Volcano earthquake report for Thursday, 1 Jul 2021

Quakes detected near: Akyarlar (1 quake mag 2.0), Bardarbunga (4 quakes between mag 0.5-2.2), Biliran (1 quake mag 2.1), Clear Lake (19 quakes between mag 0.4-2.2), Copahue (1 quake mag 2.5), Coso (8 quakes between mag 0.3-2.5)
Etna (1 quake mag 3.0), Eyafjallajökull (2 quakes between mag 1.5-1.9), Katla (2 quakes between mag 0.7-1.7), Kilauea (2 quakes between mag 1.4-2.0), Long Valley (5 quakes between mag 0.1-1.2), Mauna Kea (1 quake mag 2.2), Maunaloa (20 quakes between mag 0.7-2.2), Mount Hood (1 quake mag 1.0), Mount Shasta (1 quake mag 1.8), Okataina (Tarawera) (1 quake mag 2.2), Paricutín (Michoacán-Guanajuato) (3 quakes between mag 3.5-3.6), Poas (1 quake mag 2.3), Salton Buttes (3 quakes between mag 0.6-1.2), San Cristobal (1 quake mag 2.2), Sumbing (1 quake mag 3.4), Taal (1 quake mag 3.9), Tjörnes Fracture Zone (5 quakes between mag 0.6-1.8), Toba (1 quake mag 2.6), Vesuvius (2 quakes between mag 0.1-1.0) (updated 23h50)

Note: Earthquakes within 20 km from and at depths less than 20 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): 4 earthquakes up to magnitude 2.2

4 earthquakes occurred near (under) the volcano during 20 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 8.1 and 0.7 km.
Earthquake details:
2.2 quake Iceland: 7.2 Km ESE of Bárðarbunga 1 July 2021 02:14 GMT (7 km E)
1.4 quake Iceland: 7.1 Km E of Bárðarbunga 1 July 2021 02:14 GMT (7 km E)
1.3 quake Iceland: 7.5 Km E of Bárðarbunga 1 July 2021 20:51 GMT (8 km ENE)
0.5 quake Iceland: 5.8 Km W of Bárðarbunga 1 July 2021 01:05 GMT (6 km WNW)
All earthquakes at Bardarbunga

Biliran volcano (Central Philippines): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.0 km depth at 14 km distance SSW from the volcano.
Earthquake details:
2.1 quake Philippines Sea, 5 km north of Leyte, Eastern Visayas, Philippines, 01 July 2021 - 01:32 PM (PST) (14 km SSW)
All earthquakes at Biliran

Clear Lake volcano (California): 19 earthquakes up to magnitude 2.2

Possible earthquake swarm: 19 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 25 minutes ago. Hypocenter depths ranged between 3.2 and 0.1 km.
Earthquake details: (only 5 largest)
2.2 quake 6km NW of The Geysers, CA, 1 July 2021 14:27 GMT (17 km S)
2.2 quake 6km NW of The Geysers, CA, 1 July 2021 14:27 GMT (17 km S)
1.7 quake 8km NW of The Geysers, CA, 1 July 2021 22:28 GMT (16 km SSW)
1.6 quake 4km W of Cobb, CA, 1 July 2021 22:38 GMT (17 km S)
1.4 quake 6km W of Cobb, CA, 1 July 2021 13:37 GMT (17 km S)
All earthquakes at Clear Lake

Copahue volcano (Central Chile and Argentina): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.0 km depth at 2 km distance E from the volcano.
Earthquake details:
2.5 quake Departamento de Ñorquin, 52 km northwest of Loncopué, Neuquen, Argentina, 30/06/2021 22:33:29 (2 km E)
All earthquakes at Copahue

Coso volcano (California): 8 earthquakes up to magnitude 2.5

8 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 1 hour 25 minutes ago. Hypocenter depths ranged between 7.8 and 1.5 km.
Earthquake details: (only 5 largest)
2.5 quake 10km NE of Coso Junction, CA, 1 July 2021 22:25 GMT (9 km NNW)
0.9 quake 21km E of Little Lake, CA, 1 July 2021 10:33 GMT (18 km SE)
0.7 quake 12km NE of Little Lake, CA, 1 July 2021 12:50 GMT (3 km SSE)
0.6 quake 20km E of Little Lake, CA, 1 July 2021 05:49 GMT (18 km SE)
0.5 quake 20km E of Little Lake, CA, 1 July 2021 17:21 GMT (18 km SE)
All earthquakes at Coso

