Volcano earthquake report for Thursday, 19 Oct 2023
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 19 Oct 2023 Number in brackets indicate nr of quakes.

Quakes detected near: Brennisteinsfjöll (2 quakes between mag 0.3-1.0), Campi Flegrei (Phlegrean Fields) (14 quakes between mag 0.2-2.2), Clear Lake (20 quakes between mag 0.3-1.6), Coso (1 quake mag 1.6), Edgecumbe (3 quakes between mag 0.5-1.0), El Misti (2 quakes between mag 3.0-3.0)
Etna (2 quakes between mag 1.5-2.1), Ililabalekan (1 quake mag 2.7), Kilauea (1 quake mag 2.2), Krafla (1 quake mag 1.0), Krísuvík (2 quakes between mag 0.8-1.0), Leonard Range (1 quake mag 1.6), Mageik (2 quakes between mag 0.5-2.4), Maunaloa (1 quake mag 2.1), Mayotte Island (1 quake mag 1.0), Ngauruhoe (1 quake mag 1.9), Nisyros (1 quake mag 2.6), Novarupta (1 quake mag 1.4), Paco (1 quake mag 1.9), Rincón de la Vieja (1 quake mag 3.0), Roundtop (2 quakes between mag 1.6-2.1), Salton Buttes (2 quakes between mag 1.2-1.8), San Salvador (1 quake mag 1.9), Semisopochnoi (1 quake mag 1.5), Sousaki (2 quakes between mag 1.6-2.0), Taal (1 quake mag 1.6), Tanaga (2 quakes between mag 1.2-1.4), Tenorio (1 quake mag 2.1), Theistareykjarbunga (1 quake mag 1.5), Vatnafjöll (1 quake mag 1.4), Vulcano (1 quake mag 1.7) (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:



Campi Flegrei (Phlegrean Fields) volcano (Italy): 14 earthquakes up to magnitude 2.2

Possible earthquake swarm: 14 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 2.7 and 0.3 km.
Earthquake details: (only 5 largest)
2.2 quake 10.9 km west of Naples, Neapel, Campania, Italy, Oct 19, 2023 6:02 am (GMT +2) (0 km ENE)
2.2 quake 10.8 km west of Naples, Neapel, Campania, Italy, Oct 19, 2023 6:00 am (GMT +2) (0 km E)
2.0 quake 4.6 km west of Fuorigrotta, Neapel, Campania, Italy, Oct 19, 2023 6:00 am (GMT +2) (1 km E)
1.2 quake Italy: Campi Flegrei Oct 19, 2023 3:11 am (GMT +2) (2 km W)
1.1 quake Italy: Campi Flegrei Oct 19, 2023 6:01 am (GMT +2) (0 km ESE)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 20 earthquakes up to magnitude 1.6

Possible earthquake swarm: 20 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 25 minutes ago. Hypocenter depths ranged between 2.7 and 0.9 km.
Earthquake details: (only 5 largest)
1.6 quake 6 Km WNW of The Geysers, CA, Oct 19, 2023 8:02 am (GMT -7) (18 km SSW)
1.5 quake 4 Km W of Cobb, CA, Oct 19, 2023 5:58 am (GMT -7) (17 km S)
1.4 quake 13 Km ENE of Cloverdale, CA, Oct 18, 2023 8:03 pm (GMT -7) (17 km SSW)
1.3 quake 8 Km NW of The Geysers, CA, Oct 19, 2023 5:37 am (GMT -7) (16 km SSW)
1.2 quake 10 Km WNW of The Geysers, CA, Oct 18, 2023 7:12 pm (GMT -7) (17 km SSW)
All earthquakes at Clear Lake

El Misti volcano (Peru): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 36 minutes, the last being recorded quake 13 hours ago. Hypocenter depths ranged between 10.0 and 10.0 km.
Earthquake details:
Reported seismic-like event (likely no quake): 2.4 km northeast of Arequipa, Peru, Oct 19, 2023 6:04 am (GMT -5) (15 km SW)
Reported seismic-like event (likely no quake): 9.6 km northeast of Arequipa, Peru, Oct 19, 2023 5:27 am (GMT -5) (10 km WSW)
All earthquakes at El Misti

Etna volcano (Italy): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 8.1 and 3.9 km.
Earthquake details:
2.1 quake 2.5 km south of Adrano, Catania, Sicily, Italy, Oct 19, 2023 7:30 pm (GMT +2) (18 km SW)
1.5 quake Italy: 6 Km W Zafferana Etnea (CT) Oct 19, 2023 10:49 pm (GMT +2) (9 km SSE)
All earthquakes at Etna

Ililabalekan volcano (Lesser Sunda Islands): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 2 km distance W from the volcano.
Earthquake details:
2.7 quake East Nusa Tenggara, Indonesia, Oct 20, 2023 12:41 am (GMT +8) (2 km W)
All earthquakes at Ililabalekan

Kilauea volcano (Hawai'i (Big Island)): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 1.5 km depth at 5 km distance ESE from the volcano.
Earthquake details:
2.2 quake 3.9 mi south of Volcano Village, Hawaii County, USA, Oct 19, 2023 5:36 am (GMT -10) (5 km ESE)
All earthquakes at Kilauea

Mageik volcano (Alaska Peninsula): 2 earthquakes up to magnitude 2.4

2 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 2.3 and 0.0 km.
Earthquake details:
2.4 quake 61 mi southeast of King Salmon, Bristol Bay, Alaska, USA, Oct 19, 2023 2:29 am (GMT -8) (2 km SW)
0.5 quake Alaska Peninsula Oct 19, 2023 8:01 am (GMT -8) (2 km W)
All earthquakes at Mageik

Maunaloa volcano (Hawai'i (Big Island)): 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 7.6 km depth at 9 km distance W from the volcano.
Earthquake details:
2.1 quake 11 mi east of Honaunau-Napoopoo, Hawaii County, USA, Oct 19, 2023 9:48 am (GMT -10) (9 km W)
All earthquakes at Maunaloa

Nisyros volcano (Greece): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 15.3 km depth at 17 km distance S from the volcano.
Earthquake details:
2.6 quake Aegean Sea, 53 km south of Kos, Dodecanese, South Aegean, Greece, Oct 19, 2023 3:19 am (GMT +3) (17 km S)
All earthquakes at Nisyros

Rincón de la Vieja volcano (Costa Rica): magnitude 3.0 earthquake

A magnitude 3.0 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 6 km distance S from the volcano.
Earthquake details:
3.0 quake 20 km northeast of Liberia, Provincia de Guanacaste, Costa Rica, Oct 19, 2023 2:27 pm (GMT -6) (6 km S)
All earthquakes at Rincón de la Vieja

Roundtop volcano (Aleutian Islands): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 52 minutes, the last being recorded quake 19 hours ago. Hypocenter depths ranged between 4.2 and 1.8 km.
Earthquake details:
2.1 quake 7.9 mi southwest of False Pass, Aleutians East, Alaska, USA, Oct 18, 2023 8:20 pm (GMT -8) (4 km SE)
1.6 quake Unimak Island Region, Alaska, Oct 18, 2023 7:27 pm (GMT -8) (4 km SE)
All earthquakes at Roundtop

Tenorio volcano (Costa Rica): 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 3.0 km depth at 8 km distance SE from the volcano.
Earthquake details:
2.1 quake Provincia de Alajuela, 25 km northeast of Canas, Costa Rica, Oct 19, 2023 8:24 am (GMT -6) (8 km SE)
All earthquakes at Tenorio
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/223781/Volcano-earthquake-report-for-Thursday-19-Oct-2023.html