Moderate magnitude 4.8 quake hits 49 km southeast of Basco, Philippines early afternoon

Just 9 minutes ago, a 4.8-magnitude earthquake struck near Basco, Batanes, Cagayan Valley, Philippines. The tremor was recorded early afternoon on Saturday, November 1st, 2025, at 2:57 pm local time, at an intermediate depth of 131.10 km below the surface.
The event was filed by the German Research Centre for Geosciences (GFZ), the first seismological agency to report it.
A second report was later issued by the citizen-seismograph network of RaspberryShake, which listed it as a magnitude 4.8 earthquake as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Uyugan (pop. 1,400) located 44 km from the epicenter, Ivana (pop. 1,400) 47 km away, Mahatao (pop. 1,700) 48 km away, Sabtang (pop. 1,700) 48 km away, Basco (pop. 7,300) 49 km away, and Itbayat (pop. 3,100) 88 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you’re in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

Earthquake data:
Date & time: Nov 1, 2025 02:57 pm (GMT +8) local time (1 Nov 2025 06:57 GMT)
Magnitude: 4.8
Depth: 131.10 km
Epicenter latitude / longitude: 20.09°N / 122.25°E (Cagayan Valley, Philippines)
Primary data source: GFZ
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