Volcano earthquake report for Monday, 13 Mar 2023

Quakes detected near: Aniakchak (1 quake mag 1.4), Bardarbunga (2 quakes between mag 0.1-2.2), Campi Flegrei (Phlegrean Fields) (2 quakes between mag 1.4-2.8), Cerro Negro de Mayasquer (1 quake mag 3.5), Cerro Singüil (1 quake mag 2.2), Clear Lake (24 quakes between mag 0.3-1.3)
Erciyes Dagi (1 quake mag 1.3), Etna (1 quake mag 3.0), Hrómundartindur (4 quakes between mag 0.1-1.6), Irazu (1 quake mag 3.0), Katla (1 quake mag 1.1), Kilauea (2 quakes between mag 1.3-1.8), Koruhüyüğü (10 quakes between mag 1.2-4.2), Krísuvík (3 quakes between mag 0.6-1.6), Kueishantao (1 quake mag 4.0), La Palma (1 quake mag 2.3), Leonard Range (4 quakes between mag 2.0-2.7), Loihi (1 quake mag 2.6), Long Valley (3 quakes between mag 0.4-1.2), Martin (3 quakes between mag 0.3-1.3), Mayotte Island (1 quake mag 2.3), Michoacán-Guanajuato (2 quakes between mag 3.9-3.9), Okmok (2 quakes between mag 0.8-1.1), Ruapehu (4 quakes between mag 0.6-1.0), Santo Tomas (1 quake mag 1.6), Sibualbuali (1 quake mag 2.6), São Jorge (3 quakes between mag 1.5-2.3), Takawangha (19 quakes between mag 0.4-2.3), Tambora (1 quake mag 2.7), Tanaga (28 quakes between mag 1.0-2.4), Tenerife (1 quake mag 1.2), Tjörnes Fracture Zone (2 quakes between mag 1.1-1.3), Ukinrek Maars (2 quakes between mag 1.4-1.8), Vatnafjöll (1 quake mag 1.1), Vesuvius (1 quake mag 2.1) (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:

Bardarbunga volcano (Iceland): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 13 hours ago. Hypocenter depths ranged between 3.0 and 0.1 km.
Earthquake details:
2.2 quake Iceland: 3.8 Km NE of Bárðarbunga Mar 13, 2023 3:46 am (GMT +0) (5 km NE)
0.1 quake Iceland: 4.6 Km ENE of Bárðarbunga Mar 13, 2023 11:08 am (GMT +0) (5 km NE)
All earthquakes at Bardarbunga

Campi Flegrei (Phlegrean Fields) volcano (Italy): 2 earthquakes up to magnitude 2.8

2 earthquakes occurred near (under) the volcano at nearly the same time (22:41 UTC). Hypocenter depths ranged between 2.7 and 1.9 km.
Earthquake details:
2.8 quake 10.9 km west of Naples, Neapel, Campania, Italy, Mar 13, 2023 11:40 pm (GMT +1) (1 km N)
1.4 quake Italy: Campi Flegrei Mar 13, 2023 11:41 pm (GMT +1) (0 km N)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Cerro Negro de Mayasquer volcano (Colombia): magnitude 3.5 earthquake

A magnitude 3.5 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 3 km distance ENE from the volcano.
Earthquake details:
3.5 quake Departamento de Nariño, Colombia, 25 km west of Tulcan, Ecuador, Mar 12, 2023 9:21 pm (GMT -5) (3 km ENE)
All earthquakes at Cerro Negro de Mayasquer

Cerro Singüil volcano (El Salvador): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.0 km depth at 18 km distance WNW from the volcano.
Earthquake details:
2.2 quake 23 km southeast of Jutiapa, Departamento de Jutiapa, Guatemala, Mar 13, 2023 1:48 am (GMT -6) (18 km WNW)
All earthquakes at Cerro Singüil

