Volcano earthquake report for Monday, 27 Dec 2021
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 27 Dec 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Akyarlar (2 quakes between mag 1.4-2.3), Bardarbunga (3 quakes between mag 1.1-1.2), Campi Flegrei (Phlegrean Fields) (10 quakes between mag 0.1-3.0), Clear Lake (1 quake mag 1.6), Coso (12 quakes between mag 0.7-2.5), Denison (1 quake mag 1.3)
Eldey (3 quakes between mag 0.3-1.6), Etna (5 quakes between mag 1.0-1.7), Fagradalsfjall (41 quakes between mag 0.1-3.2), Herdubreid (1 quake mag 1.0), Hrómundartindur (5 quakes between mag 0.1-1.3), Jaraguay (1 quake mag 4.1), Katla (1 quake mag 1.8), Krísuvík (209 quakes between mag 0.1-3.6), Kusatsu-Shirane (1 quake mag 2.5), La Palma (32 quakes between mag 0.6-2.3), Loihi (1 quake mag 2.1), Long Valley (1 quake mag 1.3), Mayon (1 quake mag 3.0), Okataina (Tarawera) (1 quake mag 2.0), Paco (1 quake mag 3.3), Reykjanes (6 quakes between mag 0.1-2.3), Salton Buttes (1 quake mag 1.5), Sousaki (1 quake mag 1.5), Sukaria (1 quake mag 2.8), Tjörnes Fracture Zone (1 quake mag 1.3) (updated 23h50)

Note: Earthquakes within 20 km from and at depths less than 50 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:


Akyarlar volcano (Turkey): 2 earthquakes up to magnitude 2.3

2 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 24.2 and 5.0 km.
Earthquake details:
2.3 quake Aegean Sea, 5.3 km northwest of Kos, Dodecanese, South Aegean, Greece, Dec 27, 2021 9:06 am (GMT +2) (8 km SW)1.4 quake Greece: TURGUTREIS-BODRUM (MUGLA) Dec 27, 2021 11:51 pm (GMT +3) (7 km NW)All earthquakes at Akyarlar

Campi Flegrei (Phlegrean Fields) volcano (Italy): 10 earthquakes up to magnitude 3.0

10 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 10.0 and 1.0 km.
Earthquake details: (only 5 largest)
Reported seismic-like event (likely no quake): 13 km west of Naples, Neapel, Campania, Italy, Dec 27, 2021 10:41 am (GMT +1) (4 km NW)1.4 quake Italy: Campi Flegrei Dec 27, 2021 10:40 am (GMT +1) (1 km SW)1.3 quake Italy: Campi Flegrei Dec 27, 2021 2:29 pm (GMT +1) (2 km WNW)1.1 quake Italy: Campi Flegrei Dec 27, 2021 12:22 pm (GMT +1) (1 km SW)1.1 quake Italy: Campi Flegrei Dec 27, 2021 5:54 am (GMT +1) (1 km SW)All earthquakes at Campi Flegrei (Phlegrean Fields)

Coso volcano (California): 12 earthquakes up to magnitude 2.5

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 5.7 and 1.1 km.
Earthquake details: (only 5 largest)
2.5 quake 11km NE of Coso Junction, CA, Dec 27, 2021 1:10 am (GMT -8) (10 km NNW)1.6 quake 8km NE of Coso Junction, CA, Dec 26, 2021 8:32 pm (GMT -8) (10 km NW)1.5 quake 11km NE of Coso Junction, CA, Dec 27, 2021 12:27 am (GMT -8) (9 km NNW)1.4 quake 11km NE of Coso Junction, CA, Dec 27, 2021 6:48 am (GMT -8) (9 km NNW)1.2 quake 11km NE of Coso Junction, CA, Dec 27, 2021 1:19 am (GMT -8) (9 km NNW)All earthquakes at Coso

Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 41 earthquakes up to magnitude 3.2

Possible earthquake swarm: 41 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 56 minutes ago. Hypocenter depths ranged between 21.7 and 0.4 km.
Earthquake details: (only 5 largest)
3.2 quake Iceland: 4.5 Km SW of Fagradalsfjall Dec 27, 2021 5:27 am (GMT +0) (4 km SW)2.3 quake Iceland: 2.5 Km S of Fagradalsfjall Dec 27, 2021 12:20 am (GMT +0) (1 km SSW)1.6 quake Iceland: 1.0 Km NE of Fagradalsfjall Dec 27, 2021 6:49 am (GMT +0) (2 km NNE)1.4 quake Iceland: 4.4 Km SSW of Fagradalsfjall Dec 27, 2021 4:48 am (GMT +0) (4 km SW)1.3 quake Iceland: 4.1 Km S of Fagradalsfjall Dec 27, 2021 5:06 pm (GMT +0) (3 km SSW)All earthquakes at Fagradalsfjall

Jaraguay volcano (Baja California, NW Mexico & Mexican Islands): magnitude 4.1 earthquake

