Volcano earthquake report for Saturday, 4 Feb 2023
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 4 Feb 2023 Number in brackets indicate nr of quakes.

Quakes detected near: Apaneca Range (1 quake mag 2.1), Ardoukôba (1 quake mag 3.0), Bardarbunga (1 quake mag 1.1), Cerro Singüil (8 quakes between mag 1.8-3.0), Clear Lake (44 quakes between mag 0.2-2.4), Didicas (1 quake mag 1.9)
Dieng (1 quake mag 2.6), Etna (1 quake mag 3.0), Herdubreid (2 quakes between mag 0.6-2.4), Katla (4 quakes between mag 1.0-2.3), Kilauea (1 quake mag 1.7), La Palma (1 quake mag 1.6), Martin (3 quakes between mag 0.3-1.3), Nevado de Toluca (1 quake mag 3.0), Okataina (Tarawera) (1 quake mag 2.1), Patoc (1 quake mag 2.6), Quilotoa (1 quake mag 3.0), Rota (1 quake mag 2.0), San Diego (1 quake mag 1.2), Singu Plateau (1 quake mag 4.3), São Jorge (2 quakes between mag 1.6-1.9), Tenerife (1 quake mag 1.3), Timber Mountain (2 quakes between mag 0.7-1.5), Tjörnes Fracture Zone (4 quakes between mag 0.8-1.4), Wrangell (1 quake mag 1.5) (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:



Apaneca Range volcano (El Salvador): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.0 km depth at 19 km distance NNW from the volcano.
Earthquake details:
2.1 quake Departamento de Jutiapa, Guatemala, 15 km north of Ahuachapan, El Salvador, Feb 3, 2023 7:56 pm (GMT -6) (19 km NNW)
All earthquakes at Apaneca Range

Ardoukôba volcano (Djibouti): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 11 km distance NE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 109 km north of Ali Sabih, Ali Sabieh, Djibouti, Feb 4, 2023 9:46 pm (GMT +3) (11 km NE)
All earthquakes at Ardoukôba

Cerro Singüil volcano (El Salvador): 8 earthquakes up to magnitude 3.0

8 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 18.0 and 1.0 km.
Earthquake details: (only 5 largest)
3.0 quake 18 km northwest of Santa Ana, El Salvador, Feb 4, 2023 6:22 am (GMT -6) (7 km WNW)
2.6 quake 26 km south of Jutiapa, Departamento de Jutiapa, Guatemala, Feb 4, 2023 11:50 am (GMT -6) (17 km W)
2.5 quake Departamento de Jutiapa, Guatemala, 15 km north of Ahuachapan, El Salvador, Feb 4, 2023 2:49 pm (GMT -6) (15 km W)
2.5 quake Guatemala, 18 km northwest of Santa Ana, El Salvador, Feb 4, 2023 9:43 am (GMT -6) (7 km WNW)
2.5 quake 17 km north of Santa Ana, El Salvador, Feb 4, 2023 6:19 am (GMT -6) (15 km NE)
All earthquakes at Cerro Singüil

Clear Lake volcano (California): 44 earthquakes up to magnitude 2.4

Possible earthquake swarm: 44 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 18 minutes ago. Hypocenter depths ranged between 7.9 and 0.1 km.
Earthquake details: (only 5 largest)
2.4 quake 15 mi southwest of Clearlake, Lake County, California, USA, Feb 4, 2023 10:13 am (GMT -8) (17 km SSW)
2.2 quake 15 mi southwest of Clearlake, Lake County, California, USA, Feb 4, 2023 10:12 am (GMT -8) (18 km SSW)
1.8 quake 15 mi southwest of Clearlake, Lake County, California, USA, Feb 4, 2023 5:58 am (GMT -8) (18 km SSW)
1.5 quake 10km NW of The Geysers, CA, Feb 3, 2023 10:01 pm (GMT -8) (15 km SSW)
1.4 quake 3km W of Cobb, CA, Feb 4, 2023 2:31 pm (GMT -8) (17 km S)
All earthquakes at Clear Lake

Dieng volcano (Central Java): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.0 km depth at 9 km distance WNW from the volcano.
Earthquake details:
2.6 quake 21 km northwest of Wonosobo, Central Java, Indonesia, Feb 4, 2023 7:22 pm (GMT +7) (9 km WNW)
All earthquakes at Dieng

Etna volcano (Italy): magnitude 3.0 earthquake

A magnitude 3.0 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 0 km distance SW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 48 km southwest of Barcellona Pozzo di Gotto, Province of Messina, Sicily, Italy, Feb 4, 2023 1:24 pm (GMT +1) (0 km SW)
All earthquakes at Etna

Herdubreid volcano (Iceland): 2 earthquakes up to magnitude 2.4

2 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 4.8 and 3.8 km.
Earthquake details:
2.4 quake Iceland: 6.8 Km NNW of Herðubreiðarlindir Feb 4, 2023 7:45 am (GMT +0) (7 km NNE)
0.6 quake Iceland: 4.2 Km SW of Herðubreið Feb 4, 2023 2:51 pm (GMT +0) (5 km SW)
All earthquakes at Herdubreid

Katla volcano (Iceland): 4 earthquakes up to magnitude 2.3

4 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 1.1 and 0.1 km.
Earthquake details:
2.3 quake Iceland: 4.5 Km ENE of Goðabunga Feb 4, 2023 4:09 pm (GMT +0) (6 km WNW)
1.9 quake Iceland: 7.0 Km E of Goðabunga Feb 4, 2023 5:47 am (GMT +0) (4 km NW)
1.6 quake Iceland: 2.6 Km NNW of Hábunga Feb 4, 2023 4:02 pm (GMT +0) (5 km SW)
1.0 quake Iceland: 5.3 Km E of Goðabunga Feb 4, 2023 4:09 pm (GMT +0) (5 km WNW)
All earthquakes at Katla

Nevado de Toluca volcano (Western & Central Mexico): 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 15 km distance SE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 29 km south of Toluca de Lerdo, Mexico, Feb 4, 2023 12:00 am (GMT -6) (15 km SE)
All earthquakes at Nevado de Toluca

Okataina (Tarawera) volcano (New Zealand): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 1 hour 31 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 5.1 km depth at 15 km distance E from the volcano.
Earthquake details:
2.1 quake 3 km southwest of Kawerau, Bay of Plenty, New Zealand, Feb 5, 2023 11:18 am (GMT +13) (15 km E)
All earthquakes at Okataina (Tarawera)

Patoc volcano (Luzon Island): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 23.0 km depth at 16 km distance ESE from the volcano.
Earthquake details:
2.6 quake 4.8 km north of Barlig, Mountain Province, Cordillera, Philippines, Feb 4, 2023 9:04 pm (GMT +8) (16 km ESE)
All earthquakes at Patoc

Quilotoa volcano (Ecuador): 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 15 km distance NE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 110 km northeast of La Mana, Provincia de Cotopaxi, Ecuador, Feb 4, 2023 2:28 pm (GMT -5) (15 km NE)
All earthquakes at Quilotoa

Singu Plateau volcano (Myanmar): magnitude 4.3 earthquake

A magnitude 4.3 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 5 km distance WNW from the volcano.
Earthquake details:
4.3 quake Mandalay Region, 30 km northeast of Shwebo, Sagaing Region, Myanmar (Burma), Feb 4, 2023 2:04 pm (GMT +6:30) (5 km WNW)
All earthquakes at Singu Plateau
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