Volcano earthquake report for Sunday, 26 Dec 2021
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 26 Dec 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Akyarlar (5 quakes between mag 1.8-3.2), Augustine (1 quake mag 2.1), Biliran (1 quake mag 2.0), Brennisteinsfjöll (22 quakes between mag 0.1-1.8), Campi Flegrei (Phlegrean Fields) (3 quakes between mag 0.2-1.8), Coso (7 quakes between mag 0.9-1.9)
Eldey (5 quakes between mag 0.8-2.3), Etna (2 quakes between mag 3.0-3.0), Eyafjallajökull (1 quake mag 1.0), Fagradalsfjall (354 quakes between mag 0.1-3.1), Hrómundartindur (5 quakes between mag 0.7-1.7), Katla (1 quake mag 1.5), Krísuvík (524 quakes between mag 0.1-3.6), La Palma (22 quakes between mag 0.9-2.8), Loihi (2 quakes between mag 2.4-2.8), Mammoth Mountain (4 quakes between mag 0.7-2.4), Maroa (1 quake mag 1.6), Mayotte Island (2 quakes between mag 1.3-2.1), Okataina (Tarawera) (3 quakes between mag 1.2-1.3), Reykjanes (12 quakes between mag 0.1-2.0), Sousaki (3 quakes between mag 1.2-4.0), Taupo (1 quake mag 2.1), Tenerife (1 quake mag 1.1), Tungnafellsjökull (1 quake mag 4.0), Vulcano (1 quake mag 1.1) (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): 5 earthquakes up to magnitude 3.2

5 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 1 hour 28 minutes ago. Hypocenter depths ranged between 18.9 and 2.8 km.
Earthquake details:
3.2 quake Aegean Sea, 6 km north of Kos, Dodecanese, South Aegean, Greece, Dec 26, 2021 11:46 pm (GMT +3) (4 km S)2.1 quake Aegean Sea, 4.3 km north of Kos, Dodecanese, South Aegean, Greece, Dec 26, 2021 11:48 pm (GMT +2) (6 km SSW)2.0 quake Aegean Sea, 7.2 km northwest of Kos, Dodecanese, South Aegean, Greece, Dec 27, 2021 12:22 am (GMT +2) (9 km WSW)1.9 quake Aegean Sea, 4.1 km northwest of Kos, Dodecanese, South Aegean, Greece, Dec 26, 2021 8:43 pm (GMT +2) (9 km SW)1.8 quake 3.5 km west of Kos, Dodecanese, South Aegean, Greece, Dec 26, 2021 11:19 pm (GMT +2) (11 km SSW)All earthquakes at Akyarlar

Augustine volcano (Cook Inlet (SW Alaska)): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 1.0 km depth at 17 km distance SE from the volcano.
Earthquake details:
2.1 quake 72 Km W of Nanwalek, Alaska, Dec 26, 2021 4:40 am (GMT -9) (17 km SE)All earthquakes at Augustine

Brennisteinsfjöll volcano (Reykjanes Peninsula, Iceland): 22 earthquakes up to magnitude 1.8

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 31.4 and 0.5 km.
Earthquake details: (only 5 largest)
1.8 quake Iceland: 7.2 Km ENE of Krýsuvík Dec 26, 2021 3:33 am (GMT +0) (5 km WSW)1.6 quake Iceland: 7.9 Km SSE of Helgafell Dec 26, 2021 12:23 am (GMT +0) (3 km NE)1.6 quake Iceland: 7.8 Km WSW of Raufarhólshellir Dec 26, 2021 4:01 pm (GMT +0) (15 km E)1.3 quake Iceland: 9.9 Km SSW of Bláfjallaskáli Dec 26, 2021 3:50 pm (GMT +0) (5 km ESE)1.1 quake Iceland: 10.9 Km W of Þorlákshöfn Dec 26, 2021 9:20 am (GMT +0) (13 km ESE)All earthquakes at Brennisteinsfjöll

