Volcano earthquake report for Thursday, 28 May 2026

Quakes detected near: Buzzard Creek (1 quake mag 1.8), Cagua (1 quake mag 2.6), Campi Flegrei (Phlegrean Fields) (6 quakes between mag 0.1-3.0), Clear Lake (32 quakes between mag 0.2-2.3), Colima (1 quake mag 2.5), Coso (1 quake mag 1.0)
Davidof (1 quake mag 1.7), El Chichón (2 quakes between mag 1.7-3.3), Eyafjallajökull (1 quake mag 1.4), Galunggung (1 quake mag 3.1), Jan Mayen (2 quakes between mag 1.5-1.6), Kawah Kamojang (1 quake mag 3.0), Kilauea (4 quakes between mag 1.8-2.3), Kolumbo (1 quake mag 1.7), Kupreanof (1 quake mag 1.9), La Palma (2 quakes between mag 1.3-1.5), Latukan (1 quake mag 2.5), Ljósufjöll (6 quakes between mag 0.0-1.0), Loihi (3 quakes between mag 1.8-2.0), Loki-Fögrufjöll volcano (3 quakes between mag 0.5-1.6), Mauna Kea (1 quake mag 1.7), Maunaloa (1 quake mag 1.9), Minami Kasuga (1 quake mag 4.7), Ngauruhoe (1 quake mag 1.0), Ontake-san (2 quakes between mag 2.5-2.7), Patoc (1 quake mag 2.1), Pelée (5 quakes between mag 0.1-1.1), Prestahnukur (1 quake mag 1.0), Sousaki (1 quake mag 2.0), Spurr (4 quakes between mag 0.3-1.2), Stromboli (1 quake mag 3.0), Takawangha (1 quake mag 1.3), Tenerife (1 quake mag 1.1), Torfajökull (2 quakes between mag 0.1-1.1), Usulután (1 quake mag 3.0) (updated 20h50)

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:

Cagua volcano (Luzon Island): magnitude 2.6 earthquake

A magnitude 2.6 earthquake occurred at the volcano 1 hour 28 minutes ago. The quake, which might be volcanic in origin, was located at a depth of 12.00 km depth at 19 km distance WSW from the volcano.
Earthquake details:
2.6 quake 41 km southeast of Aparri, Province of Cagayan, Cagayan Valley, Philippines, May 29, 2026 03:22 am (GMT +8) (19 km WSW)
All earthquakes at Cagua

Campi Flegrei (Phlegrean Fields) volcano (Italy): 6 earthquakes up to magnitude 3.0

6 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 40 minutes ago. Hypocenter depths ranged between 10.00 and 0.09 km.
Earthquake details: (only 5 largest)
Reported seismic-like event (likely no quake): 1.2 km west of Naples, Napoli, Campania, Italy, May 28, 2026 01:14 am (GMT +2) (10 km ENE)
1.2 quake Tyrrhenian Sea, 18 km northeast of Isola d'Ischia Island, Italy, May 28, 2026 08:25 pm (GMT +2) (5 km WSW)
0.7 quake 3.7 km east of Pozzuoli, Napoli, Campania, Italy, May 28, 2026 12:20 am (GMT +2) (1 km N)
0.4 quake 2.3 km east of Pozzuoli, Napoli, Campania, Italy, May 28, 2026 10:10 pm (GMT +2) (2 km NW)
0.3 quake 2.5 km east of Pozzuoli, Napoli, Campania, Italy, May 28, 2026 09:38 pm (GMT +2) (2 km NNW)
All earthquakes at Campi Flegrei (Phlegrean Fields)

Clear Lake volcano (California): 32 earthquakes up to magnitude 2.3

Possible earthquake swarm: 32 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 1 hour 16 minutes ago. Hypocenter depths ranged between 3.97 and 0.42 km.
Earthquake details: (only 5 largest)
2.3 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, May 28, 2026 07:52 am (GMT -7) (19 km S)
1.9 quake Sonoma County, 15 mi southwest of Clearlake, Lake County, California, United States, May 27, 2026 06:55 pm (GMT -7) (18 km SSW)
1.9 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, May 28, 2026 08:27 am (GMT -7) (16 km SSW)
1.8 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, May 27, 2026 02:48 pm (GMT -7) (16 km S)
1.6 quake Sonoma County, 13 mi southwest of Clearlake, Lake County, California, United States, May 27, 2026 10:15 pm (GMT -7) (18 km S)
All earthquakes at Clear Lake

Colima volcano (Western & Central Mexico): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 24.50 km depth at 19 km distance NW from the volcano.
Earthquake details:
2.5 quake 31 km west of Ciudad Guzman, Estado de Jalisco, Mexico, May 28, 2026 04:08 am (GMT -6) (19 km NW)
All earthquakes at Colima

