Volcano earthquake report for Saturday, 16 Mar 2024
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 16 Mar 2024 Number in brackets indicate nr of quakes.

Quakes detected near: Arenal (1 quake mag 3.0), Aso (1 quake mag 3.3), Bardarbunga (2 quakes between mag 0.6-1.7), Churchill (1 quake mag 1.2), Clear Lake (41 quakes between mag 0.2-3.0), Don Joao de Castro Bank (3 quakes between mag 2.4-3.0)
Eldey (2 quakes between mag 1.1-1.4), Etna (1 quake mag 2.0), Fagradalsfjall (42 quakes between mag 0.0-1.1), Grímsvötn (1 quake mag 1.2), Hrómundartindur (10 quakes between mag 0.1-1.9), Kars (1 quake mag 1.5), Kilauea (3 quakes between mag 1.2-2.0), Mono Lake (1 quake mag 1.4), Moyuta (1 quake mag 3.0), Okataina (Tarawera) (1 quake mag 1.9), Olot Field (1 quake mag 2.9), Reykjanes (23 quakes between mag 0.0-1.2), Sousaki (1 quake mag 2.1), Terceira (1 quake mag 1.6), Tjörnes Fracture Zone (1 quake mag 2.0) (updated 14h50)

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 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 4 km distance NNE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): Costa Rica, 34 km northwest of Ciudad Quesada, Provincia de Alajuela, Mar 15, 2024 09:38 pm (GMT -6) (4 km NNE)
All earthquakes at Arenal

Aso volcano (Kyushu): magnitude 3.3 earthquake

A magnitude 3.3 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.4 km depth at 6 km distance WNW from the volcano.
Earthquake details:
3.3 quake Japan, 4.6 km southwest of Aso, Kumamoto, Mar 16, 2024 06:34 am (GMT +9) (6 km WNW)
All earthquakes at Aso

Clear Lake volcano (California): 41 earthquakes up to magnitude 3.0

Possible earthquake swarm: 41 earthquakes occurred near (under) the volcano during 24 hours, the last being recorded quake 19 minutes ago. Hypocenter depths ranged between 12.5 and 0.3 km.
Earthquake details: (only 5 largest)
Reported seismic-like event (likely no quake): United States, 0.6 mi southeast of Clearlake, Lake County, California, Mar 16, 2024 12:44 am (GMT -7) (13 km E)
1.8 quake Sonoma County, United States, 15 mi southwest of Clearlake, Lake County, California, Mar 15, 2024 04:37 pm (Los Angeles time) (18 km SSW)
1.5 quake United States, 28 mi north of Santa Rosa, Sonoma County, California, Mar 16, 2024 03:03 am (Los Angeles time) (16 km SSW)
1.4 quake United States, 28 mi north of Santa Rosa, Sonoma County, California, Mar 16, 2024 03:06 am (Los Angeles time) (16 km SSW)
1.4 quake United States, 28 mi north of Santa Rosa, Sonoma County, California, Mar 15, 2024 10:02 am (Los Angeles time) (16 km SSW)
All earthquakes at Clear Lake

Don Joao de Castro Bank volcano (Azores): 3 earthquakes up to magnitude 3.0

3 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 2.0 and 0.0 km.
Earthquake details:
3.0 quake North Atlantic Ocean, Portugal, 68 km southeast of Angra do Heroismo, Azores, Mar 15, 2024 11:26 pm (GMT -1) (2 km NW)
2.7 quake North Atlantic Ocean, Portugal, 68 km southeast of Angra do Heroismo, Azores, Mar 16, 2024 03:32 am (GMT -1) (8 km SW)
2.4 quake North Atlantic Ocean, Portugal, 74 km southeast of Terceira Island, Azores, Mar 16, 2024 12:19 am (GMT -1) (7 km NE)
All earthquakes at Don Joao de Castro Bank

Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 42 earthquakes up to magnitude 1.1

Possible earthquake swarm: 42 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 8.2 and 0.4 km.
Earthquake details: (only 5 largest)
1.1 quake Iceland: 1.4 Km Sw of Fagradalsfjall Mar 16, 2024 05:29 am (Reykjavik time) (1 km W)
1.1 quake Iceland: 2.7 Km Sw of Fagradalsfjall Mar 16, 2024 04:16 am (Reykjavik time) (2 km WSW)
1.0 quake Iceland: 1.4 Km Sw of Fagradalsfjall Mar 15, 2024 09:54 pm (Reykjavik time) (1 km W)
1.0 quake Iceland: 1.8 Km Sw of Fagradalsfjall Mar 16, 2024 01:14 am (Reykjavik time) (2 km W)
1.0 quake Iceland: 1.5 Km Sw of Fagradalsfjall Mar 16, 2024 12:18 am (Reykjavik time) (1 km W)
All earthquakes at Fagradalsfjall

Moyuta volcano (Guatemala): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 5 km distance ENE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): Guatemala, 33 km southwest of Jutiapa, Jutiapa, Mar 15, 2024 09:59 am (GMT -6) (5 km ENE)
All earthquakes at Moyuta

Olot Field volcano (Spain): magnitude 2.9 earthquake

A magnitude 2.9 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 15.0 km depth at 17 km distance ESE from the volcano.
Earthquake details:
2.9 quake Spain, 14 km northwest of Gerone, Girona, Catalonia, Mar 15, 2024 07:30 pm (Madrid time) (17 km ESE)
All earthquakes at Olot Field

Reykjanes volcano (Reykjanes Peninsula, Iceland): 23 earthquakes up to magnitude 1.2

Possible earthquake swarm: 23 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 7.3 and 1.5 km.
Earthquake details: (only 5 largest)
1.2 quake Iceland: 1.2 Km Sse of Þorbjörn Mar 16, 2024 08:39 am (Reykjavik time) (6 km SE)
1.1 quake Iceland: 0.6 Km Sw of Grindavík Mar 16, 2024 12:29 am (Reykjavik time) (7 km SSE)
1.1 quake Iceland: 1.0 Km Sse of Þorbjörn Mar 16, 2024 02:43 am (Reykjavik time) (6 km SE)
1.1 quake Iceland: 1.2 Km Ssw of Hagafell Mar 15, 2024 11:36 pm (Reykjavik time) (6 km SE)
0.8 quake Iceland: 4.3 Km Nnw of Stóra-skógfell Mar 15, 2024 06:01 pm (Reykjavik time) (8 km NE)
All earthquakes at Reykjanes

Sousaki volcano (Greece): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 5 km distance ENE from the volcano.
Earthquake details:
2.1 quake Greece, 17 km east of Corinthos, Corinthia, Peloponnese, Mar 16, 2024 12:52 pm (Athens time) (5 km ENE)
All earthquakes at Sousaki
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/236730/Volcano-earthquake-report-for-Saturday-16-Mar-2024.html