Volcano earthquake report for Tuesday, 4 May 2021
Tue, 4 May 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 4 May 2021 Number in brackets indicate nr of quakes.
Grímsvötn (2 quakes between mag 0.7-1.7), Hengill (36 quakes between mag 0.1-2.7), Irazu (1 quake mag 3.4), Kabargin Oth (1 quake mag 3.2), Kilauea (3 quakes between mag 1.7-2.3), Kolumbo (1 quake mag 2.7), Long Valley (2 quakes between mag 0.8-1.4), Mount Rainier (3 quakes between mag 0.4-1.0), Newer Volcanics Province (1 quake mag 3.0), Nisyros (6 quakes between mag 1.3-3.4), Prestahnukur (1 quake mag 1.6), Reykjanes (7 quakes between mag 0.1-1.1), Robledo (1 quake mag 4.6), Ruapehu (3 quakes between mag 1.2-1.4), Sierra Negra (1 quake mag 3.0), Snowy Mountain (2 quakes between mag 1.2-1.9), Tatun Group (1 quake mag 3.0), Taupo (1 quake mag 3.0), Tjörnes Fracture Zone (6 quakes between mag 0.5-1.6), Todoko-Ranu (1 quake mag 3.3), Tungurahua (1 quake mag 1.4), Vesuvius (1 quake mag 1.4) (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:
Brennisteinsfjöll volcano (Reykjanes Peninsula, Iceland): 13 earthquakes up to magnitude 1.1
Possible earthquake swarm: 13 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 37 minutes ago. Hypocenter depths ranged between 16.8 and 5.4 km.Earthquake details: (only 5 largest)
1.1 quake 1.7 Km E of Bláfjallaskáli, Iceland, 4 May 2021 18:43 GMT (13 km NE)
1.0 quake 2.8 Km ESE of Bláfjallaskáli, Iceland, 4 May 2021 12:53 GMT (13 km ENE)
0.9 quake 2.2 Km E of Bláfjallaskáli, Iceland, 4 May 2021 18:43 GMT (13 km ENE)
0.7 quake 2.6 Km ESE of Bláfjallaskáli, Iceland, 4 May 2021 12:30 GMT (13 km ENE)
0.7 quake 6.2 Km WSW of Bláfjallaskáli, Iceland, 4 May 2021 07:47 GMT (5 km NE)
All earthquakes at Brennisteinsfjöll
Clear Lake volcano (California): 18 earthquakes up to magnitude 2.1
Possible earthquake swarm: 18 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 47 minutes ago. Hypocenter depths ranged between 5.3 and 0.3 km.Earthquake details: (only 5 largest)
2.1 quake 4km WNW of The Geysers, CA, USA, 4 May 2021 13:55 GMT (19 km S)
1.7 quake 8km W of Cobb, CA, USA, 4 May 2021 14:44 GMT (15 km SSW)
1.2 quake 6km NW of The Geysers, CA, USA, 4 May 2021 11:13 GMT (17 km S)
1.1 quake 7km WNW of Cobb, CA, USA, 4 May 2021 01:22 GMT (15 km S)
1.1 quake 7km NW of The Geysers, CA, USA, 4 May 2021 05:20 GMT (18 km SSW)
All earthquakes at Clear Lake
El Hierro volcano (Canary Islands): 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 10.0 km depth at 14 km distance WNW from the volcano.Earthquake details:
2.1 quake 17 km southwest of Frontera, Santa Cruz de Tenerife, Canary Islands, Spain, 4 May 2021 14:53 GMT (14 km WNW)
All earthquakes at El Hierro
Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 12 earthquakes up to magnitude 1.3
Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 9.0 and 0.1 km.Earthquake details: (only 5 largest)
1.3 quake 5.0 Km NNE of Grindavík, Iceland, 4 May 2021 12:08 GMT (6 km WSW)
1.0 quake 5.3 Km SW of Fagradalsfjall, Iceland, 4 May 2021 12:46 GMT (5 km SW)
0.9 quake 4.0 Km NE of Grindavík, Iceland, 4 May 2021 02:56 GMT (6 km WSW)
0.7 quake 1.5 Km ENE of Fagradalsfjall, Iceland, 4 May 2021 01:19 GMT (2 km NE)
0.6 quake 2.8 Km SW of Keilir, Iceland, 4 May 2021 10:21 GMT (4 km NE)
All earthquakes at Fagradalsfjall
Griggs volcano (Alaska Peninsula): magnitude 3.0 earthquake
A magnitude 3.0 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.1 km depth at 14 km distance NE from the volcano.Earthquake details:
3.0 quake Lake and Peninsula Parish, 102 mi northwest of Kodiak, Alaska, USA, 4 May 2021 07:31 GMT (14 km NE)
All earthquakes at Griggs
Hengill volcano (Iceland): 36 earthquakes up to magnitude 2.7
Possible earthquake swarm: 36 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 7.1 and 1.7 km.Earthquake details: (only 5 largest)
2.7 quake 2.4 Km E of Eiturhóll, Iceland, 4 May 2021 17:12 GMT (6 km SSW)
1.5 quake 1.2 Km NNE of Eiturhóll, Iceland, 4 May 2021 17:12 GMT (6 km SW)
1.5 quake 2.1 Km ENE of Eiturhóll, Iceland, 4 May 2021 17:13 GMT (6 km SSW)
1.5 quake 3.1 Km ESE of Eiturhóll, Iceland, 4 May 2021 06:25 GMT (7 km S)
1.5 quake 2.1 Km E of Eiturhóll, Iceland, 4 May 2021 17:29 GMT (6 km SSW)
All earthquakes at Hengill
Irazu volcano (Costa Rica): magnitude 3.4 earthquake