El Chichón volcano (Southern Mexico): 2 earthquakes up to magnitude 3.3

2 earthquakes occurred near (under) the volcano during 39 minutes, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 4.80 and 3.00 km.
Earthquake details:
3.3 quake Estado de Chiapas, 36 km southwest of Teapa, Estado de Tabasco, Mexico, May 28, 2026 03:09 am (GMT -6) (1 km ESE)
1.7 quake 8.7 km west of Chapultenango, Estado de Chiapas, Mexico, May 28, 2026 03:49 am (GMT -6) (2 km E)
All earthquakes at El Chichón

Galunggung volcano (West Java): magnitude 3.1 earthquake

A magnitude 3.1 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 15 km distance ESE from the volcano.
Earthquake details:
3.1 quake 5.4 km northwest of Tasikmalaya, Kota Tasikmalaya, Jawa Barat, Indonesia, May 28, 2026 11:07 am (GMT +7) (15 km ESE)
All earthquakes at Galunggung

Kawah Kamojang volcano (West Java): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 19 km distance WNW from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 18 km south of Bandung, Kota Bandung, Jawa Barat, Indonesia, May 28, 2026 01:21 pm (GMT +7) (19 km WNW)
All earthquakes at Kawah Kamojang

Kilauea volcano (Hawai'i (Big Island)): 4 earthquakes up to magnitude 2.3

4 earthquakes occurred near (under) the volcano during 9 hours, the last being recorded quake 4 hours ago. Hypocenter depths ranged between 45.16 and 6.48 km.
Earthquake details:
2.3 quake 7.2 mi northeast of Pāhala, Hawaii County, Hawaii, United States, May 28, 2026 12:43 am (GMT -10) (19 km SW)
2.1 quake 10.7 mi south of Volcano, Hawaii County, Hawaii, United States, May 28, 2026 12:56 am (GMT -10) (16 km SE)
2.1 quake 37 mi southwest of Hilo, Hawaii County, Hawaii, United States, May 27, 2026 09:05 pm (GMT -10) (19 km SSW)
1.8 quake 32 mi south of Hilo, Hawaii County, Hawaii, United States, May 28, 2026 06:28 am (GMT -10) (13 km SSE)
All earthquakes at Kilauea

Latukan volcano (Mindanao): magnitude 2.5 earthquake

A magnitude 2.5 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 11.00 km depth at 10 km distance SE from the volcano.
Earthquake details:
2.5 quake 43 km north of Midsayap, Cotabato, Soccsksargen, Philippines, May 28, 2026 06:03 pm (GMT +8) (10 km SE)
All earthquakes at Latukan

Minami Kasuga volcano (Volcano Islands): magnitude 4.7 earthquake

A magnitude 4.7 earthquake occurred at the volcano 20 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 12 km distance E from the volcano.
Earthquake details:
4.7 quake North Pacific Ocean, 439 km northwest of Pagan Village, Northern Mariana Islands, May 28, 2026 11:14 am (GMT +10) (12 km E)
All earthquakes at Minami Kasuga

Ontake-san volcano (Honshu): 2 earthquakes up to magnitude 2.7

2 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 10.80 and 10.80 km.
Earthquake details:
2.7 quake 13 km northeast of Gero, Gifu, Japan, May 28, 2026 01:29 pm (GMT +9) (13 km W)
2.5 quake 12 km northeast of Gero, Gifu, Japan, May 28, 2026 11:03 pm (GMT +9) (13 km W)
All earthquakes at Ontake-san

Patoc volcano (Luzon Island): magnitude 2.1 earthquake

A magnitude 2.1 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 23.00 km depth at 19 km distance S from the volcano.
Earthquake details:
2.1 quake Province of Ifugao, 12 km south of Bontoc, Philippines, May 29, 2026 02:35 am (GMT +8) (19 km S)
All earthquakes at Patoc

Stromboli volcano (Eolian Islands): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 1 km distance ENE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 1.5 km southwest of Stromboli, Province of Messina, Sicily, Italy, May 28, 2026 09:03 am (GMT +2) (1 km ENE)
All earthquakes at Stromboli

Usulután volcano (El Salvador): magnitude 3.0 earthquake

A magnitude 3.0 earthquake occurred at the volcano 11 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 5 km distance SE from the volcano.
Earthquake details:
Reported seismic-like event (likely no quake): 29 km west of San Miguel, Departamento de San Miguel, El Salvador, May 28, 2026 03:57 am (GMT -6) (5 km SE)
All earthquakes at Usulután
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/303531/Volcano-earthquake-report-for-Thursday-28-May-2026.html