Tuesday, October 18, 1977 at 4:31 PM
1977-10-18 08:31 UTC · -6.329°, 130.379°
Magnitude
5.4 mb
Strong
Depth
113 km
Intermediate
Energy
1.9 kilotons of TNT
Gutenberg–Richter
Coordinates
-6.329°, 130.379°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 113 km this was a intermediate earthquake. Intermediate-depth quakes spread shaking over a wider area but are usually less destructive at the surface.
This event sits in the Strong range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~1300 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.