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Volcano earthquake report for Sunday, 11 Apr 2021

Sun, 11 Apr 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 Apr 2021 Number in brackets indicate nr of quakes.
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 11 Apr 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Clear Lake (24 quakes between mag 0.3-2.7), Coso (11 quakes between mag 0.8-2.4), Herdubreid (3 quakes between mag 0.1-1.4), Hrómundartindur (10 quakes between mag 0.4-1.0), Katla (10 quakes between mag 0.2-2.0), Krafla (2 quakes between mag 0.4-1.2)
Krísuvík (15 quakes between mag 0.1-1.5), Long Valley (11 quakes between mag 0.1-1.8), Mauna Loa (25 quakes between mag 0.7-2.2), Miravalles (1 quake mag 2.5), Monte Albano (1 quake mag 1.6), Nisyros (5 quakes between mag 1.6-3.0), Okataina (Tarawera) (2 quakes between mag 1.7-1.8), Penanggungan (1 quake mag 3.0), Piton de la Fournaise (2 quakes between mag 0.9-1.4), Reykjanes (7 quakes between mag 0.1-1.2), Rotorua (1 quake mag 3.0), Ruapehu (2 quakes between mag 0.8-1.0), Salton Buttes (1 quake mag 1.3), Taupo (3 quakes between mag 1.2-1.8) (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): 24 earthquakes up to magnitude 2.7

Possible earthquake swarm: 24 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 47 minutes ago. Hypocenter depths ranged between 5.8 and 0.9 km.
Earthquake details: (only 5 largest)
2.7 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, USA, 11 April 2021 22:03 GMT (16 km SSW)
2.5 quake 7km NW of The Geysers, CA, USA, 11 April 2021 22:57 GMT (17 km SSW)
2.4 quake 7km WNW of The Geysers, CA, USA, 11 April 2021 16:55 GMT (18 km SSW)
2.1 quake 7km W of Cobb, CA, USA, 11 April 2021 07:49 GMT (16 km S)
2.1 quake 7km NW of The Geysers, CA, USA, 11 April 2021 22:16 GMT (16 km SSW)
All earthquakes at Clear Lake

Coso volcano (California): 11 earthquakes up to magnitude 2.4

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 10.9 and 1.7 km.
Earthquake details: (only 5 largest)
2.4 quake 20km E of Little Lake, CA, USA, 11 April 2021 01:09 GMT (18 km SE)
2.4 quake 19km ENE of Little Lake, CA, USA, 11 April 2021 08:29 GMT (10 km ESE)
1.7 quake 19km ENE of Little Lake, CA, USA, 11 April 2021 08:47 GMT (9 km ESE)
1.3 quake 15km NE of Coso Junction, CA, USA, 11 April 2021 07:58 GMT (12 km N)
1.2 quake 18km ESE of Little Lake, CA, USA, 11 April 2021 17:53 GMT (18 km SSE)
All earthquakes at Coso

Krísuvík volcano (Reykjanes Peninsula, Iceland): 15 earthquakes up to magnitude 1.5

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 7.2 and 1.0 km.
Earthquake details: (only 5 largest)
1.5 quake 0.6 Km SSW of Keilir, Iceland, 11 April 2021 08:45 GMT (4 km W)
1.2 quake 0.4 Km WNW of Keilir, Iceland, 11 April 2021 12:43 GMT (4 km WNW)
1.1 quake 0.5 Km SW of Keilir, Iceland, 11 April 2021 08:45 GMT (4 km WNW)
1.0 quake 0.6 Km SW of Keilir, Iceland, 11 April 2021 08:03 GMT (4 km W)
0.7 quake 2.6 Km S of Keilir, Iceland, 11 April 2021 11:09 GMT (3 km WSW)
All earthquakes at Krísuvík

