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

Quakes detected near: Aso (1 quake mag 3.1), Bardarbunga (3 quakes between mag 0.7-2.2), Barva (1 quake mag 2.6), Brennisteinsfjöll (5 quakes between mag 0.4-1.2), Campi Flegrei (Phlegrean Fields) (8 quakes between mag 0.5-1.7), Clear Lake (48 quakes between mag 0.3-2.5)
Coso (4 quakes between mag 0.7-1.5), Etna (3 quakes between mag 1.1-3.0), Fagradalsfjall (4 quakes between mag 0.8-1.1), Golden Trout Creek (1 quake mag 1.0), Hrómundartindur (14 quakes between mag 0.2-1.7), Hualalai (2 quakes between mag 1.7-1.8), Karadağ (2 quakes between mag 1.9-2.9), Kilauea (4 quakes between mag 1.3-2.0), La Palma (1 quake mag 1.5), Martin (1 quake mag 1.5), Ruapehu (7 quakes between mag 0.5-1.2), Tjörnes Fracture Zone (3 quakes between mag 0.7-2.1), Vulcano (1 quake mag 2.1) (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:



Aso volcano (Kyushu): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.2 km depth at 10 km distance N from the volcano.
Earthquake details:
3.1 quake Japan, 4.3 km northeast of Aso, Kumamoto, Mar 20, 2024 08:54 am (GMT +9) (10 km N)
All earthquakes at Aso

Bardarbunga volcano (Iceland): 3 earthquakes up to magnitude 2.2

3 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 1 hour 7 minutes ago. Hypocenter depths ranged between 8.1 and 1.1 km.
Earthquake details:
2.2 quake Iceland: 6.7 km NE of Bárðarbunga Mar 20, 2024 01:43 pm (Reykjavik time) (8 km NE)
1.1 quake Iceland: 17.8 km ESE of Bárðarbunga Mar 20, 2024 10:43 pm (Reykjavik time) (18 km E)
0.7 quake Iceland: 6.8 km ENE of Bárðarbunga Mar 20, 2024 01:43 pm (Reykjavik time) (7 km NE)
All earthquakes at Bardarbunga

Barva volcano (Costa Rica): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.0 km depth at 5 km distance NW from the volcano.
Earthquake details:
2.6 quake Provincia de Heredia, Costa Rica, 26 km north of San Jose, Provincia de San José, Mar 20, 2024 02:45 am (Costa Rica time) (5 km NW)
All earthquakes at Barva

Clear Lake volcano (California): 48 earthquakes up to magnitude 2.5

Possible earthquake swarm: 48 earthquakes occurred near (under) the volcano during 24 hours, the last being recorded quake 10 minutes ago. Hypocenter depths ranged between 2.7 and 0.2 km.
Earthquake details: (only 5 largest)
2.5 quake United States, 27 mi north of Santa Rosa, Sonoma County, California, Mar 20, 2024 11:29 am (Los Angeles time) (16 km SSW)
2.3 quake Sonoma County, United States, 13 mi southwest of Clearlake, Lake County, California, Mar 20, 2024 12:34 pm (Los Angeles time) (16 km SSW)
2.1 quake Sonoma County, United States, 13 mi southwest of Clearlake, Lake County, California, Mar 20, 2024 12:02 pm (Los Angeles time) (16 km SSW)
1.8 quake Sonoma County, United States, 13 mi southwest of Clearlake, Lake County, California, Mar 19, 2024 11:13 pm (Los Angeles time) (19 km S)
1.6 quake Sonoma County, United States, 13 mi southwest of Clearlake, Lake County, California, Mar 20, 2024 12:16 pm (Los Angeles time) (18 km S)
All earthquakes at Clear Lake

Etna volcano (Italy): 3 earthquakes up to magnitude 3.0

3 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 1 hour 22 minutes ago. Hypocenter depths ranged between 10.0 and 1.0 km.
Earthquake details:
Reported seismic-like event (likely no quake): Italy, 30 km north of Catania, Catania, Sicily, Mar 20, 2024 06:52 am (GMT +1) (0 km NW)
1.3 quake Italy, 15 km northwest of Giarre, Catania, Sicily, Mar 20, 2024 07:18 am (Rome time) (8 km NE)
1.1 quake Italy, 36 km north of Catania, Catania, Sicily, Mar 20, 2024 11:28 pm (Rome time) (9 km NE)
All earthquakes at Etna

Hrómundartindur volcano (Iceland): 14 earthquakes up to magnitude 1.7

Possible earthquake swarm: 14 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 5.7 and 2.4 km.
Earthquake details: (only 5 largest)
1.7 quake 3.6 km ENE of Litla_Kaffistofan Mar 20, 2024 05:53 am (universal time) (11 km W)
1.6 quake 3.2 km NNW of Hellisheiðarvirkjun Mar 20, 2024 06:07 am (universal time) (11 km W)
1.4 quake Iceland: 3.4 km ENE of Litla_Kaffistofan Mar 20, 2024 05:16 am (Reykjavik time) (11 km W)
1.0 quake Iceland: 2.9 km NNW of Hellisheiðarvirkjun Mar 20, 2024 03:09 pm (Reykjavik time) (11 km W)
0.6 quake Iceland: 1.5 km NNW of Hellisheiðarvirkjun Mar 20, 2024 10:56 am (Reykjavik time) (10 km WSW)
All earthquakes at Hrómundartindur

Karadağ volcano (Turkey): 2 earthquakes up to magnitude 2.9

2 earthquakes occurred near (under) the volcano during 38 minutes, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 7.4 and 5.0 km.
Earthquake details:
2.9 quake Turkey, 26 km north of Karaman, Karaman, Mar 20, 2024 10:17 am (Istanbul time) (3 km ENE)
1.9 quake Turkey, 25 km north of Karaman, Karaman, Mar 20, 2024 09:39 am (Istanbul time) (9 km E)
All earthquakes at Karadağ

Tjörnes Fracture Zone volcano (Iceland): 3 earthquakes up to magnitude 2.1

3 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 10.2 and 8.2 km.
Earthquake details:
2.1 quake Iceland: 18.5 km WSW of Kópasker Mar 20, 2024 06:32 pm (Reykjavik time) (12 km ESE)
1.3 quake 13.6 km WSW of Kópasker Mar 20, 2024 06:54 am (universal time) (18 km ESE)
0.7 quake 18.8 km NNE of Húsavík Mar 20, 2024 12:47 pm (universal time) (12 km SSW)
All earthquakes at Tjörnes Fracture Zone

Vulcano volcano (Eolian Islands): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.6 km depth at 19 km distance SSE from the volcano.
Earthquake details:
2.1 quake Tyrrhenian Sea, Italy, 18 km southeast of Vulcano Island, Sicily, Mar 20, 2024 04:22 am (Rome time) (19 km SSE)
All earthquakes at Vulcano
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/237043/Volcano-earthquake-report-for-Wednesday-20-Mar-2024.html