Volcano earthquake report for Wednesday, 20 May 2026

Quakes detected near: Ambang (1 quake mag 3.0), Bardarbunga (24 quakes between mag 0.0-1.7), Campi Flegrei (Phlegrean Fields) (3 quakes between mag 0.1-3.0), Chinameca (1 quake mag 2.3), Clear Lake (21 quakes between mag 0.3-2.0), Davidof (1 quake mag 1.7)
Eldey (25 quakes between mag 0.1-2.0), Gilbanta (1 quake mag 5.2), Katla (2 quakes between mag 1.2-1.5), Kenger (1 quake mag 1.0), Kilauea (2 quakes between mag 1.6-1.7), Krakatau (1 quake mag 2.9), Kyejo (1 quake mag 3.0), Laguna Aramuaca (1 quake mag 3.2), Lanzarote (2 quakes between mag 1.7-3.0), Ljósufjöll (4 quakes between mag 0.0-2.0), Loihi (1 quake mag 2.1), Malindang (1 quake mag 1.9), Nevado de Longavi (3 quakes between mag 2.8-3.7), Okataina (Tarawera) (3 quakes between mag 1.5-2.0), Prestahnukur (24 quakes between mag 0.5-2.1), Sangeang Api (13 quakes between mag 2.1-3.5), Talakmau (1 quake mag 2.1), Tenerife (2 quakes between mag 0.8-1.0), Torfajökull (10 quakes between mag 0.2-1.1), Trident (1 quake mag 1.1), White Island (2 quakes between mag 2.1-2.9) (updated 12h50)

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:

Ambang volcano (Sulawesi & Sangihe Islands): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 12.00 km depth at 8 km distance NW from the volcano.
Earthquake details:
3.0 quake Kota Kotamobagu, 92 km southwest of Manado, Indonesia, May 19, 2026 10:56 pm (GMT +8) (8 km NW)
All earthquakes at Ambang

Bardarbunga volcano (Iceland): 24 earthquakes up to magnitude 1.7

Possible earthquake swarm: 24 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 19 minutes ago. Hypocenter depths ranged between 21.20 and 0.00 km.
Earthquake details: (only 5 largest)
1.7 quake Iceland: 7.7 km E of Bárðarbunga May 20, 2026 06:31 am (Reykjavik time) (8 km E)
1.6 quake Iceland: 8.2 km ESE of Bárðarbunga May 19, 2026 04:38 pm (Reykjavik time) (8 km E)
1.5 quake 7.1 km ESE of Bárðarbunga May 19, 2026 01:52 pm (Universal Time) (7 km E)
1.5 quake 9.0 km E of Bárðarbunga May 19, 2026 07:24 pm (Universal Time) (9 km E)
1.0 quake 4.3 km E of Bárðarbunga May 19, 2026 01:52 pm (Universal Time) (5 km E)
All earthquakes at Bardarbunga

Campi Flegrei (Phlegrean Fields) volcano (Italy): 3 earthquakes up to magnitude 3.0

3 earthquakes occurred near (under) the volcano during 12 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 10.00 and 0.03 km.
Earthquake details:
Reported seismic-like event (likely no quake): 6.2 km northwest of Naples, Napoli, Campania, Italy, May 19, 2026 10:46 pm (GMT +2) (11 km NE)
0.4 quake 3 km southeast of Pozzuoli, Napoli, Campania, Italy, May 20, 2026 10:16 am (GMT +2) (2 km W)
0.1 quake 1.2 km north of Pozzuoli, Napoli, Campania, Italy, May 20, 2026 02:56 am (Universal Time) (5 km NW)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Chinameca volcano (El Salvador): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.00 km depth at 12 km distance N from the volcano.
Earthquake details:
2.3 quake 18 km northwest of San Miguel, Departamento de San Miguel, El Salvador, May 19, 2026 11:47 am (GMT -6) (12 km N)
All earthquakes at Chinameca

