Volcano earthquake report for Saturday, 27 Apr 2024

Quakes detected near: Apastepeque (1 quake mag 2.3), Auckland Field (1 quake mag 3.0), Brennisteinsfjöll (5 quakes between mag 0.3-1.3), Campi Flegrei (Phlegrean Fields) (12 quakes between mag 0.3-3.9), Clear Lake (29 quakes between mag 0.3-1.3), Coso (3 quakes between mag 1.3-1.7)
Don Joao de Castro Bank (1 quake mag 3.1), Eldey (1 quake mag 1.7), Fagradalsfjall (9 quakes between mag 0.1-1.2), Kerlingarfjöll (1 quake mag 1.1), Kilauea (51 quakes between mag 1.2-3.0), Malang Plain (1 quake mag 3.0), Methana (1 quake mag 1.0), Ruapehu (2 quakes between mag 0.6-1.0), Spurr (1 quake mag 1.4), Terceira (1 quake mag 2.2), Turrialba (1 quake mag 2.2), Vulcano (1 quake mag 1.9), Wrangell (1 quake mag 1.6) (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:

Apastepeque volcano (El Salvador): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 36.0 km depth at 15 km distance NNW from the volcano.
Earthquake details:
2.3 quake Cabanas, 44 km northeast of San Salvador, San Salvador, El Salvador, Apr 27, 2024 02:44 am (El Salvador time) (15 km NNW)
All earthquakes at Apastepeque

Auckland Field volcano (North Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 13 km distance W from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 7.6 km southwest of Auckland, Auckland, New Zealand, Apr 28, 2024 04:20 am (GMT +12) (13 km W)
All earthquakes at Auckland Field

Campi Flegrei (Phlegrean Fields) volcano (Italy): 12 earthquakes up to magnitude 3.9

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 51 minutes ago. Hypocenter depths ranged between 10.0 and 0.9 km.
Earthquake details: (only 5 largest)
3.9 quake Tyrrhenian Sea, 19 km northeast of Ischia Island, Campania, Italy, Apr 27, 2024 05:44 am (Rome time) (4 km WSW)
Reported seismic-like event (likely no quake): 4.6 km west of Naples, Napoli, Campania, Italy, Apr 27, 2024 07:02 am (GMT +2) (7 km ENE)
2.0 quake Tyrrhenian Sea, 23 km northeast of Ischia Island, Campania, Italy, Apr 27, 2024 08:18 am (Rome time) (1 km SSE)
1.6 quake 4.6 km west of Fuorigrotta, Napoli, Campania, Italy, Apr 27, 2024 11:49 pm (Rome time) (1 km ESE)
1.2 quake Tyrrhenian Sea, 23 km northeast of Ischia Island, Campania, Italy, Apr 27, 2024 03:01 pm (Rome time) (3 km S)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 29 earthquakes up to magnitude 1.3

Possible earthquake swarm: 29 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 23 minutes ago. Hypocenter depths ranged between 15.6 and 0.9 km.
Earthquake details: (only 5 largest)
1.3 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Apr 27, 2024 05:31 am (Los Angeles time) (16 km S)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Apr 27, 2024 02:23 am (Los Angeles time) (16 km S)
1.1 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Apr 27, 2024 04:27 pm (Los Angeles time) (16 km S)
1.1 quake 7 km NW of The Geysers, CA, Apr 27, 2024 01:50 am (Los Angeles time) (18 km SSW)
1.1 quake 7 km NW of The Geysers, CA, Apr 27, 2024 04:12 pm (Los Angeles time) (17 km SSW)
All earthquakes at Clear Lake

Don Joao de Castro Bank volcano (Azores): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 16 km distance ESE from the volcano.
Earthquake details:
3.1 quake North Atlantic Ocean, 85 km northwest of Ponta Delgada, Azores, Portugal, Apr 27, 2024 05:24 am (GMT -1) (16 km ESE)
All earthquakes at Don Joao de Castro Bank

Kilauea volcano (Hawai'i (Big Island)): 51 earthquakes up to magnitude 3.0

Possible earthquake swarm: 51 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 28 minutes ago. Hypocenter depths ranged between 3.2 and 0.1 km.
Earthquake details: (only 5 largest)
3.0 quake 11 km SSW of Volcano, Hawaii, Apr 27, 2024 06:42 am (Honolulu time) (6 km S)
2.6 quake 6 km SW of Volcano, Hawaii, Apr 27, 2024 07:35 am (Honolulu time) (2 km SE)
2.5 quake 5 km SSW of Volcano, Hawaii, Apr 27, 2024 01:58 am (Honolulu time) (4 km ESE)
2.4 quake 21 mi south of Hilo, Hawaii County, Hawaii, United States, Apr 27, 2024 01:06 pm (Honolulu time) (8 km ENE)
2.4 quake 26 mi southwest of Hilo, Hawaii County, Hawaii, United States, Apr 27, 2024 07:46 am (Honolulu time) (2 km ESE)
All earthquakes at Kilauea

Malang Plain volcano (East Java): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 4 km distance NW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 3.3 km east of Malang, East Java, Indonesia, Apr 27, 2024 07:08 pm (GMT +7) (4 km NW)
All earthquakes at Malang Plain

Terceira volcano (Azores): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 0 km depth at 2 km distance NNE from the volcano.
Earthquake details:
2.2 quake 14 km northwest of Angra do Heroismo, Azores, Portugal, Apr 27, 2024 05:40 am (Azores time) (2 km NNE)
All earthquakes at Terceira

Turrialba volcano (Costa Rica): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.0 km depth at 10 km distance ESE from the volcano.
Earthquake details:
2.2 quake 9.5 km north of Turrialba, Cartago, Costa Rica, Apr 26, 2024 06:29 pm (Costa Rica time) (10 km ESE)
All earthquakes at Turrialba

Unnamed volcano (North of Luzon): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.0 km depth at 14 km distance WNW from the volcano.
Earthquake details:
3.1 quake South China Sea, 38 km west of Basco, Batanes, Cagayan Valley, Philippines, Apr 27, 2024 02:01 pm (Manila time) (14 km WNW)
All earthquakes at Unnamed