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Volcano earthquake report for Friday, 4 Apr 2025

World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 4 Apr 2025 Number in brackets indicate nr of quakes.

Quakes detected near: Abu (23 quakes between mag 0.3-1.1), Aoba (1 quake mag 1.9), Cabalian (2 quakes between mag 1.6-1.7), Campi Flegrei (Phlegrean Fields) (9 quakes between mag 0.1-3.0), Canlaon (1 quake mag 2.0), Clear Lake (43 quakes between mag 0.2-2.2)
Cuernos de Negros (1 quake mag 1.8), Eldey (35 quakes between mag 0.1-2.1), Eyafjallajökull (4 quakes between mag 0.2-2.2), Fagradalsfjall (149 quakes between mag 0.1-2.3), Hakone (2 quakes between mag 0.4-1.0), Hengill (1 quake mag 1.1), Kilauea (3 quakes between mag 1.3-1.8), Kirishima (1 quake mag 1.0), Kolumbo (33 quakes between mag 1.1-2.3), Komaga-take (1 quake mag 1.4), Krísuvík (171 quakes between mag 0.1-3.6), Kuju (2 quakes between mag 1.1-1.5), Kurikoma (4 quakes between mag 0.4-1.1), Lewotolo (1 quake mag 2.7), Loihi (1 quake mag 2.3), Lysuhóll (1 quake mag 1.4), Malang Plain (1 quake mag 2.4), Merbabu (1 quake mag 2.0), Methana (2 quakes between mag 0.0-1.8), Mount Hood (15 quakes between mag 0.0-1.1), Naolinco (1 quake mag 3.3), Platanar (3 quakes between mag 2.0-3.3), Sanbe (1 quake mag 1.7), Santa Clara (1 quake mag 3.0), Santorini (9 quakes between mag 0.9-3.1), Semeru (1 quake mag 1.8), Sousaki (3 quakes between mag 0.9-2.3), Svartsengi (34 quakes between mag 0.1-3.0), Taal (1 quake mag 1.4), Taupo (1 quake mag 1.9), Tenerife (1 quake mag 1.6), Tenorio (1 quake mag 2.4), Tongariro (1 quake mag 1.3), Veniaminof (3 quakes between mag 0.9-1.2), Vesuvius (3 quakes between mag 0.1-1.3) (updated 00h50)

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:

Abu volcano (Honshu): 23 earthquakes up to magnitude 1.1

Possible earthquake swarm: 23 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 29.40 and 26.00 km.
Earthquake details: (only 5 largest)
1.1 quake 33 km north of Yamaguchi, Yamaguchi, Japan, Apr 3, 2025 02:19 pm (GMT +9) (4 km S)
1.0 quake 33 km north of Yamaguchi, Yamaguchi, Japan, Apr 3, 2025 02:51 pm (GMT +9) (4 km SSW)
0.9 quake 33 km north of Yamaguchi, Yamaguchi, Japan, Apr 3, 2025 10:28 pm (GMT +9) (4 km SSW)
0.9 quake 34 km north of Yamaguchi, Yamaguchi, Japan, Apr 3, 2025 01:25 pm (GMT +9) (4 km S)
0.9 quake 33 km north of Yamaguchi, Yamaguchi, Japan, Apr 3, 2025 07:23 pm (GMT +9) (5 km S)
All earthquakes at Abu

Campi Flegrei (Phlegrean Fields) volcano (Italy): 9 earthquakes up to magnitude 3.0

9 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 10.00 and 0.02 km.
Earthquake details: (only 5 largest)
Reported seismic-like event (likely no quake): 19 km west of Naples, Napoli, Campania, Italy, Apr 3, 2025 11:06 pm (GMT +2) (12 km NW)
1.0 quake Tyrrhenian Sea, 21 km northeast of Ischia Island, Campania, Italy, Apr 3, 2025 02:07 pm (Universal Time) (3 km W)
0.2 quake Tyrrhenian Sea, 23 km northeast of Ischia Island, Campania, Italy, Apr 3, 2025 12:32 pm (Universal Time) (2 km SSE)
0.1 quake 11 km west of Naples, Napoli, Campania, Italy, Apr 3, 2025 09:38 pm (Universal Time) (0 km SE)
0.1 quake Tyrrhenian Sea, 21 km northeast of Ischia Island, Campania, Italy, Apr 3, 2025 09:32 pm (Universal Time) (3 km SW)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 43 earthquakes up to magnitude 2.2

