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Volcano Earthquake report

Volcano earthquake report for Saturday, 22 Sep 2018

Saturday Sep 22, 2018 23:50 PM | BY: EARTHQUAKEMONITOR

World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 22 Sep 2018 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 22 Sep 2018 Number in brackets indicate nr of quakes.
Quakes detected near: Clear Lake (15 quakes between mag 0.5-1.4), Etna (2 quakes between mag 1.2-1.6), Grensdalur (28 quakes between mag 0.1-2.8), Grímsvötn (1 quake mag 1.0), Katla (4 quakes between mag 0.1-1.0), Kilauea (3 quakes between mag 1.7-1.8)
Mammoth Mountain (1 quake mag 1.3), Ruapehu (3 quakes between mag 0.4-1.1), Snowy Mountain (1 quake mag 2.2), Steamboat Springs (1 quake mag 1.0), Taupo (2 quakes between mag 1.6-1.8), Tjörnes Fracture Zone (2 quakes between mag 0.7-1.0), Öraefajökull (11 quakes between mag 0.3-1.7) (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): 15 earthquakes up to magnitude 1.4

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 35 minutes ago. Hypocenter depths ranged between 3.5 and 1.0 km.
Earthquake details: (only 5 largest)
M 1.4 quake: 3km NNW of The Geysers, CA on Sat, 22 Sep 16h05 (19 km S)
M 0.9 quake: 6km NNW of The Geysers, CA on Sat, 22 Sep 09h31 (16 km S)
M 0.9 quake: 10km WNW of The Geysers, CA on Sat, 22 Sep 06h06 (18 km SSE)
M 0.9 quake: 7km NW of The Geysers, CA on Sat, 22 Sep 00h48 (17 km S)
M 0.8 quake: 4km NW of The Geysers, CA on Sat, 22 Sep 21h55 (18 km S)
All earthquakes at Clear Lake

Grensdalur volcano (Iceland): 28 earthquakes up to magnitude 2.8

Possible earthquake swarm: 28 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 1 minutes ago. Hypocenter depths ranged between 16.8 and 1.6 km.
Earthquake details: (only 5 largest)
M 2.8 quake: 3.6 km ESE of Raufarhólshellir on Sat, 22 Sep 15h46 (13 km SE)
M 2.1 quake: 4.1 km ESE of Raufarhólshellir on Sat, 22 Sep 16h29 (13 km SE)
M 1.9 quake: 3.8 km ESE of Raufarhólshellir on Sat, 22 Sep 16h04 (13 km SE)
M 1.4 quake: 2.7 km E of Raufarhólshellir on Sat, 22 Sep 20h04 (12 km SE)
M 1.2 quake: 4.8 km ESE of Raufarhólshellir on Sat, 22 Sep 17h13 (13 km SE)
All earthquakes at Grensdalur

Snowy Mountain volcano (Alaska Peninsula): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 0 km depth at 11 km distance NNW from the volcano.
Earthquake details:
M 2.2 quake: 108km NNW of Larsen Bay, Alaska on Sat, 22 Sep 17h02 (11 km NNW)
All earthquakes at Snowy Mountain

Öraefajökull volcano (Iceland): 11 earthquakes up to magnitude 1.7

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 7.2 and 0.9 km.
Earthquake details: (only 5 largest)
M 1.7 quake: 0.8 km NE of Hvannadalshnjúkur on Sat, 22 Sep 18h25 (2 km NNE)
M 1.4 quake: 0.3 km NW of Hvannadalshnjúkur on Sat, 22 Sep 13h45 (2 km NE)
M 1.2 quake: 4.1 km ENE of Hvannadalshnjúkur on Sat, 22 Sep 11h46 (4 km NNW)
M 1.0 quake: 4.7 km ENE of Hvannadalshnjúkur on Sat, 22 Sep 08h33 (4 km NNW)
M 0.8 quake: 3.8 km E of Hvannadalshnjúkur on Sat, 22 Sep 11h46 (3 km NW)
All earthquakes at Öraefajökull
Previous news
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 21 Sep 2018 Number in brackets indicate nr of quakes.
Friday, Sep 21, 2018
Quakes detected near: Askja (4 quakes between mag 0.3-1.1), Clear Lake (10 quakes between mag 0.4-1.1), Coso (3 quakes between mag 0.7-1.0), Furnas (7 quakes between mag 1.2-2.6), Grensdalur (12 quakes between mag 0.3-1.6), Hualalai (1 quake mag 2.1) ... [more]
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 20 Sep 2018 Number in brackets indicate nr of quakes.
Thursday, Sep 20, 2018
Quakes detected near: Akyarlar (1 quake mag 1.7), Askja (9 quakes between mag 0.2-2.0), Brennisteinsfjöll (1 quake mag 1.1), Clear Lake (12 quakes between mag 0.6-2.1), Coso (2 quakes between mag 0.3-1.1), Furnas (2 quakes between mag 1.6-2.4) ... [more]
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 19 Sep 2018 Number in brackets indicate nr of quakes.
Wednesday, Sep 19, 2018
Quakes detected near: Akyarlar (1 quake mag 1.8), Brennisteinsfjöll (2 quakes between mag 0.6-1.3), Cabalian (1 quake mag 2.4), Clear Lake (8 quakes between mag 0.6-1.8), Coso (4 quakes between mag 0.3-1.3), Don Joao de Castro Bank (4 quakes between mag 2.5-2.9) ... [more]
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 18 Sep 2018 Number in brackets indicate nr of quakes.
Tuesday, Sep 18, 2018
Quakes detected near: Askja (14 quakes between mag 0.3-1.4), Augustine (2 quakes between mag 0.1-1.8), Campi Flegrei (Phlegrean Fields) (1 quake mag 2.5), Cerro Prieto (1 quake mag 2.6), Clear Lake (3 quakes between mag 0.5-1.4), Cook (1 quake mag 5.8) ... [more]
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 17 Sep 2018 Number in brackets indicate nr of quakes.
Monday, Sep 17, 2018
Quakes detected near: Batur (1 quake mag 3.7), Brennisteinsfjöll (3 quakes between mag 0.3-1.1), Clear Lake (5 quakes between mag 0.7-1.8), Coso (1 quake mag 1.0), Don Joao de Castro Bank (1 quake mag 1.9), Furnas (1 quake mag 1.7) ... [more]

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