Volcano earthquake report for Sunday, 18 Aug 2024

Quakes detected near: Akyarlar (2 quakes between mag 1.3-3.0), Askja (2 quakes between mag 0.9-1.1), Bardarbunga (1 quake mag 2.5), Biliran (1 quake mag 1.6), Brennisteinsfjöll (5 quakes between mag 0.4-1.0), Campi Flegrei (Phlegrean Fields) (24 quakes between mag 1.0-2.8)
Clear Lake (12 quakes between mag 0.7-1.5), Coso (4 quakes between mag 0.7-1.0), Eldey (8 quakes between mag 0.8-1.8), Etna (3 quakes between mag 1.0-1.5), Eyafjallajökull (3 quakes between mag 0.5-1.0), Golden Trout Creek (1 quake mag 1.7), Graciosa (7 quakes between mag 2.1-3.2), Hekla (2 quakes between mag 0.5-1.1), Hengill (33 quakes between mag 0.1-2.0), Ilopango (1 quake mag 2.5), Kilauea (12 quakes between mag 1.7-2.1), La Palma (1 quake mag 1.5), Ljósufjöll (6 quakes between mag 1.4-1.9), Loihi (1 quake mag 2.6), Loki-Fögrufjöll volcano (1 quake mag 1.8), Maroa (1 quake mag 2.4), Miravalles (1 quake mag 3.3), Mount St. Helens (2 quakes between mag 0.4-1.0), Svartsengi (53 quakes between mag 0.0-2.5), Taupo (1 quake mag 2.0), Tenerife (1 quake mag 1.4), Terceira (2 quakes between mag 1.5-2.7), Tjörnes Fracture Zone (3 quakes between mag 1.1-1.9), Torfajökull (1 quake mag 1.2), Vatnafjöll (1 quake mag 1.2), Vulcano (1 quake mag 2.6), White Island (2 quakes between mag 3.3-3.4) (updated 22h50)

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): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 10.0 and 8.3 km.
Earthquake details:
Reported seismic-like event (likely no quake): 4.6 km west of Kos, Dodecanese, South Aegean, Greece, Aug 18, 2024 10:01 pm (GMT +3) (12 km SW)
1.3 quake Aegean Sea, 12 km southwest of Bodrum, Mugla, Turkey, Aug 18, 2024 06:10 am (Istanbul time) (5 km SE)
All earthquakes at Akyarlar

Bardarbunga volcano (Iceland): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.4 km depth at 4 km distance NNE from the volcano.
Earthquake details:
2.5 quake 2.7 km NE of Bárðarbunga Aug 17, 2024 11:08 pm (Reykjavik time) (4 km NNE)
All earthquakes at Bardarbunga

Campi Flegrei (Phlegrean Fields) volcano (Italy): 24 earthquakes up to magnitude 2.8

Possible earthquake swarm: 24 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 49 minutes ago. Hypocenter depths ranged between 2.5 and 0.1 km.
Earthquake details: (only 5 largest)
2.8 quake 11 km west of Naples, Napoli, Campania, Italy, Aug 18, 2024 02:29 am (Rome time) (1 km S)
2.1 quake 5.3 km west of Fuorigrotta, Napoli, Campania, Italy, Aug 18, 2024 02:16 am (Rome time) (1 km S)
1.6 quake 5.6 km west of Fuorigrotta, Napoli, Campania, Italy, Aug 18, 2024 01:35 am (Rome time) (1 km SSW)
1.6 quake 4.2 km west of Fuorigrotta, Napoli, Campania, Italy, Aug 18, 2024 01:59 am (Rome time) (1 km ESE)
1.6 quake Tyrrhenian Sea, 23 km northeast of Ischia Island, Campania, Italy, Aug 18, 2024 04:00 am (Rome time) (1 km SW)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 12 earthquakes up to magnitude 1.5

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 3.2 and 0.3 km.
Earthquake details: (only 5 largest)
1.5 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Aug 17, 2024 04:37 pm (Los Angeles time) (18 km S)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Aug 18, 2024 03:40 am (Los Angeles time) (16 km SSW)
1.2 quake Lake County, 27 mi north of Santa Rosa, Sonoma County, California, United States, Aug 17, 2024 07:24 pm (Los Angeles time) (16 km S)
1.1 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Aug 18, 2024 03:25 am (Los Angeles time) (16 km SSW)
1.1 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, Aug 17, 2024 05:27 pm (Los Angeles time) (15 km S)
All earthquakes at Clear Lake

Graciosa volcano (Azores): 7 earthquakes up to magnitude 3.2

7 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 7.5 and 5.0 km.
Earthquake details: (only 5 largest)
3.2 quake North Atlantic Ocean, 18 km southeast of Graciosa Island, Azores, Portugal, Aug 18, 2024 10:50 am (Azores time) (14 km ESE)
3.2 quake North Atlantic Ocean, 19 km southeast of Graciosa Island, Azores, Portugal, Aug 18, 2024 01:54 pm (Azores time) (14 km ESE)
2.6 quake North Atlantic Ocean, 19 km southeast of Graciosa Island, Azores, Portugal, Aug 18, 2024 01:52 pm (Azores time) (14 km ESE)
2.4 quake North Atlantic Ocean, 18 km southeast of Graciosa Island, Azores, Portugal, Aug 18, 2024 04:11 pm (Azores time) (14 km ESE)
2.2 quake North Atlantic Ocean, 21 km east of Graciosa Island, Azores, Portugal, Aug 18, 2024 04:56 pm (Azores time) (17 km E)
All earthquakes at Graciosa