Eldey volcano (Iceland): 5 earthquakes up to magnitude 2.3

5 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 10 hours ago. Hypocenter depths ranged between 17.1 and 1.1 km.
Earthquake details:
2.3 quake Iceland: 15.2 Km S of Eldeyjardrangur Dec 26, 2021 12:25 am (GMT +0) (16 km S)1.1 quake Iceland: 9.8 Km S of Reykjanestá Dec 26, 2021 5:52 am (GMT +0) (15 km E)1.1 quake Iceland: 2.0 Km SSW of Eldeyjardrangur Dec 26, 2021 9:06 am (GMT +0) (2 km S)1.1 quake Iceland: 13.0 Km SE of Geirfuglasker Dec 26, 2021 12:54 am (GMT +0) (15 km S)0.8 quake Iceland: 14.6 Km SE of Geirfuglasker Dec 26, 2021 2:10 pm (GMT +0) (16 km S)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.

Etna volcano (Italy): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 10.0 and 10.0 km.
Earthquake details:
Reported seismic-like event (likely no quake): 30 km north of Catania, Sicily, Italy, Dec 26, 2021 10:47 pm (GMT +1) (0 km SW)Reported seismic-like event (likely no quake): 30 km north of Catania, Sicily, Italy, Dec 26, 2021 9:50 am (GMT +1) (0 km SW)All earthquakes at Etna

Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 354 earthquakes up to magnitude 3.1

Possible earthquake swarm: 354 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 28 minutes ago. Hypocenter depths ranged between 24.5 and 0.3 km.
Earthquake details: (only 5 largest)
3.1 quake Iceland: 2.3 Km S of Fagradalsfjall Dec 26, 2021 12:01 am (GMT +0) (1 km SSW)2.9 quake Iceland: 3.3 Km SSW of Fagradalsfjall Dec 26, 2021 12:43 am (GMT +0) (3 km SW)2.8 quake Iceland: 2.4 Km S of Fagradalsfjall Dec 26, 2021 12:08 am (GMT +0) (1 km SSW)2.6 quake Iceland: 1.7 Km S of Fagradalsfjall Dec 26, 2021 12:06 am (GMT +0) (1 km SSW)2.5 quake Iceland: 3.8 Km SSW of Fagradalsfjall Dec 26, 2021 1:56 pm (GMT +0) (3 km SW)All earthquakes at Fagradalsfjall

Krísuvík volcano (Reykjanes Peninsula, Iceland): 524 earthquakes up to magnitude 3.6

Possible earthquake swarm: 524 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 18 minutes ago. Hypocenter depths ranged between 32.4 and 0.1 km.
Earthquake details: (only 5 largest)
3.6 quake Iceland: 3.5 Km NNW of Krýsuvík Dec 26, 2021 5:12 am (GMT +0) (2 km SE)3.6 quake Iceland: 3.6 Km N of Krýsuvík Dec 26, 2021 3:25 pm (GMT +0) (2 km SE)3.6 quake Iceland: 4.1 Km N of Krýsuvík Dec 26, 2021 5:10 am (GMT +0) (1 km SSE)3.5 quake Iceland: 3.4 Km N of Krýsuvík Dec 26, 2021 10:54 pm (GMT +0) (3 km ESE)3.2 quake Iceland: 3.6 Km E of Keilir Dec 26, 2021 5:54 am (GMT +0) (1 km E)All earthquakes at Krísuvík

La Palma volcano (Canary Islands): 22 earthquakes up to magnitude 2.8

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 59 minutes ago. Hypocenter depths ranged between 39.0 and 1.0 km.
Earthquake details: (only 5 largest)
2.8 quake La Palma Island, 7.2 km south of Santa Cruz de La Palma, Spain, Dec 26, 2021 7:22 pm (GMT +0) (8 km ENE)2.2 quake La Palma Island, 10.5 km southeast of Los Llanos de Aridane, Spain, Dec 26, 2021 5:19 am (GMT +0) (4 km NNE)2.2 quake La Palma Island, 13 km southeast of Los Llanos de Aridane, Spain, Dec 26, 2021 7:05 am (GMT +0) (3 km SSW)2.2 quake La Palma Island, 13 km southeast of Los Llanos de Aridane, Spain, Dec 26, 2021 9:46 am (GMT +0) (1 km SSE)2.1 quake La Palma Island, 14 km southeast of Los Llanos de Aridane, Spain, Dec 26, 2021 8:59 am (GMT +0) (3 km SSE)All earthquakes at La Palma

