Volcano earthquake report for Monday, 18 May 2026
World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 18 May 2026 Number in brackets indicate nr of quakes.

Quakes detected near: Agua (1 quake mag 2.9), Askja (8 quakes between mag 0.1-1.7), Bardarbunga (19 quakes between mag 0.0-2.1), Barva (1 quake mag 1.7), Black Peak (1 quake mag 1.7), Campi Flegrei (Phlegrean Fields) (15 quakes between mag 0.1-2.3)
Chaîne des Puys (2 quakes between mag 1.4-1.4), Churchill (1 quake mag 1.5), Clear Lake (9 quakes between mag 0.4-1.1), El Chichón (4 quakes between mag 2.2-2.5), Eldey (7 quakes between mag 0.8-1.6), Etna (1 quake mag 3.0), Hofsjökull (4 quakes between mag 0.9-1.7), Iriomote-jima (2 quakes between mag 4.4-4.8), Jan Mayen (2 quakes between mag 1.1-1.3), Katla (5 quakes between mag 0.2-1.2), Kilauea (1 quake mag 2.1), Kolumbo (1 quake mag 1.5), La Palma (1 quake mag 2.0), Ljósufjöll (8 quakes between mag 0.0-1.4), Loihi (1 quake mag 2.0), Mahagnao (1 quake mag 1.4), Malindang (1 quake mag 2.3), Mammoth Mountain (1 quake mag 1.4), Martin (1 quake mag 1.0), Mount St. Helens (1 quake mag 1.7), Nasu (1 quake mag 2.5), Okataina (Tarawera) (2 quakes between mag 2.2-2.5), Poas (1 quake mag 1.9), Prestahnukur (16 quakes between mag 0.1-1.7), Reporoa (1 quake mag 1.9), Sorikmarapi (2 quakes between mag 2.1-3.3), Tambora (1 quake mag 3.4), Tenerife (9 quakes between mag 1.1-1.5), Torfajökull (1 quake mag 1.1), Whale Island (1 quake mag 2.5) (updated 16h50)

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): 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 10.00 km depth at 6 km distance ESE from the volcano.
Earthquake details:
2.9 quake 4.1 km north of Palin, Departamento de Escuintla, Guatemala, May 17, 2026 03:33 pm (GMT -6) (6 km ESE)
All earthquakes at Agua

Bardarbunga volcano (Iceland): 19 earthquakes up to magnitude 2.1

Possible earthquake swarm: 19 earthquakes occurred near (under) the volcano during 23 hours, the last being recorded quake 1 hour 19 minutes ago. Hypocenter depths ranged between 6.10 and 0.00 km.
Earthquake details: (only 5 largest)
2.1 quake 1.8 km NE of Bárðarbunga May 17, 2026 10:38 pm (Universal Time) (3 km NE)
1.4 quake 4.7 km ESE of Bárðarbunga May 17, 2026 04:57 pm (Universal Time) (4 km ESE)
1.0 quake 4.0 km ESE of Bárðarbunga May 18, 2026 01:39 am (Universal Time) (3 km E)
0.8 quake 5.5 km E of Bárðarbunga May 18, 2026 04:39 am (Universal Time) (6 km E)
0.8 quake Iceland: 3.4 km SE of Bárðarbunga May 18, 2026 03:31 pm (Reykjavik time) (3 km ESE)
All earthquakes at Bardarbunga

Campi Flegrei (Phlegrean Fields) volcano (Italy): 15 earthquakes up to magnitude 2.3

Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 3 hours, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 7.75 and 0.72 km.
Earthquake details: (only 5 largest)
2.3 quake 11 km west of Naples, Napoli, Campania, Italy, May 18, 2026 12:57 am (GMT +2) (5 km NW)
1.3 quake 2.4 km southeast of Pozzuoli, Napoli, Campania, Italy, May 18, 2026 01:58 am (GMT +2) (2 km WNW)
0.5 quake 4.4 km southeast of Pozzuoli, Napoli, Campania, Italy, May 18, 2026 01:01 am (GMT +2) (0 km ESE)
0.5 quake 12 km west of Naples, Napoli, Campania, Italy, May 18, 2026 12:54 am (GMT +2) (1 km SW)
0.3 quake 10.9 km west of Naples, Napoli, Campania, Italy, May 17, 2026 10:55 pm (Universal Time) (0 km E)
All earthquakes at Campi Flegrei (Phlegrean Fields)

El Chichón volcano (Southern Mexico): 4 earthquakes up to magnitude 2.5

4 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 3.40 and 3.00 km.
Earthquake details:
2.5 quake Estado de Chiapas, 38 km southwest of Teapa, Estado de Tabasco, Mexico, May 18, 2026 01:51 am (GMT -6) (1 km SSW)
2.4 quake Estado de Chiapas, 37 km southwest of Teapa, Estado de Tabasco, Mexico, May 18, 2026 04:50 am (GMT -6) (0 km W)
2.3 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, May 17, 2026 08:09 pm (GMT -6) (2 km E)
2.2 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, May 17, 2026 11:31 am (GMT -6) (2 km NNW)
All earthquakes at El Chichón

