3 quakes hit Calayan, Cagayan over 2 days

At least three earthquakes have struck Calayan, Cagayan over two days, with magnitudes of 5.2, 4.9, and 5.5 respectively, according to PHIVOLCS.

The first quake occurred at 9:34 a.m. on Saturday, with its epicenter located 103 km north-northwest of Calayan and a depth of 25 km.

The second quake hit at 2:42 p.m. on Saturday, with an epicenter situated 23 km north-northwest of Calayan and a shallower depth of 10 km.

A third earthquake struck offshore Calayan on Sunday afternoon at 1:45 p.m., measuring magnitude 5.5 with its epicenter located 19.71°N, 121.43°E - 50 km N 05° west of Calayan and a depth of 32 km.

Both Saturday’s earthquakes were tectonic in origin, PHIVOLCS reported no significant damage or expected aftershocks from the first two quakes; however, Sunday's earthquake was also tectonic and is not expected to cause any damage but may be followed by aftershocks.