Volcano earthquake report for Sunday, 29 Oct 2023
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 29 Oct 2023 Number in brackets indicate nr of quakes.

Quakes detected near: Arayat (1 quake mag 3.0), Askja (3 quakes between mag 0.3-1.3), Barva (1 quake mag 2.5), Bogoslof (13 quakes between mag 0.8-2.0), Brennisteinsfjöll (5 quakes between mag 0.1-2.0), Clear Lake (22 quakes between mag 0.2-1.5)
Eldey (4 quakes between mag 0.1-1.2), Etna (6 quakes between mag 1.2-2.0), Fagradalsfjall (28 quakes between mag 0.1-1.7), Hrómundartindur (1 quake mag 1.2), Kilauea (11 quakes between mag 1.7-2.3), La Palma (1 quake mag 1.3), Lavic Lake (2 quakes between mag 1.7-1.8), Maunaloa (2 quakes between mag 1.8-2.0), Novarupta (3 quakes between mag 0.4-1.3), Okataina (Tarawera) (7 quakes between mag 1.6-2.5), Pinatubo (1 quake mag 1.5), Reykjanes (88 quakes between mag 0.1-2.8), Salton Buttes (1 quake mag 2.3), Snowy Mountain (1 quake mag 1.7), Tenorio (2 quakes between mag 2.5-2.5), Tjörnes Fracture Zone (1 quake mag 1.1), Turrialba (1 quake mag 2.2), Wide Bay (1 quake mag 1.1) (updated 23h50)

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:



Arayat volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 9 km distance W from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 6.3 km northeast of Angeles City, Pampanga, Central Luzon, Philippines, Oct 29, 2023 11:09 am (GMT +8) (9 km W)
All earthquakes at Arayat

Barva volcano (Costa Rica): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 43 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 4.0 km depth at 7 km distance SE from the volcano.
Earthquake details:
2.5 quake Provincia de Heredia, 18 km north of San Jose, San José, Costa Rica, Oct 29, 2023 5:07 pm (GMT -6) (7 km SE)
All earthquakes at Barva

Bogoslof volcano (Aleutian Islands): 13 earthquakes up to magnitude 2.0

Possible earthquake swarm: 13 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 7.8 and 0.0 km.
Earthquake details: (only 5 largest)
2.0 quake Bering Sea, 56 mi west of Unalaska, Aleutians West, Alaska, USA, Oct 28, 2023 7:14 pm (GMT -8) (10 km ESE)
2.0 quake Bering Sea, 58 mi west of Unalaska, Aleutians West, Alaska, USA, Oct 28, 2023 6:13 pm (GMT -8) (6 km ESE)
1.8 quake Bering Sea, 56 mi west of Unalaska, Aleutians West, Alaska, USA, Oct 28, 2023 10:02 pm (GMT -8) (8 km ESE)
1.7 quake Fox Islands, Aleutian Islands, Alaska, Oct 29, 2023 12:58 pm (GMT -8) (9 km ESE)
1.7 quake 92 Km W of Dutch Harbor, Alaska, Oct 29, 2023 10:58 am (GMT -8) (6 km ESE)
All earthquakes at Bogoslof

Clear Lake volcano (California): 22 earthquakes up to magnitude 1.5

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 13 minutes ago. Hypocenter depths ranged between 4.3 and 0.9 km.
Earthquake details: (only 5 largest)
1.5 quake 6 Km WNW of The Geysers, CA, Oct 29, 2023 1:59 pm (GMT -7) (19 km S)
1.5 quake 8 Km NW of The Geysers, CA, Oct 29, 2023 1:46 am (GMT -7) (16 km SSW)
1.4 quake 8 Km NW of The Geysers, CA, Oct 28, 2023 5:50 pm (GMT -7) (16 km SSW)
1.2 quake 7 Km NW of The Geysers, CA, Oct 29, 2023 7:39 am (GMT -7) (18 km SSW)
1.1 quake 6 Km WNW of The Geysers, CA, Oct 29, 2023 2:04 pm (GMT -7) (19 km S)
All earthquakes at Clear Lake

Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 28 earthquakes up to magnitude 1.7

Possible earthquake swarm: 28 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 7.3 and 2.6 km.
Earthquake details: (only 5 largest)
1.7 quake Iceland: 5.3 Km W of Fagradalsfjall Oct 29, 2023 3:33 am (GMT +0) (5 km W)
1.6 quake Iceland: 4.8 Km W of Fagradalsfjall Oct 29, 2023 3:38 am (GMT +0) (5 km W)
1.4 quake Iceland: 5.1 Km W of Fagradalsfjall Oct 29, 2023 3:33 am (GMT +0) (5 km W)
1.1 quake Iceland: 5.6 Km WSW of Fagradalsfjall Oct 29, 2023 5:53 am (GMT +0) (6 km W)
1.0 quake Iceland: 3.1 Km W of Fagradalsfjall Oct 29, 2023 12:23 am (GMT +0) (3 km WNW)
All earthquakes at Fagradalsfjall

