Volcano earthquake report for Thursday, 16 Nov 2023
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 16 Nov 2023 Number in brackets indicate nr of quakes.

Quakes detected near: Bardarbunga (1 quake mag 1.1), Brennisteinsfjöll (12 quakes between mag 0.1-1.1), Clear Lake (22 quakes between mag 0.3-2.2), Eldey (14 quakes between mag 0.1-2.4), Fagradalsfjall (141 quakes between mag 0.1-2.6), Hekla (2 quakes between mag 0.5-1.2)
Hrómundartindur (5 quakes between mag 0.3-2.1), Ilopango (1 quake mag 2.1), Kanaga (2 quakes between mag 0.3-1.0), Kilauea (5 quakes between mag 1.8-2.4), Krísuvík (45 quakes between mag 0.1-2.9), La Palma (1 quake mag 1.4), Mageik (2 quakes between mag 0.6-1.2), Mahagnao (1 quake mag 1.9), Methana (2 quakes between mag 1.2-1.2), Mount Rainier (1 quake mag 1.3), Nii-jima (1 quake mag 3.0), Prestahnukur (1 quake mag 1.3), Reporoa (1 quake mag 1.3), Reykjanes (252 quakes between mag 0.1-4.3), Rota (1 quake mag 1.6), Sabancaya (1 quake mag 3.5), San Salvador (1 quake mag 2.0), Spurr (2 quakes between mag 0.3-1.1), Takawangha (4 quakes between mag 0.6-1.3), Tenerife (1 quake mag 1.3), Tenorio (1 quake mag 2.3), Usulután (1 quake mag 2.4), Vesuvius (3 quakes between mag 0.5-1.2) (updated 23h50)

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:



Brennisteinsfjöll volcano (Reykjanes Peninsula, Iceland): 12 earthquakes up to magnitude 1.1

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 1 hour 0 minutes ago. Hypocenter depths ranged between 10.9 and 1.6 km.
Earthquake details: (only 5 largest)
1.1 quake Iceland: 5.1 Km S of Bláfjallaskáli Nov 16, 2023 01:02 pm (Reykjavik time) (9 km ENE)
1.1 quake Iceland: 8.6 Km NE of Krýsuvík Nov 16, 2023 07:51 pm (Reykjavik time) (5 km WNW)
1.1 quake Iceland: 13.6 Km S of Bláfjallaskáli Nov 15, 2023 11:58 pm (Reykjavik time) (10 km SE)
1.0 quake Iceland: 3.1 Km E of Bláfjallaskáli Nov 16, 2023 10:49 pm (Reykjavik time) (14 km ENE)
0.8 quake Iceland: 13.6 Km S of Bláfjallaskáli Nov 16, 2023 07:31 pm (Reykjavik time) (9 km SE)
All earthquakes at Brennisteinsfjöll

Clear Lake volcano (California): 22 earthquakes up to magnitude 2.2

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 34 minutes ago. Hypocenter depths ranged between 2.7 and 0.7 km.
Earthquake details: (only 5 largest)
2.2 quake 13 mi southwest of Clearlake, Lake County, California, USA, Nov 16, 2023 10:13 am (Los Angeles time) (16 km SSW)
1.7 quake 8 Km NW of The Geysers, CA, Nov 16, 2023 10:14 am (Los Angeles time) (16 km SSW)
1.6 quake 4 Km W of Cobb, CA, Nov 16, 2023 02:16 pm (Los Angeles time) (17 km S)
1.6 quake 3 Km W of Cobb, CA, Nov 16, 2023 04:51 am (Los Angeles time) (17 km S)
1.2 quake 3 Km W of Cobb, CA, Nov 16, 2023 04:51 am (Los Angeles time) (17 km S)
All earthquakes at Clear Lake

