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Volcano Earthquake report

Volcano earthquake report for Thursday, 20 Sep 2018

Thursday Sep 20, 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 20 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 20 Sep 2018 Number in brackets indicate nr of quakes.
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)
Grímsvötn (7 quakes between mag 0.4-1.4), Irazu (1 quake mag 2.5), Kilauea (7 quakes between mag 1.7-2.0), La Palma (1 quake mag 1.7), Makushin (5 quakes between mag 0.3-2.4), Mammoth Mountain (4 quakes between mag 0.2-1.6), Mauna Kea (1 quake mag 2.0), Ruapehu (4 quakes between mag 0.5-1.0), Salton Buttes (2 quakes between mag 1.4-1.4), Tana (1 quake mag 1.1), Tindfjallajökull (1 quake mag 1.1) (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): 12 earthquakes up to magnitude 2.1

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 28 minutes ago. Hypocenter depths ranged between 3.2 and 1.1 km.
Earthquake details: (only 5 largest)
M 2.1 quake: 6km NW of The Geysers, CA on Thu, 20 Sep 00h48 (18 km S)
M 1.3 quake: 12km WNW of The Geysers, CA on Thu, 20 Sep 07h13 (18 km SSE)
M 1.1 quake: 7km WNW of The Geysers, CA on Thu, 20 Sep 10h45 (19 km S)
M 1.1 quake: 3km NNW of The Geysers, CA on Thu, 20 Sep 08h20 (18 km S)
M 0.9 quake: 6km WNW of The Geysers, CA on Thu, 20 Sep 19h59 (18 km S)
All earthquakes at Clear Lake

Furnas volcano (Azores): 2 earthquakes up to magnitude 2.4

2 earthquakes occurred near (under) the volcano during 1 hour 41 minutes, the last being recorded quake 42 minutes ago. Hypocenter depths ranged between 1.0 and 0.0 km.
Earthquake details:
M 2.4 quake: AZORES ISLANDS, PORTUGAL on Thu, 20 Sep 23h07 (11 km SW)
M 1.6 quake: S Povoacao (S. Miguel) on Thu, 20 Sep 21h26 (12 km SW)
All earthquakes at Furnas

Irazu volcano (Costa Rica): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 1 km distance WSW from the volcano.
Earthquake details:
M 2.5 quake: 6 km al Noreste de Llano Grande, Cartago. on Thu, 20 Sep 18h35 (1 km WSW)
All earthquakes at Irazu

Makushin volcano (Aleutian Islands): 5 earthquakes up to magnitude 2.4

5 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 8.4 and 5.6 km.
Earthquake details:
M 2.4 quake: 16km WSW of Dutch Harbor, Alaska on Thu, 20 Sep 17h27 (10 km ESE)
M 0.8 quake: 16km WSW of Dutch Harbor, Alaska on Thu, 20 Sep 15h43 (10 km ESE)
M 0.6 quake: 16km WSW of Dutch Harbor, Alaska on Thu, 20 Sep 17h56 (10 km ESE)
M 0.4 quake: 21km W of Dutch Harbor, Alaska on Thu, 20 Sep 13h35 (5 km ESE)
M 0.3 quake: 21km W of Unalaska, Alaska on Thu, 20 Sep 06h40 (5 km ESE)
All earthquakes at Makushin
Previous news
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]
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 16 Sep 2018 Number in brackets indicate nr of quakes.
Sunday, Sep 16, 2018
Quakes detected near: Askja (4 quakes between mag 0.3-1.1), Brennisteinsfjöll (29 quakes between mag 0.1-2.5), Cerro Prieto (2 quakes between mag 2.0-2.1), Geysir (9 quakes between mag 0.8-2.0), Hrómundartindur (3 quakes between mag 0.3-1.4), Inyo Craters (2 quakes between mag 1.2-1.3) ... [more]
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 15 Sep 2018 Number in brackets indicate nr of quakes.
Saturday, Sep 15, 2018
Quakes detected near: Amiata (1 quake mag 1.7), Askja (7 quakes between mag 0.3-1.3), Augustine (1 quake mag 1.4), Cabalian (1 quake mag 2.5), Campi Flegrei (Phlegrean Fields) (1 quake mag 1.6), Clear Lake (1 quake mag 1.7) ... [more]

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