Volcano earthquake report for Wednesday, 12 Jul 2023
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 12 Jul 2023 Number in brackets indicate nr of quakes.

Quakes detected near: Auckland Field (1 quake mag 3.0), Brennisteinsfjöll (4 quakes between mag 0.1-1.1), Clear Lake (29 quakes between mag 0.3-1.8), Fagradalsfjall (9 quakes between mag 0.2-1.3), Fayal (1 quake mag 2.0), Hrómundartindur (10 quakes between mag 0.3-2.9)
Ischia (1 quake mag 3.0), Kilauea (1 quake mag 2.3), Krísuvík (75 quakes between mag 0.1-2.3), La Palma (2 quakes between mag 1.4-1.5), Lipari (2 quakes between mag 1.5-2.5), Machin (1 quake mag 2.4), Mageik (3 quakes between mag 0.1-1.2), Mammoth Mountain (2 quakes between mag 0.5-1.2), Maroa (1 quake mag 1.8), Martin (13 quakes between mag 0.1-1.9), Maunaloa (1 quake mag 1.9), Natib (1 quake mag 3.0), Okataina (Tarawera) (1 quake mag 1.3), Porak (1 quake mag 3.0), Prestahnukur (1 quake mag 2.0), Reporoa (1 quake mag 3.0), Reykjanes (16 quakes between mag 0.1-2.9), Salton Buttes (2 quakes between mag 1.9-2.0), Santa Clara (1 quake mag 3.0), Sousaki (1 quake mag 2.4), São Jorge (1 quake mag 2.2), Tenerife (4 quakes between mag 0.4-1.2), Tjörnes Fracture Zone (2 quakes between mag 0.9-1.0), Öraefajökull (2 quakes between mag 0.8-1.2) (updated 10h50)

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:



Auckland Field volcano (North Island): 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 5 km distance SSE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 62 km west of Thames, Waikato, New Zealand, Jul 12, 2023 2:56 pm (GMT +12) (5 km SSE)
All earthquakes at Auckland Field

Clear Lake volcano (California): 29 earthquakes up to magnitude 1.8

Possible earthquake swarm: 29 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 43 minutes ago. Hypocenter depths ranged between 4.1 and 0.7 km.
Earthquake details: (only 5 largest)
1.8 quake 8 mi east of Cloverdale, Sonoma County, California, USA, Jul 11, 2023 10:12 pm (GMT -7) (17 km SSW)
1.7 quake 7 Km NW of The Geysers, CA, Jul 11, 2023 6:13 pm (GMT -7) (16 km S)
1.2 quake 7 Km WNW of The Geysers, CA, Jul 11, 2023 6:12 pm (GMT -7) (18 km SSW)
1.2 quake 9 Km WNW of Cobb, CA, Jul 11, 2023 9:31 am (GMT -7) (15 km SSW)
1.1 quake Northern California Jul 11, 2023 10:09 am (GMT -7) (16 km S)
All earthquakes at Clear Lake

Hrómundartindur volcano (Iceland): 10 earthquakes up to magnitude 2.9

10 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 7.2 and 2.1 km.
Earthquake details: (only 5 largest)
2.9 quake Iceland: 2.6 Km WSW of Litla_Kaffistofan Jul 11, 2023 12:14 pm (GMT +0) (17 km W)
2.3 quake Iceland: 2.6 Km WSW of Litla_Kaffistofan Jul 11, 2023 12:21 pm (GMT +0) (17 km W)
1.5 quake Iceland: 2.5 Km SW of Litla_Kaffistofan Jul 11, 2023 12:33 pm (GMT +0) (17 km W)
1.3 quake Iceland: 3.8 Km N of Hveragerði Jul 12, 2023 3:18 am (GMT +0) (5 km S)
1.2 quake Iceland: 2.5 Km WSW of Litla_Kaffistofan Jul 11, 2023 2:06 pm (GMT +0) (17 km W)
All earthquakes at Hrómundartindur

Ischia 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 3 km distance NE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 25 km southwest of Pianura, Neapel, Campania, Italy, Jul 12, 2023 1:40 am (GMT +2) (3 km NE)
All earthquakes at Ischia

Kilauea volcano (Hawai'i (Big Island)): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.1 km depth at 14 km distance SE from the volcano.
Earthquake details:
2.3 quake 29 mi south of Hilo, Hawaii County, USA, Jul 11, 2023 9:08 am (GMT -10) (14 km SE)
All earthquakes at Kilauea

Krísuvík volcano (Reykjanes Peninsula, Iceland): 75 earthquakes up to magnitude 2.3

Possible earthquake swarm: 75 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 29 minutes ago. Hypocenter depths ranged between 11.1 and 1.4 km.
Earthquake details: (only 5 largest)
2.3 quake Iceland: 0.3 Km NW of Keilir Jul 12, 2023 4:45 am (GMT +0) (4 km WNW)
2.0 quake Iceland: 6.3 Km NNE of Krýsuvík Jul 11, 2023 3:28 pm (GMT +0) (3 km ENE)
1.9 quake Iceland: 0.2 Km NE of Keilir Jul 12, 2023 6:26 am (GMT +0) (4 km WNW)
1.7 quake Iceland: 5.6 Km E of Keilir Jul 12, 2023 1:31 am (GMT +0) (2 km ENE)
1.6 quake Iceland: 0.2 Km NNW of Keilir Jul 12, 2023 1:52 am (GMT +0) (4 km WNW)
All earthquakes at Krísuvík

