Wednesday, April 19, 1978 at 1:27 AM
1978-04-18 17:27 UTC · 5.142°, 127.410°
Magnitude
6.0 mb
Major
Depth
128 km
Intermediate
Energy
15.1 kilotons of TNT
Gutenberg–Richter
Coordinates
5.142°, 127.410°
Felt reports
—
Tsunami
No
Source
USGS
Region
Philippine Sea
Can cause serious damage over larger areas.
At 128 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 Major range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~2 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 40/100 (moderate).
10 recorded M4.0+ events within 290 km in the 90 days after this earthquake.
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.