Possible earthquake swarm: 43 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 21 minutes ago. Hypocenter depths ranged between 3.64 and 0.59 km.
Earthquake details: (only 5 largest)
2.2 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Apr 3, 2025 11:11 am (GMT -7) (18 km SSW)
2.1 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Apr 3, 2025 02:48 am (GMT -7) (15 km SSW)
1.9 quake Sonoma County, 15 mi southwest of Clearlake, Lake County, California, United States, Apr 3, 2025 02:41 am (Universal Time) (18 km SSW)
1.4 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Apr 3, 2025 09:32 pm (Universal Time) (18 km S)
1.4 quake Lake County, 25 mi north of Santa Rosa, Sonoma County, California, United States, Apr 3, 2025 05:37 am (Universal Time) (19 km S)
All earthquakes at Clear Lake

Eldey volcano (Iceland): 35 earthquakes up to magnitude 2.1

Possible earthquake swarm: 35 earthquakes occurred near (under) the volcano during 13 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 23.10 and 1.10 km.
Earthquake details: (only 5 largest)
2.1 quake 6.6 km S of Reykjanestá Apr 3, 2025 03:54 am (Universal Time) (13 km E)
2.0 quake Iceland: 5.7 km NNE of Eldey Apr 3, 2025 03:49 am (Reykjavik time) (7 km NNE)
2.0 quake 5.4 km S of Reykjanestá Apr 3, 2025 05:09 am (Universal Time) (12 km E)
1.6 quake Iceland: 7.0 km NNE of Geirfuglasker Apr 3, 2025 07:27 am (Reykjavik time) (8 km WNW)
1.6 quake Iceland: 5.8 km SSW of Reykjanestá Apr 3, 2025 04:25 am (Reykjavik time) (13 km E)
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.

Eyafjallajökull volcano (Iceland): 4 earthquakes up to magnitude 2.2

4 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 19 minutes ago. Hypocenter depths ranged between 18.40 and 1.10 km.
Earthquake details:
2.2 quake Iceland: 7.9 km NE of Skógar Apr 3, 2025 06:20 pm (Reykjavik time) (12 km ESE)
1.2 quake Iceland: 3.9 km ENE of Skógar Apr 4, 2025 12:31 am (Reykjavik time) (14 km SE)
0.4 quake 7.6 km WSW of Básar Apr 3, 2025 01:19 am (Universal Time) (2 km N)
0.2 quake Iceland: 11.9 km WSW of Básar Apr 3, 2025 10:34 am (Reykjavik time) (3 km W)
All earthquakes at Eyafjallajökull

Fagradalsfjall volcano (Reykjanes Peninsula, Iceland): 149 earthquakes up to magnitude 2.3

Possible earthquake swarm: 149 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 1 hour 11 minutes ago. Hypocenter depths ranged between 11.60 and 0.10 km.
Earthquake details: (only 5 largest)
2.3 quake Iceland: 4.0 km WNW of Keilir Apr 3, 2025 06:14 pm (Reykjavik time) (7 km N)
2.2 quake 4.2 km W of Keilir Apr 3, 2025 09:35 am (Universal Time) (6 km N)
2.0 quake 5.1 km NNE of Stóra-Skógfell Apr 3, 2025 01:39 am (Universal Time) (7 km NW)
1.9 quake 4.1 km W of Keilir Apr 3, 2025 06:47 am (Universal Time) (6 km N)
1.9 quake 4.0 km W of Keilir Apr 3, 2025 12:56 pm (Universal Time) (6 km N)
All earthquakes at Fagradalsfjall

Kolumbo volcano (Greece): 33 earthquakes up to magnitude 2.3

Possible earthquake swarm: 33 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 25 minutes ago. Hypocenter depths ranged between 16.96 and 5.00 km.
Earthquake details: (only 5 largest)
2.3 quake Aegean Sea, 28 km northwest of Anafi Island, Cyclades, South Aegean, Greece, Apr 3, 2025 05:53 am (GMT +3) (18 km ENE)
2.0 quake Aegean Sea, 24 km northeast of Santorini Island, Cyclades, South Aegean, Greece, Apr 3, 2025 10:06 pm (GMT +3) (13 km NE)
1.8 quake Aegean Sea, 28 km southeast of Heraklia Island, Cyclades, South Aegean, Greece, Apr 3, 2025 01:09 am (Universal Time) (18 km NE)
1.8 quake Aegean Sea, 27 km southeast of Heraklia Island, Cyclades, South Aegean, Greece, Apr 3, 2025 02:08 am (Universal Time) (18 km NE)
1.8 quake Aegean Sea, 26 km northeast of Santorini Island, Cyclades, South Aegean, Greece, Apr 3, 2025 04:32 am (Universal Time) (15 km ENE)
All earthquakes at Kolumbo