Lipari volcano (Eolian Islands): 2 earthquakes up to magnitude 2.5

2 earthquakes occurred near (under) the volcano during 59 minutes, the last being recorded quake 16 hours ago. Hypocenter depths ranged between 11.2 and 7.8 km.
Earthquake details:
2.5 quake Tyrrhenian Sea, 49 km northwest of Milazzo, Province of Messina, Sicily, Italy, Jul 11, 2023 8:15 pm (GMT +2) (15 km WSW)
1.5 quake Italy: Isole Eolie (Messina) Jul 11, 2023 9:14 pm (GMT +2) (16 km WSW)
All earthquakes at Lipari

Machin volcano (Colombia): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.9 km depth at 0 km distance SW from the volcano.
Earthquake details:
2.4 quake 18 km west of Ibagué, Departamento de Tolima, Colombia, Jul 11, 2023 2:04 pm (GMT -5) (0 km SW)
All earthquakes at Machin

Martin volcano (Alaska Peninsula): 13 earthquakes up to magnitude 1.9

Possible earthquake swarm: 13 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 16 minutes ago. Hypocenter depths ranged between 21.6 and 0.0 km.
Earthquake details: (only 5 largest)
1.9 quake 59 mi southeast of King Salmon, Bristol Bay, Alaska, USA, Jul 11, 2023 8:51 am (GMT -8) (1 km N)
1.4 quake 89 Km NW of Karluk, Alaska, Jul 11, 2023 10:37 pm (GMT -8) (4 km WNW)
1.4 quake 88 Km NW of Karluk, Alaska, Jul 11, 2023 9:49 pm (GMT -8) (3 km NW)
1.1 quake 87 Km NW of Karluk, Alaska, Jul 11, 2023 10:58 pm (GMT -8) (3 km W)
1.1 quake 87 Km NW of Karluk, Alaska, Jul 11, 2023 10:58 pm (GMT -8) (3 km W)
All earthquakes at Martin

Natib volcano (Luzon Island): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 17 km distance NW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 1.2 km southwest of ollong-gapo, Province of Zambales, Central Luzon, Philippines, Jul 11, 2023 11:12 pm (GMT +8) (17 km NW)
All earthquakes at Natib

Porak volcano (Armenia): 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 15 km distance WNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 38 km north of Yeghegnadzor, Vayots Dzor, Armenia, Jul 12, 2023 3:57 am (GMT +4) (15 km WNW)
All earthquakes at Porak

Reporoa volcano (New Zealand): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.0 km depth at 17 km distance SSW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 20 km northeast of Taupo, Waikato, New Zealand, Jul 12, 2023 8:35 pm (GMT +12) (17 km SSW)
All earthquakes at Reporoa

Reykjanes volcano (Reykjanes Peninsula, Iceland): 16 earthquakes up to magnitude 2.9

Possible earthquake swarm: 16 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 6.6 and 1.1 km.
Earthquake details: (only 5 largest)
2.9 quake Iceland: 5.2 Km NNW of Grindavík Jul 12, 2023 4:31 am (GMT +0) (2 km SE)
2.5 quake Iceland: 5.2 Km NNW of Grindavík Jul 12, 2023 4:41 am (GMT +0) (2 km SE)
1.9 quake Iceland: 6.0 Km NE of Reykjanestá Jul 11, 2023 11:13 am (GMT +0) (8 km SW)
1.5 quake Iceland: 4.8 Km NNW of Grindavík Jul 12, 2023 4:30 am (GMT +0) (2 km SE)
1.4 quake Iceland: 5.4 Km NNW of Grindavík Jul 12, 2023 4:34 am (GMT +0) (2 km SE)
All earthquakes at Reykjanes

Santa Clara volcano (Utah): 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 SSE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 2.1 km south of St. George, Washington County, Utah, USA, Jul 11, 2023 8:46 pm (GMT -6) (19 km SSE)
All earthquakes at Santa Clara

Sousaki volcano (Greece): magnitude 2.4 earthquake

A magnitude 2.4 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 17 km distance SSE from the volcano.
Earthquake details:
2.4 quake 24 km southeast of Corinto, Corinthia, Peloponnese, Greece, Jul 12, 2023 12:14 am (GMT +3) (17 km SSE)
All earthquakes at Sousaki

São Jorge volcano (Azores): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.0 km depth at 10 km distance WNW from the volcano.
Earthquake details:
2.2 quake Sao Jorge, 1.6 km north of Velas, Azores, Portugal, Jul 12, 2023 6:55 am (GMT +0) (10 km WNW)
All earthquakes at São Jorge
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/215729/Volcano-earthquake-report-for-Wednesday-12-Jul-2023.html