Volcano earthquake report for Tuesday, 11 May 2021

Tue, 11 May 2021, 23:50 | BY: EARTHQUAKEMONITOR

World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 11 May 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Apo (2 quakes between mag 2.0-2.8), Arayat (1 quake mag 3.0), Clear Lake (52 quakes between mag 0.3-1.2), Coso (11 quakes between mag 0.5-2.3), El Hierro (1 quake mag 1.8), Eldey (11 quakes between mag 0.6-2.5)
Etna (2 quakes between mag 1.1-1.2), Eyafjallajökull (2 quakes between mag 0.3-2.0), Fourpeaked (6 quakes between mag 1.2-2.0), Irazu (3 quakes between mag 2.9-3.5), Katla (3 quakes between mag 0.1-1.1), Mahagnao (3 quakes between mag 2.0-3.3), Nisyros (6 quakes between mag 1.6-2.7), Prestahnukur (2 quakes between mag 1.3-1.5), Reykjanes (7 quakes between mag 0.1-1.6), Salton Buttes (1 quake mag 1.4), Sousaki (1 quake mag 1.9), Tenerife (3 quakes between mag 0.7-1.4), Tjörnes Fracture Zone (4 quakes between mag 0.2-1.4), Toba (2 quakes between mag 2.0-3.0), Turrialba (2 quakes between mag 2.4-4.0) (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:

Apo volcano (Mindanao): 2 earthquakes up to magnitude 2.8

2 earthquakes occurred near (under) the volcano during 1 hour 4 minutes, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 11.0 and 9.0 km.
Earthquake details:
2.8 quake 10.1 km south of Kidapawan, Province of Cotabato, Soccsksargen, Philippines, 12 May 2021 - 12:07 AM (PST) (19 km WSW)
2.0 quake 9.3 km south of Kidapawan, Province of Cotabato, Soccsksargen, Philippines, 11 May 2021 - 11:03 PM (PST) (18 km WSW)
All earthquakes at Apo
Apo volcano (2938 m) on Mindanao forms the highest peak of the Philippines. Its volcanic history is not well known, but although there are no historic eruptions it is considered to be active.
The volcano has an extensive hydrothermal field with ongoing geothermal exploration. Small shallow earthquakes related to this activity are common.

Arayat volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 18 km distance WSW from the volcano.
Earthquake details:
Unconfirmed quake reported: 1.5 km southeast of Angeles City, Philippines, 11 May 2021 05:32 GMT (18 km WSW)
All earthquakes at Arayat

Clear Lake volcano (California): 52 earthquakes up to magnitude 1.2

Possible earthquake swarm: 52 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 13 minutes ago. Hypocenter depths ranged between 9.0 and 0.1 km.
Earthquake details: (only 5 largest)
1.2 quake 10km NW of The Geysers, CA, USA, 11 May 2021 17:43 GMT (17 km SSW)
1.2 quake 3km NNW of The Geysers, CA, USA, 11 May 2021 02:42 GMT (19 km S)
1.2 quake 8km NW of The Geysers, CA, USA, 11 May 2021 05:07 GMT (16 km SSW)
1.2 quake 8km NW of The Geysers, CA, USA, 11 May 2021 08:14 GMT (16 km SSW)
1.1 quake 8km NW of The Geysers, CA, USA, 11 May 2021 11:25 GMT (16 km SSW)
All earthquakes at Clear Lake

Coso volcano (California): 11 earthquakes up to magnitude 2.3

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 9.9 and 2.9 km.
Earthquake details: (only 5 largest)
2.3 quake 14km NE of Coso Junction, CA, USA, 11 May 2021 16:08 GMT (11 km N)
1.6 quake 8km NE of Coso Junction, CA, USA, 11 May 2021 07:11 GMT (8 km NW)
1.2 quake 13km NNE of Coso Junction, CA, USA, 11 May 2021 21:28 GMT (15 km NNW)
1.1 quake 19km E of Little Lake, CA, USA, 11 May 2021 19:30 GMT (17 km SE)
1.1 quake 7km ENE of Coso Junction, CA, USA, 11 May 2021 07:47 GMT (8 km NW)
All earthquakes at Coso

Eldey volcano (Iceland): 11 earthquakes up to magnitude 2.5

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 11.7 and 4.1 km.
Earthquake details: (only 5 largest)
2.5 quake 5.4 Km NNW of Eldey, Iceland, 11 May 2021 17:19 GMT (6 km N)
2.2 quake 6.4 Km NNW of Eldey, Iceland, 11 May 2021 07:46 GMT (7 km N)
2.0 quake 9.3 Km NW of Eldey, Iceland, 11 May 2021 16:23 GMT (12 km NNW)
1.8 quake 6.6 Km NNW of Eldey, Iceland, 11 May 2021 14:17 GMT (7 km N)
1.6 quake 7.2 Km NNW of Eldey, Iceland, 11 May 2021 07:53 GMT (8 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.

Previous news

Mon, 10 May 2021, 23:50

Volcano earthquake report for Monday, 10 May 2021

World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 10 May 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Cabalian (2 quakes between mag 2.1-2.5), Clear Lake (31 quakes between mag 0.4-2.1), Coso (4 quakes between mag 0.7-1.0), Eldey (2 quakes between mag 0.4-1.0), Etna (4 quakes between mag 1.0-1.3), Fourpeaked (1 quake mag 1.5) ... Read all

Sun, 9 May 2021, 23:50

Volcano earthquake report for Sunday, 9 May 2021

World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 9 May 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Brennisteinsfjöll (2 quakes between mag 0.5-1.3), Clear Lake (31 quakes between mag 0.4-2.2), Coso (4 quakes between mag 0.8-2.1), Etna (8 quakes between mag 1.0-1.5), Eyafjallajökull (3 quakes between mag 0.2-1.4), Fagradalsfjall (7 quakes between mag 0.5-1.4) ... Read all