Volcano earthquake report for Wednesday, 2 September 2026

Quakes detected near: Agua (2 quakes between mag 1.1-2.3), Askja (3 quakes between mag 0.5-1.1), Balut (4 quakes between mag 1.4-3.2), Bardarbunga (3 quakes between mag 0.4-1.1), Baru (4 quakes between mag 1.7-2.5), Barva (2 quakes between mag 1.3-1.8)
Cabalian (1 quake mag 1.7), Clear Lake (22 quakes between mag 0.2-1.3), Eldey (3 quakes between mag 1.0-1.7), Etna (1 quake mag 1.4), Gede-Pangrango (1 quake mag 4.3), Irazu (2 quakes between mag 1.3-1.7), Jailolo (1 quake mag 2.9), Katla (4 quakes between mag 0.0-1.3), Kilauea (2 quakes between mag 1.7-1.7), Kolumbo (1 quake mag 1.7), Loihi (4 quakes between mag 1.8-1.9), Malintang (1 quake mag 3.1), Martin (4 quakes between mag 0.5-2.2), Maunaloa (1 quake mag 1.7), Okataina (Tarawera) (1 quake mag 1.7), Poco Leok (1 quake mag 3.1), Puracé (1 quake mag 2.0), Ranakah (1 quake mag 3.1), Ruapehu (1 quake mag 1.3), Rumble V (1 quake mag 3.5), Svartsengi (3 quakes between mag 0.4-1.3), Tecapa (1 quake mag 2.3), Tjörnes Fracture Zone (2 quakes between mag 0.8-1.0), Torfajökull (1 quake mag 1.3), Whale Island (1 quake mag 2.2) (updated 04h50)\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:

Agua volcano (Guatemala): 2 earthquakes up to magnitude 2.3

2 earthquakes occurred near (under) the volcano during 8 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 10.10 and 5.40 km.
Earthquake details:
2.3 quake 6.7 km southeast of Antigua Guatemala, Departamento de Sacatepequez, Guatemala, Sep 1, 2026 02:05 pm (GMT -6) (9 km NE)
1.1 quake 6.4 km west of Villa Nueva, Departamento de Guatemala, Guatemala, Sep 1, 2026 05:55 am (GMT -6) (13 km NE)
All earthquakes at Agua
Agua is a prominent 3,760 m stratovolcano beside Antigua, Guatemala. It has no recorded eruptions, while a devastating mudflow destroyed Ciudad Vieja in 1541.

Balut volcano (Mindanao): 4 earthquakes up to magnitude 3.2

4 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 8 hours ago. Hypocenter depths ranged between 32.00 and 23.00 km.
Earthquake details:
3.2 quake Celebes Sea, 24 km west of Sarangani Island, Philippines, Sep 2, 2026 02:58 am (GMT +8) (13 km W)
1.6 quake Philippine Sea, 16 km northwest of Sarangani Island, Philippines, Sep 2, 2026 04:07 am (GMT +8) (17 km N)
1.5 quake Celebes Sea, 21 km west of Sarangani Island, Philippines, Sep 2, 2026 04:48 am (GMT +8) (10 km W)
1.4 quake Celebes Sea, 29 km west of Sarangani Island, Philippines, Sep 1, 2026 07:18 pm (GMT +8) (17 km W)
All earthquakes at Balut
Balut is an 840 m island stratovolcano south of Mindanao whose last known eruption occurred between about 2 million and 11,700 years ago. Hot springs and thermally altered ground occur on its western and southwestern flanks.

Baru volcano (Panama): 4 earthquakes up to magnitude 2.5

4 earthquakes occurred near (under) the volcano during 4 hours, the last being recorded quake 20 hours ago. Hypocenter depths ranged between 41.00 and 11.00 km.
Earthquake details:
2.5 quake 26 km north of David, Provincia de Chiriqui, Panama, Sep 1, 2026 04:07 am (GMT -5) (19 km SSE)
2.0 quake 30 km north of David, Provincia de Chiriqui, Panama, Aug 31, 2026 11:56 pm (GMT -5) (14 km SSE)
1.8 quake 28 km north of David, Provincia de Chiriqui, Panama, Aug 31, 2026 11:57 pm (GMT -5) (17 km SSE)
1.7 quake 45 km north of David, Provincia de Chiriqui, Panama, Aug 31, 2026 11:58 pm (GMT -5) (2 km NE)
All earthquakes at Baru

Clear Lake volcano (California): 22 earthquakes up to magnitude 1.3

Possible earthquake swarm: 22 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 6 hours ago. Hypocenter depths ranged between 24.18 and 0.56 km.
Earthquake details: (only 5 largest)
1.3 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Sep 1, 2026 05:15 am (GMT -7) (17 km S)
1.3 quake Lake County, 25 mi north of Santa Rosa, Sonoma County, California, United States, Sep 1, 2026 03:23 am (GMT -7) (19 km S)
1.1 quake 27 mi north of Santa Rosa, Sonoma County, California, United States, Sep 1, 2026 09:34 am (GMT -7) (17 km SSW)
1.1 quake 26 mi north of Santa Rosa, Sonoma County, California, United States, Sep 1, 2026 01:29 am (GMT -7) (17 km S)
1.0 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Sep 1, 2026 08:58 am (GMT -7) (15 km SSW)
All earthquakes at Clear Lake

