Volcano earthquake report for Saturday, 14 Oct 2023
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 14 Oct 2023 Number in brackets indicate nr of quakes.

Quakes detected near: Apastepeque (1 quake mag 2.5), Brennisteinsfjöll (4 quakes between mag 0.7-1.3), Clear Lake (19 quakes between mag 0.2-1.9), Cosigüina (1 quake mag 2.8), Don Joao de Castro Bank (2 quakes between mag 2.3-2.3), Eldey (1 quake mag 1.4)
Etna (1 quake mag 1.3), Eyafjallajökull (1 quake mag 1.3), Fagradalsfjall (15 quakes between mag 0.4-1.6), Grímsvötn (2 quakes between mag 0.8-1.2), Isla Zacate (1 quake mag 2.5), Jailolo (1 quake mag 2.4), Kilauea (2 quakes between mag 1.7-1.8), Krísuvík (5 quakes between mag 0.1-1.1), Machin (1 quake mag 1.0), Mauna Kea (1 quake mag 1.8), Moffett (1 quake mag 2.0), Reykjanes (3 quakes between mag 0.1-1.3), Rota (1 quake mag 1.7), Taal (1 quake mag 3.0), Tjörnes Fracture Zone (2 quakes between mag 1.7-2.0), Torfajökull (2 quakes between mag 1.7-1.9), Vesuvius (2 quakes between mag 1.1-1.8), White Island (1 quake mag 2.1), Wrangell (1 quake mag 2.0) (updated 00h50)

Note: Earthquakes within 20 km from and at depths less than 50 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:



Apastepeque volcano (El Salvador): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 15 km distance N from the volcano.
Earthquake details:
2.5 quake Departamento de Cabañas, 22 km northeast of Cojutepeque, El Salvador, Oct 13, 2023 6:25 am (GMT -6) (15 km N)
All earthquakes at Apastepeque

Clear Lake volcano (California): 19 earthquakes up to magnitude 1.9

Possible earthquake swarm: 19 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 3.3 and 0.6 km.
Earthquake details: (only 5 largest)
1.9 quake 13 mi southwest of Clearlake, Lake County, California, USA, Oct 13, 2023 12:31 pm (GMT -7) (16 km S)
1.5 quake 10 Km NW of The Geysers, CA, Oct 12, 2023 7:26 pm (GMT -7) (15 km SSW)
1.3 quake 5 Km WNW of Cobb, CA, Oct 13, 2023 4:49 am (GMT -7) (15 km S)
1.1 quake 6 Km NW of The Geysers, CA, Oct 13, 2023 6:24 am (GMT -7) (17 km S)
1.1 quake 8 Km NW of The Geysers, CA, Oct 12, 2023 7:36 pm (GMT -7) (16 km SSW)
All earthquakes at Clear Lake

Cosigüina volcano (Nicaragua): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 17 km distance SE from the volcano.
Earthquake details:
2.8 quake 44 km northwest of Chinandega, Nicaragua, Oct 13, 2023 12:52 am (GMT -6) (17 km SE)
All earthquakes at Cosigüina

Don Joao de Castro Bank volcano (Azores): 2 earthquakes up to magnitude 2.3

2 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 5.0 and 5.0 km.
Earthquake details:
2.3 quake North Atlantic Ocean, 69 km southeast of Angra do Heroismo, Azores, Portugal, Oct 13, 2023 8:47 pm (GMT +0) (1 km NNE)
2.3 quake North Atlantic Ocean, 68 km southeast of Angra do Heroismo, Azores, Portugal, Oct 13, 2023 4:58 pm (GMT +0) (2 km WNW)
All earthquakes at Don Joao de Castro Bank

Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 15 earthquakes up to magnitude 1.6

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 7.4 and 0.1 km.
Earthquake details: (only 5 largest)
1.6 quake Iceland: 5.1 Km SSW of Fagradalsfjall Oct 13, 2023 3:49 pm (GMT +0) (5 km SSW)
1.1 quake Iceland: 5.1 Km SSW of Fagradalsfjall Oct 13, 2023 1:44 pm (GMT +0) (4 km SSW)
1.0 quake Iceland: 5.5 Km SW of Fagradalsfjall Oct 13, 2023 2:18 am (GMT +0) (5 km SW)
0.9 quake Iceland: 1.9 Km SE of Fagradalsfjall Oct 13, 2023 1:18 am (GMT +0) (1 km E)
0.7 quake Iceland: 1.9 Km SE of Fagradalsfjall Oct 13, 2023 1:27 pm (GMT +0) (1 km ESE)
All earthquakes at Fagradalsfjall

Isla Zacate volcano (Honduras): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 34.0 km depth at 18 km distance N from the volcano.
Earthquake details:
2.5 quake 19 km west of San Lorenzo, Departamento de Valle, Honduras, Oct 13, 2023 1:52 am (GMT -6) (18 km N)
All earthquakes at Isla Zacate

Jailolo volcano (Halmahera): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 6 km distance ESE from the volcano.
Earthquake details:
2.4 quake Molucca Sea, 30 km north of Ternate, North Maluku, Indonesia, Oct 13, 2023 11:17 pm (GMT +9) (6 km ESE)
All earthquakes at Jailolo

Taal volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 16 km distance WNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 49 km south of Paranaque City, Southern Manila District, National Capital Region, Philippines, Oct 13, 2023 1:23 pm (GMT +8) (16 km WNW)
All earthquakes at Taal

White Island volcano (New Zealand): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 27.4 km depth at 12 km distance W from the volcano.
Earthquake details:
2.1 quake South Pacific Ocean, 49 km north of Whakatane, Bay of Plenty, New Zealand, Oct 14, 2023 5:39 am (GMT +13) (12 km W)
All earthquakes at White Island
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