Eldey volcano (Iceland): 14 earthquakes up to magnitude 2.4

Possible earthquake swarm: 14 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 41 minutes ago. Hypocenter depths ranged between 41.2 and 1.1 km.
Earthquake details: (only 5 largest)
2.4 quake Iceland: 2.1 Km NNE of Geirfugladrangur Nov 16, 2023 10:38 am (Reykjavik time) (14 km WSW)
1.3 quake Iceland: 8.5 Km SSE of Geirfugladrangur Nov 16, 2023 08:11 am (Reykjavik time) (17 km SW)
0.8 quake Iceland: 10.2 Km SE of Eldey Nov 16, 2023 10:38 am (Reykjavik time) (11 km SE)
0.7 quake Iceland: 1.5 Km NW of Eldey Nov 16, 2023 09:41 pm (Reykjavik time) (2 km NNE)
0.5 quake Iceland: 5.5 Km NW of Eldeyjardrangur Nov 16, 2023 07:13 am (Reykjavik time) (5 km NW)
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.

Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 141 earthquakes up to magnitude 2.6

Possible earthquake swarm: 141 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 35 minutes ago. Hypocenter depths ranged between 48.8 and 0.0 km.
Earthquake details: (only 5 largest)
2.6 quake Iceland: 5.6 Km NNE of Grindavík Nov 16, 2023 04:41 am (Reykjavik time) (6 km WSW)
2.5 quake Iceland: 5.6 Km NNE of Grindavík Nov 16, 2023 07:42 pm (Reykjavik time) (6 km WSW)
2.3 quake Iceland: 3.5 Km NW of Fagradalsfjall Nov 16, 2023 12:22 am (Reykjavik time) (4 km NNW)
2.1 quake Iceland: 5.4 Km NNE of Grindavík Nov 16, 2023 05:01 pm (Reykjavik time) (6 km WSW)
1.8 quake Iceland: 5.3 Km NNE of Grindavík Nov 16, 2023 09:40 am (Reykjavik time) (6 km WSW)
All earthquakes at Fagradalsfjall

Hrómundartindur volcano (Iceland): 5 earthquakes up to magnitude 2.1

5 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 8.7 and 1.1 km.
Earthquake details:
2.1 quake Iceland: 2.2 Km ESE of Hveradalir Nov 16, 2023 07:43 am (Reykjavik time) (10 km SW)
1.6 quake Iceland: 6.1 Km W of Selfoss Nov 16, 2023 01:19 pm (Reykjavik time) (15 km SSE)
1.1 quake Iceland: 1.9 Km W of Raufarhólshellir Nov 16, 2023 06:29 pm (Reykjavik time) (18 km SW)
0.7 quake Iceland: 3.1 Km NNE of Hellisheiðarvirkjun Nov 16, 2023 04:07 am (Reykjavik time) (9 km W)
0.3 quake Iceland: 2.7 Km E of Hveradalir Nov 16, 2023 07:44 am (Reykjavik time) (9 km SW)
All earthquakes at Hrómundartindur

Ilopango volcano (El Salvador): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.0 km depth at 3 km distance SSW from the volcano.
Earthquake details:
2.1 quake Departamento de La Paz, 15 km east of San Salvador, El Salvador, Nov 16, 2023 05:31 am (El Salvador time) (3 km SSW)
All earthquakes at Ilopango

Kilauea volcano (Hawai'i (Big Island)): 5 earthquakes up to magnitude 2.4

5 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 2.5 and 0.1 km.
Earthquake details:
2.4 quake 16 mi east of Hawaii Island, Hawaii County, USA, Nov 16, 2023 02:29 am (Honolulu time) (18 km WNW)
2.4 quake 16 mi east of Hawaii Island, Hawaii County, USA, Nov 15, 2023 08:28 pm (Honolulu time) (18 km WNW)
2.1 quake 12 mi southwest of Volcano Village, Hawaii County, USA, Nov 16, 2023 06:29 am (Honolulu time) (13 km SW)
2.0 quake 26 mi south of Hilo, Hawaii County, USA, Nov 16, 2023 02:18 am (Honolulu time) (7 km SE)
1.8 quake 3.4 mi south of Volcano Village, Hawaii County, USA, Nov 15, 2023 05:37 pm (Honolulu time) (4 km ESE)
All earthquakes at Kilauea

