Philippines earthquakes

M5.5 earthquake 38 km S of Dicabisagan, Philippines

A magnitude 5.5 earthquake struck 38 km S of Dicabisagan, Philippines on Sat, Mar 19, 1977, 6:16 AM GMT+8 (22:16 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M5.8 30 km SSW of Dicabisagan, Philippines. This one was a foreshock.

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The earthquake

Magnitude: 5.5 (Mw, moment), moderate
Magnitude from: ISC-GEM global catalog
Local time: Sat, Mar 19, 1977, 6:16 AM GMT+8
UTC: 1977-03-18 22:16:31 UTC
Depth: 15.0 km (9.3 mi), shallow
Epicenter: 16.739° N, 122.438° E
Region: Philippines
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty: ±0.23
Depth from: From location

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.5 and up: 37 in the 60 days after this one and 2 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem701256. Read Fri, Oct 2, 2026, 12:21 AM UTC.