Clear Lake volcano (California): 21 earthquakes up to magnitude 2.0

Possible earthquake swarm: 21 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 34 minutes ago. Hypocenter depths ranged between 7.55 and 0.21 km.
Earthquake details: (only 5 largest)
2.0 quake Mendocino County, 13 mi southwest of Clearlake, Lake County, California, United States, May 19, 2026 05:43 pm (GMT -7) (14 km SSW)
1.5 quake 13 mi southwest of Clearlake, Lake County, California, United States, May 20, 2026 03:05 am (GMT -7) (19 km S)
1.3 quake Lake County, 28 mi north of Santa Rosa, Sonoma County, California, United States, May 19, 2026 02:05 pm (GMT -7) (15 km S)
1.1 quake Mendocino County, 29 mi north of Santa Rosa, Sonoma County, California, United States, May 19, 2026 05:44 pm (GMT -7) (14 km SSW)
1.1 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, May 19, 2026 09:08 pm (GMT -7) (16 km SSW)
All earthquakes at Clear Lake

Eldey volcano (Iceland): 25 earthquakes up to magnitude 2.0

Possible earthquake swarm: 25 earthquakes occurred near (under) the volcano during 19 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 11.20 and 0.00 km.
Earthquake details: (only 5 largest)
2.0 quake 9.1 km N of Eldey May 19, 2026 01:41 pm (Universal Time) (10 km N)
1.4 quake Iceland: 9.2 km NW of Reykjanestá May 19, 2026 03:35 pm (Reykjavik time) (17 km NNE)
1.2 quake 7.6 km N of Eldey May 19, 2026 01:37 pm (Universal Time) (9 km N)
1.1 quake 8.0 km N of Eldey May 19, 2026 01:24 pm (Universal Time) (9 km N)
1.0 quake Iceland: 9.4 km N of Eldey May 20, 2026 07:58 am (Reykjavik time) (10 km N)
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.

Gilbanta volcano (Lesser Sunda Islands): magnitude 5.2 earthquake

A magnitude 5.2 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 16 km distance NNW from the volcano.
Earthquake details:
5.2 quake Flores Sea, 17 km east of Pulau Sangeang Island, West Nusa Tenggara, Indonesia, May 20, 2026 06:28 pm (Makassar time) (16 km NNW)
All earthquakes at Gilbanta

Krakatau volcano (Sunda Strait): magnitude 2.9 earthquake

A magnitude 2.9 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 3.00 km depth at 12 km distance SW from the volcano.
Earthquake details:
2.9 quake Indian Ocean, 31 km southwest of Pulau Sebesi Island, Lampung, Indonesia, May 20, 2026 12:55 am (GMT +7) (12 km SW)
All earthquakes at Krakatau

Kyejo volcano (Tanzania): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 5 km distance SSW from the volcano.
Earthquake details:
Reported quake or seismic-like event: 3.5 km northeast of Gaborone, Gaborone, Botswana, May 20, 2026 12:49 pm (GMT +2) (5 km SSW)
All earthquakes at Kyejo

Laguna Aramuaca volcano (El Salvador): magnitude 3.2 earthquake

A magnitude 3.2 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 4.60 km depth at 12 km distance S from the volcano.
Earthquake details:
3.2 quake 20 km southeast of San Miguel, Departamento de San Miguel, El Salvador, May 19, 2026 07:22 am (GMT -6) (12 km S)
All earthquakes at Laguna Aramuaca

Lanzarote volcano (Canary Islands): 2 earthquakes up to magnitude 3.0

2 earthquakes occurred near (under) the volcano during 60 seconds, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 10.00 and 4.00 km.
Earthquake details:
Reported seismic-like event (likely no quake): 9.2 km west of Arrecife, Las Palmas, Canary Islands, Spain, May 19, 2026 08:28 pm (GMT +1) (12 km ESE)
1.7 quake 20 km north of Yaiza, Las Palmas, Canary Islands, Spain, May 19, 2026 08:29 pm (GMT +1) (15 km N)
All earthquakes at Lanzarote

Loihi volcano (Hawai'i (Big Island)): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 36.05 km depth at 19 km distance NW from the volcano.
Earthquake details:
2.1 quake North Pacific Ocean, 24 mi east of Hawaiian Ocean View, Hawaii County, Hawaii, United States, May 19, 2026 01:08 pm (GMT -10) (19 km NW)
All earthquakes at Loihi

Nevado de Longavi volcano (Central Chile and Argentina): 3 earthquakes up to magnitude 3.7