Etna volcano (Italy): magnitude 3.0 earthquake

A magnitude 3.0 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 0 km distance SW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 30 km north of Catania, Catania, Sicily, Italy, May 18, 2026 05:41 am (GMT +2) (0 km SW)
All earthquakes at Etna

Iriomote-jima volcano (Ryukyu Islands): 2 earthquakes up to magnitude 4.8

2 earthquakes occurred near (under) the volcano during 3 minutes, the last being recorded quake 17 hours ago. Hypocenter depths ranged between 10.00 and 10.00 km.
Earthquake details:
4.8 quake East China Sea, 13 km north of Iriomote Jima Island, Okinawa, Japan, May 18, 2026 08:21 am (GMT +9) (19 km SW)
4.4 quake East China Sea, 20 km north of Iriomote Jima Island, Okinawa, Japan, May 18, 2026 08:24 am (GMT +9) (12 km WSW)
All earthquakes at Iriomote-jima

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

A magnitude 2.1 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.68 km depth at 12 km distance SE from the volcano.
Earthquake details:
2.1 quake 29 mi south of Hilo, Hawaii County, Hawaii, United States, May 17, 2026 11:05 am (GMT -10) (12 km SE)
All earthquakes at Kilauea

Malindang volcano (Mindanao): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 1 hour 16 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 14 km distance WNW from the volcano.
Earthquake details:
2.3 quake Province of Zamboanga del Norte, 16 km northeast of Mahayag, Philippines, May 18, 2026 11:34 pm (GMT +8) (14 km WNW)
All earthquakes at Malindang

Nasu volcano (Honshu): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 7 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.30 km depth at 14 km distance WSW from the volcano.
Earthquake details:
2.5 quake Fukushima, 26 km northwest of Nasushiobara, Tochigi, Japan, May 18, 2026 07:12 pm (GMT +9) (14 km WSW)
All earthquakes at Nasu

Okataina (Tarawera) volcano (New Zealand): 2 earthquakes up to magnitude 2.5

2 earthquakes occurred near (under) the volcano during 3 minutes, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 5.00 and 5.00 km.
Earthquake details:
2.5 quake 35 km east of Rotorua, Bay of Plenty, New Zealand, May 18, 2026 09:09 pm (GMT +12) (15 km SE)
2.2 quake 34 km east of Rotorua, Bay of Plenty, New Zealand, May 18, 2026 09:12 pm (GMT +12) (14 km SE)
All earthquakes at Okataina (Tarawera)

Prestahnukur volcano (Iceland): 16 earthquakes up to magnitude 1.7

Possible earthquake swarm: 16 earthquakes occurred near (under) the volcano during 18 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 11.90 and 0.00 km.
Earthquake details: (only 5 largest)
1.7 quake Iceland: 16.6 km S of Húsafell May 17, 2026 09:59 pm (Reykjavik time) (16 km WSW)
1.6 quake 14.9 km SSE of Húsafell May 18, 2026 10:41 am (Universal Time) (9 km WSW)
1.4 quake Iceland: 16.1 km SSE of Húsafell May 17, 2026 07:01 pm (Reykjavik time) (11 km WSW)
1.3 quake 15.6 km SSE of Húsafell May 18, 2026 07:51 am (Universal Time) (11 km WSW)
1.2 quake 16.3 km S of Húsafell May 18, 2026 10:58 am (Universal Time) (16 km WSW)
All earthquakes at Prestahnukur

Sorikmarapi volcano (Sumatra): 2 earthquakes up to magnitude 3.3

2 earthquakes occurred near (under) the volcano during 10 minutes, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 10.00 and 4.00 km.
Earthquake details:
3.3 quake Kabupaten Mandailing Natal, 91 km southeast of Padangsidempuan, Indonesia, May 18, 2026 09:25 pm (GMT +7) (12 km ESE)
2.1 quake Kabupaten Mandailing Natal, 82 km southeast of Padangsidempuan, Indonesia, May 18, 2026 09:14 pm (GMT +7) (12 km ENE)
All earthquakes at Sorikmarapi

Tambora volcano (Sumbawa): magnitude 3.4 earthquake

A magnitude 3.4 earthquake occurred at the volcano 21 hours ago. The quake, which might be volcanic in origin, was located at a depth of 23.00 km depth at 15 km distance SSE from the volcano.
Earthquake details:
3.4 quake 49 km west of Dompu, Kabupaten Dompu, West Nusa Tenggara, Indonesia, May 18, 2026 03:47 am (GMT +8) (15 km SSE)
All earthquakes at Tambora

Whale Island volcano (New Zealand): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 15 hours ago. The quake, which might be volcanic in origin, was located at a depth of 47.30 km depth at 15 km distance ENE from the volcano.
Earthquake details:
2.5 quake South Pacific Ocean, 22 km northeast of Whakatane, Bay of Plenty, New Zealand, May 18, 2026 02:02 pm (GMT +12) (15 km ENE)
All earthquakes at Whale Island
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/302739/Volcano-earthquake-report-for-Monday-18-May-2026.html