Volcano earthquake report for Wednesday, 31 May 2023
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 31 May 2023 Number in brackets indicate nr of quakes.

Quakes detected near: Agua (1 quake mag 3.0), Auckland Field (1 quake mag 3.0), Buzzard Creek (1 quake mag 1.3), Clear Lake (28 quakes between mag 0.2-2.2), Coso (1 quake mag 1.6), Edgecumbe (2 quakes between mag 0.8-1.9)
El Hierro (1 quake mag 2.4), Eldey (1 quake mag 2.4), Golden Trout Creek (1 quake mag 3.1), Kilauea (43 quakes between mag 0.2-2.0), Koruhüyüğü (1 quake mag 2.1), Krísuvík (9 quakes between mag 0.1-1.8), Kuchinoshima (1 quake mag 2.6), La Palma (3 quakes between mag 0.9-1.3), Loihi (1 quake mag 1.9), Mageik (9 quakes between mag 0.3-1.8), Mammoth Mountain (1 quake mag 1.7), Mauna Kea (1 quake mag 1.9), Methana (1 quake mag 1.2), Miravalles (1 quake mag 3.3), Momotombo (1 quake mag 1.5), Oshima-Oshima (1 quake mag 2.7), Prestahnukur (1 quake mag 1.1), Ruapehu (1 quake mag 1.3), Salton Buttes (2 quakes between mag 1.3-1.4), São Jorge (1 quake mag 1.6), Tenerife (1 quake mag 1.1), Tenorio (3 quakes between mag 2.1-2.6) (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:



Agua volcano (Guatemala): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 11 km distance N from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 26 km west of Guatemala, Departamento de Guatemala, May 31, 2023 12:37 am (GMT -6) (11 km N)
All earthquakes at Agua

Auckland Field volcano (North Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 14 km distance W from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 5 km southwest of Auckland, akland, Auckland, New Zealand, May 31, 2023 1:46 pm (GMT +12) (14 km W)
All earthquakes at Auckland Field

Clear Lake volcano (California): 28 earthquakes up to magnitude 2.2

Possible earthquake swarm: 28 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 1 hour 47 minutes ago. Hypocenter depths ranged between 3.6 and 0.7 km.
Earthquake details: (only 5 largest)
2.2 quake 15 mi southwest of Clearlake, Lake County, California, USA, May 31, 2023 7:05 am (GMT -7) (19 km SSW)
1.5 quake 10km WNW of The Geysers, CA, May 30, 2023 7:21 pm (GMT -7) (18 km SSW)
1.5 quake 7km NW of The Geysers, CA, May 31, 2023 11:56 am (GMT -7) (16 km S)
1.2 quake 6km WNW of The Geysers, CA, May 31, 2023 7:06 am (GMT -7) (19 km SSW)
1.2 quake 7km NW of The Geysers, CA, May 31, 2023 9:18 am (GMT -7) (16 km SSW)
All earthquakes at Clear Lake

El Hierro volcano (Canary Islands): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 47 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 23.0 km depth at 0 km distance W from the volcano.
Earthquake details:
2.4 quake El Hierro, 14 km south of Frontera, Spain, Jun 1, 2023 12:02 am (GMT +1) (0 km W)
All earthquakes at El Hierro

Eldey volcano (Iceland): 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 9.7 km depth at 2 km distance NNW from the volcano.
Earthquake details:
2.4 quake Iceland: 3.0 Km NW of Eldeyjardrangur May 31, 2023 1:11 pm (GMT +0) (2 km NNW)
All earthquakes at Eldey
Eldey is located at the beginning of the Reykjanes Ridge off the SW tip of Iceland. Its highest elevation is the top of Eldey Island, but most of the volcanic edifice is submerged.

Several eruptions occurred in historic times, last in 1926.

Golden Trout Creek volcano (California): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.5 km depth at 9 km distance NE from the volcano.
Earthquake details:
3.1 quake 58 mi east of Visalia, Tulare County, California, USA, May 30, 2023 8:00 pm (GMT -7) (9 km NE)
All earthquakes at Golden Trout Creek

Kilauea volcano (Hawai'i (Big Island)): 43 earthquakes up to magnitude 2.0

Possible earthquake swarm: 43 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 1 hour 39 minutes ago. Hypocenter depths ranged between 22.9 and 0.2 km.
Earthquake details: (only 5 largest)
2.0 quake 3.5 mi southwest of Volcano Village, Hawaii County, USA, May 31, 2023 5:11 am (GMT -10) (1 km ENE)
1.9 quake 6.6 mi southwest of Volcano Village, Hawaii County, USA, May 31, 2023 10:47 am (GMT -10) (5 km S)
1.8 quake 3.6 mi southwest of Volcano Village, Hawaii County, USA, May 31, 2023 12:10 pm (GMT -10) (2 km ESE)
1.8 quake 3 mi southwest of Volcano Village, Hawaii County, USA, May 31, 2023 1:56 am (GMT -10) (2 km ENE)
1.8 quake 3.6 mi southwest of Volcano Village, Hawaii County, USA, May 30, 2023 11:28 pm (GMT -10) (2 km ESE)
All earthquakes at Kilauea

Koruhüyüğü volcano (Turkey): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.1 km depth at 14 km distance SSW from the volcano.
Earthquake details:
2.1 quake Syria, 28 km northeast of Kırıkhan, Hatay, Turkey, May 31, 2023 4:24 pm (GMT +3) (14 km SSW)
All earthquakes at Koruhüyüğü

Kuchinoshima volcano (Ryukyu Islands): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.0 km depth at 6 km distance ENE from the volcano.
Earthquake details:
2.6 quake East China Sea, 75 km southwest of Miyanoura, Kumage-gun, Kagoshima, Japan, Jun 1, 2023 1:37 am (GMT +9) (6 km ENE)
All earthquakes at Kuchinoshima

Miravalles volcano (Costa Rica): magnitude 3.3 earthquake

A magnitude 3.3 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.0 km depth at 11 km distance SSW from the volcano.
Earthquake details:
3.3 quake 27 km east of Liberia, Provincia de Guanacaste, Costa Rica, May 30, 2023 8:31 pm (GMT -6) (11 km SSW)
All earthquakes at Miravalles

Oshima-Oshima volcano (Hokkaido): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 17.0 km depth at 14 km distance SSW from the volcano.
Earthquake details:
2.7 quake Japan Sea, 81 km southwest of Kaminokuni, Hiyama-gun, Hokkaido, Japan, Jun 1, 2023 5:24 am (GMT +9) (14 km SSW)
All earthquakes at Oshima-Oshima

Tenorio volcano (Costa Rica): 3 earthquakes up to magnitude 2.6

3 earthquakes occurred near (under) the volcano during 1 hour 26 minutes, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 7.0 and 4.0 km.
Earthquake details:
2.6 quake 23 km northeast of Canas, Cañas, Provincia de Guanacaste, Costa Rica, May 31, 2023 5:54 am (GMT -6) (10 km SSE)
2.4 quake Provincia de Alajuela, 26 km northeast of Canas, Costa Rica, May 31, 2023 6:05 am (GMT -6) (9 km SE)
2.1 quake Provincia de Alajuela, 26 km northeast of Canas, Costa Rica, May 31, 2023 4:39 am (GMT -6) (8 km SE)
All earthquakes at Tenorio
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