Volcano earthquake report for Saturday, 28 Feb 2026

Quakes detected near: Bratan (1 quake mag 3.0), Cabalian (1 quake mag 2.2), Campi Flegrei (Phlegrean Fields) (22 quakes between mag 0.1-3.5), Clear Lake (20 quakes between mag 0.2-1.2), Coso (5 quakes between mag 0.9-2.0), El Chichón (10 quakes between mag 2.2-3.2)
Etna (2 quakes between mag 1.5-1.8), Geureudong (1 quake mag 2.1), Grímsnes (3 quakes between mag 0.4-1.6), Hualalai (1 quake mag 2.0), Iliniza (1 quake mag 3.0), Katla (4 quakes between mag 0.3-1.2), Kilauea (3 quakes between mag 1.7-1.8), La Palma (1 quake mag 1.7), Loihi (1 quake mag 1.7), Mahagnao (1 quake mag 2.2), Mauna Kea (1 quake mag 2.7), Methana (1 quake mag 2.0), Ontake-san (1 quake mag 2.5), Osore-yama (1 quake mag 3.0), Pacaya (2 quakes between mag 0.0-2.5), Paluweh (1 quake mag 2.4), Prestahnukur (1 quake mag 1.1), San Cristobal (1 quake mag 3.0), San Diego (1 quake mag 1.2), San Salvador (1 quake mag 1.8), Svartsengi (2 quakes between mag 0.5-1.1), Tjörnes Fracture Zone (3 quakes between mag 0.5-1.7), Torfajökull (3 quakes between mag 0.9-1.2), West Crater (1 quake mag 1.8), Whale Island (1 quake mag 2.1) (updated 16h50)

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:

Bratan volcano (Bali): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 1 km distance SSE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 20 km south of Singaraja, Kabupaten Buleleng, Provinsi Bali, Indonesia, Feb 28, 2026 01:56 pm (GMT +8) (1 km SSE)
All earthquakes at Bratan

Cabalian volcano (Central Philippines): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 28.00 km depth at 17 km distance NW from the volcano.
Earthquake details:
2.2 quake Province of Southern Leyte, 41 km south of Abuyog, Philippines, Feb 28, 2026 01:25 am (GMT +8) (17 km NW)
All earthquakes at Cabalian

Campi Flegrei (Phlegrean Fields) volcano (Italy): 22 earthquakes up to magnitude 3.5

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 3.22 and 0.61 km.
Earthquake details: (only 5 largest)
3.5 quake 10.9 km west of Naples, Napoli, Campania, Italy, Feb 28, 2026 11:19 am (GMT +1) (5 km N)
2.3 quake 4 km east of Pozzuoli, Napoli, Campania, Italy, Feb 28, 2026 11:22 am (GMT +1) (1 km N)
1.4 quake 3.8 km east of Pozzuoli, Napoli, Campania, Italy, Feb 28, 2026 01:51 pm (GMT +1) (1 km NNW)
1.2 quake 3.4 km southeast of Pozzuoli, Napoli, Campania, Italy, Feb 28, 2026 02:38 pm (GMT +1) (1 km NW)
1.2 quake 3.4 km southeast of Pozzuoli, Napoli, Campania, Italy, Feb 28, 2026 11:20 am (GMT +1) (1 km NW)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 20 earthquakes up to magnitude 1.2

Possible earthquake swarm: 20 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 8.58 and 0.43 km.
Earthquake details: (only 5 largest)
1.2 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Feb 27, 2026 05:37 pm (GMT -8) (16 km SSW)
1.1 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Feb 27, 2026 07:02 pm (GMT -8) (16 km SSW)
1.0 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Feb 27, 2026 10:27 am (GMT -8) (16 km SSW)
1.0 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, Feb 28, 2026 06:13 am (GMT -8) (15 km SSW)
1.0 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Feb 28, 2026 04:32 am (GMT -8) (15 km SSW)
All earthquakes at Clear Lake

