Volcano earthquake report for Saturday, 16 May 2026

Quakes detected near: Akyarlar (1 quake mag 1.6), Bardarbunga (11 quakes between mag 0.1-1.6), Brennisteinsfjöll (1 quake mag 1.1), Clear Lake (26 quakes between mag 0.2-2.1), Coso (1 quake mag 1.6), Don Joao de Castro Bank (1 quake mag 3.0)
El Chichón (3 quakes between mag 2.2-2.2), Eldey (5 quakes between mag 0.6-1.4), Etna (1 quake mag 3.0), Hualalai (1 quake mag 3.0), Hulubelu (2 quakes between mag 2.2-2.3), Isla San Luis (1 quake mag 3.3), Izumbwe-Mpoli (1 quake mag 3.0), Katla (9 quakes between mag 0.0-2.2), Kilauea (5 quakes between mag 1.3-2.0), Koruhüyüğü (1 quake mag 1.8), Krafla (1 quake mag 1.5), Loihi (2 quakes between mag 1.9-2.0), Marapi (1 quake mag 2.6), Martin (8 quakes between mag 0.1-1.8), Mayotte Island (1 quake mag 1.3), Methana (1 quake mag 1.5), Ontake-san (1 quake mag 3.5), Prestahnukur (15 quakes between mag 0.2-1.9), Pululahua (1 quake mag 2.7), Sekincau Belirang (1 quake mag 2.0), Stepovak Bay 4 (1 quake mag 2.0), Süphan Dağ (1 quake mag 2.1), Taupo (2 quakes between mag 1.3-2.0), Tenerife (4 quakes between mag 1.2-1.7), Tjörnes Fracture Zone (1 quake mag 1.6), Tongariro (2 quakes between mag 0.9-1.2) (updated 08h50)

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:

Bardarbunga 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 6 hours ago. Hypocenter depths ranged between 20.30 and 0.00 km.
Earthquake details: (only 5 largest)
1.6 quake 4.4 km SSE of Bárðarbunga May 15, 2026 12:13 pm (Universal Time) (3 km SE)
0.9 quake 3.6 km SE of Bárðarbunga May 15, 2026 10:09 am (Universal Time) (3 km SE)
0.8 quake 17.3 km ESE of Bárðarbunga May 16, 2026 02:38 am (Universal Time) (17 km ESE)
0.8 quake Iceland: 3.9 km ENE of Bárðarbunga May 15, 2026 10:57 pm (Reykjavik time) (5 km NE)
0.8 quake Iceland: 4.0 km NE of Bárðarbunga May 15, 2026 08:36 pm (Reykjavik time) (5 km NE)
All earthquakes at Bardarbunga

Clear Lake volcano (California): 26 earthquakes up to magnitude 2.1

Possible earthquake swarm: 26 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 42 minutes ago. Hypocenter depths ranged between 16.86 and 0.49 km.
Earthquake details: (only 5 largest)
2.1 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, May 15, 2026 02:23 am (GMT -7) (18 km SSW)
1.4 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, May 15, 2026 04:46 pm (GMT -7) (16 km S)
1.3 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, May 15, 2026 09:23 am (GMT -7) (18 km S)
1.3 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, May 15, 2026 11:58 am (GMT -7) (15 km S)
1.3 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, May 15, 2026 11:19 pm (GMT -7) (18 km S)
All earthquakes at Clear Lake

Don Joao de Castro Bank volcano (Azores): 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 1.00 km depth at 17 km distance SE from the volcano.
Earthquake details:
3.0 quake North Atlantic Ocean, 84 km northwest of Ponta Delgada, Azores, Portugal, May 15, 2026 09:30 pm (Universal Time) (17 km SE)
All earthquakes at Don Joao de Castro Bank

El Chichón volcano (Southern Mexico): 3 earthquakes up to magnitude 2.2

3 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 18 hours ago. Hypocenter depths ranged between 3.00 and 1.50 km.
Earthquake details:
2.2 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, May 15, 2026 05:37 am (GMT -6) (1 km ESE)
2.2 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, May 15, 2026 08:50 am (GMT -6) (1 km SSE)
2.2 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, May 15, 2026 03:41 am (GMT -6) (2 km NNW)
All earthquakes at El Chichón

Etna volcano (Italy): 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 0 km distance SW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 30 km north of Catania, Catania, Sicily, Italy, May 15, 2026 01:24 pm (GMT +2) (0 km SW)
All earthquakes at Etna

Hualalai volcano (Hawai'i (Big Island)): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 14 km distance WSW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 0.9 mi southeast of Kailua-Kona, Hawaii County, Hawaii, United States, May 15, 2026 03:49 am (GMT -10) (14 km WSW)
All earthquakes at Hualalai