3 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 1 hour 16 minutes ago. Hypocenter depths ranged between 7.80 and 6.80 km.
Earthquake details:
3.7 quake 51 km southeast of Linares, Provincia de Linares, Region del Maule, Chile, May 20, 2026 12:49 am (GMT -4) (7 km WSW)
3.4 quake 51 km southeast of Linares, Provincia de Linares, Region del Maule, Chile, May 20, 2026 07:33 am (GMT -4) (11 km WSW)
2.8 quake 47 km southeast of Linares, Provincia de Linares, Region del Maule, Chile, May 20, 2026 07:22 am (GMT -4) (11 km W)
All earthquakes at Nevado de Longavi

Prestahnukur volcano (Iceland): 24 earthquakes up to magnitude 2.1

Possible earthquake swarm: 24 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 12.90 and 0.10 km.
Earthquake details: (only 5 largest)
2.1 quake Iceland: 15.6 km SSE of Húsafell May 20, 2026 09:41 am (Reykjavik time) (12 km WSW)
1.9 quake Iceland: 15.6 km SSE of Húsafell May 20, 2026 09:43 am (Reykjavik time) (12 km WSW)
1.9 quake Iceland: 15.6 km SSE of Húsafell May 20, 2026 06:35 am (Reykjavik time) (11 km WSW)
1.8 quake Iceland: 15.2 km SSE of Húsafell May 20, 2026 07:05 am (Reykjavik time) (12 km WSW)
1.6 quake 15.6 km SSE of Húsafell May 20, 2026 07:23 am (Universal Time) (12 km WSW)
All earthquakes at Prestahnukur

Sangeang Api volcano (Lesser Sunda Islands): 13 earthquakes up to magnitude 3.5

Possible earthquake swarm: 13 earthquakes occurred near (under) the volcano during 21 hours, the last being recorded quake 1 hour 27 minutes ago. Hypocenter depths ranged between 13.00 and 10.00 km.
Earthquake details: (only 5 largest)
3.5 quake Flores Sea, 17 km northeast of Pulau Sangeang Island, Indonesia, May 20, 2026 12:17 pm (GMT +8) (17 km NE)
3.4 quake Flores Sea, 16 km east of Pulau Sangeang Island, West Nusa Tenggara, Indonesia, May 20, 2026 06:33 pm (GMT +8) (16 km ENE)
2.9 quake Flores Sea, 14 km east of Pulau Sangeang Island, West Nusa Tenggara, Indonesia, May 20, 2026 07:02 pm (GMT +8) (14 km ENE)
2.8 quake Flores Sea, 19 km northeast of Pulau Sangeang Island, Indonesia, May 19, 2026 10:28 pm (GMT +8) (19 km NE)
2.6 quake Flores Sea, 17 km east of Pulau Sangeang Island, West Nusa Tenggara, Indonesia, May 20, 2026 07:11 pm (GMT +8) (17 km E)
All earthquakes at Sangeang Api

Talakmau volcano (Sumatra): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 3 km distance ESE from the volcano.
Earthquake details:
2.1 quake Kabupaten Pasaman, 58 km northwest of Bukittinggi, Indonesia, May 20, 2026 11:16 am (GMT +7) (3 km ESE)
All earthquakes at Talakmau

Unnamed 49.00°N/34.5°W volcano (Atlantic Ocean): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 15 km distance WNW from the volcano.
Earthquake details:
Uncertain quake: M3.0, 15 km southeast of Saguenay, Saguenay/Lac-Saint-Jean, Quebec, Canada, May 19, 2026 08:21 pm (GMT -4) (15 km WNW)
All earthquakes at Unnamed 49.00°N/34.5°W

White Island volcano (New Zealand): 2 earthquakes up to magnitude 2.9

2 earthquakes occurred near (under) the volcano during 1 hour 36 minutes, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 5.00 and 2.00 km.
Earthquake details:
2.9 quake South Pacific Ocean, 53 km north of Whakatane, Bay of Plenty, New Zealand, May 20, 2026 07:14 pm (GMT +12) (3 km NW)
2.1 quake South Pacific Ocean, 49 km north of Whakatane, Bay of Plenty, New Zealand, May 20, 2026 08:50 pm (GMT +12) (3 km SW)
All earthquakes at White Island
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/302925/Volcano-earthquake-report-for-Wednesday-20-May-2026.html