Volcano earthquake report for Thursday, 21 Mar 2024
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 21 Mar 2024 Number in brackets indicate nr of quakes.

Quakes detected near: Apaneca Range (1 quake mag 2.0), Apo (1 quake mag 1.5), Arenal (1 quake mag 2.5), Askja (2 quakes between mag 0.3-1.0), Atka (1 quake mag 1.1), Bardarbunga (2 quakes between mag 1.2-2.8)
Bobrof (1 quake mag 1.4), Clear Lake (39 quakes between mag 0.3-2.2), Coso (1 quake mag 1.1), Don Joao de Castro Bank (1 quake mag 2.5), Etna (1 quake mag 1.1), Fagradalsfjall (2 quakes between mag 0.5-1.1), Fayal (1 quake mag 2.1), Girekol (1 quake mag 1.3), Hualalai (1 quake mag 2.3), Kars (1 quake mag 1.2), Kilauea (4 quakes between mag 1.7-2.0), Krísuvík (3 quakes between mag 0.2-1.0), Masaya (1 quake mag 2.0), North Gorda Ridge (1 quake mag 2.8), Patoc (1 quake mag 2.8), Reykjanes (2 quakes between mag 0.6-1.8), Ruapehu (10 quakes between mag 0.3-1.2), San Salvador (1 quake mag 2.2), Santa Clara (2 quakes between mag 3.0-3.0), Talakmau (1 quake mag 3.7), Taupo (1 quake mag 2.8), Terceira (3 quakes between mag 1.7-2.4) (updated 20h50)

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:



Arenal volcano (Costa Rica): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.0 km depth at 14 km distance W from the volcano.
Earthquake details:
2.5 quake Costa Rica, 30 km east of Canas, Provincia de Guanacaste, Mar 21, 2024 04:23 am (Costa Rica time) (14 km W)
All earthquakes at Arenal

Bardarbunga volcano (Iceland): 2 earthquakes up to magnitude 2.8

2 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 19 hours ago. Hypocenter depths ranged between 18.9 and 6.5 km.
Earthquake details:
2.8 quake 7.5 km ESE of Bárðarbunga Mar 21, 2024 01:48 am (universal time) (7 km E)
1.2 quake 17.5 km ESE of Bárðarbunga Mar 20, 2024 10:43 pm (universal time) (17 km ESE)
All earthquakes at Bardarbunga

Clear Lake volcano (California): 39 earthquakes up to magnitude 2.2

Possible earthquake swarm: 39 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 36 minutes ago. Hypocenter depths ranged between 9.9 and 0.7 km.
Earthquake details: (only 5 largest)
2.2 quake Sonoma County, United States, 13 mi southwest of Clearlake, Lake County, California, Mar 20, 2024 05:08 pm (Los Angeles time) (16 km SSW)
1.9 quake Sonoma County, United States, 14 mi southwest of Clearlake, Lake County, California, Mar 21, 2024 08:15 am (Los Angeles time) (17 km SSW)
1.3 quake United States, 29 mi north of Santa Rosa, Sonoma County, California, Mar 21, 2024 12:15 am (Los Angeles time) (14 km SSW)
1.1 quake United States, 25 mi north of Santa Rosa, Sonoma County, California, Mar 21, 2024 06:00 am (Los Angeles time) (18 km S)
1.1 quake United States, 27 mi north of Santa Rosa, Sonoma County, California, Mar 21, 2024 01:03 pm (Los Angeles time) (18 km SSW)
All earthquakes at Clear Lake

Don Joao de Castro Bank volcano (Azores): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 4 km distance WNW from the volcano.
Earthquake details:
2.5 quake North Atlantic Ocean, Portugal, 66 km southeast of Angra do Heroismo, Azores, Mar 20, 2024 11:31 pm (GMT -1) (4 km WNW)
All earthquakes at Don Joao de Castro Bank

Fayal volcano (Azores): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 0 km depth at 19 km distance WNW from the volcano.
Earthquake details:
2.1 quake North Atlantic Ocean, Portugal, 30 km west of Faial Island, Azores, Mar 21, 2024 10:53 am (Azores time) (19 km WNW)
All earthquakes at Fayal

Hualalai volcano (Hawai'i (Big Island)): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.0 km depth at 18 km distance N from the volcano.
Earthquake details:
2.3 quake United States, 7.3 mi southwest of Waikoloa, Hawaii County, Hawaii, Mar 20, 2024 04:28 pm (Honolulu time) (18 km N)
All earthquakes at Hualalai

North Gorda Ridge volcano (Northern Pacific Ocean): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 18 km distance SSE from the volcano.
Earthquake details:
2.8 quake North Pacific Ocean, United States, 125 mi west of Bandon, Coos County, Oregon, Mar 21, 2024 10:49 am (GMT -8) (18 km SSE)
All earthquakes at North Gorda Ridge

Patoc volcano (Luzon Island): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 34.0 km depth at 7 km distance N from the volcano.
Earthquake details:
2.8 quake Mountain Province, Philippines, 44 km northeast of Mankayan, Cordillera, Mar 22, 2024 02:18 am (Manila time) (7 km N)
All earthquakes at Patoc

San Salvador volcano (El Salvador): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 14 km distance ENE from the volcano.
Earthquake details:
2.2 quake El Salvador, 10.1 km north of San Salvador, San Salvador, Mar 21, 2024 09:04 am (El Salvador time) (14 km ENE)
All earthquakes at San Salvador

Santa Clara volcano (Utah): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 10.0 and 10.0 km.
Earthquake details:
Reported seismic-like event (likely no quake): United States in 0 AD (11 km NNW)
Reported seismic-like event (likely no quake): United States in 0 AD (11 km SSW)
All earthquakes at Santa Clara

Talakmau volcano (Sumatra): magnitude 3.7 earthquake

A magnitude 3.7 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 19 km distance N from the volcano.
Earthquake details:
3.7 quake Kabupaten Pasaman Barat, Indonesia, 76 km northwest of Bukittinggi, Sumatra Barat, Mar 21, 2024 07:43 pm (Jakarta time) (19 km N)
All earthquakes at Talakmau

Taupo volcano (New Zealand): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.5 km depth at 3 km distance SSW from the volcano.
Earthquake details:
2.8 quake New Zealand, 20 km southwest of Taupo, Waikato, Mar 22, 2024 01:51 am (Auckland time) (3 km SSW)
All earthquakes at Taupo

Terceira volcano (Azores): 3 earthquakes up to magnitude 2.4

3 earthquakes occurred near (under) the volcano during 1 hour 26 minutes, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 0 and 0.0 km.
Earthquake details:
2.4 quake Portugal, 13 km northwest of Angra do Heroismo, Azores, Mar 21, 2024 01:28 am (Azores time) (2 km ENE)
1.8 quake Portugal, 17 km northwest of Angra do Heroismo, Azores, Mar 21, 2024 02:45 am (Azores time) (4 km WNW)
1.7 quake Portugal, 14 km northwest of Angra do Heroismo, Azores, Mar 21, 2024 01:19 am (Azores time) (1 km NW)
All earthquakes at Terceira
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/237138/Volcano-earthquake-report-for-Thursday-21-Mar-2024.html