Volcano earthquake report for Sunday, 18 Sep 2022
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 18 Sep 2022 Number in brackets indicate nr of quakes.

Quakes detected near: Apoyeque (1 quake mag 3.1), Clear Lake (22 quakes between mag 0.2-1.4), Coso (1 quake mag 2.9), Cuernos de Negros (1 quake mag 1.9), Douglas (1 quake mag 1.5), Eldey (1 quake mag 1.3)
Etna (1 quake mag 1.6), Herdubreid (5 quakes between mag 0.2-1.3), Hrómundartindur (6 quakes between mag 0.2-2.1), Irazu (1 quake mag 2.8), Katla (5 quakes between mag 0.6-1.6), Kilauea (1 quake mag 1.9), La Palma (4 quakes between mag 1.2-1.6), Las Pilas (2 quakes between mag 1.6-2.0), Marapi (1 quake mag 2.8), Mauna Kea (1 quake mag 2.3), Maunaloa (2 quakes between mag 1.7-2.1), Mount Rainier (5 quakes between mag 0.4-1.2), Paco (1 quake mag 2.5), Reykjanes (2 quakes between mag 0.7-1.3), Ruapehu (2 quakes between mag 0.6-1.0), Santa Clara (1 quake mag 3.0), Santorini (1 quake mag 3.0), São Jorge (3 quakes between mag 1.9-2.4), Tandikat (1 quake mag 3.5), Taupo (1 quake mag 1.1), Telica (6 quakes between mag 1.2-2.2), Tjörnes Fracture Zone (6 quakes between mag 0.8-1.3), Vesuvius (1 quake mag 1.5) (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:



Apoyeque volcano (Nicaragua): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 18 km distance W from the volcano.
Earthquake details:
3.1 quake 30 km west of Managua, Nicaragua, Sep 17, 2022 10:30 pm (GMT -6) (18 km W)All earthquakes at Apoyeque

Clear Lake volcano (California): 22 earthquakes up to magnitude 1.4

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 25 minutes ago. Hypocenter depths ranged between 4.1 and 0.0 km.
Earthquake details: (only 5 largest)
1.4 quake Northern California Sep 18, 2022 2:05 am (GMT -7) (17 km S)1.4 quake 6km NW of The Geysers, CA, Sep 18, 2022 2:05 am (GMT -7) (17 km S)1.4 quake 6km NW of The Geysers, CA, Sep 18, 2022 2:05 am (GMT -7) (17 km S)1.2 quake 6km NW of The Geysers, CA, Sep 18, 2022 4:56 am (GMT -7) (18 km SSW)0.9 quake 8km WNW of Cobb, CA, Sep 17, 2022 5:03 pm (GMT -7) (15 km SSW)All earthquakes at Clear Lake

Coso volcano (California): magnitude 2.9 earthquake

A magnitude 2.9 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.2 km depth at 17 km distance WSW from the volcano.
Earthquake details:
2.9 quake 29 mi northwest of Ridgecrest, Kern County, California, USA, Sep 17, 2022 6:03 pm (GMT -7) (17 km WSW)All earthquakes at Coso

Hrómundartindur volcano (Iceland): 6 earthquakes up to magnitude 2.1

6 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 51 minutes ago. Hypocenter depths ranged between 9.0 and 6.4 km.
Earthquake details: (only 5 largest)
2.1 quake Iceland: 1.7 Km W of Raufarhólshellir Sep 18, 2022 8:11 am (GMT +0) (18 km SW)1.5 quake Iceland: 4.6 Km SE of Skálafell Sep 18, 2022 9:08 pm (GMT +0) (13 km SSW)1.0 quake Iceland: 1.3 Km W of Raufarhólshellir Sep 18, 2022 10:23 pm (GMT +0) (19 km SW)0.6 quake Iceland: 1.0 Km WNW of Raufarhólshellir Sep 18, 2022 9:23 am (GMT +0) (18 km SW)0.5 quake Iceland: 0.1 Km S of Raufarhólshellir Sep 18, 2022 9:16 am (GMT +0) (18 km SSW)All earthquakes at Hrómundartindur

