Volcano earthquake report for Thursday, 27 Aug 2026

Quakes detected near: Agua (4 quakes between mag 1.9-3.3), Balut (4 quakes between mag 1.8-2.0), Bardarbunga (4 quakes between mag 0.1-2.8), Barva (1 quake mag 1.8), Clear Lake (31 quakes between mag 0.4-1.9), Coso (10 quakes between mag 0.5-1.7)
Cuilapa-Barbarena (1 quake mag 1.5), Eldey (3 quakes between mag 1.1-1.7), Etna (2 quakes between mag 3.0-3.0), Fani Maoré (1 quake mag 1.7), Furnas (1 quake mag 3.0), Kialagvik (1 quake mag 2.0), Kilauea (2 quakes between mag 1.8-2.1), Loihi (3 quakes between mag 1.7-2.1), Maroa (1 quake mag 1.8), Martin (2 quakes between mag 0.6-1.5), Masaya (1 quake mag 1.8), Maunaloa (1 quake mag 2.2), Mayotte Island (1 quake mag 1.1), Paluweh (3 quakes between mag 3.3-5.0), Poas (4 quakes between mag 1.3-1.9), Prestahnukur (2 quakes between mag 0.9-1.2), Puracé (1 quake mag 2.3), Salton Buttes (1 quake mag 1.5), San Salvador (1 quake mag 1.8), Sousaki (1 quake mag 1.5), Svartsengi (4 quakes between mag 0.8-1.5), Tenerife (1 quake mag 1.0), Tjörnes Fracture Zone (3 quakes between mag 0.9-1.2), White Island (1 quake mag 2.2) (updated 05h50)

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:

Agua volcano (Guatemala): 4 earthquakes up to magnitude 3.3

4 earthquakes occurred near (under) the volcano during 6 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 5.10 and 1.00 km.
Earthquake details:
3.3 quake 6.3 km southeast of Antigua Guatemala, Departamento de Sacatepequez, Guatemala, Aug 26, 2026 01:12 pm (GMT -6) (8 km NE)
3.3 quake Departamento de Sacatepequez, 25 km southwest of Guatemala City, Guatemala, Aug 26, 2026 07:12 pm (GMT -6) (7 km NE)
2.1 quake 6.2 km southeast of Antigua Guatemala, Departamento de Sacatepequez, Guatemala, Aug 26, 2026 01:34 pm (GMT -6) (8 km NE)
1.9 quake 7.2 km southeast of Antigua Guatemala, Departamento de Sacatepequez, Guatemala, Aug 26, 2026 01:13 pm (GMT -6) (7 km NE)
All earthquakes at Agua

Bardarbunga volcano (Iceland): 4 earthquakes up to magnitude 2.8

4 earthquakes occurred near (under) the volcano during 1 hour 14 minutes, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 13.30 and 0.00 km.
Earthquake details:
2.8 quake Northeast, 223 km east of Reykjavik, Capital Region, Iceland, Aug 27, 2026 01:28 am (Universal Time) (7 km NE)
0.7 quake 5.4 km NNW of Bárðarbunga Aug 27, 2026 01:29 am (Universal Time) (6 km NNW)
0.3 quake Iceland: 4.0 km NNE of Bárðarbunga Aug 27, 2026 02:30 am (Reykjavik time) (5 km NNE)
0.1 quake Iceland: 5.3 km NNE of Bárðarbunga Aug 27, 2026 02:42 am (Reykjavik time) (6 km NNE)
All earthquakes at Bardarbunga
Bárðarbunga is an ice-covered Icelandic stratovolcano whose far-reaching fissure system has produced enormous lava flows and major explosive eruptions. Its 2014-15 Holuhraun eruption created a lava field of almost 85 km².

Clear Lake volcano (California): 31 earthquakes up to magnitude 1.9

Possible earthquake swarm: 31 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 33 minutes ago. Hypocenter depths ranged between 13.46 and 0.31 km.
Earthquake details: (only 5 largest)
1.9 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Aug 26, 2026 07:46 am (GMT -7) (16 km S)
1.7 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Aug 26, 2026 07:44 am (GMT -7) (16 km S)
1.5 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Aug 26, 2026 03:35 pm (GMT -7) (18 km SSW)
1.5 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Aug 26, 2026 07:53 am (GMT -7) (18 km SSW)
1.1 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Aug 27, 2026 05:00 am (Universal Time) (18 km SSW)
All earthquakes at Clear Lake

Etna volcano (Italy): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 25 minutes, the last being recorded quake 14 hours ago. Hypocenter depths ranged between 10.00 and 10.00 km.
Earthquake details:
Reported seismic-like event (likely no quake): 30 km north of Catania, Province of Catania, Sicily, Italy, Aug 26, 2026 05:46 pm (GMT +2) (1 km WNW)
Reported quake or seismic-like event: 30 km north of Catania, Province of Catania, Sicily, Italy, Aug 26, 2026 05:20 pm (GMT +2) (1 km WNW)
All earthquakes at Etna
Etna is a frequently active stratovolcano in Sicily with documented eruptions dating to about 1500 BCE. Its activity ranges from summit explosions and lava fountains to flank eruptions with extensive lava flows.