Krísuvík volcano (Reykjanes Peninsula, Iceland): 45 earthquakes up to magnitude 2.9

Possible earthquake swarm: 45 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 59 minutes ago. Hypocenter depths ranged between 10.6 and 1.1 km.
Earthquake details: (only 5 largest)
2.9 quake Iceland: 7.4 Km E of Keilir Nov 16, 2023 10:37 am (Reykjavik time) (4 km ENE)
2.4 quake Iceland: 8.5 Km SW of Helgafell Nov 16, 2023 04:45 am (Reykjavik time) (7 km ENE)
2.1 quake Iceland: 5.7 Km E of Keilir Nov 16, 2023 03:40 am (Reykjavik time) (3 km ENE)
2.1 quake Iceland: 1.3 Km SW of Keilir Nov 16, 2023 02:02 pm (Reykjavik time) (5 km W)
1.6 quake Iceland: 3.5 Km SSE of Keilir Nov 16, 2023 05:46 pm (Reykjavik time) (3 km SW)
All earthquakes at Krísuvík

Nii-jima volcano (Izu Islands): 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 10.1 km depth at 6 km distance WNW from the volcano.
Earthquake details:
3.0 quake Shikine-jima, 38 km southeast of Shimoda, Prefectura de Shizuoka, Japan, Nov 16, 2023 11:38 am (GMT +9) (6 km WNW)
All earthquakes at Nii-jima

Reykjanes volcano (Reykjanes Peninsula, Iceland): 252 earthquakes up to magnitude 4.3

Possible earthquake swarm: 252 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 32 minutes ago. Hypocenter depths ranged between 31.9 and 0.0 km.
Earthquake details: (only 5 largest)
4.3 quake Iceland: 3.6 Km NNE of Grindavík Nov 16, 2023 10:29 pm (Reykjavik time) (6 km ESE)
3.6 quake Iceland: 3.6 Km NNE of Grindavík Nov 16, 2023 10:37 am (Reykjavik time) (6 km ESE)
3.5 quake Iceland: 3.8 Km NNE of Grindavík Nov 16, 2023 07:42 am (Reykjavik time) (6 km ESE)
2.9 quake Iceland: 3.4 Km NNE of Grindavík Nov 16, 2023 01:19 pm (Reykjavik time) (6 km ESE)
2.8 quake Iceland: 3.8 Km NNE of Grindavík Nov 16, 2023 10:37 pm (Reykjavik time) (6 km ESE)
All earthquakes at Reykjanes

Sabancaya volcano (Peru): magnitude 3.5 earthquake

A magnitude 3.5 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.0 km depth at 12 km distance W from the volcano.
Earthquake details:
3.5 quake 82 km northwest of Arequipa, Peru, Nov 16, 2023 04:41 am (Lima time) (12 km W)
All earthquakes at Sabancaya

Tenorio volcano (Costa Rica): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.0 km depth at 8 km distance ESE from the volcano.
Earthquake details:
2.3 quake Provincia de Alajuela, 28 km northeast of Canas, Costa Rica, Nov 16, 2023 04:08 am (Costa Rica time) (8 km ESE)
All earthquakes at Tenorio

Usulután volcano (El Salvador): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 20.0 km depth at 17 km distance SE from the volcano.
Earthquake details:
2.4 quake 10 km southeast of Usulutan, El Salvador, Nov 16, 2023 02:23 pm (El Salvador time) (17 km SE)
All earthquakes at Usulután
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/226303/Volcano-earthquake-report-for-Thursday-16-Nov-2023.html