Volcano earthquake report for Thursday, 24 September 2026

Quakes detected near: Balut (4 quakes between mag 1.5-2.4), Bardarbunga (2 quakes between mag 1.3-1.4), Brennisteinsfjöll (3 quakes between mag 0.2-1.2), Cabalian (2 quakes between mag 2.3-3.2), Clear Lake (25 quakes between mag 0.3-1.7), Cosigüina (1 quake mag 4.2)
Cuilapa-Barbarena (1 quake mag 1.5), Flores (2 quakes between mag 1.9-2.1), Gilbanta (1 quake mag 4.5), Irazu (1 quake mag 1.9), Isanotski (1 quake mag 1.5), Kilauea (3 quakes between mag 1.6-1.6), Krísuvík (1 quake mag 2.0), Kupreanof (1 quake mag 1.7), Kverkfjöll (1 quake mag 2.0), La Palma (1 quake mag 1.0), Loihi (2 quakes between mag 1.8-2.2), Loki-Fögrufjöll volcano (1 quake mag 1.6), Makushin (9 quakes between mag 0.4-1.7), Marapi (1 quake mag 2.6), Masaya (1 quake mag 2.1), Novarupta (2 quakes between mag 0.9-1.2), Paluweh (1 quake mag 2.6), Pico de Orizaba (1 quake mag 3.0), Prestahnukur (8 quakes between mag 0.0-2.9), Reporoa (1 quake mag 2.0), Santo Tomas (1 quake mag 1.8), Taupo (1 quake mag 1.8), Trident (1 quake mag 1.3) (updated 09h50)\n\nNote: 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.\n
Volcanoes with recent earthquakes above magnitude 2 or more than 10 quakes are listed below:

Balut volcano (Mindanao): 4 earthquakes up to magnitude 2.4

4 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 1 hour 3 minutes ago. Hypocenter depths ranged between 45.00 and 2.00 km.
Earthquake details:
2.4 quake Celebes Sea, 25 km southwest of Sarangani Island, Philippines, Sep 24, 2026 03:38 am (GMT +8) (14 km SW)
1.8 quake Davao Occidental, Davao, 50 km south of Glan, Philippines, Sep 24, 2026 03:41 pm (GMT +8) (3 km W)
1.6 quake Celebes Sea, 19 km northwest of Sarangani Island, Philippines, Sep 23, 2026 09:53 pm (GMT +8) (14 km NNW)
1.5 quake Philippine Sea, 14 km northwest of Sarangani Island, Philippines, Sep 24, 2026 04:47 pm (GMT +8) (10 km N)
All earthquakes at Balut
Balut is an 840 m island stratovolcano south of Mindanao whose last known eruption occurred between about 2 million and 11,700 years ago. Hot springs and thermally altered ground occur on its western and southwestern flanks.

Cabalian volcano (Central Philippines): 2 earthquakes up to magnitude 3.2

2 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 10.00 and 1.00 km.
Earthquake details:
3.2 quake 41 km northeast of Maasin, Philippines, Sep 24, 2026 12:34 pm (GMT +8) (12 km NW)
2.3 quake Province of Southern Leyte, 40 km south of Abuyog, Philippines, Sep 23, 2026 06:41 pm (GMT +8) (16 km NNW)
All earthquakes at Cabalian
Cabalían is a 912 m-high stratovolcano on southeastern Leyte, distinguished by its lake-filled summit crater. Radiocarbon evidence records an eruption around 1820, with an uncertainty of about 30 years.

Clear Lake volcano (California): 25 earthquakes up to magnitude 1.7

Possible earthquake swarm: 25 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 40 minutes ago. Hypocenter depths ranged between 16.79 and 0.25 km.
Earthquake details: (only 5 largest)
1.7 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Sep 23, 2026 08:30 am (GMT -7) (17 km S)
1.4 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Sep 23, 2026 03:36 pm (GMT -7) (15 km S)
1.1 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Sep 23, 2026 11:52 pm (GMT -7) (18 km S)
1.1 quake 25 mi north of Santa Rosa, Sonoma County, California, United States, Sep 23, 2026 10:40 pm (GMT -7) (19 km S)
1.1 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Sep 23, 2026 12:39 pm (GMT -7) (16 km SSW)
All earthquakes at Clear Lake

Cosigüina volcano (Nicaragua): magnitude 4.2 earthquake

A magnitude 4.2 earthquake occurred at the volcano 1 hour 2 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 4.00 km depth at 11 km distance SE from the volcano.
Earthquake details:
4.2 quake 50 km northwest of Chinandega, Departamento de Chinandega, Nicaragua, Sep 24, 2026 02:47 am (Managua time) (11 km SE)
All earthquakes at Cosigüina
Cosigüina is a Nicaraguan stratovolcano overlooking the Gulf of Fonseca. Its VEI 5 eruption in 1835 was the largest recorded in Nicaragua’s history; the last known eruption occurred in 1859.

