Tuesday, October 30, 1984 at 7:18 AM
1984-10-29 23:18 UTC · 5.731°, 125.543°
Magnitude
6.6 mw
Major
Depth
153 km
Intermediate
Energy
119.8 kilotons of TNT
Gutenberg–Richter
Coordinates
5.731°, 125.543°
Felt reports
—
Tsunami
No
Source
USGS
Region
Mindanao
Can cause serious damage over larger areas.
At 153 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: Cotabato Trench (~65 km away).
Area seismic-hazard score: 50/100 (high).
20 recorded M4.0+ events within 314 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.