Volcano earthquake report for Friday, 16 October 2026
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 16 Oct 2026 Number in brackets indicate nr of quakes.

Quakes detected near: Balut (3 quakes between mag 1.4-2.0), Bardarbunga (8 quakes between mag 0.2-1.3), Cabalian (1 quake mag 2.2), Cagua (2 quakes between mag 1.8-3.8), Campi Flegrei (Phlegrean Fields) (12 quakes between mag 0.1-1.1), Chingo (1 quake mag 1.4)
Clear Lake (20 quakes between mag 0.2-1.8), Cuilapa-Barbarena (2 quakes between mag 1.3-1.3), Flores (14 quakes between mag 1.2-2.5), Gagak (2 quakes between mag 2.4-2.6), Gran Canaria (2 quakes between mag 1.0-1.9), Irazu (1 quake mag 1.1), Katla (3 quakes between mag 0.0-1.9), Katmai (3 quakes between mag 0.0-1.8), Kilauea (1 quake mag 1.9), Ljósufjöll (15 quakes between mag 0.0-1.4), Loihi (1 quake mag 1.7), Maroa (1 quake mag 1.8), Moyuta (1 quake mag 1.6), Pacaya (1 quake mag 3.0), Pelée (2 quakes between mag 0.8-1.0), Poco Leok (1 quake mag 2.5), Prestahnukur (1 quake mag 1.4), Redoubt (2 quakes between mag 0.6-1.0), Reporoa (2 quakes between mag 1.7-2.6), Rinjani (1 quake mag 2.6), Salak (1 quake mag 2.5), Santo Tomas (1 quake mag 1.5), Santorini (1 quake mag 3.4), Svartsengi (29 quakes between mag 0.2-1.7), Tambora (1 quake mag 3.9), Thordarhyrna (8 quakes between mag 0.0-1.4) (updated 16h50)\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:



Cabalian volcano (Central Philippines): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 23 hours ago. The quake, which might be volcanic in origin, was located at a depth of 16.00 km depth at 16 km distance WNW from the volcano.
Earthquake details:
2.2 quake 36 km northeast of Maasin, Philippines, Oct 16, 2026 02:01 am (GMT +8) (16 km WNW)
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.

Cagua volcano (Luzon Island): 2 earthquakes up to magnitude 3.8

2 earthquakes occurred near (under) the volcano during 4 minutes, the last being recorded quake 23 hours ago. Hypocenter depths ranged between 14.00 and 5.00 km.
Earthquake details:
3.8 quake 57 km east of Aparri, Province of Cagayan, Cagayan Valley, Philippines, Oct 16, 2026 01:20 am (GMT +8) (7 km NE)
1.8 quake 63 km east of Aparri, Province of Cagayan, Cagayan Valley, Philippines, Oct 16, 2026 01:16 am (GMT +8) (12 km ENE)
All earthquakes at Cagua
Cagua is a forested stratovolcano at the northeastern tip of Luzon, locally called the “Mountain of Fire.” Its last known eruption was a phreatic explosion in 1860 that produced ash and possibly a pyroclastic flow.

Campi Flegrei (Phlegrean Fields) volcano (Italy): 12 earthquakes up to magnitude 1.1

Possible earthquake swarm: 12 earthquakes occurred near (under) the volcano during 15 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 2.82 and 0.99 km.
Earthquake details: (only 5 largest)
1.1 quake 2.7 km southwest of Pianura, Napoli, Campania, Italy, Oct 16, 2026 01:46 am (GMT +2) (2 km NNE)
0.8 quake 2.8 km southwest of Pianura, Napoli, Campania, Italy, Oct 16, 2026 01:37 am (GMT +2) (2 km NNE)
0.8 quake 2.9 km southwest of Pianura, Napoli, Campania, Italy, Oct 16, 2026 01:40 am (GMT +2) (2 km NNE)
0.6 quake Tyrrhenian Sea, 23 km northeast of Isola d'Ischia Island, Italy, Oct 16, 2026 12:02 pm (GMT +2) (2 km SE)
0.6 quake 3.4 km southwest of Pianura, Napoli, Campania, Italy, Oct 16, 2026 01:40 am (GMT +2) (1 km N)
All earthquakes at Campi Flegrei (Phlegrean Fields)
Campi Flegrei is a 13-km-wide volcanic caldera encompassing part of Naples and the Gulf of Pozzuoli. Its last known eruption formed the Monte Nuovo cone in 1538.

