Volcano earthquake report for Tuesday, 1 Jun 2021
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 1 Jun 2021 Number in brackets indicate nr of quakes.

Quakes detected near: Apoyeque (1 quake mag 1.3), Campi Flegrei (Phlegrean Fields) (16 quakes between mag 0.4-3.0), Chichinautzin (1 quake mag 3.3), Clear Lake (38 quakes between mag 0.2-2.2), Coso (8 quakes between mag 0.3-1.9), Etna (1 quake mag 3.0)
Eyafjallajökull (2 quakes between mag 0.7-1.3), Fagradalsfjall (3 quakes between mag 0.5-1.4), Guallatiri (1 quake mag 2.7), Herdubreid (5 quakes between mag 0.1-1.0), Isarog (1 quake mag 3.0), Katla (1 quake mag 2.1), Kilauea (2 quakes between mag 1.9-2.0), Kverkfjöll (1 quake mag 1.4), Loihi (1 quake mag 1.8), Maunaloa (1 quake mag 1.9), Methana (1 quake mag 1.7), Momotombo (1 quake mag 1.4), Nisyros (10 quakes between mag 1.5-2.2), Nyiragongo (1 quake mag 3.0), Paricutín (Michoacán-Guanajuato) (5 quakes between mag 3.4-3.8), Penguin Island (11 quakes between mag 2.5-3.9), Ruapehu (5 quakes between mag 0.5-2.2), Tjörnes Fracture Zone (1 quake mag 1.2), Vesuvius (3 quakes between mag 0.4-1.0), Vulcano (1 quake mag 3.0) (updated 12h50)

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:


Campi Flegrei (Phlegrean Fields) volcano (Italy): 16 earthquakes up to magnitude 3.0

Possible earthquake swarm: 16 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 10.0 and 0.9 km.
Earthquake details: (only 5 largest)
Unconfirmed quake reported: 14 km west of nepalasa, Naples, Campania, Italy, 31 May 2021 21:37 GMT (4 km WNW)1.8 quake 3.8 km southwest of Pianura, Naples, Campania, Italy, 31 May 2021 21:32 GMT (2 km NNW)1.7 quake 4 km southwest of Pianura, Naples, Campania, Italy, 31 May 2021 21:38 GMT (1 km NNW)1.4 quake Italy: Campi Flegrei 31 May 2021 21:22 GMT (2 km N)1.3 quake Italy: Campi Flegrei 31 May 2021 21:33 GMT (1 km N)All earthquakes at Campi Flegrei (Phlegrean Fields)

Chichinautzin volcano (Western & Central Mexico): magnitude 3.3 earthquake

A magnitude 3.3 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 13 km distance SSE from the volcano.
Earthquake details:
3.3 quake 15 km east of Cuernavaca, Morelos, Mexico, 2021-05-31 13:20:21 (Hora de México) (13 km SSE)All earthquakes at Chichinautzin

Clear Lake volcano (California): 38 earthquakes up to magnitude 2.2

Possible earthquake swarm: 38 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 55 minutes ago. Hypocenter depths ranged between 3.3 and 0.0 km.
Earthquake details: (only 5 largest)
2.2 quake 6km WNW of The Geysers, CA, 31 May 2021 18:44 GMT (19 km SSW)1.7 quake 6km NW of The Geysers, CA, 1 June 2021 01:13 GMT (17 km S)1.2 quake 8km NW of The Geysers, CA, 1 June 2021 11:10 GMT (16 km SSW)1.2 quake 4km W of Cobb, CA, 1 June 2021 07:56 GMT (17 km S)1.2 quake 10km WNW of The Geysers, CA, 31 May 2021 23:03 GMT (18 km SSW)All earthquakes at Clear Lake

Etna volcano (Italy): 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 0 km distance SW from the volcano.
Earthquake details:
Unconfirmed quake reported: 30 km north of Catina, Catania, Sicily, Italy, 31 May 2021 18:14 GMT (0 km SW)All earthquakes at Etna

Guallatiri volcano (Northern Chile, Bolivia and Argentina): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.4 km depth at 12 km distance SSE from the volcano.
Earthquake details:
2.7 quake Provincia de Parinacota, 132 km east of Arica, Region de Arica y Parinacota, Chile, 1 June 2021 04:41 GMT (12 km SSE)All earthquakes at Guallatiri

Isarog volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 1 hour 58 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 18 km distance WSW from the volcano.
Earthquake details:
Reported (unconfirmed) earthquake: 10.4 km southwest of Naga, Province of Camarines Sur, Bicol, Philippines, 1 June 2021 10:52 GMT (18 km WSW)All earthquakes at Isarog

