M5.0 earthquake 10 km ENE of Carranglan, Philippines
A magnitude 5.0 earthquake struck 10 km ENE of Carranglan, Philippines on Thu, May 12, 1977, 11:00 PM GMT+9 (14:00 UTC), 16 km (10 mi) below the surface.
A larger quake followed: M5.7 3 km NNW of Bunol, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (mb), moderate
- Local time
- UTC
- 1977-05-12 14:00:57 UTC
- Depth
- 16.0 km (9.9 mi), shallow
- Epicenter
- 16.003° N, 121.150° E
- Region
- Philippines
- Strongest shaking
- VI, strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VI, strong shaking
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 117
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000nut (also filed as gcmtb051277d, gcmt19770512140057, atlas19770512140059, iscgem698423). Read Wed, Sep 23, 2026, 9:09 PM UTC.