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Volcano earthquake report for Saturday, 11 Sep 2021

Sat, 11 Sep 2021, 23:50
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 11 Sep 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 Sep 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Apoyeque (2 quakes between mag 1.4-2.2), Brennisteinsfjöll (2 quakes between mag 0.7-1.2), Clear Lake (26 quakes between mag 0.3-2.5), Coso (4 quakes between mag 0.9-1.1), Etna (4 quakes between mag 1.2-3.0), Gamkonora (1 quake mag 2.5)
Ibu (1 quake mag 2.6), Kilauea (1 quake mag 1.8), Krísuvík (1 quake mag 2.5), La Palma (1 quake mag 1.5), Lassen (2 quakes between mag 1.1-1.6), Ljósufjöll (1 quake mag 1.6), Loki-Fögrufjöll volcano (1 quake mag 1.4), Long Valley (1 quake mag 1.2), Methana (1 quake mag 1.2), Miravalles (3 quakes between mag 2.7-4.1), Mount St. Helens (1 quake mag 1.0), Nisyros (12 quakes between mag 1.5-2.4), Okataina (Tarawera) (1 quake mag 1.7), Reporoa (1 quake mag 1.6), Salton Buttes (2 quakes between mag 0.9-1.6), Santo Tomas (1 quake mag 1.7), Taupo (1 quake mag 1.4), Tjörnes Fracture Zone (1 quake mag 1.0), Torfajökull (1 quake mag 1.4), Ubehebe Craters (1 quake mag 2.2) (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:




Apoyeque volcano (Nicaragua): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano at nearly the same time (10:31 UTC). Hypocenter depths ranged between 10.0 and 5.0 km.
Earthquake details:
2.2 quake 24 km northwest of Managua, Nicaragua, Sep 11, 2021 4:31 am (GMT -6) (10 km W)
1.4 quake 7 Km Al Noroeste De Managua, Nicaragua, Sep 11, 2021 4:31 am (GMT -6) (9 km SE)
All earthquakes at Apoyeque

Clear Lake volcano (California): 26 earthquakes up to magnitude 2.5

Possible earthquake swarm: 26 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 27 minutes ago. Hypocenter depths ranged between 5.5 and 1.0 km.
Earthquake details: (only 5 largest)
2.5 quake 5km NW of The Geysers, CA, Sep 11, 2021 4:22 pm (GMT -7) (17 km S)
1.6 quake 8km NW of The Geysers, CA, Sep 10, 2021 8:15 pm (GMT -7) (16 km SSW)
1.5 quake 6km NW of The Geysers, CA, Sep 11, 2021 2:59 pm (GMT -7) (17 km S)
1.2 quake 10km NW of The Geysers, CA, Sep 11, 2021 7:32 am (GMT -7) (16 km SSW)
1.0 quake 8km NW of The Geysers, CA, Sep 11, 2021 8:13 am (GMT -7) (16 km SSW)
All earthquakes at Clear Lake

Etna volcano (Italy): 4 earthquakes up to magnitude 3.0

4 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 12.0 and 8.8 km.
Earthquake details:
Reported seismic-like event (likely no quake): 4 km northeast of Giarre, Catania, Sicily, Italy, Sep 11, 2021 1:58 am (GMT +2) (19 km E)
1.5 quake 11 km northwest of Acireale, Catania, Sicily, Italy, Sep 11, 2021 10:01 pm (GMT +2) (11 km SSE)
1.2 quake Italy: 5 Km W Zafferana Etnea (CT) Sep 11, 2021 3:18 pm (GMT +2) (8 km SE)
1.2 quake Italy: 11 Km N Ragalna (CT) Sep 11, 2021 8:07 am (GMT +2) (5 km SW)
All earthquakes at Etna

Gamkonora volcano (Halmahera): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.0 km depth at 8 km distance ESE from the volcano.
Earthquake details:
2.5 quake 67 km north of Ternate, North Maluku, Indonesia, Sep 11, 2021 9:33 am (GMT +9) (8 km ESE)
All earthquakes at Gamkonora

