Volcano earthquake report for Wednesday, 14 Apr 2021

Wed, 14 Apr 2021, 23:50
23:50 PM | BY: EARTHQUAKEMONITOR
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 14 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 14 Apr 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Askja (2 quakes between mag 0.6-1.4), Barva (1 quake mag 2.5), Brennisteinsfjöll (11 quakes between mag 0.4-1.5), Cabalian (1 quake mag 2.4), Clear Lake (18 quakes between mag 0.2-1.4), Coso (10 quakes between mag 0.9-2.2)
Eldey (1 quake mag 1.0), Etna (1 quake mag 1.0), Fagradalsfjall (19 quakes between mag 0.1-1.6), Herdubreid (11 quakes between mag 0.3-1.6), Hrómundartindur (2 quakes between mag 0.1-1.1), Katla (3 quakes between mag 0.3-2.2), Kilauea (1 quake mag 1.5), Krísuvík (18 quakes between mag 0.2-1.4), Kueishantao (1 quake mag 4.4), Kverkfjöll (2 quakes between mag 0.5-1.0), Lassen (1 quake mag 1.1), Mauna Loa (5 quakes between mag 0.9-1.4), Nisyros (85 quakes between mag 1.1-3.8), Olot Field (1 quake mag 1.2), Reykjanes (5 quakes between mag 0.1-1.0), Ruapehu (1 quake mag 1.1), Santorini (1 quake mag 2.7), Tenorio (1 quake mag 2.6), Thordarhyrna (2 quakes between mag 0.8-1.3), Tjörnes Fracture Zone (3 quakes between mag 0.3-1.0), Toba (2 quakes between mag 2.2-2.5), Unzen (1 quake mag 2.8), White Island (1 quake mag 2.6) (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:




Barva volcano (Costa Rica): magnitude 2.5 earthquake

A magnitude 2.5 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 15 km distance E from the volcano.
Earthquake details:
2.5 quake Vazquez de Coronado, 26 km northeast of San Jose, Costa Rica, 13 de abril del 2021 11:11 pm (15 km E)
All earthquakes at Barva

Brennisteinsfjöll volcano (Reykjanes Peninsula, Iceland): 11 earthquakes up to magnitude 1.5

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 9.3 and 1.1 km.
Earthquake details: (only 5 largest)
1.5 quake 4.2 Km E of Bláfjallaskáli, Iceland, 14 April 2021 10:47 GMT (15 km ENE)
1.1 quake 4.5 Km ESE of Bláfjallaskáli, Iceland, 14 April 2021 14:01 GMT (14 km ENE)
0.9 quake 4.9 Km ESE of Bláfjallaskáli, Iceland, 14 April 2021 11:30 GMT (15 km ENE)
0.9 quake 4.4 Km ESE of Bláfjallaskáli, Iceland, 14 April 2021 11:18 GMT (14 km ENE)
0.8 quake 5.6 Km SW of Bláfjallaskáli, Iceland, 14 April 2021 19:32 GMT (6 km NE)
All earthquakes at Brennisteinsfjöll

Cabalian volcano (Central Philippines): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 1.0 km depth at 13 km distance NW from the volcano.
Earthquake details:
2.4 quake 17 km east of Sogod, Southern Leyte, Eastern Visayas, Philippines, 15 April 2021 - 01:22 AM (PST) (13 km NW)
All earthquakes at Cabalian

Clear Lake volcano (California): 18 earthquakes up to magnitude 1.4

Possible earthquake swarm: 18 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 25 minutes ago. Hypocenter depths ranged between 3.1 and 1.4 km.
Earthquake details: (only 5 largest)
1.4 quake 8km NW of The Geysers, CA, USA, 14 April 2021 01:51 GMT (16 km SSW)
1.4 quake 4km W of Cobb, CA, USA, 14 April 2021 17:40 GMT (17 km S)
1.2 quake 6km NW of The Geysers, CA, USA, 14 April 2021 10:28 GMT (17 km S)
1.2 quake 2km SW of Cobb, CA, USA, 14 April 2021 16:48 GMT (18 km S)
1.1 quake 6km WNW of Cobb, CA, USA, 14 April 2021 14:16 GMT (15 km S)
All earthquakes at Clear Lake