Flores volcano (Guatemala): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 13.10 and 3.80 km.
Earthquake details:
2.1 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 23, 2026 05:38 am (GMT -6) (15 km WNW)
1.9 quake 23 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 23, 2026 03:44 pm (GMT -6) (14 km WNW)
All earthquakes at Flores
Flores, also known as Volcán Amayo, is a volcanic field about 10 km west of Jutiapa in southeastern Guatemala. Its last eruption is undated, and none are known from approximately the past 11,700 years.

Gilbanta volcano (Lesser Sunda Islands): magnitude 4.5 earthquake

A magnitude 4.5 earthquake occurred at the volcano 6 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 11 km distance NNE from the volcano.
Earthquake details:
4.5 quake Flores Sea, 14 km northeast of Gili Banta Island, West Nusa Tenggara, Indonesia, Sep 24, 2026 11:30 am (Makassar time) (11 km NNE)
All earthquakes at Gilbanta
Gilbanta is a small Indonesian volcanic island with a north-opening caldera. Its only reported modern eruption, in 1957, is considered doubtful and is not accepted as a confirmed event.

Loihi volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.2

2 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 1 hour 2 minutes ago. Hypocenter depths ranged between 35.76 and 32.08 km.
Earthquake details:
2.2 quake North Pacific Ocean, 13 mi southeast of Pāhala, Hawaii County, Hawaii, United States, Sep 23, 2026 02:15 pm (GMT -10) (19 km NW)
1.8 quake North Pacific Ocean, 42 mi southeast of of Hawai‘i Island, Hawaii County, Hawaii, United States, Sep 23, 2026 10:47 pm (GMT -10) (14 km NW)
All earthquakes at Loihi
Loihi, now named Kamaʻehuakanaloa, is a submarine shield volcano about 35 km southeast of Hawaiʻi. Its last confirmed eruption was in 1996, while later unrest has consisted of earthquake swarms without confirmed eruptions.

Marapi volcano (Sumatra): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 41.00 km depth at 14 km distance SSE from the volcano.
Earthquake details:
2.6 quake Kabupaten Tanah Datar, 14 km east of Padangpanjang, Indonesia, Sep 24, 2026 12:45 pm (GMT +7) (14 km SSE)
All earthquakes at Marapi

Masaya volcano (Nicaragua): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 14.00 km depth at 9 km distance NNE from the volcano.
Earthquake details:
2.1 quake Departamento de Masaya, 14 km southeast of Managua, Nicaragua, Sep 23, 2026 12:00 pm (GMT -6) (9 km NNE)
All earthquakes at Masaya
Masaya is a frequently active Nicaraguan volcano about 20 km southeast of Managua. Known for its intermittent lava lake, it has also produced lava flows, explosive eruptions, ashfall and prolonged gas emissions.

Paluweh volcano (Lesser Sunda Islands): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 16 km distance WNW from the volcano.
Earthquake details:
2.6 quake Flores Sea, 63 km north of Ende, Kabupaten Ende, East Nusa Tenggara, Indonesia, Sep 23, 2026 08:00 pm (GMT +8) (16 km WNW)
All earthquakes at Paluweh
Paluweh is an island-forming stratovolcano north of Flores, Indonesia. Its major eruptions include a destructive, tsunami-producing event in 1928 and deadly pyroclastic flows in 2013.

Pico de Orizaba volcano (Western & Central Mexico): 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 9.00 km depth at 3 km distance WNW from the volcano.
Earthquake details:
3.0 quake 17 km east of Ciudad Serdan, Estado de Puebla, Mexico, Sep 23, 2026 10:33 am (GMT -6) (3 km WNW)
All earthquakes at Pico de Orizaba
Pico de Orizaba is Mexico’s highest peak and North America’s highest volcano. Its last known eruption was a minor ash event in 1846.

Prestahnukur volcano (Iceland): 8 earthquakes up to magnitude 2.9

8 earthquakes occurred near (under) the volcano during 2 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 13.80 and 0.00 km.
Earthquake details: (only 5 largest)
2.9 quake West, 75 km northeast of Reykjavik, Capital Region, Iceland, Sep 24, 2026 12:41 am (Reykjavik time) (7 km WSW)
1.8 quake Iceland: 15.8 km SSE of Húsafell Sep 24, 2026 01:41 am (Reykjavik time) (6 km WSW)
1.6 quake 15.5 km SSE of Húsafell Sep 24, 2026 12:48 am (Universal Time) (9 km WSW)
1.2 quake 15.8 km SSE of Húsafell Sep 24, 2026 12:51 am (Universal Time) (7 km WSW)
1.2 quake 15.0 km SE of Húsafell Sep 24, 2026 12:46 am (Universal Time) (6 km WSW)
All earthquakes at Prestahnukur
Prestahnúkur is a roughly 90-km-long volcanic system beside the Langjökull icecap in Iceland. Its three known eruptions occurred during the past 10,000 years, the last at approximately 3350 BCE.
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/363602/Volcano-earthquake-report-2026-09-24.html