Volcano earthquake report for Sunday, 17 May 2026
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 17 May 2026 Number in brackets indicate nr of quakes.

Quakes detected near: Akyarlar (1 quake mag 1.6), Babuyan Claro (1 quake mag 1.8), Bardarbunga (25 quakes between mag 0.0-2.6), Brennisteinsfjöll (2 quakes between mag 0.0-1.3), Churchill (1 quake mag 1.0), Clear Lake (21 quakes between mag 0.3-1.3)
Coso (4 quakes between mag 0.7-2.4), El Chichón (5 quakes between mag 2.0-2.6), Eldey (14 quakes between mag 0.6-2.0), Gede-Pangrango (1 quake mag 2.1), Geureudong (1 quake mag 2.3), Gran Canaria (1 quake mag 1.6), Hrómundartindur (6 quakes between mag 0.2-1.8), Irazu (1 quake mag 1.4), Iriomote-jima (1 quake mag 3.0), Katla (3 quakes between mag 0.2-1.0), Kilauea (3 quakes between mag 1.8-1.9), Kolumbo (1 quake mag 2.0), Las Pilas (1 quake mag 2.1), Ljósufjöll (5 quakes between mag 0.0-1.1), Mammoth Mountain (1 quake mag 1.9), Mayotte Island (1 quake mag 1.2), Ndete Napu (1 quake mag 2.3), Prestahnukur (27 quakes between mag 0.1-1.9), Pululahua (1 quake mag 2.7), Tenerife (1 quake mag 1.7), Tenorio (1 quake mag 2.3), Toba (1 quake mag 2.1), Tongariro (2 quakes between mag 0.9-1.2) (updated 02h50)

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): 25 earthquakes up to magnitude 2.6

Possible earthquake swarm: 25 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 28 minutes ago. Hypocenter depths ranged between 12.70 and 0.00 km.
Earthquake details: (only 5 largest)
2.6 quake 4.9 km NE of Bárðarbunga May 16, 2026 07:44 pm (Universal Time) (6 km NE)
1.7 quake Iceland: 5.4 km SE of Bárðarbunga May 16, 2026 04:53 pm (Reykjavik time) (5 km ESE)
1.5 quake Iceland: 1.6 km N of Bárðarbunga May 16, 2026 08:13 pm (Reykjavik time) (3 km N)
1.4 quake 4.4 km N of Bárðarbunga May 16, 2026 06:13 pm (Universal Time) (6 km N)
1.4 quake Iceland: 18.3 km SSE of Kistufell May 16, 2026 07:35 pm (Reykjavik time) (19 km E)
All earthquakes at Bardarbunga

Clear Lake volcano (California): 21 earthquakes up to magnitude 1.3

Possible earthquake swarm: 21 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 7.83 and 0.17 km.
Earthquake details: (only 5 largest)
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)
1.0 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, May 16, 2026 04:54 pm (GMT -7) (15 km S)
1.0 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, May 16, 2026 06:28 am (GMT -7) (16 km S)
1.0 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, May 15, 2026 08:03 pm (GMT -7) (15 km S)
0.9 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, May 15, 2026 11:18 pm (GMT -7) (16 km SSW)
All earthquakes at Clear Lake

Coso volcano (California): 4 earthquakes up to magnitude 2.4

4 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 3.02 and 1.24 km.
Earthquake details:
2.4 quake Inyo County, 30 mi north of Ridgecrest, Kern County, California, United States, May 16, 2026 03:08 am (GMT -7) (0 km NNW)
2.3 quake Inyo County, 29 mi north of Ridgecrest, Kern County, California, United States, May 16, 2026 01:43 am (GMT -7) (0 km S)
1.6 quake Inyo County, 29 mi north of Ridgecrest, Kern County, California, United States, May 16, 2026 01:11 am (GMT -7) (0 km WNW)
0.7 quake Inyo County, 20 mi north of Ridgecrest, Kern County, California, United States, May 16, 2026 08:10 am (GMT -7) (15 km SSE)
All earthquakes at Coso

El Chichón volcano (Southern Mexico): 5 earthquakes up to magnitude 2.6

5 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 4.10 and 3.00 km.
Earthquake details:
2.6 quake Estado de Chiapas, 35 km southwest of Teapa, Estado de Tabasco, Mexico, May 16, 2026 01:46 pm (GMT -6) (2 km ENE)
2.6 quake Estado de Chiapas, 38 km southwest of Teapa, Estado de Tabasco, Mexico, May 16, 2026 12:40 am (GMT -6) (1 km SSW)
2.4 quake Estado de Chiapas, 34 km southwest of Teapa, Estado de Tabasco, Mexico, May 16, 2026 02:20 pm (GMT -6) (4 km E)
2.4 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, May 15, 2026 11:45 pm (GMT -6) (1 km NW)
2.0 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, May 16, 2026 10:19 am (GMT -6) (1 km ESE)
All earthquakes at El Chichón

