Volcano earthquake report for Wednesday, 23 Jun 2021

Quakes detected near: Bardarbunga (24 quakes between mag 0.1-1.6), Cabalian (1 quake mag 2.1), Cerro Negro (1 quake mag 2.0), Clear Lake (9 quakes between mag 0.4-1.6), Eldey (4 quakes between mag 0.9-2.9), Great Sitkin (1 quake mag 1.6)
Hayes (1 quake mag 2.8), Hualalai (1 quake mag 3.0), Ilopango (1 quake mag 1.5), Kalatungan (1 quake mag 2.5), Kilauea (6 quakes between mag 1.7-2.0), Maroa (3 quakes between mag 1.6-1.8), Momotombo (1 quake mag 1.2), Nevados Casiri (1 quake mag 3.7), Nisyros (1 quake mag 2.8), Okataina (Tarawera) (1 quake mag 1.8), Paricutín (Michoacán-Guanajuato) (3 quakes between mag 3.5-3.7), Reykjanes (7 quakes between mag 0.1-1.8), Salton Buttes (2 quakes between mag 0.8-1.9), Tenerife (2 quakes between mag 1.1-1.5), Tjörnes Fracture Zone (1 quake mag 1.1), Vesuvius (3 quakes between mag 0.2-1.0), Yellowstone (1 quake mag 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): 24 earthquakes up to magnitude 1.6

Possible earthquake swarm: 24 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 19.8 and 0.5 km.
Earthquake details: (only 5 largest)
1.6 quake Iceland: 17.1 Km ESE of Bárðarbunga 23 June 2021 05:06 GMT (17 km ESE)1.2 quake Iceland: 17.3 Km ESE of Bárðarbunga 23 June 2021 05:06 GMT (17 km ESE)1.2 quake Iceland: 17.5 Km ESE of Bárðarbunga 23 June 2021 12:12 GMT (17 km ESE)1.1 quake Iceland: 11.4 Km E of Bárðarbunga 23 June 2021 12:12 GMT (12 km E)0.9 quake Iceland: 17.5 Km ESE of Bárðarbunga 23 June 2021 07:58 GMT (17 km ESE)All earthquakes at Bardarbunga

Cabalian volcano (Central Philippines): magnitude 2.1 earthquake

A magnitude 2.1 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 11 km distance NNW from the volcano.
Earthquake details:
2.1 quake 9 km west of Hinundayan, Southern Leyte, Eastern Visayas, Philippines, 24 June 2021 - 01:58 AM (PST) (11 km NNW)All earthquakes at Cabalian

Eldey volcano (Iceland): 4 earthquakes up to magnitude 2.9

4 earthquakes occurred near (under) the volcano during 5 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 9.6 and 7.5 km.
Earthquake details:
2.9 quake Iceland: 2.6 Km NW of Eldeyjardrangur 23 June 2021 13:30 GMT (2 km NW)2.7 quake Iceland: 3.4 Km NW of Eldeyjardrangur 23 June 2021 13:31 GMT (3 km WNW)1.6 quake Iceland: 5.0 Km NNE of Eldey 23 June 2021 18:18 GMT (7 km NE)0.9 quake Iceland: 4.8 Km NNE of Eldey 23 June 2021 18:18 GMT (7 km NE)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.

Hayes volcano (Cook Inlet (SW Alaska)): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 1.0 km depth at 2 km distance W from the volcano.
Earthquake details:
2.8 quake 88 mi west of Alaska City, Anchorage, Alaska, USA, 23 Jun 2021 3:57 am (GMT -8) (2 km W)All earthquakes at Hayes

Hualalai volcano (Hawai'i (Big Island)): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 17 km distance SW from the volcano.
Earthquake details:
Unconfirmed quake reported: 5.2 mi southeast of Kailua Kona, Hawaii County, USA, 23 June 2021 04:51 GMT (17 km SW)All earthquakes at Hualalai

Kalatungan volcano (Mindanao): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.0 km depth at 11 km distance SW from the volcano.
Earthquake details:
2.5 quake Province of Bukidnon, Northern Mindanao, 22 km north of Wao, Philippines, 24 June 2021 - 01:20 AM (PST) (11 km SW)All earthquakes at Kalatungan

Nevados Casiri volcano (Peru): magnitude 3.7 earthquake

A magnitude 3.7 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 17.0 km depth at 5 km distance WSW from the volcano.
Earthquake details:
3.7 quake Provincia de Tarata, 73 km northeast of Tacna, Peru, 23 June 2021 19:31 GMT (5 km WSW)All earthquakes at Nevados Casiri

Nisyros volcano (Greece): magnitude 2.8 earthquake

A magnitude 2.8 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 14.6 km depth at 18 km distance SSW from the volcano.
Earthquake details:
2.8 quake Aegean Sea, 65 km south of Kos Town, Dodecanese, South Aegean, Greece, 23 June 2021 02:15 GMT (18 km SSW)All earthquakes at Nisyros

Paricutín (Michoacán-Guanajuato) volcano (Western & Central Mexico): 3 earthquakes up to magnitude 3.7

3 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 14 hours ago. Hypocenter depths ranged between 14.0 and 9.0 km.
Earthquake details:
3.7 quake 23 km northwest of Uruapan, Michoacan, Mexico, 2021-06-23 04:46:12 (Hora de México) (11 km NE)3.5 quake 22 km northwest of Uruapan, Michoacan, Mexico, 2021-06-23 01:20:56 (Hora de México) (11 km NE)3.5 quake 20 km northwest of Uruapan, Michoacan, Mexico, 2021-06-23 03:54:02 (Hora de México) (3 km ENE)All earthquakes at Paricutín (Michoacán-Guanajuato)
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