Coso volcano (California): 10 earthquakes up to magnitude 2.2

10 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 9.9 and 2.2 km.
Earthquake details: (only 5 largest)
2.2 quake 19km E of Little Lake, CA, USA, 14 April 2021 12:08 GMT (13 km SE)
1.6 quake 27km E of Coso Junction, CA, USA, 14 April 2021 19:58 GMT (17 km ENE)
1.6 quake 19km E of Little Lake, CA, USA, 14 April 2021 12:08 GMT (14 km SE)
1.5 quake 16km E of Little Lake, CA, USA, 14 April 2021 17:21 GMT (15 km SSE)
1.2 quake 16km SE of Olancha, CA, USA, 14 April 2021 19:47 GMT (18 km NNW)
All earthquakes at Coso

Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 19 earthquakes up to magnitude 1.6

Possible earthquake swarm: 19 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 11 minutes ago. Hypocenter depths ranged between 6.3 and 0.5 km.
Earthquake details: (only 5 largest)
1.6 quake 2.1 Km NE of Fagradalsfjall, Iceland, 14 April 2021 23:38 GMT (3 km NNE)
1.4 quake 3.8 Km S of Fagradalsfjall, Iceland, 14 April 2021 03:44 GMT (3 km SSW)
1.1 quake 2.4 Km NE of Fagradalsfjall, Iceland, 14 April 2021 01:17 GMT (3 km NE)
1.1 quake 3.5 Km S of Fagradalsfjall, Iceland, 14 April 2021 02:16 GMT (3 km SSW)
0.6 quake 1.7 Km ENE of Fagradalsfjall, Iceland, 14 April 2021 23:38 GMT (2 km NE)
All earthquakes at Fagradalsfjall

Herdubreid volcano (Iceland): 11 earthquakes up to magnitude 1.6

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 10.5 and 2.4 km.
Earthquake details: (only 5 largest)
1.6 quake 1.8 Km N of Herðubreið, Iceland, 14 April 2021 14:08 GMT (1 km N)
1.4 quake 1.7 Km N of Herðubreið, Iceland, 14 April 2021 05:14 GMT (1 km N)
1.1 quake 1.6 Km N of Herðubreið, Iceland, 14 April 2021 11:14 GMT (1 km N)
0.9 quake 2.1 Km NNE of Herðubreið, Iceland, 14 April 2021 14:08 GMT (2 km NNE)
0.7 quake 1.7 Km N of Herðubreið, Iceland, 14 April 2021 07:56 GMT (1 km NNE)
All earthquakes at Herdubreid

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

3 earthquakes occurred near (under) the volcano during 29 minutes, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 0.6 and 0.1 km.
Earthquake details:
2.2 quake 8.0 Km N of Hábunga, Iceland, 14 April 2021 16:06 GMT (3 km NW)
0.6 quake 6.8 Km N of Hábunga, Iceland, 14 April 2021 16:06 GMT (2 km NW)
0.3 quake 2.4 Km ESE of Goðabunga, Iceland, 14 April 2021 16:35 GMT (7 km W)
All earthquakes at Katla

Krísuvík volcano (Reykjanes Peninsula, Iceland): 18 earthquakes up to magnitude 1.4

Possible earthquake swarm: 18 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 6.3 and 1.3 km.
Earthquake details: (only 5 largest)
1.4 quake 2.1 Km SSW of Keilir, Iceland, 14 April 2021 15:57 GMT (4 km WSW)
1.3 quake 2.2 Km SSW of Keilir, Iceland, 14 April 2021 10:50 GMT (4 km W)
0.8 quake 2.1 Km SSW of Keilir, Iceland, 14 April 2021 10:54 GMT (4 km W)
0.8 quake 1.8 Km SSW of Keilir, Iceland, 14 April 2021 08:21 GMT (4 km W)
0.8 quake 7.0 Km NE of Krýsuvík, Iceland, 13 April 2021 23:59 GMT (6 km E)
All earthquakes at Krísuvík

