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Volcano earthquake report for Tuesday, 27 Apr 2021

Tue, 27 Apr 2021, 23:50 | BY: EARTHQUAKEMONITOR
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 27 Apr 2021 Number in brackets indicate nr of quakes.
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 27 Apr 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Akyarlar (1 quake mag 1.5), Apaneca Range (1 quake mag 2.2), Campi Flegrei (Phlegrean Fields) (6 quakes between mag 0.1-3.0), Canlaon (1 quake mag 1.8), Clear Lake (15 quakes between mag 0.4-2.1), Coso (3 quakes between mag 0.5-1.2)
Fagradalsfjall (12 quakes between mag 0.1-1.9), Fourpeaked (1 quake mag 1.7), Huambo (1 quake mag 3.6), Ischia (1 quake mag 3.0), Krísuvík (30 quakes between mag 0.1-3.2), Las Lajas (1 quake mag 3.2), Maunaloa (1 quake mag 1.5), Nisyros (30 quakes between mag 1.2-3.6), Oshima (2 quakes between mag 2.6-2.7), Penguin Island (1 quake mag 3.8), San Salvador (1 quake mag 1.9), Soda Lakes (1 quake mag 1.5), Sousaki (1 quake mag 1.6), Tjörnes Fracture Zone (2 quakes between mag 0.7-1.0), Turrialba (1 quake mag 2.2), Wrangell (1 quake mag 1.5) (updated 23h50)

Note: Earthquakes within 20 km from and at depths less than 20 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): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.0 km depth at 10 km distance ENE from the volcano.
Earthquake details:
2.2 quake Departamento de Ahuachapan, 17 km southwest of Santa Ana, El Salvador, 2021-04-26 19:21:37 (10 km ENE)
All earthquakes at Apaneca Range

Campi Flegrei (Phlegrean Fields) volcano (Italy): 6 earthquakes up to magnitude 3.0

6 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 10.0 and 0.6 km.
Earthquake details: (only 5 largest)
Unconfirmed quake reported: 11 km west of nepalasa, Naples, Campania, Italy, 27 April 2021 14:21 GMT (0 km SE)
Unconfirmed quake reported: 16 km west of nepalasa, Naples, Campania, Italy, 27 April 2021 03:30 GMT (5 km WNW)
0.6 quake Campi Flegrei Area, Italy, 27 April 2021 17:18 GMT (1 km SSE)
0.2 quake Campi Flegrei Area, Italy, 27 April 2021 17:17 GMT (1 km SSE)
0.1 quake Campi Flegrei Area, Italy, 27 April 2021 18:21 GMT (0 km ENE)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 15 earthquakes up to magnitude 2.1

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 24 hours, the last being recorded quake 17 minutes ago. Hypocenter depths ranged between 3.3 and 0.4 km.
Earthquake details: (only 5 largest)
2.1 quake 5km NNW of The Geysers, CA, USA, 27 April 2021 14:04 GMT (17 km S)
1.4 quake 2km SW of Cobb, CA, USA, 27 April 2021 01:16 GMT (18 km S)
1.2 quake 7km NW of The Geysers, CA, USA, 27 April 2021 23:32 GMT (17 km SSW)
1.2 quake 8km NW of The Geysers, CA, USA, 26 April 2021 23:58 GMT (16 km SSW)
1.1 quake 7km W of Cobb, CA, USA, 27 April 2021 21:37 GMT (16 km S)
All earthquakes at Clear Lake

Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 12 earthquakes up to magnitude 1.9

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 7.9 and 1.0 km.
Earthquake details: (only 5 largest)
1.9 quake 4.9 Km NNE of Grindavík, Iceland, 27 April 2021 01:37 GMT (6 km WSW)
1.5 quake 3.5 Km S of Fagradalsfjall, Iceland, 27 April 2021 15:23 GMT (2 km S)
0.9 quake 4.6 Km NNE of Grindavík, Iceland, 27 April 2021 14:02 GMT (6 km WSW)
0.6 quake 3.1 Km S of Fagradalsfjall, Iceland, 27 April 2021 15:23 GMT (2 km S)
0.6 quake 5.0 Km NNE of Grindavík, Iceland, 27 April 2021 01:37 GMT (6 km WSW)
All earthquakes at Fagradalsfjall