Krísuvík volcano (Reykjanes Peninsula, Iceland): 171 earthquakes up to magnitude 3.6

Possible earthquake swarm: 171 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 31 minutes ago. Hypocenter depths ranged between 13.30 and 0.10 km.
Earthquake details: (only 5 largest)
3.6 quake 5.1 km N of Krýsuvík Apr 3, 2025 06:04 pm (Universal Time) (2 km E)
3.4 quake Iceland Region Apr 3, 2025 06:03 pm (Universal Time) (3 km ENE)
3.4 quake Sudurnes, 23 km south of Reykjavik, Capital, Iceland, Apr 3, 2025 10:54 pm (GMT +0) (2 km ENE)
3.1 quake 23 km south of Reykjavik, Capital, Iceland, Apr 3, 2025 05:38 pm (Reykjavik time) (3 km ENE)
3.0 quake 23 km south of Reykjavik, Capital, Iceland, Apr 3, 2025 06:17 pm (Reykjavik time) (3 km ENE)
All earthquakes at Krísuvík

Lewotolo volcano (Lesser Sunda Islands): magnitude 2.7 earthquake

A magnitude 2.7 earthquake occurred at the volcano 1 hour 52 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 15 km distance NNE from the volcano.
Earthquake details:
2.7 quake Banda Sea, 31 km north of Pulau Kawula Island, East Nusa Tenggara, Indonesia, Apr 4, 2025 06:57 am (GMT +8) (15 km NNE)
All earthquakes at Lewotolo

Loihi volcano (Hawai’i (Big Island)): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 31.34 km depth at 19 km distance NNW from the volcano.
Earthquake details:
2.3 quake North Pacific Ocean, 12 mi southeast of Pāhala, Hawaii County, Hawaii, United States, Apr 2, 2025 05:55 pm (GMT -10) (19 km NNW)
All earthquakes at Loihi

Malang Plain volcano (East Java): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 48.00 km depth at 14 km distance ESE from the volcano.
Earthquake details:
2.4 quake 20 km east of Malang, Malang, East Java, Indonesia, Apr 3, 2025 09:18 pm (GMT +7) (14 km ESE)
All earthquakes at Malang Plain

Mount Hood volcano (Oregon): 15 earthquakes up to magnitude 1.1

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 5.88 and 5.03 km.
Earthquake details: (only 5 largest)
1.1 quake Hood River County, 38 mi east of Gresham, Multnomah County, Oregon, United States, Apr 3, 2025 01:01 pm (Universal Time) (5 km S)
1.0 quake Hood River County, 31 mi southwest of The Dalles, Wasco County, Oregon, United States, Apr 3, 2025 02:48 am (Universal Time) (5 km S)
0.9 quake Hood River County, 31 mi southwest of The Dalles, Wasco County, Oregon, United States, Apr 3, 2025 12:38 pm (Universal Time) (5 km S)
0.8 quake Hood River County, 37 mi east of Gresham, Multnomah County, Oregon, United States, Apr 3, 2025 12:46 pm (Universal Time) (5 km S)
0.7 quake 5 km ENE of Government Camp, Oregon, Apr 3, 2025 01:02 pm (Universal Time) (5 km S)
All earthquakes at Mount Hood

Naolinco 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 8.70 km depth at 18 km distance S from the volcano.
Earthquake details:
3.3 quake 17 km east of Xalapa, Veracruz, Mexico, Apr 3, 2025 12:40 am (GMT -6) (18 km S)
All earthquakes at Naolinco

Platanar volcano (Costa Rica): 3 earthquakes up to magnitude 3.3

3 earthquakes occurred near (under) the volcano during 22 minutes, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 12.00 and 6.00 km.
Earthquake details:
3.3 quake 49 km northwest of San Jose, San Jose, Costa Rica, Apr 3, 2025 07:31 am (GMT -6) (8 km SW)
2.9 quake Provincia de Alajuela, 50 km northwest of San Jose, San Jose, Costa Rica, Apr 3, 2025 07:53 am (GMT -6) (9 km SW)
2.0 quake 11 km south of Quesada, Provincia de Alajuela, Costa Rica, Apr 3, 2025 07:53 am (GMT -6) (8 km SSW)
All earthquakes at Platanar

