Sunday, October 9, 1988 at 8:30 AM
1988-10-09 00:30 UTC · 30.531°, 137.702°
Magnitude
5.2 mw
Strong
Depth
493 km
Deep
Energy
951 tons of TNT
Gutenberg–Richter
Coordinates
30.531°, 137.702°
Felt reports
—
Tsunami
No
Source
USGS
Region
—
Can cause damage to buildings and infrastructure near the epicentre.
At 493 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: Manila Trench (~2088 km away). Last major event: 1934 Manila Trench Earthquake.
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.