Volcano earthquake report for Saturday, 29 Jul 2023
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 29 Jul 2023 Number in brackets indicate nr of quakes.

Quakes detected near: Akyarlar (1 quake mag 3.0), Arayat (1 quake mag 3.0), Bardarbunga (6 quakes between mag 1.3-3.6), Brennisteinsfjöll (4 quakes between mag 0.3-1.2), Clear Lake (17 quakes between mag 0.3-2.0), Conchagüita (1 quake mag 1.8)
Cosigüina (96 quakes between mag 0.2-4.5), Etna (2 quakes between mag 1.3-1.3), Huambo (1 quake mag 4.2), Isla El Tigre (6 quakes between mag 1.5-2.5), Izalco (1 quake mag 3.0), Katla (2 quakes between mag 1.1-1.3), Kilauea (2 quakes between mag 2.0-2.1), Krísuvík (7 quakes between mag 0.3-1.0), Kutcharo (1 quake mag 2.8), La Malinche (1 quake mag 3.5), La Palma (1 quake mag 1.1), Laacher See (1 quake mag 3.0), Latukan (1 quake mag 1.7), Mageik (3 quakes between mag 1.2-1.2), Nevado de Toluca (1 quake mag 3.0), Novarupta (2 quakes between mag 1.0-1.0), Reporoa (1 quake mag 1.6), Reykjanes (4 quakes between mag 0.4-1.9), Ruapehu (2 quakes between mag 0.6-1.0), Salton Buttes (2 quakes between mag 1.3-1.7), San Pablo (1 quake mag 3.0), Spurr (2 quakes between mag 1.6-1.6), Talang (1 quake mag 2.7), Taupo (5 quakes between mag 1.0-1.7), Tenerife (1 quake mag 1.4), The Quill (1 quake mag 3.0), Tianshan (1 quake mag 4.6), Tjörnes Fracture Zone (10 quakes between mag 0.4-1.5), Tongariro (1 quake mag 1.4), Torfajökull (3 quakes between mag 0.4-1.0), Trident (2 quakes between mag 0.9-1.1), Wrangell (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): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 10 km distance S from the volcano.
Earthquake details:
3.0 quake 0.6 km east of Kos, Dodecanese, South Aegean, Greece, Jul 29, 2023 1:09 pm (GMT +3) (10 km S)
All earthquakes at Akyarlar

Arayat volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 9 km distance W from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 75 km northwest of Quezon City, Eastern Manila District, National Capital Region, Philippines, Jul 30, 2023 1:54 am (GMT +8) (9 km W)
All earthquakes at Arayat

Bardarbunga volcano (Iceland): 6 earthquakes up to magnitude 3.6

6 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 8.0 and 0.1 km.
Earthquake details: (only 5 largest)
3.6 quake Iceland: 2.9 Km S of Bárðarbunga Jul 28, 2023 11:55 pm (GMT +0) (2 km S)
2.7 quake Iceland: 4.6 Km ESE of Bárðarbunga Jul 28, 2023 11:55 pm (GMT +0) (4 km E)
2.3 quake Iceland: 5.0 Km ESE of Bárðarbunga Jul 29, 2023 12:35 am (GMT +0) (5 km E)
2.3 quake Iceland: 7.5 Km E of Bárðarbunga Jul 28, 2023 11:50 pm (GMT +0) (8 km E)
1.9 quake Iceland: 6.7 Km E of Bárðarbunga Jul 29, 2023 12:08 am (GMT +0) (7 km E)
All earthquakes at Bardarbunga

Clear Lake volcano (California): 17 earthquakes up to magnitude 2.0

Possible earthquake swarm: 17 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 30 minutes ago. Hypocenter depths ranged between 5.6 and 0.5 km.
Earthquake details: (only 5 largest)
2.0 quake 15 mi southwest of Clearlake, Lake County, California, USA, Jul 29, 2023 9:53 am (GMT -7) (19 km SSW)
1.3 quake 6 Km WNW of The Geysers, CA, Jul 29, 2023 10:04 am (GMT -7) (18 km SSW)
1.1 quake 10 Km NW of The Geysers, CA, Jul 29, 2023 12:55 pm (GMT -7) (16 km SSW)
1.0 quake 7 Km W of Cobb, CA, Jul 29, 2023 3:55 am (GMT -7) (16 km S)
0.8 quake 7 Km WNW of Cobb, CA, Jul 29, 2023 4:19 pm (GMT -7) (15 km S)
All earthquakes at Clear Lake

Cosigüina volcano (Nicaragua): 96 earthquakes up to magnitude 4.5

Possible earthquake swarm: 96 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 46 minutes ago. Hypocenter depths ranged between 41.0 and 1.0 km.
Earthquake details: (only 5 largest)
4.5 quake North Pacific Ocean, Honduras, 60 km northwest of Chinandega, Nicaragua, Jul 28, 2023 8:10 pm (GMT -6) (12 km NE)
3.7 quake North Pacific Ocean, Nicaragua, 44 km southwest of Ciudad Choluteca, Honduras, Jul 28, 2023 10:04 pm (GMT -6) (17 km N)
3.6 quake 61 km northwest of Chinandega, Nicaragua, Jul 28, 2023 8:12 pm (GMT -6) (5 km NE)
3.5 quake North Pacific Ocean, 63 km northwest of Chinandega, Nicaragua, Jul 28, 2023 8:39 pm (GMT -6) (9 km NE)
3.4 quake North Pacific Ocean, 69 km northwest of Chinandega, Nicaragua, Jul 29, 2023 5:03 pm (GMT -6) (14 km N)
All earthquakes at Cosigüina