Long Valley volcano (California): 11 earthquakes up to magnitude 1.8

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 6.3 and 5.0 km.
Earthquake details: (only 5 largest)
1.8 quake 13km SE of Mammoth Lakes, CA, USA, 11 April 2021 13:51 GMT (15 km S)
1.6 quake 13km SE of Mammoth Lakes, CA, USA, 11 April 2021 15:15 GMT (15 km S)
1.1 quake 13km SE of Mammoth Lakes, CA, USA, 11 April 2021 05:56 GMT (15 km S)
0.7 quake 12km SE of Mammoth Lakes, CA, USA, 11 April 2021 14:33 GMT (15 km S)
0.6 quake 13km SE of Mammoth Lakes, CA, USA, 11 April 2021 15:24 GMT (15 km S)
All earthquakes at Long Valley

Mauna Loa volcano (Hawai'i (Big Island)): 25 earthquakes up to magnitude 2.2

Possible earthquake swarm: 25 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 9.0 and 0.4 km.
Earthquake details: (only 5 largest)
2.2 quake 20 Km E of Honaunau-Napoopoo, Hawaii, USA, 11 April 2021 09:07 GMT (10 km W)
1.2 quake 26 Km N of Pāhala, Hawaii, USA, 11 April 2021 20:44 GMT (11 km ESE)
1.1 quake Island of Hawaii, Hawaii, USA, 11 April 2021 20:59 GMT (4 km W)
1.0 quake 21 Km ENE of Honaunau-Napoopoo, Hawaii, USA, 11 April 2021 00:51 GMT (8 km WNW)
1.0 quake 22 Km ENE of Honaunau-Napoopoo, Hawaii, USA, 11 April 2021 14:33 GMT (8 km NW)
All earthquakes at Mauna Loa

Miravalles volcano (Costa Rica): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.0 km depth at 9 km distance NNE from the volcano.
Earthquake details:
2.5 quake 16 km south of San Jose, Upala, Provincia de Alajuela, Costa Rica, 10 de abril del 2021 10:30 pm (9 km NNE)
All earthquakes at Miravalles

Nisyros volcano (Greece): 5 earthquakes up to magnitude 3.0

5 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 14.3 and 9.1 km.
Earthquake details:
3.0 quake Aegean Sea, 23 km west of Tilos Island, Dodecanese, South Aegean, Greece, 11 April 2021 16:40 GMT (13 km SSW)
2.9 quake Aegean Sea, 20 km west of Tilos Island, Dodecanese, South Aegean, Greece, 11 April 2021 15:07 GMT (13 km S)
2.9 quake Aegean Sea, 37 km southwest of Kos, Dodecanese, South Aegean, Greece, 11 April 2021 03:01 GMT (7 km WNW)
2.0 quake Aegean Sea, 21 km west of Tilos Island, Dodecanese, South Aegean, Greece, 11 April 2021 14:34 GMT (13 km SSW)
1.6 quake Aegean Sea, 14 km northwest of Tilos Island, Dodecanese, South Aegean, Greece, 11 April 2021 21:18 GMT (11 km ESE)
All earthquakes at Nisyros

Penanggungan volcano (East Java): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 17 km distance SE from the volcano.
Earthquake details:
Unconfirmed quake reported: Near Malang, East Java, Indonesia, 11 April 2021 14:40 GMT (17 km SE)
All earthquakes at Penanggungan

Rotorua volcano (New Zealand): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 7 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:
Unconfirmed quake reported: Near Rotorua, Bay of Plenty, New Zealand, 11 April 2021 16:40 GMT (6 km SE)
All earthquakes at Rotorua

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Sat, 10 Apr 2021, 23:50

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World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 10 Apr 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Akuseki-jima (2 quakes between mag 4.8-4.8), Akyarlar (1 quake mag 1.4), Brennisteinsfjöll (7 quakes between mag 0.1-1.9), Clear Lake (12 quakes between mag 0.1-2.0), Conchagüita (1 quake mag 2.8), Coso (8 quakes between mag 0.7-1.4) ... Read all
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World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on  9 Apr 2021 Number in brackets indicate nr of quakes.
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