Clear Lake volcano (California): 24 earthquakes up to magnitude 1.3

Possible earthquake swarm: 24 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 13 minutes ago. Hypocenter depths ranged between 16.0 and 0.1 km.
Earthquake details: (only 5 largest)
1.3 quake 4km W of Cobb, CA, Mar 12, 2023 11:36 pm (GMT -7) (17 km S)
1.3 quake 7km W of Cobb, CA, Mar 13, 2023 5:46 am (GMT -7) (16 km S)
1.3 quake 6km NW of The Geysers, CA, Mar 13, 2023 2:29 am (GMT -7) (18 km SSW)
1.2 quake 7km NW of The Geysers, CA, Mar 13, 2023 3:36 pm (GMT -7) (16 km S)
1.2 quake 8km NW of The Geysers, CA, Mar 12, 2023 6:53 pm (GMT -7) (18 km SSW)
All earthquakes at Clear Lake

Etna volcano (Italy): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 0 km distance SW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): Near Bronte, Sicily, Italy, Mar 13, 2023 6:07 pm (GMT +1) (0 km SW)
All earthquakes at Etna

Irazu volcano (Costa Rica): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.0 km depth at 16 km distance NNW from the volcano.
Earthquake details:
3.0 quake Provincia de Limon, 26 km northeast of San Jose, San José, Costa Rica, Mar 12, 2023 7:15 pm (GMT -6) (16 km NNW)
All earthquakes at Irazu

Koruhüyüğü volcano (Turkey): 10 earthquakes up to magnitude 4.2

10 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 27 minutes ago. Hypocenter depths ranged between 17.6 and 5.0 km.
Earthquake details: (only 5 largest)
4.2 quake Hatay, 41 km southeast of Osmaniye, Turkey, Mar 13, 2023 5:23 am (GMT +3) (4 km W)
3.3 quake Hatay, 37 km southeast of Osmaniye, Turkey, Mar 13, 2023 3:22 pm (GMT +3) (7 km NNW)
2.1 quake 19 km east of Dörtyol, Hatay, Turkey, Mar 13, 2023 5:06 pm (GMT +3) (16 km W)
2.1 quake Gaziantep, 33 km southeast of Osmaniye, Turkey, Mar 13, 2023 11:44 am (GMT +3) (16 km N)
1.9 quake Gaziantep, 41 km east of Osmaniye, Turkey, Mar 13, 2023 3:47 am (GMT +3) (17 km NNE)
All earthquakes at Koruhüyüğü

Kueishantao volcano (Taiwan): magnitude 4.0 earthquake

A magnitude 4.0 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 0 km depth at 12 km distance E from the volcano.
Earthquake details:
4.0 quake Philippine Sea, 31 km east of Yilan, Taiwan, Mar 13, 2023 8:11 am (GMT +8) (12 km E)
All earthquakes at Kueishantao

La Palma volcano (Canary Islands): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 15.0 km depth at 4 km distance S from the volcano.
Earthquake details:
2.3 quake La Palma Island, 15 km southeast of Los Llanos de Aridane, Spain, Mar 13, 2023 9:05 am (GMT +0) (4 km S)
All earthquakes at La Palma

Leonard Range volcano (Mindanao): 4 earthquakes up to magnitude 2.7

4 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 33.0 and 1.0 km.
Earthquake details:
2.7 quake 20 km south of Compostela, Davao de Oro, Philippines, Mar 14, 2023 12:09 am (GMT +8) (17 km NE)
2.5 quake 8.9 km east of San Mariano, Davao de Oro, Philippines, Mar 13, 2023 8:31 pm (GMT +8) (15 km NNE)
2.4 quake 5.6 km east of San Mariano, Davao de Oro, Philippines, Mar 14, 2023 2:26 am (GMT +8) (12 km N)
2.0 quake 2.5 km southeast of San Mariano, Davao de Oro, Philippines, Mar 14, 2023 3:03 am (GMT +8) (12 km NNW)
All earthquakes at Leonard Range

Loihi volcano (Hawai'i (Big Island)): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 35 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 14.2 km depth at 14 km distance NNW from the volcano.
Earthquake details:
2.6 quake North Pacific Ocean, 15 mi southeast of Pāhala, Hawaii County, USA, Mar 13, 2023 1:14 pm (GMT -10) (14 km NNW)
All earthquakes at Loihi

Mayotte Island volcano (Indian Ocean): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 1 hour 53 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 39.0 km depth at 17 km distance ENE from the volcano.
Earthquake details:
2.3 quake 10.7 km east of Mamoudzou, Mayotte, Mar 14, 2023 12:57 am (GMT +3) (17 km ENE)
All earthquakes at Mayotte Island

