Saturday, July 21, 1979 at 6:44 AM
1979-07-20 22:44 UTC · -23.346°, -179.941°
Magnitude
5.4 mb
Strong
Depth
530 km
Deep
Energy
1.9 kilotons of TNT
Gutenberg–Richter
Coordinates
-23.346°, -179.941°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 530 km this was a deep earthquake. Deep quakes are felt over very large areas but rarely cause surface damage.
This event sits in the Strong range of the moment magnitude scale.
Nearest mapped structure: Philippine Trench (~6618 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.