Furnas volcano (Azores): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 16 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 17 km distance ENE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 26 km east of Vila Franca do Campo, Azores, Portugal, Aug 26, 2026 01:51 pm (Universal Time) (17 km ENE)
All earthquakes at Furnas
Furnas is an active volcanic system on eastern São Miguel in the Azores, with at least 11 pumice layers from the past 5,000 years. Its two recognized historical eruptions occurred in 1439–1443 and 1630; the latter caused significant damage and fatalities.

Kilauea volcano (Hawai'i (Big Island)): 2 earthquakes up to magnitude 2.1

2 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 12 hours ago. Hypocenter depths ranged between 7.21 and 3.18 km.
Earthquake details:
2.1 quake 30 mi southwest of Hilo, Hawaii County, Hawaii, United States, Aug 25, 2026 07:57 pm (GMT -10) (14 km W)
1.8 quake 28 mi south of Hilo, Hawaii County, Hawaii, United States, Aug 26, 2026 07:40 am (GMT -10) (19 km ESE)
All earthquakes at Kilauea

Loihi volcano (Hawai'i (Big Island)): 3 earthquakes up to magnitude 2.1

3 earthquakes occurred near (under) the volcano during 16 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 31.39 and 30.37 km.
Earthquake details:
2.1 quake North Pacific Ocean, 12 mi southeast of Pāhala, Hawaii County, Hawaii, United States, Aug 26, 2026 12:52 pm (GMT -10) (19 km NNW)
2.0 quake North Pacific Ocean, 40 mi southeast of of Hawai‘i Island, Hawaii County, Hawaii, United States, Aug 26, 2026 11:50 am (GMT -10) (17 km NNW)
1.7 quake North Pacific Ocean, 40 mi southeast of of Hawai‘i Island, Hawaii County, Hawaii, United States, Aug 25, 2026 08:26 pm (GMT -10) (17 km NW)
All earthquakes at Loihi

Maunaloa volcano (Hawai'i (Big Island)): 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 0.21 km depth at 15 km distance E from the volcano.
Earthquake details:
2.2 quake 30 mi southwest of Hilo, Hawaii County, Hawaii, United States, Aug 26, 2026 04:09 pm (GMT -10) (15 km E)
All earthquakes at Maunaloa

Paluweh volcano (Lesser Sunda Islands): 3 earthquakes up to magnitude 5.0

3 earthquakes occurred near (under) the volcano during 1 hour 58 minutes, the last being recorded quake 14 hours ago. Hypocenter depths ranged between 10.00 and 10.00 km.
Earthquake details:
5.0 quake Flores Sea, 55 km north of Ende, Kabupaten Ende, East Nusa Tenggara, Indonesia, Aug 26, 2026 10:15 pm (Makassar time) (13 km WSW)
3.8 quake Flores Sea, 64 km north of Ende, Kabupaten Ende, East Nusa Tenggara, Indonesia, Aug 26, 2026 11:45 pm (Makassar time) (18 km WNW)
3.3 quake Flores Sea, 55 km north of Ende, Kabupaten Ende, East Nusa Tenggara, Indonesia, Aug 27, 2026 12:13 am (GMT +8) (18 km WSW)
All earthquakes at Paluweh

Puracé volcano (Colombia): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 14.50 km depth at 18 km distance NNE from the volcano.
Earthquake details:
2.3 quake 33 km east of Popayán, Departamento del Cauca, Colombia, Aug 26, 2026 08:03 am (GMT -5) (18 km NNE)
All earthquakes at Puracé

White Island volcano (New Zealand): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 17 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 11 km distance WSW from the volcano.
Earthquake details:
2.2 quake South Pacific Ocean, 46 km north of Whakatane, Bay of Plenty, New Zealand, Aug 27, 2026 01:16 am (GMT +12) (11 km WSW)
All earthquakes at White Island
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