A magnitude 3.4 earthquake occurred at the volcano 13 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.0 km depth at 11 km distance W from the volcano.Earthquake details:
3.4 quake Vazquez de Coronado, 16 km northeast of San Jose, San José, Costa Rica, 04 de mayo del 2021 5:18 am (11 km W)
All earthquakes at Irazu
Kabargin Oth volcano (Georgia): magnitude 3.2 earthquake
A magnitude 3.2 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 17 km distance SW from the volcano.Earthquake details:
3.2 quake 28 km northwest of Ts'khinvali, Shida Kartli, Georgia, 4 May 2021 05:36 GMT (17 km SW)
All earthquakes at Kabargin Oth
Kilauea volcano (Hawai'i (Big Island)): 3 earthquakes up to magnitude 2.3
3 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 3.6 and 0.0 km.Earthquake details:
2.3 quake 5 Km SW of Volcano, Hawaii, USA, 4 May 2021 19:46 GMT (2 km ESE)
2.2 quake 10 Km WSW of Volcano, Hawaii, USA, 4 May 2021 09:20 GMT (4 km W)
1.7 quake 5 Km SW of Volcano, Hawaii, USA, 4 May 2021 18:26 GMT (2 km ESE)
All earthquakes at Kilauea
Kolumbo volcano (Greece): magnitude 2.7 earthquake
A magnitude 2.7 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 14.5 km depth at 10 km distance WSW from the volcano.Earthquake details:
2.7 quake Aegean Sea, 6.4 km northeast of Oia, Nomos Kykladon, South Aegean, Greece, 4 May 2021 03:03 GMT (10 km WSW)
All earthquakes at Kolumbo
Newer Volcanics Province volcano (Australia): magnitude 3.0 earthquake
A magnitude 3.0 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 11 km distance NW from the volcano.Earthquake details:
Unconfirmed quake reported: 31 km east of Hamilton, Southern Grampians, Victoria, Australia, 4 May 2021 07:14 GMT (11 km NW)
All earthquakes at Newer Volcanics Province
Nisyros volcano (Greece): 6 earthquakes up to magnitude 3.4
6 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 41 minutes ago. Hypocenter depths ranged between 17.5 and 5.0 km.Earthquake details: (only 5 largest)
3.4 quake Aegean Sea, 47 km south of Kos Town, Dodecanese, South Aegean, Greece, 4 May 2021 09:11 GMT (11 km S)
2.9 quake Aegean Sea, 57 km south of Kos Town, Dodecanese, South Aegean, Greece, 4 May 2021 08:36 GMT (15 km S)
2.2 quake Aegean Sea, 57 km south of Kos Town, Dodecanese, South Aegean, Greece, 4 May 2021 13:37 GMT (18 km S)
1.8 quake Aegean Sea, 48 km south of Kos Town, Dodecanese, South Aegean, Greece, 4 May 2021 22:09 GMT (15 km SSE)
1.7 quake Aegean Sea, 95 km west of Rhodes, Dodecanese, South Aegean, Greece, 4 May 2021 21:48 GMT (16 km S)
All earthquakes at Nisyros
Robledo volcano (Northern Chile, Bolivia and Argentina): magnitude 4.6 earthquake
A magnitude 4.6 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 9 km distance NNE from the volcano.Earthquake details:
4.6 quake Departamento de Tinogasta, 96 km northwest of Puerta de Corral Quemado, Departamento de Belén, Catamarca, Argentina, 4 May 10:15 am (GMT -3) (9 km NNE)
All earthquakes at Robledo
Sierra Negra volcano (Galapagos Islands): magnitude 3.0 earthquake
A magnitude 3.0 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 5 km distance NE from the volcano.Earthquake details:
Unconfirmed quake reported: Canton Isabela, 92 km west of Puerto Ayora, Ecuador, 4 May 2021 10:00 GMT (5 km NE)
All earthquakes at Sierra Negra
Tatun Group volcano (Taiwan): magnitude 3.0 earthquake
A magnitude 3.0 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 15 km distance S from the volcano.Earthquake details:
Unconfirmed quake reported: 1.7 km south of Taipei, Taiwan, 4 May 2021 08:33 GMT (15 km S)
All earthquakes at Tatun Group
Taupo volcano (New Zealand): magnitude 3.0 earthquake
A magnitude 3.0 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 18 km distance NNE from the volcano.Earthquake details:
Unconfirmed quake reported: 1.6 km northeast of Taupo, Waikato, New Zealand, 4 May 2021 14:49 GMT (18 km NNE)
All earthquakes at Taupo
Todoko-Ranu volcano (Halmahera): magnitude 3.3 earthquake
A magnitude 3.3 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 12 km distance E from the volcano.Earthquake details:
3.3 quake 53 km northeast of Ternate, North Maluku, Indonesia, 4 May 2021 11:25 GMT (12 km E)
All earthquakes at Todoko-Ranu
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Mon, 3 May 2021, 23:50
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