Michoacán-Guanajuato volcano (Western & Central Mexico): 2 earthquakes up to magnitude 3.9

2 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 4.6 and 4.2 km.
Earthquake details:
3.9 quake 6.6 km southeast of Periban, Michoacan, Mexico, Mar 13, 2023 1:01 pm (GMT -6) (14 km W)
3.9 quake 15 km east of Los Reyes de Salgado, Michoacan, Mexico, Mar 13, 2023 3:56 am (GMT -6) (17 km NNW)
All earthquakes at Michoacán-Guanajuato

Sibualbuali volcano (Sumatra): magnitude 2.6 earthquake

A magnitude 2.6 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 13 km distance SW from the volcano.
Earthquake details:
2.6 quake 14 km northwest of Padangsidempuan, North Sumatra, Indonesia, Mar 13, 2023 12:33 pm (GMT +7) (13 km SW)
All earthquakes at Sibualbuali

São Jorge volcano (Azores): 3 earthquakes up to magnitude 2.3

3 earthquakes occurred near (under) the volcano during 43 minutes, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 9.0 and 0.0 km.
Earthquake details:
2.3 quake São Jorge, 1.2 km northeast of Velas, Azores, Portugal, Mar 13, 2023 6:20 pm (GMT -1) (9 km WNW)
2.1 quake São Jorge, 0.6 km northeast of Velas, Azores, Portugal, Mar 13, 2023 7:04 pm (GMT -1) (9 km WNW)
1.5 quake Portugal: S. Jorge Mar 13, 2023 6:47 pm (GMT -1) (8 km WNW)
All earthquakes at São Jorge

Takawangha volcano (Aleutian Islands): 19 earthquakes up to magnitude 2.3

Possible earthquake swarm: 19 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 7.4 and 1.8 km.
Earthquake details: (only 5 largest)
2.3 quake Bering Sea, 54 mi west of Adak, Aleutians West, Alaska, USA, Mar 13, 2023 10:01 am (GMT -9) (8 km ESE)
1.9 quake Bering Sea, 54 mi west of Adak, Aleutians West, Alaska, USA, Mar 13, 2023 3:36 am (GMT -9) (7 km E)
1.6 quake 86 Km W of Adak, Alaska, Mar 13, 2023 10:46 am (GMT -9) (8 km ESE)
1.6 quake 97 Km W of Adak, Alaska, Mar 13, 2023 9:08 am (GMT -9) (3 km WSW)
1.4 quake Andreanof Islands, Aleutian Islands, Alaska, Mar 13, 2023 6:00 am (GMT -9) (7 km E)
All earthquakes at Takawangha

Tambora volcano (Sumbawa): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 20.0 km depth at 16 km distance WNW from the volcano.
Earthquake details:
2.7 quake 58 km northeast of Sumbawa Besar, Indonesia, Mar 14, 2023 3:22 am (GMT +8) (16 km WNW)
All earthquakes at Tambora

Tanaga volcano (Aleutian Islands): 28 earthquakes up to magnitude 2.4

Possible earthquake swarm: 28 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 1 hour 33 minutes ago. Hypocenter depths ranged between 4.6 and 1.8 km.
Earthquake details: (only 5 largest)
2.4 quake 62 mi west of Adak, Aleutians West, Alaska, USA, Mar 12, 2023 8:27 pm (GMT -9) (6 km SE)
2.3 quake 62 mi west of Adak, Aleutians West, Alaska, USA, Mar 13, 2023 2:12 am (GMT -9) (6 km SE)
2.1 quake 102 Km W of Adak, Alaska, Mar 13, 2023 4:41 am (GMT -9) (4 km SSE)
2.1 quake 102 Km W of Adak, Alaska, Mar 13, 2023 4:38 am (GMT -9) (3 km SSE)
2.1 quake 100 Km W of Adak, Alaska, Mar 13, 2023 12:58 am (GMT -9) (4 km SE)
All earthquakes at Tanaga

Vesuvius volcano (Italy): 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 0.2 km depth at 1 km distance NNE from the volcano.
Earthquake details:
2.1 quake 7.3 km northeast of Torre del Greco, Neapel, Campania, Italy, Mar 13, 2023 10:12 pm (GMT +1) (1 km NNE)
All earthquakes at Vesuvius