Kueishantao volcano (Taiwan): magnitude 4.4 earthquake

A magnitude 4.4 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 12 km distance SE from the volcano.
Earthquake details:
4.4 quake Philippines Sea, 27 km east of Yilan, Taiwan, 15 Apr 2:09 am (GMT +8) (12 km SE)
All earthquakes at Kueishantao

Nisyros volcano (Greece): 85 earthquakes up to magnitude 3.8

Possible earthquake swarm: 85 earthquakes occurred near (under) the volcano during 24 hours, the last being recorded quake 18 minutes ago. Hypocenter depths ranged between 18.6 and 2.0 km.
Earthquake details: (only 5 largest)
3.8 quake Aegean Sea, 22 km west of Tilos Island, Dodecanese, South Aegean, Greece, 14 Apr 3:11 am (GMT +3) (18 km SSW)
3.4 quake Aegean Sea, 48 km south of Kos Town, Dodecanese, South Aegean, Greece, 14 April 2021 13:24 GMT (9 km S)
3.3 quake Aegean Sea, 50 km south of Kos Town, Dodecanese, South Aegean, Greece, 14 April 2021 08:23 GMT (13 km S)
3.2 quake Aegean Sea, 45 km south of Kos Town, Dodecanese, South Aegean, Greece, 14 April 2021 03:21 GMT (9 km S)
3.1 quake Aegean Sea, 44 km south of Kos Town, Dodecanese, South Aegean, Greece, 14 April 2021 03:17 GMT (8 km SSE)
All earthquakes at Nisyros

Santorini volcano (Greece): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.6 km depth at 7 km distance NNE from the volcano.
Earthquake details:
2.7 quake Aegean Sea, 15 km north of Fira, Nomos Kykladon, South Aegean, Greece, 14 April 2021 14:23 GMT (7 km NNE)
All earthquakes at Santorini

Tenorio volcano (Costa Rica): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.0 km depth at 11 km distance SE from the volcano.
Earthquake details:
2.6 quake Tilaran, 24 km northeast of Canas, Cañas, Provincia de Guanacaste, Costa Rica, 14 de abril del 2021 6:33 am (11 km SE)
All earthquakes at Tenorio

Toba volcano (Sumatra): 2 earthquakes up to magnitude 2.5

2 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 10.0 and 10.0 km.
Earthquake details:
2.5 quake 20 km south of Parapat, Kabupaten Toba Samosir, North Sumatra, Indonesia, 14 April 2021 16:26 GMT (19 km NNE)
2.2 quake 61 km south of Pematangsiantar, North Sumatra, Indonesia, 14 April 2021 19:57 GMT (13 km NE)
All earthquakes at Toba

Unzen volcano (Kyushu): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 14.7 km depth at 14 km distance WSW from the volcano.
Earthquake details:
2.8 quake East China Sea, 25 km east of Nagasaki, Japan, Apr 15, 2021 04:38:43.32 (14 km WSW)
All earthquakes at Unzen

White Island volcano (New Zealand): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 4 km distance WNW from the volcano.
Earthquake details:
2.6 quake South Pacific Ocean, 52 km north of Whakatane, Bay of Plenty, New Zealand, 14 April 2021 18:33 GMT (4 km WNW)
All earthquakes at White Island

Previous news

Tue, 13 Apr 2021, 23:50
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 13 Apr 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Brennisteinsfjöll (3 quakes between mag 0.5-1.4), Bromo (1 quake mag 2.9), Clear Lake (12 quakes between mag 0.2-2.5), Coso (6 quakes between mag 0.1-1.8), Fagradalsfjall (15 quakes between mag 0.3-1.0), Gunung Semuning (Ranau caldera) (2 quakes between mag 3.2-4.3) ... Read all
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