Monday, September 5, 1983 at 4:52 AM
1983-09-04 20:52 UTC · -20.998°, 169.801°
Magnitude
5.5 mb
Strong
Depth
112 km
Intermediate
Energy
2.7 kilotons of TNT
Gutenberg–Richter
Coordinates
-20.998°, 169.801°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 112 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 (~5444 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
1 recorded M4.0+ event within 270 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.