Clear Lake volcano (California): 20 earthquakes up to magnitude 1.8

Possible earthquake swarm: 20 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 16 minutes ago. Hypocenter depths ranged between 8.67 and 1.37 km.
Earthquake details: (only 5 largest)
1.8 quake Sonoma County, 15 mi southwest of Clearlake, Lake County, California, United States, Oct 15, 2026 04:55 pm (GMT -7) (18 km SSW)
1.5 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, Oct 16, 2026 12:55 am (GMT -7) (17 km S)
1.5 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Oct 15, 2026 04:54 pm (GMT -7) (18 km SSW)
1.5 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Oct 15, 2026 04:55 pm (GMT -7) (18 km SSW)
1.1 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Oct 16, 2026 09:34 am (GMT -7) (16 km SSW)
All earthquakes at Clear Lake

Flores volcano (Guatemala): 14 earthquakes up to magnitude 2.5

Possible earthquake swarm: 14 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 12.80 and 1.00 km.
Earthquake details: (only 5 largest)
2.5 quake 26 km west of Jutiapa, Departamento de Jutiapa, Guatemala, Oct 15, 2026 10:25 pm (GMT -6) (14 km WNW)
2.4 quake 24 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 16, 2026 04:25 am (GMT -6) (13 km WNW)
2.1 quake 21 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 15, 2026 12:26 pm (GMT -6) (15 km WNW)
1.8 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 15, 2026 05:52 pm (GMT -6) (15 km WNW)
1.7 quake 19 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Oct 16, 2026 01:42 am (GMT -6) (17 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.

Gagak volcano (West Java): 2 earthquakes up to magnitude 2.6

2 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 11.00 and 10.00 km.
Earthquake details:
2.6 quake 23 km southwest of Ciampea, Bogor Regency, Jawa Barat, Indonesia, Oct 16, 2026 09:36 pm (GMT +7) (7 km W)
2.4 quake 16 km southwest of Ciampea, Bogor Regency, Jawa Barat, Indonesia, Oct 16, 2026 10:21 am (GMT +7) (8 km NW)
All earthquakes at Gagak

Ljósufjöll volcano (Iceland): 15 earthquakes up to magnitude 1.4

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 19 hours ago. Hypocenter depths ranged between 21.00 and 0.00 km.
Earthquake details: (only 5 largest)
1.4 quake 33.1 km N of Borgarnes Oct 15, 2026 05:43 pm (Universal Time) (14 km E)
1.2 quake Iceland: 32.6 km N of Borgarnes Oct 15, 2026 06:13 pm (Reykjavik time) (13 km ESE)
1.0 quake 25.7 km N of Borgarnes Oct 15, 2026 06:17 pm (Universal Time) (16 km SE)
0.8 quake Iceland: 30.7 km N of Borgarnes Oct 15, 2026 06:17 pm (Reykjavik time) (14 km ESE)
0.5 quake 25.5 km N of Borgarnes Oct 15, 2026 05:32 pm (Universal Time) (17 km SE)
All earthquakes at Ljósufjöll
Ljósufjöll is an Icelandic volcanic field with evidence of repeated activity during the past 10,000 years. Its last known eruption occurred around 960 CE and combined explosive activity with lava production.

Pacaya volcano (Guatemala): 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 13 km distance N from the volcano.
Earthquake details:
Reported quake or seismic-like event: 19 km southwest of Guatemala City, Departamento de Guatemala, Guatemala, Oct 16, 2026 06:12 am (GMT -6) (13 km N)
All earthquakes at Pacaya
Pacaya, about 30 km south of Guatemala City, has frequently produced Strombolian explosions, ash plumes and lava flows. Its last known eruption continued from 2015 to August 2021.

