Volcano earthquake report for Monday, 11 Oct 2021
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 11 Oct 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Askja (1 quake mag 1.0), Clear Lake (25 quakes between mag 0.1-2.0), Coso (6 quakes between mag 0.2-1.1), Eyafjallajökull (2 quakes between mag 1.5-1.9), Hofsjökull volcano (1 quake mag 1.9), Kilauea (2 quakes between mag 1.7-2.4)
Krísuvík (45 quakes between mag 0.1-3.7), La Malinche (1 quake mag 3.0), La Palma (71 quakes between mag 2.4-3.6), Miravalles (1 quake mag 2.3), Nisyros (8 quakes between mag 1.3-3.6), Reykjanes (6 quakes between mag 0.3-1.0), Rincón de la Vieja (1 quake mag 3.4), Rotorua (1 quake mag 3.0), Sabancaya (2 quakes between mag 3.8-4.1), Tjörnes Fracture Zone (6 quakes between mag 0.5-1.4) (updated 23h50)

Note: Earthquakes within 20 km from and at depths less than 20 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:


Clear Lake volcano (California): 25 earthquakes up to magnitude 2.0

Possible earthquake swarm: 25 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 57 minutes ago. Hypocenter depths ranged between 5.7 and 0.8 km.
Earthquake details: (only 5 largest)
2.0 quake 7km NW of The Geysers, CA, Oct 11, 2021 9:13 am (GMT -7) (16 km SSW)1.4 quake 6km NW of The Geysers, CA, Oct 11, 2021 2:08 pm (GMT -7) (18 km S)1.2 quake 9km NW of The Geysers, CA, Oct 11, 2021 8:06 am (GMT -7) (16 km SSW)1.2 quake 8km NW of The Geysers, CA, Oct 10, 2021 6:38 pm (GMT -7) (16 km SSW)1.2 quake 2km W of Cobb, CA, Oct 11, 2021 10:43 am (GMT -7) (17 km S)All earthquakes at Clear Lake

Kilauea volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.4

2 earthquakes occurred near (under) the volcano during 1 hour 24 minutes, the last being recorded quake 14 hours ago. Hypocenter depths ranged between 4.4 and 2.4 km.
Earthquake details:
2.4 quake 5 Km NNW of Volcano, Hawaii, Oct 10, 2021 11:38 pm (GMT -10) (9 km NNE)1.7 quake 14 Km S of Volcano, Hawaii, Oct 10, 2021 10:14 pm (GMT -10) (11 km SSE)All earthquakes at Kilauea

Krísuvík volcano (Reykjanes Peninsula, Iceland): 45 earthquakes up to magnitude 3.7

Possible earthquake swarm: 45 earthquakes occurred near (under) the volcano during 24 hours, the last being recorded quake 12 minutes ago. Hypocenter depths ranged between 8.5 and 4.8 km.
Earthquake details: (only 5 largest)
3.7 quake Iceland: 1.9 Km SW of Keilir Oct 11, 2021 9:26 am (GMT +0) (5 km W)2.3 quake Iceland: 1.9 Km SSW of Keilir Oct 11, 2021 5:00 am (GMT +0) (5 km W)2.3 quake Iceland: 1.3 Km SW of Keilir Oct 11, 2021 10:52 pm (GMT +0) (5 km W)1.7 quake Iceland: 1.5 Km SW of Keilir Oct 11, 2021 11:02 pm (GMT +0) (4 km W)1.6 quake Iceland: 2.1 Km SW of Keilir Oct 11, 2021 1:18 am (GMT +0) (5 km W)All earthquakes at Krísuvík

La Malinche volcano (Western & Central Mexico): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 19 km distance WNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 1.7 km south of Tlaxcala City, Chiautempan, Tlaxcala, Mexico, Oct 11, 2021 2:28 am (GMT -5) (19 km WNW)All earthquakes at La Malinche

La Palma volcano (Canary Islands): 71 earthquakes up to magnitude 3.6

Possible earthquake swarm: 71 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 28 minutes ago. Hypocenter depths ranged between 14.0 and 10.0 km.
Earthquake details: (only 5 largest)
3.6 quake La Palma Island, Canary Islands, Spain, Oct 11, 2021 1:20 pm (GMT +1) (3 km SSE)3.6 quake La Palma Island, Canary Islands, Spain, Oct 11, 2021 10:39 pm (GMT +1) (3 km S)3.5 quake La Palma Island, Canary Islands, Spain, Oct 12, 2021 12:02 am (GMT +1) (2 km S)3.4 quake La Palma Island, Canary Islands, Spain, Oct 11, 2021 8:54 pm (GMT +1) (3 km S)3.4 quake La Palma Island, Canary Islands, Spain, Oct 11, 2021 11:41 am (GMT +1) (3 km S)All earthquakes at La Palma

Miravalles volcano (Costa Rica): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.0 km depth at 13 km distance NNW from the volcano.
Earthquake details:
2.3 quake Upala, Provincia de Alajuela, Costa Rica, Oct 10, 2021 9:51 pm (GMT -6) (13 km NNW)All earthquakes at Miravalles

Nisyros volcano (Greece): 8 earthquakes up to magnitude 3.6

8 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 17 minutes ago. Hypocenter depths ranged between 14.2 and 1.9 km.
Earthquake details: (only 5 largest)
3.6 quake Aegean Sea, Greece, Oct 11, 2021 11:36 pm (GMT +3) (8 km SW)1.9 quake Aegean Sea, Greece, Oct 11, 2021 12:06 pm (GMT +3) (19 km SSE)1.8 quake Aegean Sea, Greece, Oct 12, 2021 2:31 am (GMT +3) (13 km SSW)1.7 quake Aegean Sea, Greece, Oct 12, 2021 12:55 am (GMT +3) (7 km SSW)1.6 quake Aegean Sea, Greece, Oct 12, 2021 2:33 am (GMT +3) (7 km SSW)All earthquakes at Nisyros

Rincón de la Vieja volcano (Costa Rica): magnitude 3.4 earthquake

A magnitude 3.4 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.0 km depth at 5 km distance SW from the volcano.
Earthquake details:
3.4 quake Liberia, Provincia de Guanacaste, Costa Rica, Oct 11, 2021 3:12 am (GMT -6) (5 km SW)All earthquakes at Rincón de la Vieja

Rotorua volcano (New Zealand): 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 10.0 km depth at 6 km distance SE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): Rotorua District, Bay of Plenty, New Zealand, Oct 12, 2021 2:05 am (GMT +13) (6 km SE)All earthquakes at Rotorua

Sabancaya volcano (Peru): 2 earthquakes up to magnitude 4.1

2 earthquakes occurred near (under) the volcano during 1 hour 54 minutes, the last being recorded quake 16 hours ago. Hypocenter depths ranged between 12.0 and 9.0 km.
Earthquake details:
4.1 quake Provincia de Caylloma, Arequipa, Peru, Oct 11, 2021 2:47 am (GMT -5) (12 km N)3.8 quake Provincia de Caylloma, Arequipa, Peru, Oct 11, 2021 12:53 am (GMT -5) (16 km NNW)All earthquakes at Sabancaya
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/143967/Volcano-earthquake-report-for-Monday-11-Oct-2021.html