Huambo volcano (Peru): magnitude 3.6 earthquake

A magnitude 3.6 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.0 km depth at 12 km distance NE from the volcano.
Earthquake details:
3.6 quake Provincia de Caylloma, 91 km northwest of Arequipa, Peru, 27 April 2021 14:35 GMT (12 km NE)
All earthquakes at Huambo

Ischia volcano (Italy): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 11 km distance ENE from the volcano.
Earthquake details:
Unconfirmed quake reported: 24 km southwest of nepalasa, Naples, Campania, Italy, 27 April 2021 04:42 GMT (11 km ENE)
All earthquakes at Ischia

Krísuvík volcano (Reykjanes Peninsula, Iceland): 30 earthquakes up to magnitude 3.2

Possible earthquake swarm: 30 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 7.4 and 0.0 km.
Earthquake details: (only 5 largest)
3.2 quake 1.3 Km SW of Keilir, Iceland, 27 April 2021 04:57 GMT (4 km W)
2.8 quake 1.4 Km SW of Keilir, Iceland, 27 April 2021 04:52 GMT (4 km W)
1.8 quake 1.8 Km SW of Keilir, Iceland, 27 April 2021 06:15 GMT (5 km W)
1.7 quake 2.2 Km SSW of Keilir, Iceland, 27 April 2021 02:25 GMT (5 km W)
1.5 quake 5.9 Km NNE of Krýsuvík, Iceland, 27 April 2021 04:32 GMT (3 km ENE)
All earthquakes at Krísuvík

Las Lajas volcano (Nicaragua): magnitude 3.2 earthquake

A magnitude 3.2 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 18.0 km depth at 12 km distance N from the volcano.
Earthquake details:
3.2 quake 12 km southwest of Boaco, Nicaragua, 2021-04-27 15:25:14 (12 km N)
All earthquakes at Las Lajas

Nisyros volcano (Greece): 30 earthquakes up to magnitude 3.6

Possible earthquake swarm: 30 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 21 minutes ago. Hypocenter depths ranged between 18.5 and 3.4 km.
Earthquake details: (only 5 largest)
3.6 quake Aegean Sea, 52 km south of Kos Town, Dodecanese, South Aegean, Greece, 27 April 2021 01:40 GMT (16 km S)
3.2 quake Aegean Sea, 47 km south of Kos Town, Dodecanese, South Aegean, Greece, 27 April 2021 03:43 GMT (14 km S)
3.1 quake Aegean Sea, 53 km south of Kos Town, Dodecanese, South Aegean, Greece, 27 April 2021 12:39 GMT (17 km S)
3.0 quake Aegean Sea, 41 km south of Kos Town, Dodecanese, South Aegean, Greece, 27 April 2021 22:27 GMT (8 km SE)
2.9 quake Aegean Sea, 46 km south of Kos Town, Dodecanese, South Aegean, Greece, 27 April 2021 06:23 GMT (18 km SSE)
All earthquakes at Nisyros

Oshima volcano (Izu Islands): 2 earthquakes up to magnitude 2.7

2 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 6.5 and 6.4 km.
Earthquake details:
2.7 quake North Pacific Ocean, 24 km southeast of Itō, Shizuoka, Japan, Apr 27, 2021 15:30:17.56 (17 km WNW)
2.6 quake North Pacific Ocean, 24 km southeast of Itō, Shizuoka, Japan, Apr 27, 2021 10:24:18.25 (17 km WNW)
All earthquakes at Oshima

Penguin Island volcano (Antarctica): magnitude 3.8 earthquake

A magnitude 3.8 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 18 km distance SW from the volcano.
Earthquake details:
3.8 quake South Atlantic Ocean, Antarctica, 27 April 2021 06:59 GMT (18 km SW)
All earthquakes at Penguin Island

Turrialba volcano (Costa Rica): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 8 km distance ESE from the volcano.
Earthquake details:
2.2 quake 10.6 km north of Turrialba, Provincia de Cartago, Costa Rica, 26 de abril del 2021 7:49 pm (8 km ESE)
All earthquakes at Turrialba

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