Ever since your MesaZona was a kid choosing to do a Science Fair project about Volcanoes in the sixth grade, the subject of volcanoes and earthquakes became fascinating as short-lived phenomena on Planet Earth. While living later in the Berkeley Hills in California, the two-way road in and out was divided by The San Andreas Fault with one lane up and the other lane down with a gulch in between. A friend who lived on the coast in Oregon always had something to say about earthquakes in The Cascadia Region. Then there was the eruption of Mt, Saint Helens and then fissures appearing here in Arizona - and just the other day a shallow quake near Flagstaff. That all explains the reasons for this post:
Volcano earthquake report for Monday, 12 Apr 2021
Mon, 12 Apr 2021, 10:50
10:50 AM | BY: EARTHQUAKEMONITOR
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 12 Apr 2021 Number in brackets indicate nr of quakes.
Fagradalsfjall (2 quakes between mag 1.0-1.1), Hengill (1 quake mag 1.2), Herdubreid (3 quakes between mag 0.4-1.4), Hrómundartindur (8 quakes between mag 0.3-1.4), Katla (2 quakes between mag 1.1-1.1), Kolumbo (1 quake mag 2.5), Krísuvík (15 quakes between mag 0.1-3.5), Kverkfjöll (2 quakes between mag 0.6-1.0), Lassen (1 quake mag 2.4), Long Valley (9 quakes between mag 0.1-1.8), Mauna Loa (21 quakes between mag 0.7-1.5), Mono Lake (1 quake mag 1.0), Nisyros (8 quakes between mag 1.4-3.0), Penanggungan (1 quake mag 3.0), Piton de la Fournaise (2 quakes between mag 0.4-1.4), Reykjanes (8 quakes between mag 0.1-1.3), Rotorua (1 quake mag 3.0), Taupo (3 quakes between mag 1.2-1.8), Tjörnes Fracture Zone (1 quake mag 1.1), Vesuvius (4 quakes between mag 0.3-1.8) (updated 10h50)
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:
Cheb Basin volcanic area volcano (Czechia): magnitude 2.2 earthquake
A magnitude 2.2 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 10 km distance NNW from the volcano.Earthquake details:
2.2 quake 4.1 km southwest of Cheb, Karlovarský kraj, Czechia, 12 April 2021 02:01 GMT (10 km NNW) - 11 hours ago
All earthquakes at Cheb Basin volcanic area
Clear Lake volcano (California): 30 earthquakes up to magnitude 2.7
Possible earthquake swarm: 30 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 36 minutes ago. Hypocenter depths ranged between 5.8 and 1.2 km.Earthquake details: (only 5 largest)
2.7 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, USA, 11 April 2021 22:03 GMT (16 km SSW) - 15 hours ago
2.5 quake 7km NW of The Geysers, CA, USA, 11 April 2021 22:57 GMT (17 km SSW) - 14 hours ago
2.4 quake 7km WNW of The Geysers, CA, USA, 11 April 2021 16:55 GMT (18 km SSW) - 20 hours ago
2.1 quake 7km NW of The Geysers, CA, USA, 11 April 2021 22:16 GMT (16 km SSW) - 15 hours ago
1.9 quake 6km WNW of The Geysers, CA, USA, 12 April 2021 08:08 GMT (19 km SSW) - 5 hours ago
All earthquakes at Clear Lake
Kolumbo volcano (Greece): magnitude 2.5 earthquake
A magnitude 2.5 earthquake occurred at the volcano 1 hour 34 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 12.7 km depth at 7 km distance ENE from the volcano.Earthquake details:
2.5 quake Aegean Sea, 18 km northeast of Fira, Nomos Kykladon, South Aegean, Greece, 12 April 2021 09:16 GMT (7 km ENE) - 3 hours 53 minutes ago
All earthquakes at Kolumbo
Krísuvík volcano (Reykjanes Peninsula, Iceland): 15 earthquakes up to magnitude 3.5
Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 1 hour 5 minutes ago. Hypocenter depths ranged between 7.4 and 1.0 km.Earthquake details: (only 5 largest)