Poco Leok volcano (Flores): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 11 km distance WNW from the volcano.
Earthquake details:
2.5 quake 8.4 km west of Ruteng, Kabupaten Manggarai, East Nusa Tenggara, Indonesia, Oct 16, 2026 03:41 am (GMT +8) (11 km WNW)
All earthquakes at Poco Leok
Poco Leok is a 1,675 m stratovolcano on western Flores Island with several fumarole fields and the Ulumbu geothermal area. No eruption is known from approximately the past 12,000 years.

Reporoa volcano (New Zealand): 2 earthquakes up to magnitude 2.6

2 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 31.10 and 6.30 km.
Earthquake details:
2.6 quake 28 km southeast of Rotorua, Bay of Plenty, New Zealand, Oct 16, 2026 07:28 pm (GMT +13) (17 km NE)
1.7 quake 36 km south of Rotorua, Bay of Plenty, New Zealand, Oct 16, 2026 10:31 pm (GMT +13) (12 km WSW)
All earthquakes at Reporoa
Reporoa is a 10 by 15 km New Zealand caldera formed about 230,000 years ago during the eruption of the Kaingaroa Ignimbrite. No eruption from the caldera is known during approximately the past 12,000 years.

Rinjani volcano (Lombok): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 13.00 km depth at 11 km distance NNW from the volcano.
Earthquake details:
2.6 quake Kabupaten Lombok Utara, 45 km northeast of Mataram, Indonesia, Oct 16, 2026 10:32 pm (GMT +8) (11 km NNW)
All earthquakes at Rinjani
Rinjani is a 3,726-m stratovolcano on Lombok whose large caldera formed during the enormous 1257 eruption of Samalas. Recorded activity since the mid-19th century has occurred at Barujari cone within the caldera.

Salak volcano (West Java): magnitude 2.5 earthquake

A magnitude 2.5 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 9 km distance NE from the volcano.
Earthquake details:
2.5 quake 6.3 km south of Bogor, Kota Bogor, Jawa Barat, Indonesia, Oct 16, 2026 09:22 pm (GMT +7) (9 km NE)
All earthquakes at Salak
Salak is a stratovolcano in West Java with five confirmed VEI 2 eruptive periods between 1780 and 1938. Six teenagers died in 2007 after suspected sulfur-gas exposure at a crater, although the volcano remained in repose.

Santorini volcano (Greece): magnitude 3.4 earthquake

A magnitude 3.4 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 11 km distance WSW from the volcano.
Earthquake details:
3.4 quake Aegean Sea, 16 km west of Santorini Island, Nomos Kykladon, South Aegean, Greece, Oct 16, 2026 04:32 pm (GMT +3) (11 km WSW)
All earthquakes at Santorini

Svartsengi volcano (Reykjanes Peninsula, Iceland): 29 earthquakes up to magnitude 1.7

Possible earthquake swarm: 29 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 58 minutes ago. Hypocenter depths ranged between 10.00 and 0.00 km.
Earthquake details: (only 5 largest)
1.7 quake 4.4 km N of Reykjanestá Oct 16, 2026 09:46 am (Universal Time) (3 km NNE)
1.5 quake 7.2 km WNW of Reykjanestá Oct 16, 2026 03:55 am (Universal Time) (6 km WNW)
1.4 quake Iceland: 6.6 km WNW of Reykjanestá Oct 16, 2026 03:07 am (Reykjavik time) (6 km W)
1.3 quake 5.9 km WNW of Reykjanestá Oct 16, 2026 03:07 am (Universal Time) (5 km WNW)
1.3 quake 7.3 km WNW of Reykjanestá Oct 16, 2026 02:24 am (Universal Time) (6 km WNW)
All earthquakes at Svartsengi
Svartsengi is a fissure-dominated volcanic system on Iceland’s Reykjanes Peninsula. Repeated lava-producing eruptions occurred near Sundhnúkagígar from December 2023 through August 2025.

Tambora volcano (Sumbawa): magnitude 3.9 earthquake

A magnitude 3.9 earthquake occurred at the volcano 13 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 18 km distance NNW from the volcano.
Earthquake details:
3.9 quake Kabupaten Bima, 72 km northeast of Sumbawa Besar, Indonesia, Oct 16, 2026 12:03 pm (GMT +8) (18 km NNW)
All earthquakes at Tambora
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/379569/Volcano-earthquake-report-2026-10-16.html