Huambo volcano (Peru): magnitude 4.2 earthquake

A magnitude 4.2 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.0 km depth at 16 km distance NE from the volcano.
Earthquake details:
4.2 quake 83 km northwest of Cono Norte, Arequipa, Peru, Jul 29, 2023 1:17 pm (GMT -5) (16 km NE)
All earthquakes at Huambo

Isla El Tigre volcano (Honduras): 6 earthquakes up to magnitude 2.5

6 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 5.0 and 1.0 km.
Earthquake details: (only 5 largest)
2.5 quake North Pacific Ocean, 36 km southwest of Ciudad Choluteca, Honduras, Jul 28, 2023 10:56 pm (GMT -6) (19 km SE)
2.3 quake North Pacific Ocean, 39 km southwest of Ciudad Choluteca, Honduras, Jul 28, 2023 9:36 pm (GMT -6) (19 km SE)
2.0 quake North Pacific Ocean, 39 km southwest of Ciudad Choluteca, Honduras, Jul 28, 2023 11:26 pm (GMT -6) (19 km SE)
2.0 quake North Pacific Ocean, 36 km southwest of Ciudad Choluteca, Honduras, Jul 28, 2023 11:57 pm (GMT -6) (19 km SE)
1.8 quake North Pacific Ocean, 25 km south of San Lorenzo, Departamento de Valle, Honduras, Jul 29, 2023 1:17 am (GMT -6) (15 km ESE)
All earthquakes at Isla El Tigre

Izalco volcano (El Salvador): 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 18 km distance SW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 38 km southwest of Santa Ana, El Salvador, Jul 29, 2023 12:38 pm (GMT -6) (18 km SW)
All earthquakes at Izalco

Kilauea volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 2.5 and 0.3 km.
Earthquake details:
2.1 quake 26 mi southwest of Hilo, Hawaii County, USA, Jul 28, 2023 6:07 pm (GMT -10) (4 km WNW)
2.0 quake 3.1 mi southwest of Volcano Village, Hawaii County, USA, Jul 29, 2023 3:02 am (GMT -10) (2 km NNE)
All earthquakes at Kilauea

Kutcharo volcano (Hokkaido): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 1.5 km depth at 7 km distance N from the volcano.
Earthquake details:
2.8 quake 47 km east of Kitami, Ktiami Shi, Hokkaido, Japan, Jul 30, 2023 6:02 am (GMT +9) (7 km N)
All earthquakes at Kutcharo

La Malinche volcano (Western & Central Mexico): magnitude 3.5 earthquake

A magnitude 3.5 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 14 km distance NW from the volcano.
Earthquake details:
3.5 quake 7.4 km east of Tlaxcala, Chiautempan, Tlaxcala, Mexico, Jul 28, 2023 10:49 pm (GMT -6) (14 km NW)
All earthquakes at La Malinche

Laacher See volcano (Germany): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 1 hour 41 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 18 km distance NNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 29 km north of Euskirchen, Cologne District, North Rhine-Westphalia, Germany, Jul 30, 2023 12:09 am (GMT +2) (18 km NNW)
All earthquakes at Laacher See

Nevado de Toluca volcano (Western & Central Mexico): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 19 km distance ENE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 57 km northeast of Tenango de Arista, Tenango del Valle, Mexico, Jul 29, 2023 9:50 am (GMT -6) (19 km ENE)
All earthquakes at Nevado de Toluca

San Pablo volcano (Luzon Island): 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 19 km distance NW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 13 km south of Paranaque City, Southern Manila District, National Capital Region, Philippines, Jul 30, 2023 2:44 am (GMT +8) (19 km NW)
All earthquakes at San Pablo

Talang volcano (Sumatra): 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 10.0 km depth at 2 km distance NNW from the volcano.
Earthquake details:
2.7 quake 18 km south of Solok, Sumatra Barat, Indonesia, Jul 30, 2023 2:43 am (GMT +7) (2 km NNW)
All earthquakes at Talang

The Quill volcano (Caribbean): 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 1 km distance SE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 31 km northwest of Basseterre, St. Kitts & Nevis, Jul 29, 2023 3:00 pm (GMT -4) (1 km SE)
All earthquakes at The Quill

Tianshan volcano (China): magnitude 4.6 earthquake

A magnitude 4.6 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 18 km distance SW from the volcano.
Earthquake details:
4.6 quake 89 km northwest of Kucha, Xinjiang, China, Jul 29, 2023 5:04 pm (GMT +8) (18 km SW)
All earthquakes at Tianshan
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