Irazu volcano (Costa Rica): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.0 km depth at 8 km distance ESE from the volcano.
Earthquake details:
2.8 quake 18 km northeast of Cartago, Costa Rica, Sep 18, 2022 3:20 am (GMT -6) (8 km ESE)All earthquakes at Irazu

Marapi volcano (Sumatra): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 13.0 km depth at 14 km distance NW from the volcano.
Earthquake details:
2.8 quake 1 km north of Bukittinggi, Sumatra Barat, Indonesia, Sep 18, 2022 2:58 pm (GMT +7) (14 km NW)All earthquakes at Marapi

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

A magnitude 2.3 earthquake occurred at the volcano 1 hour 10 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 13.0 km depth at 19 km distance NE from the volcano.
Earthquake details:
2.3 quake 9 Km S of Pa‘auilo, Hawaii, Sep 18, 2022 12:40 pm (GMT -10) (19 km NE)All earthquakes at Mauna Kea

Maunaloa volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 1 hour 36 minutes, the last being recorded quake 19 hours ago. Hypocenter depths ranged between 0.7 and 0.6 km.
Earthquake details:
2.1 quake 25 Km E of Honaunau-Napoopoo, Hawaii, Sep 17, 2022 5:22 pm (GMT -10) (3 km SSW)1.7 quake 26 Km E of Honaunau-Napoopoo, Hawaii, Sep 17, 2022 6:58 pm (GMT -10) (5 km S)All earthquakes at Maunaloa

Paco volcano (Mindanao): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 33.0 km depth at 18 km distance SE from the volcano.
Earthquake details:
2.5 quake 39 km south of Surigao City, Province of Surigao del Norte, Caraga, Philippines, Sep 18, 2022 4:42 pm (GMT +8) (18 km SE)All earthquakes at Paco

Santa Clara volcano (Utah): 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 10.0 km depth at 18 km distance SSE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 1.2 mi east of St. George, Washington County, Utah, USA, Sep 18, 2022 2:57 pm (GMT -6) (18 km SSE)All earthquakes at Santa Clara

Santorini volcano (Greece): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 3 km distance ENE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 0.9 km south of Thera, Nomos Kykladon, South Aegean, Greece, Sep 18, 2022 7:00 am (GMT +3) (3 km ENE)All earthquakes at Santorini

São Jorge volcano (Azores): 3 earthquakes up to magnitude 2.4

3 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 9.0 and 9.0 km.
Earthquake details:
2.4 quake North Atlantic Ocean, 1.4 km southeast of Velas, Azores, Portugal, Sep 18, 2022 1:06 pm (GMT +0) (8 km W)2.4 quake São Jorge, 0.7 km north of Velas, Azores, Portugal, Sep 18, 2022 8:48 am (GMT +0) (9 km WNW)1.9 quake São Jorge, 0.9 km east of Velas, Azores, Portugal, Sep 18, 2022 1:43 am (GMT +0) (9 km WNW)All earthquakes at São Jorge

Tandikat volcano (Sumatra): magnitude 3.5 earthquake

A magnitude 3.5 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 15 km distance N from the volcano.
Earthquake details:
3.5 quake 3.5 km west of Bukittinggi, Sumatra Barat, Indonesia, Sep 18, 2022 1:46 pm (GMT +7) (15 km N)All earthquakes at Tandikat

Telica volcano (Nicaragua): 6 earthquakes up to magnitude 2.2

6 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 8.0 and 4.0 km.
Earthquake details: (only 5 largest)
2.2 quake Departamento de Leon, 24 km northeast of Chichigalpa, Chinandega, Nicaragua, Sep 18, 2022 3:03 am (GMT -6) (12 km N)1.9 quake Departamento de Leon, 24 km northeast of Chichigalpa, Chinandega, Nicaragua, Sep 17, 2022 6:38 pm (GMT -6) (12 km N)1.6 quake Departamento de Leon, 24 km northeast of Chichigalpa, Chinandega, Nicaragua, Sep 18, 2022 8:43 am (GMT -6) (12 km N)1.3 quake 11 Km Al Norte De Volcán Telica, Nicaragua, Sep 18, 2022 3:27 am (GMT -6) (11 km N)1.3 quake 12 Km Al Norte De Volcán Telica, Nicaragua, Sep 18, 2022 2:44 am (GMT -6) (12 km N)All earthquakes at Telica
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