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Volcano earthquake report for Sunday, 18 Jul 2021

dim., 18 juil. 2021, 23:50
23:50 PM | AUTEUR : EARTHQUAKEMONITOR
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 18 Jul 2021 Number in brackets indicate nr of quakes.
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius during the past 24 hours on 18 Jul 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Akyarlar (1 quake mag 1.7), Bardarbunga (1 quake mag 1.3), Brennisteinsfjöll (2 quakes between mag 0.2-1.3), Cerro el Ciguatepe (2 quakes between mag 1.6-1.7), Clear Lake (16 quakes between mag 0.4-1.3), Coso (3 quakes between mag 0.8-1.5)
Etna (1 quake mag 3.0), Hekla (2 quakes between mag 0.5-1.1), Herdubreid (6 quakes between mag 0.3-1.0), Hiuchi (4 quakes between mag 2.6-4.4), Kaguyak (1 quake mag 1.4), Kalatungan (1 quake mag 2.0), Katla (7 quakes between mag 0.1-1.7), Kilauea (4 quakes between mag 1.7-2.2), Martin (1 quake mag 1.8), Nisyros (4 quakes between mag 1.7-2.5), San Vicente (3 quakes between mag 2.0-2.4), Sibayak (1 quake mag 2.5), Sousaki (1 quake mag 1.0), Vesuvius (5 quakes between mag 0.5-1.5), Yake-dake (1 quake mag 3.7) (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:




Clear Lake volcano (California): 16 earthquakes up to magnitude 1.3

Possible earthquake swarm: 16 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 2.9 and 0.4 km.
Earthquake details: (only 5 largest)
1.3 quake 6km NW of The Geysers, CA, 18 July 2021 18:27 GMT (16 km S)
1.3 quake 3km SSW of Cobb, CA, 18 July 2021 18:07 GMT (19 km S)
1.1 quake 2km SW of Cobb, CA, 18 July 2021 09:57 GMT (18 km S)
0.9 quake 5km WNW of Cobb, CA, 18 July 2021 13:27 GMT (15 km S)
0.9 quake 8km W of Cobb, CA, 18 July 2021 12:15 GMT (16 km SSW)
All earthquakes at Clear Lake

Etna volcano (Italy): magnitude 3.0 earthquake

A magnitude 3.0 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 0 km distance SW from the volcano.
Earthquake details:
Unconfirmed quake reported: 30 km north of Catania, Sicily, Italy, 18 July 2021 15:05 GMT (0 km SW)
All earthquakes at Etna

Hiuchi volcano (Honshu): 4 earthquakes up to magnitude 4.4

4 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 4.6 and 3.7 km.
Earthquake details:
4.4 quake Gunma, 46 km east of Tōkamachi, Niigata, Japan, 18 Jul 2021 6:50 pm (GMT +9) (10 km N)
4.2 quake Minamiaizu-gun, Fukushima, 46 km east of Tōkamachi, Niigata, Japan, 18 Jul 2021 7:11 pm (GMT +9) (12 km N)
2.8 quake Gunma, 46 km east of Tōkamachi, Niigata, Japan, Jul 19, 2021 05:05:45.22 (10 km N)
2.6 quake Minamiaizu-gun, Fukushima, 46 km east of Tōkamachi, Niigata, Japan, Jul 18, 2021 22:10:12.27 (12 km N)
All earthquakes at Hiuchi

Kilauea volcano (Hawai'i (Big Island)): 4 earthquakes up to magnitude 2.2

4 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 2.9 and 0.4 km.
Earthquake details:
2.2 quake 10 Km WSW of Volcano, Hawaii, 18 July 2021 09:29 GMT (4 km W)
1.8 quake 13 Km SSE of Volcano, Hawaii, 18 July 2021 18:01 GMT (14 km ESE)
1.8 quake 7 Km SW of Volcano, Hawaii, 18 July 2021 06:58 GMT (2 km SSE)
1.7 quake 7 Km SSE of Volcano, Hawaii, 18 July 2021 14:06 GMT (8 km ESE)
All earthquakes at Kilauea