Hulubelu volcano (Sumatra): 2 earthquakes up to magnitude 2.3

2 earthquakes occurred near (under) the volcano during 42 minutes, the last being recorded quake 20 hours ago. Hypocenter depths ranged between 21.00 and 16.00 km.
Earthquake details:
2.3 quake Kabupaten Tanggamus, 73 km west of Bandar Lampung, Indonesia, May 15, 2026 07:37 pm (GMT +7) (11 km SSE)
2.2 quake Kabupaten Tanggamus, 79 km west of Bandar Lampung, Indonesia, May 15, 2026 06:55 pm (GMT +7) (8 km SSW)
All earthquakes at Hulubelu

Isla San Luis volcano (Baja California, NW Mexico & Mexican Islands): magnitude 3.3 earthquake

A magnitude 3.3 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.10 km depth at 13 km distance NW from the volcano.
Earthquake details:
3.3 quake 114 km south of San Felipe, Estado de Baja California, Mexico, May 15, 2026 05:35 am (GMT -7) (13 km NW)
All earthquakes at Isla San Luis

Izumbwe-Mpoli volcano (Tanzania): 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 7 km distance NE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 0.8 km north of Mbeya, Mbeya Region, Tanzania, May 15, 2026 08:55 pm (GMT +0) (7 km NE)
All earthquakes at Izumbwe-Mpoli

Katla volcano (Iceland): 9 earthquakes up to magnitude 2.2

9 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 5.20 and 0.00 km.
Earthquake details: (only 5 largest)
2.2 quake Iceland: 5.0 km SW of Hábunga May 15, 2026 04:18 pm (Reykjavik time) (11 km SSW)
1.1 quake Iceland: 5.6 km NNE of Hábunga May 15, 2026 02:16 pm (Reykjavik time) (1 km SSE)
1.1 quake 4.4 km NNE of Hábunga May 15, 2026 12:08 pm (Universal Time) (2 km S)
0.4 quake Iceland: 1.0 km ENE of Goðabunga May 15, 2026 10:22 pm (Reykjavik time) (9 km W)
0.3 quake Iceland: 3.7 km NNW of Hábunga May 15, 2026 11:11 am (Reykjavik time) (4 km SW)
All earthquakes at Katla

Marapi volcano (Sumatra): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 13 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 16 km distance S from the volcano.
Earthquake details:
2.6 quake Kabupaten Tanah Datar, 11 km southeast of Padangpanjang, Indonesia, May 16, 2026 03:07 am (GMT +7) (16 km S)
All earthquakes at Marapi

Ontake-san volcano (Honshu): magnitude 3.5 earthquake

A magnitude 3.5 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 14 km distance NNW from the volcano.
Earthquake details:
3.5 quake 20 km southeast of Takayama, Gifu, Japan, May 16, 2026 07:27 am (GMT +9) (14 km NNW)
All earthquakes at Ontake-san

Prestahnukur volcano (Iceland): 15 earthquakes up to magnitude 1.9

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 1 hour 57 minutes ago. Hypocenter depths ranged between 16.50 and 0.00 km.
Earthquake details: (only 5 largest)
1.9 quake Iceland: 16.1 km SSE of Húsafell May 16, 2026 04:32 am (Reykjavik time) (8 km WSW)
1.8 quake Iceland: 16.6 km SSE of Húsafell May 16, 2026 04:54 am (Reykjavik time) (9 km SW)
1.7 quake Iceland: 14.7 km N of Skjaldbreið May 16, 2026 02:28 am (Reykjavik time) (13 km SW)
1.6 quake 14.5 km NNW of Skjaldbreið May 16, 2026 04:37 am (Universal Time) (14 km SW)
1.6 quake Iceland: 15.8 km SSE of Húsafell May 16, 2026 03:43 am (Reykjavik time) (12 km WSW)
All earthquakes at Prestahnukur

Pululahua volcano (Ecuador): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 1 hour 25 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 14.00 km depth at 2 km distance NE from the volcano.
Earthquake details:
2.7 quake 32 km north of Quito, Provincia de Pichincha, Ecuador, May 16, 2026 02:25 am (GMT -5) (2 km NE)
All earthquakes at Pululahua
Pululahua (also spelled as Pululgua) volcano is a low forested stratovolcano located immediately north of the equator, 15 km north of the capital Quito.

Süphan Dağ volcano (Turkey): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 7 km distance NE from the volcano.
Earthquake details:
2.1 quake Bitlis, 27 km south of Patnos, Agri, Turkey, May 15, 2026 05:08 pm (GMT +3) (7 km NE)
All earthquakes at Süphan Dağ
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/302521/Volcano-earthquake-report-for-Saturday-16-May-2026.html