Katla volcano (Iceland): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.3 km depth at 13 km distance WNW from the volcano.
Earthquake details:
2.1 quake Iceland: 4.7 Km NNW of Goðabunga 31 May 2021 17:38 GMT (13 km WNW)All earthquakes at Katla

Nisyros volcano (Greece): 10 earthquakes up to magnitude 2.2

10 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 14.9 and 5.0 km.
Earthquake details: (only 5 largest)
2.2 quake Aegean Sea, 54 km south of Kos Town, Dodecanese, South Aegean, Greece, 1 June 2021 04:44 GMT (19 km S)2.2 quake Aegean Sea, 49 km south of Kos Town, Dodecanese, South Aegean, Greece, 1 June 2021 01:12 GMT (14 km SSE)2.2 quake Aegean Sea, 45 km south of Kos Town, Dodecanese, South Aegean, Greece, 31 May 2021 21:29 GMT (8 km SSW)1.9 quake Aegean Sea, 91 km west of Rhodes, Dodecanese, South Aegean, Greece, 31 May 2021 23:21 GMT (18 km S)1.8 quake Aegean Sea, 50 km south of Kos Town, Dodecanese, South Aegean, Greece, 31 May 2021 22:57 GMT (13 km SSW)All earthquakes at Nisyros

Nyiragongo volcano (Democratic Republic of Congo (DRC)): 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 10.0 km depth at 18 km distance S from the volcano.
Earthquake details:
Unconfirmed quake reported: 3.6 km south of Goma, Nord Kivu, Congo - Kinshasa, 31 May 2021 13:44 GMT (18 km S)All earthquakes at Nyiragongo

Paricutín (Michoacán-Guanajuato) volcano (Western & Central Mexico): 5 earthquakes up to magnitude 3.8

5 earthquakes occurred near (under) the volcano during 2 hours, the last being recorded quake 15 hours ago. Hypocenter depths ranged between 10.0 and 4.0 km.
Earthquake details:
3.8 quake Tancitaro, 27 km west of Uruapan, Michoacan, Mexico, 2021-05-31 16:21:59 (Hora de México) (12 km SSW)3.8 quake Nuevo Parangaricutiro, 27 km west of Uruapan, Michoacan, Mexico, 2021-05-31 14:01:19 (Hora de México) (11 km SW)3.6 quake Tancitaro, 35 km west of Uruapan, Michoacan, Mexico, 2021-05-31 15:30:31 (Hora de México) (17 km WSW)3.5 quake 27 km west of Uruapan, Michoacan, Mexico, 2021-05-31 15:18:20 (Hora de México) (5 km W)3.4 quake Nuevo Parangaricutiro, 23 km west of Uruapan, Michoacan, Mexico, 2021-05-31 16:12:29 (Hora de México) (11 km SSW)All earthquakes at Paricutín (Michoacán-Guanajuato)

Penguin Island volcano (Antarctica): 11 earthquakes up to magnitude 3.9

Possible earthquake swarm: 11 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 13.1 and 6.9 km.
Earthquake details: (only 5 largest)
3.9 quake South Atlantic Ocean, Antarctica, 31 May 2021 13:33 GMT (12 km SW)3.6 quake South Atlantic Ocean, Antarctica, 31 May 2021 13:27 GMT (15 km SW)3.3 quake South Atlantic Ocean, Antarctica, 31 May 2021 13:39 GMT (13 km SW)3.3 quake South Atlantic Ocean, Antarctica, 31 May 2021 13:32 GMT (13 km SW)3.2 quake South Atlantic Ocean, Antarctica, 31 May 2021 13:37 GMT (14 km SW)All earthquakes at Penguin Island

Ruapehu volcano (North Island): 5 earthquakes up to magnitude 2.2

5 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 23 minutes ago. Hypocenter depths ranged between 11.3 and 0.0 km.
Earthquake details:
2.2 quake 18 km north of Waiouru, Ruapehu District, Manawatu-Wanganui, New Zealand, 1 June 2021 01:58 GMT (10 km ESE)1.2 quake New Zealand 1 June 2021 10:12 GMT (11 km W)1.0 quake 19 km north of Waiouru, Ruapehu District, Manawatu-Wanganui, New Zealand, 1 June 2021 05:10 GMT (10 km ESE)0.6 quake New Zealand 1 June 2021 12:27 GMT (8 km W)0.5 quake New Zealand 31 May 2021 15:31 GMT (16 km WNW)All earthquakes at Ruapehu

Vulcano volcano (Eolian Islands): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.8 km depth at 10 km distance SW from the volcano.
Earthquake details:
3.0 quake Tyrrhenian Sea, 16 km south of Lipari Island, Sicily, Italy, 31 May 2021 13:16 GMT (10 km SW)All earthquakes at Vulcano
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