Hengill volcano (Iceland): 33 earthquakes up to magnitude 2.0

Possible earthquake swarm: 33 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 1 hour 54 minutes ago. Hypocenter depths ranged between 7.0 and 2.1 km.
Earthquake details: (only 5 largest)
2.0 quake 1.6 km ENE of Eiturhóll Aug 18, 2024 04:56 pm (Reykjavik time) (6 km SSW)
1.4 quake Iceland: 2.2 km E of Eiturhóll Aug 18, 2024 06:15 pm (Reykjavik time) (6 km SSW)
1.2 quake Iceland: 2.5 km ENE of Eiturhóll Aug 18, 2024 05:34 pm (Reykjavik time) (5 km SSW)
1.1 quake 2.2 km NNW of Skeggi_á_Hengli Aug 18, 2024 04:50 pm (Reykjavik time) (8 km S)
1.0 quake Iceland: 2.2 km E of Eiturhóll Aug 18, 2024 05:06 pm (Reykjavik time) (6 km SSW)
All earthquakes at Hengill

Ilopango volcano (El Salvador): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 7.0 km depth at 5 km distance ENE from the volcano.
Earthquake details:
2.5 quake 18 km east of San Salvador, San Salvador, El Salvador, Aug 17, 2024 10:18 pm (El Salvador time) (5 km ENE)
All earthquakes at Ilopango

Kilauea volcano (Hawai'i (Big Island)): 12 earthquakes up to magnitude 2.1

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 15 minutes ago. Hypocenter depths ranged between 32.2 and 0.1 km.
Earthquake details: (only 5 largest)
2.1 quake 25 mi southwest of Hilo, Hawaii County, Hawaii, United States, Aug 18, 2024 01:24 am (Honolulu time) (1 km ENE)
2.1 quake 9 km SE of Volcano, Hawaii, Aug 17, 2024 05:17 pm (Honolulu time) (12 km ESE)
1.9 quake 36 mi southwest of Hilo, Hawaii County, Hawaii, United States, Aug 18, 2024 07:20 am (Honolulu time) (17 km SSW)
1.9 quake 25 mi south of Hilo, Hawaii County, Hawaii, United States, Aug 17, 2024 01:15 pm (Honolulu time) (11 km ESE)
1.8 quake 6 km SSW of Volcano, Hawaii, Aug 18, 2024 08:54 am (Honolulu time) (5 km ESE)
All earthquakes at Kilauea

Loihi volcano (Hawai'i (Big Island)): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 45.0 km depth at 8 km distance E from the volcano.
Earthquake details:
2.6 quake North Pacific Ocean, 57 mi south of Hilo, Hawaii County, Hawaii, United States, Aug 18, 2024 05:07 am (GMT -10) (8 km E)
All earthquakes at Loihi

Maroa volcano (New Zealand): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.4 km depth at 18 km distance SW from the volcano.
Earthquake details:
2.4 quake 24 km northwest of Taupo, Waikato, New Zealand, Aug 18, 2024 12:56 pm (Auckland time) (18 km SW)
All earthquakes at Maroa

Miravalles volcano (Costa Rica): 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 3.0 km depth at 8 km distance NNE from the volcano.
Earthquake details:
3.3 quake 15 km south of San José, Alajuela, Costa Rica, Aug 17, 2024 10:49 pm (GMT -6) (8 km NNE)
All earthquakes at Miravalles

Svartsengi volcano (Reykjanes Peninsula, Iceland): 53 earthquakes up to magnitude 2.5

Possible earthquake swarm: 53 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 27 minutes ago. Hypocenter depths ranged between 8.1 and 0.7 km.
Earthquake details: (only 5 largest)
2.5 quake Iceland: 0.7 km NNW of Hagafell Aug 18, 2024 12:03 pm (Reykjavik time) (0 km ESE)
1.8 quake Iceland: 0.4 km WSW of Hagafell Aug 18, 2024 02:54 pm (Reykjavik time) (1 km SSE)
1.5 quake Iceland: 1.0 km S of Þorbjörn Aug 18, 2024 02:57 am (Reykjavik time) (2 km SSW)
1.3 quake Iceland: 1.5 km WNW of Grindavík Aug 18, 2024 09:23 pm (Reykjavik time) (4 km SW)
1.3 quake Iceland: 0.6 km WSW of Hagafell Aug 17, 2024 11:12 pm (Reykjavik time) (1 km S)
All earthquakes at Svartsengi

Terceira volcano (Azores): 2 earthquakes up to magnitude 2.7

2 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 0 and 0.0 km.
Earthquake details:
2.7 quake 15 km northwest of Angra do Heroismo, Azores, Portugal, Aug 18, 2024 04:10 am (Azores time) (3 km W)
1.5 quake 1.8 km west of Santa Barbara, Azores, Portugal, Aug 18, 2024 02:46 pm (GMT +0) (6 km SW)
All earthquakes at Terceira

Vulcano volcano (Eolian Islands): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.0 km depth at 18 km distance SSE from the volcano.
Earthquake details:
2.6 quake Tyrrhenian Sea, 17 km southeast of Vulcano Island, Messina, Sicily, Italy, Aug 18, 2024 08:36 am (GMT +0) (18 km SSE)
All earthquakes at Vulcano

White Island volcano (New Zealand): 2 earthquakes up to magnitude 3.4

2 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 36.6 and 5.0 km.
Earthquake details:
3.4 quake South Pacific Ocean, 41 km northeast of Whakatane, Bay of Plenty, New Zealand, Aug 19, 2024 02:10 am (Auckland time) (18 km SSE)
3.3 quake South Pacific Ocean, 62 km northeast of Whakatane, Bay of Plenty, New Zealand, Aug 18, 2024 10:03 pm (Auckland time) (17 km E)
All earthquakes at White Island
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