Monday, July 4, 1977 at 3:19 AM
1977-07-03 18:19 UTC · 5.694°, 127.009°
Magnitude
5.1 mb
Strong
Depth
73 km
Intermediate
Energy
674 tons of TNT
Gutenberg–Richter
Coordinates
5.694°, 127.009°
Felt reports
—
Tsunami
No
Source
USGS
Region
Philippine Sea
Can cause damage to buildings and infrastructure near the epicentre.
At 73 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 (~14 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 41/100 (moderate).
Data from USGS. Magnitudes and locations are preliminary and may be revised. For official information consult PHIVOLCS / USGS.