Kilauea volcano (Hawai'i (Big Island)): 11 earthquakes up to magnitude 2.3

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 1 hour 12 minutes ago. Hypocenter depths ranged between 3.3 and 0.8 km.
Earthquake details: (only 5 largest)
2.3 quake 29 mi southwest of Hilo, Hawaii County, USA, Oct 28, 2023 5:02 pm (GMT -10) (5 km S)
2.2 quake 29 mi south of Hilo, Hawaii County, USA, Oct 28, 2023 10:50 pm (GMT -10) (14 km SE)
2.2 quake 31 mi southwest of Hilo, Hawaii County, USA, Oct 28, 2023 4:22 pm (GMT -10) (8 km SSW)
2.0 quake 8.5 mi southwest of Volcano Village, Hawaii County, USA, Oct 28, 2023 8:28 pm (GMT -10) (8 km SSW)
2.0 quake 4.7 mi southwest of Volcano Village, Hawaii County, USA, Oct 28, 2023 6:17 pm (GMT -10) (2 km SSE)
All earthquakes at Kilauea

Okataina (Tarawera) volcano (New Zealand): 7 earthquakes up to magnitude 2.5

7 earthquakes occurred near (under) the volcano during 1 hour 10 minutes, the last being recorded quake 13 hours ago. Hypocenter depths ranged between 5.0 and 3.3 km.
Earthquake details: (only 5 largest)
2.5 quake 21 km southeast of Rotorua, Bay of Plenty, New Zealand, Oct 29, 2023 11:19 pm (GMT +13) (17 km SSW)
2.2 quake 20 km southeast of Rotorua, Bay of Plenty, New Zealand, Oct 29, 2023 10:56 pm (GMT +13) (17 km SSW)
2.0 quake 20 km southeast of Rotorua, Bay of Plenty, New Zealand, Oct 29, 2023 11:20 pm (GMT +13) (17 km SSW)
1.8 quake 21 km southeast of Rotorua, Bay of Plenty, New Zealand, Oct 30, 2023 12:05 am (GMT +13) (17 km SSW)
1.8 quake 20 km southeast of Rotorua, Bay of Plenty, New Zealand, Oct 29, 2023 11:12 pm (GMT +13) (18 km SSW)
All earthquakes at Okataina (Tarawera)

Reykjanes volcano (Reykjanes Peninsula, Iceland): 88 earthquakes up to magnitude 2.8

Possible earthquake swarm: 88 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 34 minutes ago. Hypocenter depths ranged between 14.6 and 0.1 km.
Earthquake details: (only 5 largest)
2.8 quake Iceland: 3.4 Km N of Grindavík Oct 29, 2023 11:40 am (GMT +0) (6 km SE)
2.3 quake Iceland: 3.9 Km NNW of Grindavík Oct 29, 2023 4:39 pm (GMT +0) (3 km SE)
2.3 quake Iceland: 4.3 Km WNW of Grindavík Oct 29, 2023 12:16 am (GMT +0) (3 km S)
2.3 quake Iceland: 5.2 Km NW of Grindavík Oct 29, 2023 12:08 am (GMT +0) (3 km S)
2.3 quake Iceland: 4.9 Km N of Grindavík Oct 29, 2023 10:26 pm (GMT +0) (3 km ESE)
All earthquakes at Reykjanes

Salton Buttes volcano (California): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.8 km depth at 15 km distance SSE from the volcano.
Earthquake details:
2.3 quake 7 mi northwest of Brawley, Imperial County, California, USA, Oct 29, 2023 12:26 am (GMT -7) (15 km SSE)
All earthquakes at Salton Buttes

Tenorio volcano (Costa Rica): 2 earthquakes up to magnitude 2.5

2 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 51 minutes ago. Hypocenter depths ranged between 6.0 and 4.0 km.
Earthquake details:
2.5 quake Provincia de Alajuela, 26 km northeast of Canas, Costa Rica, Oct 29, 2023 4:59 pm (GMT -6) (9 km SE)
2.5 quake Provincia de Alajuela, 47 km east of Liberia, Costa Rica, Oct 29, 2023 11:36 am (GMT -6) (1 km NE)
All earthquakes at Tenorio

Turrialba volcano (Costa Rica): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 13 hours ago. The quake, which might be volcanic in origin, was located at a depth of 15.0 km depth at 14 km distance ENE from the volcano.
Earthquake details:
2.2 quake Provincia de Limon, 17 km north of Turrialba, Provincia de Cartago, Costa Rica, Oct 29, 2023 5:09 am (GMT -6) (14 km ENE)
All earthquakes at Turrialba
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/224719/Volcano-earthquake-report-for-Sunday-29-Oct-2023.html