Etna volcano (Italy): 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 0 km distance SW from the volcano.
Earthquake details:
Unconfirmed quake reported: 30 km north of Catina, Catania, Sicily, Italy, 1 July 2021 18:00 GMT (0 km SW)
All earthquakes at Etna

Mauna Kea volcano (Hawai'i (Big Island)): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 8.3 km depth at 17 km distance NE from the volcano.
Earthquake details:
2.2 quake 11 Km S of Pa'auilo, Hawaii, 1 July 2021 12:38 GMT (17 km NE)
All earthquakes at Mauna Kea

Maunaloa volcano (Hawai'i (Big Island)): 20 earthquakes up to magnitude 2.2

Possible earthquake swarm: 20 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 6.5 and 0.3 km.
Earthquake details: (only 5 largest)
2.2 quake 22 Km E of Honaunau-Napoopoo, Hawaii, 1 July 2021 05:14 GMT (4 km W)
1.9 quake 23 Km E of Honaunau-Napoopoo, Hawaii, 1 July 2021 03:21 GMT (4 km WNW)
1.9 quake 22 Km E of Honaunau-Napoopoo, Hawaii, 1 July 2021 06:53 GMT (4 km WNW)
1.8 quake 23 Km E of Honaunau-Napoopoo, Hawaii, 1 July 2021 10:26 GMT (4 km WNW)
1.7 quake 23 Km E of Honaunau-Napoopoo, Hawaii, 1 July 2021 09:11 GMT (4 km WNW)
All earthquakes at Maunaloa

Okataina (Tarawera) volcano (New Zealand): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.6 km depth at 18 km distance ENE from the volcano.
Earthquake details:
2.2 quake 3.7 km northeast of Kawerau, Bay of Plenty, New Zealand, 1 July 2021 05:20 GMT (18 km ENE)
All earthquakes at Okataina (Tarawera)

Paricutín (Michoacán-Guanajuato) volcano (Western & Central Mexico): 3 earthquakes up to magnitude 3.6

3 earthquakes occurred near (under) the volcano during 10 minutes, the last being recorded quake 15 hours ago. Hypocenter depths ranged between 8.0 and 8.0 km.
Earthquake details:
3.6 quake Tancitaro, 21 km southwest of Uruapan, Michoacan, Mexico, 2021-07-01 04:14:54 (Hora de México) (18 km S)
3.5 quake Nuevo Parangaricutiro, 19 km southwest of Uruapan, Michoacan, Mexico, 2021-07-01 04:09:23 (Hora de México) (17 km S)
3.5 quake Nuevo Parangaricutiro, 19 km west of Uruapan, Michoacan, Mexico, 2021-07-01 04:04:52 (Hora de México) (14 km S)
All earthquakes at Paricutín (Michoacán-Guanajuato)

Poas volcano (Costa Rica): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.0 km depth at 14 km distance WSW from the volcano.
Earthquake details:
2.3 quake Naranjo, 23 km northwest of Alajuela, Costa Rica, 01 de julio del 2021 1:18 am (14 km WSW)
All earthquakes at Poas

San Cristobal volcano (Nicaragua): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.0 km depth at 2 km distance WSW from the volcano.
Earthquake details:
2.2 quake 14 km northeast of Chinandega, Nicaragua, 2021-07-01 03:40:39 (2 km WSW)
All earthquakes at San Cristobal

Sumbing volcano (Sumatra): magnitude 3.4 earthquake

A magnitude 3.4 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 19 km distance SSW from the volcano.
Earthquake details:
3.4 quake 64 km southeast of Sungai Penuh, Jambi, Indonesia, 1 July 2021 15:08 GMT (19 km SSW)
All earthquakes at Sumbing

Taal volcano (Luzon Island): magnitude 3.9 earthquake

A magnitude 3.9 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 1.0 km depth at 17 km distance SSW from the volcano.
Earthquake details:
3.9 quake South China Sea, 17 km southwest of Batangas, Calabarzon, Philippines, 2 Jul 2:14 am (GMT +8) (17 km SSW)
All earthquakes at Taal

Toba volcano (Sumatra): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 16 km distance NNE from the volcano.
Earthquake details:
2.6 quake 21 km south of Tomok Bolon, Kabupaten Samosir, North Sumatra, Indonesia, 1 July 2021 03:02 GMT (16 km NNE)
All earthquakes at Toba