A magnitude 4.1 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.0 km depth at 19 km distance E from the volcano.
Earthquake details:
4.1 quake Ensenada Municipality, Baja California, 257 km southwest of Heroica Caborca, Mexico, Dec 27, 2021 8:28 am (GMT -8) (19 km E)All earthquakes at Jaraguay

Krísuvík volcano (Reykjanes Peninsula, Iceland): 209 earthquakes up to magnitude 3.6

Possible earthquake swarm: 209 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 51 minutes ago. Hypocenter depths ranged between 8.4 and 0.4 km.
Earthquake details: (only 5 largest)
3.6 quake Iceland: 3.7 Km N of Krýsuvík Dec 27, 2021 8:25 am (GMT +0) (3 km ESE)3.2 quake Iceland: 4.5 Km E of Keilir Dec 27, 2021 12:32 am (GMT +0) (2 km ESE)3.0 quake Iceland: 2.9 Km N of Krýsuvík Dec 27, 2021 9:02 am (GMT +0) (3 km SE)3.0 quake Iceland: 3.4 Km N of Krýsuvík Dec 27, 2021 7:48 am (GMT +0) (3 km ESE)2.9 quake Iceland: 4.4 Km N of Krýsuvík Dec 27, 2021 12:31 pm (GMT +0) (3 km E)All earthquakes at Krísuvík

Kusatsu-Shirane volcano (Honshu): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.9 km depth at 14 km distance NW from the volcano.
Earthquake details:
2.5 quake Kamitakai-gun, 20 km east of Nagano, Japan, Dec 27, 2021 11:43 am (GMT +9) (14 km NW)All earthquakes at Kusatsu-Shirane

La Palma volcano (Canary Islands): 32 earthquakes up to magnitude 2.3

Possible earthquake swarm: 32 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 40 minutes ago. Hypocenter depths ranged between 19.0 and 0.2 km.
Earthquake details: (only 5 largest)
2.3 quake La Palma Island, 13 km southeast of Los Llanos de Aridane, Spain, Dec 27, 2021 6:50 am (GMT +0) (3 km S)1.9 quake La Palma Island, 14 km southeast of Los Llanos de Aridane, Spain, Dec 27, 2021 6:19 pm (GMT +0) (3 km S)1.9 quake La Palma Island, 5.9 km southeast of Los Llanos de Aridane, Spain, Dec 27, 2021 4:06 pm (GMT +0) (6 km NW)1.9 quake La Palma Island, 13 km southeast of Los Llanos de Aridane, Spain, Dec 27, 2021 3:51 am (GMT +0) (2 km S)1.8 quake La Palma Island, 14 km southeast of Los Llanos de Aridane, Spain, Dec 27, 2021 3:30 am (GMT +0) (3 km SSW)All earthquakes at La Palma

Loihi volcano (Hawai'i (Big Island)): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.8 km depth at 13 km distance SE from the volcano.
Earthquake details:
2.1 quake 48 Km SE of Naalehu, Hawaii, Dec 27, 2021 11:02 am (GMT -10) (13 km SE)All earthquakes at Loihi

Mayon volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 16 km distance SSE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 2.6 km east of Legazpi, Province of Albay, Bicol, Philippines, Dec 28, 2021 3:55 am (GMT +8) (16 km SSE)All earthquakes at Mayon

Paco volcano (Mindanao): 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 2.0 km depth at 18 km distance S from the volcano.
Earthquake details:
3.3 quake 34 km north of Cabadbaran, Province of Agusan del Norte, Caraga, Philippines, Dec 27, 2021 7:59 pm (GMT +8) (18 km S)All earthquakes at Paco

Reykjanes volcano (Reykjanes Peninsula, Iceland): 6 earthquakes up to magnitude 2.3

6 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 6.3 and 0.2 km.
Earthquake details: (only 5 largest)
2.3 quake Iceland: 4.9 Km NNE of Grindavík Dec 27, 2021 4:14 am (GMT +0) (6 km ESE)0.6 quake Iceland: 3.5 Km NE of Grindavík Dec 27, 2021 2:49 am (GMT +0) (7 km ESE)0.6 quake Iceland: 2.5 Km N of Grindavík Dec 27, 2021 1:34 am (GMT +0) (5 km SE)0.4 quake Iceland: 3.4 Km NNE of Reykjanestá Dec 27, 2021 5:51 pm (GMT +0) (10 km SW)0.3 quake Iceland: 3.1 Km NE of Grindavík Dec 27, 2021 3:40 am (GMT +0) (7 km ESE)All earthquakes at Reykjanes

Sukaria volcano (Flores): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 14.0 km depth at 10 km distance WNW from the volcano.
Earthquake details:
2.8 quake 8.4 km north of Ende, East Nusa Tenggara, Indonesia, Dec 28, 2021 1:17 am (GMT +8) (10 km WNW)All earthquakes at Sukaria
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