Gede-Pangrango volcano (West Java): magnitude 4.3 earthquake

A magnitude 4.3 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 18 km distance SE from the volcano.
Earthquake details:
4.3 quake 11 km southwest of Cianjur, Kabupaten Cianjur, West Java, Indonesia, Sep 1, 2026 05:53 pm (Jakarta time) (18 km SE)
All earthquakes at Gede-Pangrango

Jailolo volcano (Halmahera): magnitude 2.9 earthquake

A magnitude 2.9 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 4 km distance SE from the volcano.
Earthquake details:
2.9 quake Maluku Sea, 30 km north of Ternate, Kota Ternate, North Maluku, Indonesia, Sep 1, 2026 05:42 pm (GMT +9) (4 km SE)
All earthquakes at Jailolo
Jailolo is a 993 m stratovolcano and caldera complex on western Halmahera, Indonesia. The GVP knows of no eruption during approximately the past 12,000 years, although youthful lava flows are present on its eastern flank.

Malintang volcano (Sumatra): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 24 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 14 km distance NW from the volcano.
Earthquake details:
3.1 quake Kabupaten Mandailing Natal, 98 km south of Padangsidempuan, Indonesia, Sep 1, 2026 12:04 pm (GMT +7) (14 km NW)
All earthquakes at Malintang

Martin volcano (Alaska Peninsula): 4 earthquakes up to magnitude 2.2

4 earthquakes occurred near (under) the volcano during 7 hours, the last being recorded quake 5 hours ago. Hypocenter depths ranged between 5.00 and 5.00 km.
Earthquake details:
2.2 quake 109 mi west of Kodiak, Kodiak Island Borough, Alaska, United States, Sep 1, 2026 03:41 pm (GMT -8) (4 km E)
0.8 quake 111 mi west of Kodiak, Kodiak Island Borough, Alaska, United States, Sep 1, 2026 08:29 am (GMT -8) (1 km NE)
0.7 quake Lake and Peninsula Borough, 111 mi west of Kodiak, Kodiak Island Borough, Alaska, United States, Sep 1, 2026 12:57 pm (GMT -8) (1 km SSE)
0.5 quake Lake and Peninsula Borough, 112 mi west of Kodiak, Kodiak Island Borough, Alaska, United States, Sep 1, 2026 11:53 pm (Universal Time) (2 km NNW)
All earthquakes at Martin

Poco Leok volcano (Flores): magnitude 3.1 earthquake

A magnitude 3.1 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 14 km distance SSW from the volcano.
Earthquake details:
3.1 quake 21 km south of Ruteng, Kabupaten Manggarai, East Nusa Tenggara, Indonesia, Sep 1, 2026 04:24 pm (GMT +8) (14 km SSW)
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.

Ranakah volcano (Flores): magnitude 3.1 earthquake

A magnitude 3.1 earthquake occurred at the volcano 22 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 16 km distance NNE from the volcano.
Earthquake details:
3.1 quake Kabupaten Manggarai Timur, 19 km northeast of Ruteng, Indonesia, Sep 1, 2026 02:42 pm (GMT +8) (16 km NNE)
All earthquakes at Ranakah
Ranakah is an Indonesian lava-dome cluster where Anak Ranakah formed during the explosive and effusive eruption of 1987–89. Weak ash emissions in 1991 are its last known eruption.

Rumble V volcano (New Zealand): magnitude 3.5 earthquake

A magnitude 3.5 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 5 km distance E from the volcano.
Earthquake details:
3.5 quake South Pacific Ocean, 253 km northeast of Tauranga, Bay of Plenty, New Zealand, Sep 1, 2026 10:38 pm (GMT +12) (5 km E)
All earthquakes at Rumble V

Tecapa volcano (El Salvador): magnitude 2.3 earthquake

A magnitude 2.3 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.00 km depth at 1 km distance W from the volcano.
Earthquake details:
2.3 quake 18 km northwest of Usulutan, Departamento de Usulutan, El Salvador, Sep 1, 2026 07:35 pm (GMT -6) (1 km W)
All earthquakes at Tecapa

Whale Island volcano (New Zealand): magnitude 2.2 earthquake

A magnitude 2.2 earthquake occurred at the volcano 9 hours ago. The quake, which might be volcanic in origin, was located at a depth of 5.00 km depth at 16 km distance SW from the volcano.
Earthquake details:
2.2 quake 13 km west of Whakatane, Bay of Plenty, New Zealand, Sep 2, 2026 07:39 am (GMT +12) (16 km SW)
All earthquakes at Whale Island
https://www.volcanodiscovery.com/earthquakes-volcanoes/news/340089/Volcano-earthquake-report-2026-09-02.html