Santa Clara volcano (Utah): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 5 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 14 km distance S from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 2.5 mi northwest of St. George, Washington County, Utah, United States, Apr 3, 2025 01:44 pm (GMT -6) (14 km S)
All earthquakes at Santa Clara

Santorini volcano (Greece): 9 earthquakes up to magnitude 3.1

9 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 18.24 and 1.51 km.
Earthquake details: (only 5 largest)
3.1 quake Aegean Sea, 20 km northwest of Santorini Island, Cyclades, South Aegean, Greece, Apr 3, 2025 06:16 pm (GMT +3) (16 km NW)
2.3 quake Aegean Sea, 14 km northwest of Santorini Island, Cyclades, South Aegean, Greece, Apr 3, 2025 03:01 pm (GMT +3) (9 km NW)
1.6 quake Aegean Sea, 3.5 km northeast of Santorini Island, Cyclades, South Aegean, Greece, Apr 3, 2025 10:37 pm (Universal Time) (9 km ENE)
1.6 quake Aegean Sea, 2.6 km east of Santorini Island, Cyclades, South Aegean, Greece, Apr 3, 2025 03:15 pm (Universal Time) (8 km E)
1.4 quake Aegean Sea, 22 km southwest of Santorini Island, Cyclades, South Aegean, Greece, Apr 3, 2025 09:58 pm (Universal Time) (18 km SSW)
All earthquakes at Santorini

Sousaki volcano (Greece): 3 earthquakes up to magnitude 2.3

3 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 1 hour 30 minutes ago. Hypocenter depths ranged between 10.00 and 5.00 km.
Earthquake details:
2.3 quake Aegean Sea, 28 km west of Nisi Salamina Island, Attica, Greece, Apr 3, 2025 06:04 pm (GMT +3) (10 km ESE)
1.8 quake 5 km south of Corinth, Corinthia, Peloponnese, Greece, Apr 3, 2025 02:30 pm (Universal Time) (12 km WSW)
0.9 quake 40 km west of Athens, Nomarchia Athinas, Attica, Greece, Apr 3, 2025 11:20 pm (Universal Time) (18 km ENE)
All earthquakes at Sousaki

Svartsengi volcano (Reykjanes Peninsula, Iceland): 34 earthquakes up to magnitude 3.0

Possible earthquake swarm: 34 earthquakes occurred near (under) the volcano during 24 hours, the last being recorded quake 24 minutes ago. Hypocenter depths ranged between 18.00 and 1.10 km.
Earthquake details: (only 5 largest)
Reported seismic-like event (likely no quake): 3.1 km west of Reykjanesbaer, Sudurnes, Iceland, Apr 3, 2025 03:33 pm (GMT +0) (17 km NW)
1.5 quake 4.7 km ENE of Reykjanestá Apr 3, 2025 02:18 pm (Universal Time) (11 km WSW)
1.3 quake 0.6 km ENE of Stóra-Skógfell Apr 3, 2025 11:10 am (Universal Time) (4 km NE)
1.3 quake 6.7 km SE of Grindavík Apr 3, 2025 03:48 am (Universal Time) (10 km SSE)
1.2 quake Iceland: 0.3 km ESE of Stóra-Skógfell Apr 3, 2025 07:00 pm (Reykjavik time) (4 km NE)
All earthquakes at Svartsengi

Tenorio volcano (Costa Rica): magnitude 2.4 earthquake

A magnitude 2.4 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.00 km depth at 3 km distance SE from the volcano.
Earthquake details:
2.4 quake 36 km southeast of San José, Provincia de Alajuela, Costa Rica, Apr 2, 2025 10:42 pm (GMT -6) (3 km SE)
All earthquakes at Tenorio

Unnamed 24.00°N/121.83°E volcano (Taiwan): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 10 km distance NW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 18 km northeast of Hualien City, Taiwan, Apr 3, 2025 03:58 pm (GMT +8) (10 km NW)
All earthquakes at Unnamed 24.00°N/121.83°E

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نشر الخبر اول مرة على موقع :www.volcanodiscovery.com بتاريخ:2025-04-04 03:50:00
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