Ibu volcano (Halmahera): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.0 km depth at 6 km distance NNW from the volcano.
Earthquake details:
2.6 quake 85 km north of Ternate, North Maluku, Indonesia, Sep 11, 2021 9:33 am (GMT +9) (6 km NNW)
All earthquakes at Ibu

Krísuvík volcano (Reykjanes Peninsula, Iceland): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.1 km depth at 4 km distance SE from the volcano.
Earthquake details:
2.5 quake Iceland: 1.3 Km NE of Krýsuvík Sep 11, 2021 9:12 pm (GMT +0) (4 km SE)
All earthquakes at Krísuvík

Miravalles volcano (Costa Rica): 3 earthquakes up to magnitude 4.1

3 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 6.0 and 3.0 km.
Earthquake details:
4.1 quake Bagaces, 27 km east of Liberia, Provincia de Guanacaste, Costa Rica, Sep 10, 2021 7:33 pm (GMT -6) (9 km SSW)
2.9 quake Bagaces, Provincia de Guanacaste, 27 km south of San Jose, Costa Rica, Sep 10, 2021 7:33 pm (GMT -6) (5 km SSE)
2.7 quake Bagaces, 26 km east of Liberia, Provincia de Guanacaste, Costa Rica, Sep 11, 2021 1:20 am (GMT -6) (10 km SSW)
All earthquakes at Miravalles

Nisyros volcano (Greece): 12 earthquakes up to magnitude 2.4

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 48 minutes ago. Hypocenter depths ranged between 14.9 and 4.2 km.
Earthquake details: (only 5 largest)
2.4 quake Aegean Sea, 47 km south of Kos, Dodecanese, South Aegean, Greece, Sep 12, 2021 1:54 am (GMT +3) (12 km SSE)
2.0 quake Aegean Sea, 48 km south of Kos, Dodecanese, South Aegean, Greece, Sep 12, 2021 1:34 am (GMT +3) (12 km S)
2.0 quake Aegean Sea, 43 km south of Kos, Dodecanese, South Aegean, Greece, Sep 11, 2021 3:47 pm (GMT +3) (11 km SE)
2.0 quake Aegean Sea, 89 km west of Rhodos, Dodecanese, South Aegean, Greece, Sep 11, 2021 5:46 am (GMT +3) (16 km SSE)
1.9 quake Aegean Sea, 49 km south of Kos, Dodecanese, South Aegean, Greece, Sep 12, 2021 2:02 am (GMT +3) (16 km SSE)
All earthquakes at Nisyros

Ubehebe Craters volcano (California): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 1 hour 26 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 9.9 km depth at 19 km distance NNE from the volcano.
Earthquake details:
2.2 quake 59 Km SSW of Goldfield, Nevada, Sep 11, 2021 3:24 pm (GMT -7) (19 km NNE)
All earthquakes at Ubehebe Craters

Προηγούμενες ειδήσεις

Fri, 10 Sep 2021, 23:50

Volcano earthquake report for Friday, 10 Sep 2021

World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 10 Sep 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Askja (8 quakes between mag 0.1-1.1), Clear Lake (32 quakes between mag 0.4-1.7), Etna (5 quakes between mag 1.1-3.0), Eyafjallajökull (1 quake mag 2.1), Kilauea (1 quake mag 1.8), Lewotolo (1 quake mag 3.1) ... Read all
Thu, 9 Sep 2021, 23:50

Volcano earthquake report for Thursday, 9 Sep 2021

World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on  9 Sep 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Apo (1 quake mag 3.6), Bardarbunga (1 quake mag 1.1), Buzzard Creek (1 quake mag 1.9), Clear Lake (19 quakes between mag 0.4-2.4), Douglas (1 quake mag 1.5), Etna (2 quakes between mag 1.5-1.6) ... Read all
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