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Volcano earthquake report for Thursday, 15 Apr 2021

Thu, 15 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 15 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 15 Apr 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Agung (1 quake mag 2.8), Atka (1 quake mag 1.0), Brennisteinsfjöll (1 quake mag 1.9), Clear Lake (37 quakes between mag 0.2-2.6), Coso (5 quakes between mag 0.7-1.9), Eldey (20 quakes between mag 0.9-2.5)
Fagradalsfjall (8 quakes between mag 0.6-1.4), Hengill (26 quakes between mag 0.6-1.9), Hrómundartindur (1 quake mag 1.2), Katla (3 quakes between mag 0.3-1.1), Kilauea (1 quake mag 1.3), Krísuvík (16 quakes between mag 0.2-1.3), Lipari (1 quake mag 1.4), Mauna Loa (20 quakes between mag 0.8-2.1), Megata (1 quake mag 4.0), Midagahara (2 quakes between mag 2.6-2.9), Nisyros (34 quakes between mag 1.2-3.2), Papandayan (1 quake mag 2.4), Reykjanes (9 quakes between mag 0.2-1.5), Sete Cidades (1 quake mag 2.0), Tjörnes Fracture Zone (1 quake mag 1.5), Ubehebe Craters (1 quake mag 1.0), Vatnafjöll (2 quakes between mag 0.8-1.3), White Island (4 quakes between mag 1.9-2.5) (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:




Agung volcano (Bali): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 4 km distance NNE from the volcano.
Earthquake details:
2.8 quake 20 km northwest of Amlapura, Karangasem, Bali, Indonesia, 15 April 2021 11:29 GMT (4 km NNE)
All earthquakes at Agung

Clear Lake volcano (California): 37 earthquakes up to magnitude 2.6

Possible earthquake swarm: 37 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 1 hour 6 minutes ago. Hypocenter depths ranged between 3.6 and 0.3 km.
Earthquake details: (only 5 largest)
2.6 quake 8km NW of The Geysers, CA, USA, 15 April 2021 13:39 GMT (16 km SSW)
2.2 quake 13 mi southwest of Clearlake, Lake County, California, USA, 15 April 2021 04:34 GMT (17 km S)
1.9 quake 3km SW of Cobb, CA, USA, 15 April 2021 21:50 GMT (19 km S)
1.2 quake 8km W of Cobb, CA, USA, 15 April 2021 14:07 GMT (16 km SSW)
1.2 quake 8km WNW of Cobb, CA, USA, 15 April 2021 16:16 GMT (15 km SSW)
All earthquakes at Clear Lake

Eldey volcano (Iceland): 20 earthquakes up to magnitude 2.5

Possible earthquake swarm: 20 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 10.3 and 4.8 km.
Earthquake details: (only 5 largest)
2.5 quake 7.4 Km W of Reykjanestá, Iceland, 15 April 2021 15:56 GMT (11 km NE)
2.4 quake 7.1 Km NE of Eldey, Iceland, 15 April 2021 15:49 GMT (10 km NE)
2.1 quake 6.2 Km NE of Eldey, Iceland, 15 April 2021 14:20 GMT (9 km NE)
2.1 quake 7.0 Km NE of Eldey, Iceland, 15 April 2021 16:00 GMT (7 km NE)
2.0 quake 7.2 Km NE of Eldey, Iceland, 15 April 2021 15:54 GMT (10 km NE)
All earthquakes at Eldey
Eldey is located at the beginning of the Reykjanes Ridge off the SW tip of Iceland. Its highest elevation is the top of Eldey Island, but most of the volcanic edifice is submerged.
Several eruptions occurred in historic times, last in 1926.

Hengill volcano (Iceland): 26 earthquakes up to magnitude 1.9

Possible earthquake swarm: 26 earthquakes occurred near (under) the volcano during 1 hour 9 minutes, the last being recorded quake 1 hour 49 minutes ago. Hypocenter depths ranged between 6.7 and 0.1 km.
Earthquake details: (only 5 largest)
1.9 quake 1.0 Km NE of Eiturhóll, Iceland, 15 April 2021 21:03 GMT (6 km SSW)
1.8 quake 1.0 Km ESE of Eiturhóll, Iceland, 15 April 2021 21:16 GMT (7 km SSW)
1.5 quake 0.8 Km E of Eiturhóll, Iceland, 15 April 2021 20:55 GMT (7 km SSW)
1.5 quake 0.8 Km ESE of Eiturhóll, Iceland, 15 April 2021 21:04 GMT (7 km SSW)
1.4 quake 1.0 Km E of Eiturhóll, Iceland, 15 April 2021 22:00 GMT (7 km SSW)
All earthquakes at Hengill

Krísuvík volcano (Reykjanes Peninsula, Iceland): 16 earthquakes up to magnitude 1.3