Eldey volcano (Iceland): 14 earthquakes up to magnitude 2.0

Possible earthquake swarm: 14 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 12.10 and 6.00 km.
Earthquake details: (only 5 largest)
2.0 quake 8.6 km N of Eldey May 16, 2026 01:03 pm (Universal Time) (10 km N)
2.0 quake 9.1 km N of Eldey May 16, 2026 04:08 pm (Universal Time) (10 km N)
1.9 quake 8.2 km NNW of Eldey May 16, 2026 02:49 pm (Universal Time) (9 km N)
1.8 quake 2.4 km NNW of Geirfugladrangur May 16, 2026 10:01 am (Universal Time) (15 km WSW)
1.7 quake Iceland: 8.6 km N of Eldey May 16, 2026 04:21 pm (Reykjavik time) (10 km N)
All earthquakes at Eldey
Eldey is located at the beginning of the Reykjanes Ridge off the SW tip of Iceland. Its highest elevation is the top of Eldey Island, but most of the volcanic edifice is submerged.

Several eruptions occurred in historic times, last in 1926.

Gede-Pangrango volcano (West Java): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 22.00 km depth at 2 km distance ENE from the volcano.
Earthquake details:
2.1 quake 16 km west of Cianjur, Kabupaten Cianjur, Jawa Barat, Indonesia, May 16, 2026 06:40 pm (GMT +7) (2 km ENE)
All earthquakes at Gede-Pangrango

Geureudong volcano (Sumatra): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.00 km depth at 1 km distance E from the volcano.
Earthquake details:
2.3 quake Kabupaten Bener Meriah, 50 km south of Bireun, Indonesia, May 17, 2026 07:30 am (GMT +7) (1 km E)
All earthquakes at Geureudong

Iriomote-jima volcano (Ryukyu Islands): 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 12 km distance WSW from the volcano.
Earthquake details:
3.0 quake East China Sea, 20 km north of Iriomote Jima Island, Okinawa, Japan, May 17, 2026 01:09 am (GMT +9) (12 km WSW)
All earthquakes at Iriomote-jima

Las Pilas volcano (Nicaragua): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.00 km depth at 6 km distance ESE from the volcano.
Earthquake details:
2.1 quake 26 km east of Leon, Departamento de Leon, Nicaragua, May 16, 2026 05:17 pm (GMT -6) (6 km ESE)
All earthquakes at Las Pilas

Ndete Napu volcano (Flores): magnitude 2.3 earthquake

A magnitude 2.3 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 14 km distance N from the volcano.
Earthquake details:
2.3 quake 29 km north of Ende, Kabupaten Ende, East Nusa Tenggara, Indonesia, May 16, 2026 10:38 pm (GMT +8) (14 km N)
All earthquakes at Ndete Napu

Prestahnukur volcano (Iceland): 27 earthquakes up to magnitude 1.9

Possible earthquake swarm: 27 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 1 hour 1 minutes ago. Hypocenter depths ranged between 19.60 and 0.50 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: 15.7 km S of Húsafell May 16, 2026 10:32 am (Reykjavik time) (15 km WSW)
1.6 quake Iceland: 16.5 km S of Húsafell May 16, 2026 03:24 am (Reykjavik time) (15 km WSW)
1.6 quake 14.5 km NNW of Skjaldbreið May 16, 2026 04:37 am (Universal Time) (14 km SW)
All earthquakes at Prestahnukur

Pululahua volcano (Ecuador): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 19 hours 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.

Tenorio volcano (Costa Rica): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 13.00 km depth at 9 km distance SE from the volcano.
Earthquake details:
2.3 quake Provincia de Alajuela, 24 km northeast of Canas, Costa Rica, May 16, 2026 04:43 pm (Costa_Rica time) (9 km SE)
All earthquakes at Tenorio

Toba volcano (Sumatra): 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 7.00 km depth at 8 km distance WSW from the volcano.
Earthquake details:
2.1 quake Kabupaten Humbang Hasundutan, 39 km northwest of Tarutung, Indonesia, May 17, 2026 03:53 am (GMT +7) (8 km WSW)
All earthquakes at Toba
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/302650/Volcano-earthquake-report-for-Sunday-17-May-2026.html