3.5 quake 3.9 Km SE of Keilir, Iceland, 12 April 2021 03:26 GMT (1 km SSW) - 10 hours ago
1.4 quake 2.3 Km SSW of Keilir, Iceland, 12 April 2021 00:06 GMT (5 km W) - 13 hours ago
1.2 quake 2.7 Km E of Keilir, Iceland, 12 April 2021 02:10 GMT (1 km NW) - 11 hours ago
1.2 quake 0.4 Km WNW of Keilir, Iceland, 11 April 2021 12:43 GMT (4 km WNW) - 1 day 0 hours ago
1.0 quake 5.5 Km N of Krýsuvík, Iceland, 12 April 2021 09:11 GMT (2 km ENE) - 3 hours 58 minutes ago
All earthquakes at Krísuvík
Lassen volcano (California): magnitude 2.4 earthquake
A magnitude 2.4 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.3 km depth at 9 km distance NW from the volcano.Earthquake details:
2.4 quake 10km ENE of Viola, CA, USA, 12 April 2021 03:30 GMT (9 km NW) - 10 hours ago
All earthquakes at Lassen
Mauna Loa volcano (Hawai'i (Big Island)): 21 earthquakes up to magnitude 1.5
Possible earthquake swarm: 21 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 10.1 and 1.5 km.Earthquake details: (only 5 largest)
1.5 quake Island of Hawaii, Hawaii, USA, 12 April 2021 04:40 GMT (17 km W) - 8 hours ago
1.2 quake 24 Km WNW of Volcano, Hawaii, USA, 12 April 2021 02:57 GMT (14 km E) - 10 hours ago
1.2 quake 26 Km N of Pāhala, Hawaii, USA, 11 April 2021 20:44 GMT (11 km ESE) - 16 hours ago
1.1 quake Island of Hawaii, Hawaii, USA, 11 April 2021 20:59 GMT (4 km W) - 16 hours ago
1.0 quake 22 Km ENE of Honaunau-Napoopoo, Hawaii, USA, 11 April 2021 14:33 GMT (8 km NW) - 23 hours ago
All earthquakes at Mauna Loa
Nisyros volcano (Greece): 8 earthquakes up to magnitude 3.0
8 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 14.3 and 3.9 km.Earthquake details: (only 5 largest)
3.0 quake Aegean Sea, 23 km west of Tilos Island, Dodecanese, South Aegean, Greece, 11 April 2021 16:40 GMT (13 km SSW) - 20 hours ago
2.9 quake Aegean Sea, 20 km west of Tilos Island, Dodecanese, South Aegean, Greece, 11 April 2021 15:07 GMT (13 km S) - 22 hours ago
2.7 quake Aegean Sea, 10.8 km west of Tilos Island, Dodecanese, South Aegean, Greece, 12 April 2021 00:46 GMT (19 km SSE) - 12 hours ago
2.2 quake Aegean Sea, 18 km west of Tilos Island, Dodecanese, South Aegean, Greece, 12 April 2021 01:01 GMT (16 km S) - 12 hours ago
2.1 quake Aegean Sea, 21 km west of Tilos Island, Dodecanese, South Aegean, Greece, 12 April 2021 07:32 GMT (16 km S) - 6 hours ago
All earthquakes at Nisyros
Penanggungan volcano (East Java): 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 17 km distance SE from the volcano.Earthquake details:
Unconfirmed quake reported: Near Malang, East Java, Indonesia, 11 April 2021 14:40 GMT (17 km SE) - 22 hours ago
All earthquakes at Penanggungan
Rotorua volcano (New Zealand): magnitude 3.0 earthquake
A magnitude 3.0 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 6 km distance SE from the volcano.Earthquake details:
Unconfirmed quake reported: Near Rotorua, Bay of Plenty, New Zealand, 11 April 2021 16:40 GMT (6 km SE) - 20 hours ago
All earthquakes at Rotorua
Previous news
Sun, 11 Apr 2021, 23:50
Quakes detected near: Clear Lake (24 quakes between mag 0.3-2.7), Coso (11 quakes between mag 0.8-2.4), Herdubreid (3 quakes between mag 0.1-1.4), Hrómundartindur (10 quakes between mag 0.4-1.0), Katla (10 quakes between mag 0.2-2.0), Krafla (2 quakes between mag 0.4-1.2) ... read all
Sat, 10 Apr 2021, 23:50
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