Volcano earthquake report for Tuesday, 3 Sep 2024
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 3 Sep 2024 Number in brackets indicate nr of quakes.

Quakes detected near: Apaneca Range (2 quakes between mag 2.0-2.2), Apoyeque (1 quake mag 1.6), Arenal (1 quake mag 3.2), Bardarbunga (5 quakes between mag 0.2-1.6), Brennisteinsfjöll (4 quakes between mag 0.7-1.0), Clear Lake (23 quakes between mag 0.3-1.8)
Coso (4 quakes between mag 1.0-1.9), Etna (4 quakes between mag 1.0-3.0), Fagradalsfjall (3 quakes between mag 0.6-1.1), Hrómundartindur (1 quake mag 1.9), Kilauea (16 quakes between mag 1.8-2.6), Koruhüyüğü (1 quake mag 1.8), Loki-Fögrufjöll volcano (4 quakes between mag 0.8-2.0), Maunaloa (1 quake mag 1.8), Salton Buttes (2 quakes between mag 0.9-1.1), Tambora (1 quake mag 2.3), Terceira (3 quakes between mag 1.7-2.5), Thordarhyrna (2 quakes between mag 1.0-1.2), Tjörnes Fracture Zone (2 quakes between mag 0.6-1.3), Vulcano (1 quake mag 1.1) (updated 01h50)

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:



Apaneca Range volcano (El Salvador): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 36 minutes, the last being recorded quake 28 minutes ago. Hypocenter depths ranged between 27.0 and 6.0 km.
Earthquake details:
2.2 quake 6.9 km southeast of Ahuachapan, Ahuachapan, El Salvador, Sep 2, 2024 07:22 pm (El Salvador time) (3 km SW)
2.0 quake Ahuachapan, 27 km west of Santa Ana, Santa Ana, El Salvador, Sep 2, 2024 06:46 pm (El Salvador time) (9 km NNW)
All earthquakes at Apaneca Range

Arenal volcano (Costa Rica): magnitude 3.2 earthquake

A magnitude 3.2 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.0 km depth at 1 km distance WNW from the volcano.
Earthquake details:
3.2 quake 35 km northwest of Ciudad Quesada, Alajuela, Costa Rica, Sep 2, 2024 04:39 pm (Costa Rica time) (1 km WNW)
All earthquakes at Arenal

Clear Lake volcano (California): 23 earthquakes up to magnitude 1.8

Possible earthquake swarm: 23 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 15 minutes ago. Hypocenter depths ranged between 23.7 and 0.2 km.
Earthquake details: (only 5 largest)
1.8 quake Sonoma County, 15 mi southwest of Clearlake, Lake County, California, United States, Sep 2, 2024 03:49 am (Los Angeles time) (17 km SSW)
1.8 quake 7 km NNW of The Geysers, CA, Sep 1, 2024 10:04 pm (Los Angeles time) (17 km SSW)
1.5 quake 7 km NNW of The Geysers, CA, Sep 2, 2024 03:09 pm (Los Angeles time) (16 km SSW)
1.5 quake 9 km WNW of Cobb, CA, Sep 2, 2024 03:10 am (Los Angeles time) (15 km SSW)
1.3 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Sep 1, 2024 09:55 pm (Los Angeles time) (16 km SSW)
All earthquakes at Clear Lake

Etna volcano (Italy): 4 earthquakes up to magnitude 3.0

4 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 27.5 and 4.0 km.
Earthquake details:
Reported seismic-like event (likely no quake): 30 km north of Catania, Catania, Sicily, Italy, Sep 3, 2024 01:30 am (GMT +2) (0 km SW)
1.0 quake 4.6 km west of Bronte, Catania, Sicily, Italy, Sep 3, 2024 01:29 am (Rome time) (19 km WNW)
1.0 quake Messina, 47 km north of Catania, Catania, Sicily, Italy, Sep 2, 2024 10:21 pm (Rome time) (19 km N)
1.0 quake 11 km west of Giarre, Catania, Sicily, Italy, Sep 2, 2024 07:26 pm (Rome time) (6 km ESE)
All earthquakes at Etna

Kilauea volcano (Hawai'i (Big Island)): 16 earthquakes up to magnitude 2.6

Possible earthquake swarm: 16 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 34 minutes ago. Hypocenter depths ranged between 2.6 and 0.1 km.
Earthquake details: (only 5 largest)
2.6 quake 10 km S of Fern Forest, Hawaii, Sep 2, 2024 08:55 am (Honolulu time) (16 km ESE)
2.3 quake 25 mi south of Hilo, Hawaii County, Hawaii, United States, Sep 2, 2024 07:29 am (Honolulu time) (15 km ESE)
2.2 quake 5 km SSW of Volcano, Hawaii, Sep 2, 2024 12:53 pm (Honolulu time) (4 km ESE)
2.2 quake 26 mi southwest of Hilo, Hawaii County, Hawaii, United States, Sep 2, 2024 01:20 am (Honolulu time) (4 km ESE)
2.2 quake 5 km SSW of Volcano, Hawaii, Sep 1, 2024 11:10 pm (Honolulu time) (4 km ESE)
All earthquakes at Kilauea

Tambora volcano (Sumbawa): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 16.0 km depth at 18 km distance WNW from the volcano.
Earthquake details:
2.3 quake Bima Regency, 58 km northeast of Sumbawa Besar, Indonesia, Sep 3, 2024 01:18 am (Makassar time) (18 km WNW)
All earthquakes at Tambora

Terceira volcano (Azores): 3 earthquakes up to magnitude 2.5

3 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 1 hour 17 minutes ago. Hypocenter depths ranged between 5.2 and 0.0 km.
Earthquake details:
2.5 quake 10.7 km northwest of Angra do Heroismo, Azores, Portugal, Sep 2, 2024 11:33 pm (Azores time) (4 km E)
1.7 quake 11 km northwest of Angra do Heroismo, Azores, Portugal, Sep 2, 2024 03:08 pm (Azores time) (2 km SE)
1.7 quake 13 km northwest of Angra do Heroismo, Azores, Portugal, Sep 2, 2024 06:11 am (Azores time) (0 km SSE)
All earthquakes at Terceira
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/251409/Volcano-earthquake-report-for-Tuesday-3-Sep-2024.html