Tuesday, October 18, 1983 at 2:39 PM
1983-10-18 06:39 UTC · 0.037°, 123.336°
Magnitude
5.0 mb
Strong
Depth
188 km
Intermediate
Energy
477 tons of TNT
Gutenberg–Richter
Coordinates
0.037°, 123.336°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 188 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: Cotabato Trench (~557 km away).
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.