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

Quakes detected near: Aso (1 quake mag 2.7), Brennisteinsfjöll (1 quake mag 1.1), Campi Flegrei (Phlegrean Fields) (2 quakes between mag 0.4-1.0), Clear Lake (23 quakes between mag 0.3-1.6), Coso (3 quakes between mag 0.8-1.6), Cuilapa-Barbarena (2 quakes between mag 1.7-3.2)
Edgecumbe (3 quakes between mag 0.5-1.0), Esjufjöll (1 quake mag 1.2), Etna (2 quakes between mag 1.5-2.1), Ililabalekan (1 quake mag 2.7), Kilauea (2 quakes between mag 1.7-3.5), Krafla (1 quake mag 1.0), Krísuvík (1 quake mag 1.1), Leonard Range (4 quakes between mag 1.3-2.5), Loihi (1 quake mag 1.8), Maunaloa (2 quakes between mag 2.1-2.2), Paco (1 quake mag 1.9), Piton de la Fournaise (1 quake mag 1.7), Rincón de la Vieja (1 quake mag 3.0), Sousaki (1 quake mag 1.6), São Jorge (1 quake mag 1.8), Tenerife (2 quakes between mag 0.8-1.0), Tenorio (1 quake mag 2.1), Theistareykjarbunga (1 quake mag 1.7), Tor Zawar (1 quake mag 3.2), Vatnafjöll (1 quake mag 2.0) (updated 11h50)

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:



Aso volcano (Kyushu): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.4 km depth at 8 km distance WNW from the volcano.
Earthquake details:
2.7 quake 6.5 km southwest of Aso, Prefectura de Kumamoto, Japan, Oct 20, 2023 4:12 pm (GMT +9) (8 km WNW)
All earthquakes at Aso

Clear Lake volcano (California): 23 earthquakes up to magnitude 1.6

Possible earthquake swarm: 23 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 26 minutes ago. Hypocenter depths ranged between 3.9 and 0.9 km.
Earthquake details: (only 5 largest)
1.6 quake 6 Km WNW of The Geysers, CA, Oct 19, 2023 8:02 am (GMT -7) (18 km SSW)
1.5 quake 4 Km W of Cobb, CA, Oct 19, 2023 5:58 am (GMT -7) (17 km S)
1.5 quake 7 Km NW of The Geysers, CA, Oct 20, 2023 2:06 am (GMT -7) (18 km SSW)
1.4 quake 7 Km WNW of The Geysers, CA, Oct 20, 2023 3:24 am (GMT -7) (18 km SSW)
1.3 quake 8 Km NW of The Geysers, CA, Oct 19, 2023 5:37 am (GMT -7) (16 km SSW)
All earthquakes at Clear Lake

Cuilapa-Barbarena volcano (Guatemala): 2 earthquakes up to magnitude 3.2

2 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 4.0 and 3.0 km.
Earthquake details:
3.2 quake Santa Rosa, 32 km southeast of Guatemala, Departamento de Guatemala, Oct 20, 2023 12:42 am (GMT -6) (13 km NE)
1.7 quake 14 Km Al Norte De Cuilapa, Guatemala, Oct 19, 2023 9:58 pm (GMT -6) (12 km NE)
All earthquakes at Cuilapa-Barbarena

Etna volcano (Italy): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 15 hours ago. Hypocenter depths ranged between 8.1 and 3.9 km.
Earthquake details:
2.1 quake 2.5 km south of Adrano, Catania, Sicily, Italy, Oct 19, 2023 7:30 pm (GMT +2) (18 km SW)
1.5 quake Italy: 6 Km W Zafferana Etnea (CT) Oct 19, 2023 10:49 pm (GMT +2) (9 km SSE)
All earthquakes at Etna

Ililabalekan volcano (Lesser Sunda Islands): magnitude 2.7 earthquake

A magnitude 2.7 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 2 km distance W from the volcano.
Earthquake details:
2.7 quake East Nusa Tenggara, Indonesia, Oct 20, 2023 12:41 am (GMT +8) (2 km W)
All earthquakes at Ililabalekan

Kilauea volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 3.5

2 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 31.1 and 1.4 km.
Earthquake details:
3.5 quake 37 mi southwest of Hilo, Hawaii County, USA, Oct 19, 2023 5:09 pm (GMT -10) (19 km SW)
1.7 quake 4.2 mi south of Volcano Village, Hawaii County, USA, Oct 19, 2023 5:36 am (GMT -10) (5 km ESE)
All earthquakes at Kilauea

Leonard Range volcano (Mindanao): 4 earthquakes up to magnitude 2.5

4 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 33.0 and 4.0 km.
Earthquake details:
2.5 quake 41 km east of Magugpo Poblacion, Davao, Philippines, Oct 20, 2023 3:10 pm (GMT +8) (13 km ESE)
1.8 quake 41 km north of Mati, Province of Davao Oriental, Philippines, Oct 20, 2023 4:05 am (GMT +8) (19 km ESE)
1.6 quake Philippines: 011 Km S 02° W of New Bataan (Davao De Oro) Oct 20, 2023 3:14 am (GMT +8) (12 km NE)
1.3 quake Philippines: 016 Km S 03° E of New Bataan (Davao De Oro) Oct 20, 2023 4:28 am (GMT +8) (10 km ENE)
All earthquakes at Leonard Range

Maunaloa volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 37.7 and 7.6 km.
Earthquake details:
2.2 quake 38 mi southwest of Hilo, Hawaii County, USA, Oct 19, 2023 2:10 pm (GMT -10) (6 km SE)
2.1 quake 11 mi east of Honaunau-Napoopoo, Hawaii County, USA, Oct 19, 2023 9:48 am (GMT -10) (9 km W)
All earthquakes at Maunaloa

Rincón de la Vieja volcano (Costa Rica): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.0 km depth at 6 km distance S from the volcano.
Earthquake details:
3.0 quake 20 km northeast of Liberia, Provincia de Guanacaste, Costa Rica, Oct 19, 2023 2:27 pm (GMT -6) (6 km S)
All earthquakes at Rincón de la Vieja

Tenorio volcano (Costa Rica): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.0 km depth at 8 km distance SE from the volcano.
Earthquake details:
2.1 quake Provincia de Alajuela, 25 km northeast of Canas, Costa Rica, Oct 19, 2023 8:24 am (GMT -6) (8 km SE)
All earthquakes at Tenorio

Tor Zawar volcano (Pakistan): magnitude 3.2 earthquake

A magnitude 3.2 earthquake occurred at the volcano 1 hour 41 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 17 km distance SE from the volcano.
Earthquake details:
3.2 quake 59 km east of Quetta, Balochistan, Pakistan, Oct 20, 2023 3:09 pm (GMT +5) (17 km SE)
All earthquakes at Tor Zawar
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/223893/Volcano-earthquake-report-for-Friday-20-Oct-2023.html