1.80 km.
Earthquake details:
2.1 quake 7.8 km southeast of Antigua Guatemala, Departamento de Sacatepequez, Guatemala, Oct 25, 2026 01:08 am (GMT -6) (8 km NE)
1.7 quake 6.9 km northeast of Antigua Guatemala, Departamento de Sacatepequez, Guatemala, Oct 24, 2026 10:19 pm (GMT -6) (16 km NNE)
All earthquakes at Agua
Agua is a prominent 3,760 m stratovolcano beside Antigua, Guatemala. It has no recorded eruptions, while a devastating mudflow destroyed Ciudad Vieja in 1541.

Atitlán volcano (Guatemala): 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 5.00 km depth at 11 km distance SSE from the volcano.
Earthquake details:
2.5 quake 6.6 km north of Patulul, Departamento de Suchitepequez, Guatemala, Oct 24, 2026 08:07 pm (GMT -6) (11 km SSE)
All earthquakes at Atitlán
Atitlán is a 3,535 m stratovolcano beside Lake Atitlán in Guatemala. Its eruption record extends from geological evidence around 1020 BCE to a damaging VEI 3 eruption in 1853.

Balut volcano (Mindanao): 4 earthquakes up to magnitude 3.2

4 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 33.00 and 10.00 km.
Earthquake details:
3.2 quake Celebes Sea, 9.3 km south of Sarangani Island, Philippines, Oct 25, 2026 07:23 am (GMT +8) (10 km ESE)
2.5 quake Celebes Sea, 29 km west of Sarangani Island, Philippines, Oct 25, 2026 02:15 pm (GMT +8) (18 km W)
1.9 quake Province of Davao del Sur, 8.6 km west of Sarangani, Philippines, Oct 25, 2026 11:07 pm (GMT +8) (3 km SE)
1.8 quake Celebes Sea, 26 km west of Sarangani Island, Philippines, Oct 25, 2026 08:17 am (GMT +8) (14 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.

Clear Lake volcano (California): 18 earthquakes up to magnitude 2.5

Possible earthquake swarm: 18 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 6.01 and 0.03 km.
Earthquake details: (only 5 largest)
2.5 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Oct 24, 2026 01:39 pm (GMT -7) (15 km S)
2.3 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 24, 2026 01:39 pm (GMT -7) (16 km S)
2.2 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 24, 2026 07:15 pm (GMT -7) (16 km S)
2.1 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 25, 2026 07:06 am (GMT -7) (15 km SSW)
1.9 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Oct 24, 2026 11:54 pm (GMT -7) (19 km S)
All earthquakes at Clear Lake

Flores volcano (Guatemala): 8 earthquakes up to magnitude 3.0

8 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 5.40 and 1.20 km.
Earthquake details: (only 5 largest)
3.0 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 25, 2026 05:47 am (GMT -6) (14 km WNW)
2.9 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 24, 2026 11:47 pm (GMT -6) (14 km WNW)
2.0 quake 25 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 24, 2026 04:51 pm (GMT -6) (16 km NW)
1.6 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 24, 2026 04:34 pm (GMT -6) (14 km WNW)
1.5 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 25, 2026 12:37 am (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.

Kilauea volcano (Hawai'i (Big Island)): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 28.30 km depth at 14 km distance SSW from the volcano.
Earthquake details:
2.1 quake 12 mi southwest of Volcano, Hawaii County, Hawaii, United States, Oct 25, 2026 07:44 am (GMT -10) (14 km SSW)
All earthquakes at Kilauea

Maunaloa volcano (Hawai'i (Big Island)): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 34.54 km depth at 2 km distance E from the volcano.
Earthquake details:
2.8 quake 37 mi southwest of Hilo, Hawaii County, Hawaii, United States, Oct 25, 2026 12:34 am (GMT -10) (2 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.

Pacaya volcano (Guatemala): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 31.10 km depth at 13 km distance ENE from the volcano.
Earthquake details:
2.7 quake 22 km south of Guatemala City, Departamento de Guatemala, Guatemala, Oct 25, 2026 07:30 am (GMT -6) (13 km ENE)
All earthquakes at Pacaya
Pacaya, about 30 km south of Guatemala City, has frequently produced Strombolian explosions, ash plumes and lava flows. Its last known eruption continued from 2015 to August 2021.

Vesuvius volcano (Italy): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano at nearly the same time (04:03 UTC). Hypocenter depths ranged between 3.60 and 0.51 km.
Earthquake details:
2.2 quake Provincia di Avellino, 6.6 km north of Sarno, Italy, Oct 25, 2026 05:03 am (GMT +1) (19 km ENE)
0.1 quake 14 km east of Naples, Napoli, Campania, Italy, Oct 25, 2026 04:03 am (Universal Time) (0 km S)
All earthquakes at Vesuvius
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/387539/Volcano-earthquake-report-2026-10-25.html