El Chichón volcano (Southern Mexico): 10 earthquakes up to magnitude 3.2

10 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 3.00 and 2.00 km.
Earthquake details: (only 5 largest)
3.2 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Feb 27, 2026 08:41 pm (GMT -6) (1 km NNW)
2.9 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Feb 27, 2026 07:23 pm (GMT -6) (2 km NW)
2.7 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Feb 27, 2026 04:48 pm (GMT -6) (1 km NNW)
2.6 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, Feb 27, 2026 10:47 pm (GMT -6) (1 km NNW)
2.4 quake Estado de Chiapas, 38 km southwest of Teapa, Estado de Tabasco, Mexico, Feb 27, 2026 06:57 pm (GMT -6) (1 km SW)
All earthquakes at El Chichón

Geureudong volcano (Sumatra): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 6 km distance ESE from the volcano.
Earthquake details:
2.1 quake Kabupaten Bener Meriah, 58 km southwest of Lhokseumawe, Indonesia, Feb 28, 2026 02:31 am (GMT +7) (6 km ESE)
All earthquakes at Geureudong

Iliniza volcano (Ecuador): 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 10.00 km depth at 18 km distance SSE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 14 km north of Latacunga, Provincia de Cotopaxi, Ecuador, Feb 27, 2026 02:33 pm (GMT -5) (18 km SSE)
All earthquakes at Iliniza

Mahagnao volcano (Central Philippines): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 1 hour 44 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 3.00 km depth at 12 km distance SSW from the volcano.
Earthquake details:
2.2 quake 21 km south of Burauen, Province of Leyte, Eastern Visayas, Philippines, Feb 28, 2026 11:06 pm (GMT +8) (12 km SSW)
All earthquakes at Mahagnao

Mauna Kea volcano (Hawai'i (Big Island)): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 13 hours ago. The quake, which might be volcanic in origin, was located at a depth of 48.31 km depth at 19 km distance NW from the volcano.
Earthquake details:
2.7 quake 8 mi southeast of Waimea, Hawaii County, Hawaii, United States, Feb 27, 2026 05:55 pm (GMT -10) (19 km NW)
All earthquakes at Mauna Kea

Ontake-san volcano (Honshu): 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 7.00 km depth at 15 km distance E from the volcano.
Earthquake details:
2.5 quake 29 km west of Ina, Nagano, Japan, Feb 28, 2026 07:59 am (GMT +9) (15 km E)
All earthquakes at Ontake-san

Osore-yama volcano (Honshu): 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 4 km distance NE from the volcano.
Earthquake details:
Reported quake or seismic-like event: 37 km southwest of Hachinohe, Aomori, Japan, Feb 28, 2026 02:18 pm (GMT +9) (4 km NE)
All earthquakes at Osore-yama

Pacaya volcano (Guatemala): 2 earthquakes up to magnitude 2.5

2 earthquakes occurred near (under) the volcano at nearly the same time (03:47 UTC). Hypocenter depths ranged between 5.00 and 5.00 km.
Earthquake details:
2.5 quake 8.4 km east of Palin, Departamento de Escuintla, Guatemala, Feb 27, 2026 09:47 pm (GMT -6) (2 km WNW)
0.0 quake Departamento de Escuintla, 29 km southwest of Guatemala City, Guatemala, Feb 27, 2026 09:47 pm (GMT -6) (3 km NW)
All earthquakes at Pacaya

Paluweh volcano (Lesser Sunda Islands): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 27.00 km depth at 8 km distance NNW from the volcano.
Earthquake details:
2.4 quake Flores Sea, 65 km north of Ende, Kabupaten Ende, East Nusa Tenggara, Indonesia, Feb 28, 2026 12:22 pm (GMT +8) (8 km NNW)
All earthquakes at Paluweh

San Cristobal volcano (Nicaragua): 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 10 km distance NNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 19 km northeast of Chinandega, Departamento de Chinandega, Nicaragua, Feb 27, 2026 10:34 pm (GMT -6) (10 km NNW)
All earthquakes at San Cristobal

Whale Island volcano (New Zealand): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 10 km distance SW from the volcano.
Earthquake details:
2.1 quake 9.7 km northwest of Whakatane, Bay of Plenty, New Zealand, Mar 1, 2026 12:17 am (GMT +13) (10 km SW)
All earthquakes at Whale Island
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/296173/Volcano-earthquake-report-for-Saturday-28-Feb-2026.html