Possible earthquake swarm: 16 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 41 minutes ago. Hypocenter depths ranged between 8.4 and 0.1 km.
Earthquake details: (only 5 largest)
1.3 quake 2.5 Km SSW of Keilir, Iceland, 15 April 2021 05:33 GMT (5 km W)
1.3 quake 2.1 Km SSW of Keilir, Iceland, 15 April 2021 09:54 GMT (4 km W)
1.1 quake 2.9 Km SSW of Keilir, Iceland, 15 April 2021 09:42 GMT (5 km WSW)
1.0 quake 4.1 Km N of Krýsuvík, Iceland, 15 April 2021 09:52 GMT (1 km SE)
1.0 quake 3.9 Km NE of Krýsuvík, Iceland, 14 April 2021 23:54 GMT (5 km ESE)
All earthquakes at Krísuvík

Mauna Loa volcano (Hawai'i (Big Island)): 20 earthquakes up to magnitude 2.1

Possible earthquake swarm: 20 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 5.9 and 1.8 km.
Earthquake details: (only 5 largest)
2.1 quake 23 Km E of Honaunau-Napoopoo, Hawaii, USA, 15 April 2021 01:01 GMT (4 km W)
1.1 quake 22 Km E of Honaunau-Napoopoo, Hawaii, USA, 15 April 2021 01:37 GMT (5 km W)
1.0 quake 22 Km ENE of Honaunau-Napoopoo, Hawaii, USA, 15 April 2021 07:09 GMT (8 km NW)
1.0 quake 23 Km E of Honaunau-Napoopoo, Hawaii, USA, 15 April 2021 18:21 GMT (4 km WNW)
1.0 quake 21 Km ENE of Honaunau-Napoopoo, Hawaii, USA, 15 April 2021 02:17 GMT (8 km NW)
All earthquakes at Mauna Loa

Megata volcano (Honshu): magnitude 4.0 earthquake

A magnitude 4.0 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.8 km depth at 11 km distance S from the volcano.
Earthquake details:
4.0 quake Japan Sea, 36 km northwest of Akita, Japan, 16 Apr 2021 4:28 am (GMT +9) (11 km S)
All earthquakes at Megata

Midagahara volcano (Honshu): 2 earthquakes up to magnitude 2.9

2 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 21 hours ago. Hypocenter depths ranged between 3.3 and 3.2 km.
Earthquake details:
2.9 quake Ōmachi-shi, 9.4 km west of Ōmachi, Omachi, Nagano, Japan, Apr 15, 2021 12:10:43.57 (17 km ESE)
2.6 quake Ōmachi-shi, 9.6 km west of Ōmachi, Omachi, Nagano, Japan, Apr 15, 2021 09:11:00.21 (17 km ESE)
All earthquakes at Midagahara

Nisyros volcano (Greece): 34 earthquakes up to magnitude 3.2

Possible earthquake swarm: 34 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 15.8 and 2.0 km.
Earthquake details: (only 5 largest)
3.2 quake Aegean Sea, 49 km south of Kos Town, Dodecanese, South Aegean, Greece, 15 April 2021 02:16 GMT (14 km S)
3.0 quake Aegean Sea, 46 km south of Kos Town, Dodecanese, South Aegean, Greece, 15 April 2021 00:40 GMT (10 km SW)
3.0 quake Aegean Sea, 50 km south of Kos Town, Dodecanese, South Aegean, Greece, 15 April 2021 01:39 GMT (16 km SSE)
2.9 quake Aegean Sea, 50 km south of Kos Town, Dodecanese, South Aegean, Greece, 15 April 2021 03:54 GMT (18 km S)
2.8 quake Aegean Sea, 49 km south of Kos Town, Dodecanese, South Aegean, Greece, 15 April 2021 13:00 GMT (15 km SSE)
All earthquakes at Nisyros

Papandayan volcano (West Java): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 15.0 km depth at 12 km distance NNW from the volcano.
Earthquake details:
2.4 quake 15 km southwest of Paseh, West Java, Indonesia, 15 April 2021 13:28 GMT (12 km NNW)
All earthquakes at Papandayan

White Island volcano (New Zealand): 4 earthquakes up to magnitude 2.5

4 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 5.0 and 2.9 km.
Earthquake details:
2.5 quake South Pacific Ocean, 36 km north of Whakatane, Bay of Plenty, New Zealand, 15 April 2021 05:48 GMT (16 km SSW)
2.0 quake South Pacific Ocean, 39 km north of Whakatane, Bay of Plenty, New Zealand, 15 April 2021 00:23 GMT (11 km S)
1.9 quake South Pacific Ocean, 38 km north of Whakatane, Bay of Plenty, New Zealand, 15 April 2021 11:53 GMT (14 km SSW)
1.9 quake South Pacific Ocean, 39 km north of Whakatane, Bay of Plenty, New Zealand, 15 April 2021 10:22 GMT (13 km SSW)
All earthquakes at White Island

Previous news

Wed, 14 Apr 2021, 23:50

Volcano earthquake report for Wednesday, 14 Apr 2021

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) ... Read all
Tue, 13 Apr 2021, 23:50

Volcano earthquake report for Tuesday, 13 Apr 2021

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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