Loihi volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.8

2 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 11.7 and 7.4 km.
Earthquake details:
2.8 quake North Pacific Ocean, 59 mi south of Hilo, Hawaii County, USA, Dec 25, 2021 10:44 pm (GMT -10) (13 km ESE)2.4 quake 50 Km SE of Naalehu, Hawaii, Dec 26, 2021 10:03 am (GMT -10) (16 km SE)All earthquakes at Loihi

Mammoth Mountain volcano (California): 4 earthquakes up to magnitude 2.4

4 earthquakes occurred near (under) the volcano during 57 minutes, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 6.1 and 3.4 km.
Earthquake details:
2.4 quake 17km WSW of Mammoth Lakes, CA, Dec 26, 2021 8:38 am (GMT -8) (12 km SW)1.7 quake 17km WSW of Mammoth Lakes, CA, Dec 26, 2021 8:53 am (GMT -8) (13 km SW)0.8 quake 13km WSW of Mammoth Lakes, CA, Dec 26, 2021 9:28 am (GMT -8) (8 km SW)0.7 quake 13km WSW of Mammoth Lakes, CA, Dec 26, 2021 9:35 am (GMT -8) (9 km SW)All earthquakes at Mammoth Mountain

Mayotte Island volcano (Indian Ocean): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 1 hour 4 minutes, the last being recorded quake 20 hours ago. Hypocenter depths ranged between 37.5 and 16.5 km.
Earthquake details:
2.1 quake Mozambique Channel, 11 km east of Mamoudzou, Mayotte, Dec 26, 2021 6:32 am (GMT +3) (18 km ENE)1.3 quake Mayotte: Near Mamoudzou Dec 26, 2021 5:28 am (GMT +3) (17 km SE)All earthquakes at Mayotte Island

Reykjanes volcano (Reykjanes Peninsula, Iceland): 12 earthquakes up to magnitude 2.0

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 5.4 and 1.1 km.
Earthquake details: (only 5 largest)
2.0 quake Iceland: 1.5 Km NNE of Grindavík Dec 26, 2021 7:19 am (GMT +0) (7 km SE)1.3 quake Iceland: 1.1 Km NNE of Grindavík Dec 26, 2021 12:28 pm (GMT +0) (7 km SE)1.3 quake Iceland: 2.0 Km ENE of Grindavík Dec 26, 2021 8:35 am (GMT +0) (8 km SE)0.8 quake Iceland: 0.8 Km NE of Grindavík Dec 26, 2021 12:28 pm (GMT +0) (7 km SE)0.8 quake Iceland: 0.9 Km NNE of Grindavík Dec 26, 2021 11:57 am (GMT +0) (7 km SE)All earthquakes at Reykjanes

Sousaki volcano (Greece): 3 earthquakes up to magnitude 4.0

3 earthquakes occurred near (under) the volcano during 56 minutes, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 16.7 and 9.0 km.
Earthquake details:
4.0 quake Ionian Sea, 53 km west of Athens, Nomarchia Athinas, Attica, Greece, Dec 26, 2021 6:13 pm (GMT +2) (19 km N)2.1 quake Ionian Sea, 19 km northwest of Megara, Attica, Greece, Dec 26, 2021 7:10 pm (GMT +2) (19 km NNE)1.2 quake Greece: 28 Km NE From Corinth Dec 26, 2021 6:45 pm (GMT +2) (19 km NNE)All earthquakes at Sousaki

Taupo volcano (New Zealand): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 47 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 5 km distance SW from the volcano.
Earthquake details:
2.1 quake North Island, 22 km southwest of Taupo, Waikato, New Zealand, Dec 27, 2021 12:03 pm (GMT +13) (5 km SW)All earthquakes at Taupo

Tungnafellsjökull volcano (Iceland): magnitude 4.0 earthquake

A magnitude 4.0 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 1.1 km depth at 5 km distance WNW from the volcano.
Earthquake details:
4.0 quake Iceland: 2.5 Km NE of Nýidalur Dec 26, 2021 5:10 am (GMT +0) (5 km WNW)All earthquakes at Tungnafellsjökull
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/168957/Volcano-earthquake-report-for-Sunday-26-Dec-2021.html