Nisyros volcano (Greece): 4 earthquakes up to magnitude 2.5

4 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 11.0 and 6.8 km.
Earthquake details:
2.5 quake Aegean Sea, 63 km south of Kos Town, Dodecanese, South Aegean, Greece, 18 July 2021 00:13 GMT (19 km SSW)
1.8 quake Aegean Sea, 30 km southwest of Kos Town, Dodecanese, South Aegean, Greece, 18 July 2021 05:42 GMT (8 km N)
1.7 quake Aegean Sea, 48 km south of Kos Town, Dodecanese, South Aegean, Greece, 18 July 2021 06:11 GMT (12 km S)
1.7 quake Aegean Sea, 90 km west of Rhodes, Dodecanese, South Aegean, Greece, 18 July 2021 06:42 GMT (19 km SSE)
All earthquakes at Nisyros

San Vicente volcano (El Salvador): 3 earthquakes up to magnitude 2.4

3 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 16 hours ago. Hypocenter depths ranged between 9.0 and 8.0 km.
Earthquake details:
2.4 quake 15 km southeast of San Vincente, Departamento de San Vicente, El Salvador, 2021-07-17 21:02:41 (17 km E)
2.2 quake 13 km east of San Vincente, Departamento de San Vicente, El Salvador, 2021-07-17 21:50:48 (17 km E)
2.0 quake 14 km southeast of San Vincente, Departamento de San Vicente, El Salvador, 2021-07-18 01:32:28 (16 km ESE)
All earthquakes at San Vicente

Sibayak volcano (Sumatra): 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 10.0 km depth at 10 km distance ENE from the volcano.
Earthquake details:
2.5 quake 13 km northeast of Berastagi, North Sumatra, Indonesia, 18 July 2021 16:28 GMT (10 km ENE)
All earthquakes at Sibayak

Unnamed 24.00°N/121.83°E volcano (Taiwan): magnitude 4.2 earthquake

A magnitude 4.2 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.0 km depth at 18 km distance W from the volcano.
Earthquake details:
4.2 quake Philippines Sea, 6.7 km northeast of Hualien City, Taiwan, 18 Jul 7:25 pm (GMT +8) (18 km W)
All earthquakes at Unnamed 24.00°N/121.83°E

Yake-dake volcano (Honshu): magnitude 3.7 earthquake

A magnitude 3.7 earthquake occurred at the volcano 10 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.4 km depth at 7 km distance ESE from the volcano.
Earthquake details:
3.7 quake 27 km west of Matsumoto, Nagano, Japan, Jul 18, 2021 23:09:06.56 (7 km ESE)
All earthquakes at Yake-dake

Actualités précédentes

sam., 17 juil. 2021, 23:50
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 17 Jul 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Askja (2 quakes between mag 0.1-1.0), Brennisteinsfjöll (3 quakes between mag 0.8-1.0), Clear Lake (17 quakes between mag 0.2-2.0), Coso (3 quakes between mag 0.8-1.4), Herdubreid (3 quakes between mag 0.3-1.0), Hiuchi (1 quake mag 2.5) ... Read all
ven., 16 juil. 2021, 23:50
World map showing volcanoes with shallow (less than 20 km) earthquakes within 20 km radius  during the past 24 hours on 16 Jul 2021 Number in brackets indicate nr of quakes.
Quakes detected near: Auckland Field (1 quake mag 3.0), Buzzard Creek (1 quake mag 1.5), Campi Flegrei (Phlegrean Fields) (3 quakes between mag 0.6-3.0), Chiquimula Volcanic Field (1 quake mag 3.2), Clear Lake (14 quakes between mag 0.4-2.3), Coso (7 quakes between mag 0.3-1.1) ... Read all
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