Thursday, September 21, 2017 at 4:09 AM
2017-09-20 20:09 UTC · -18.785°, 169.095°
Magnitude
6.4 mww
Major
Depth
197 km
Intermediate
Energy
60.0 kilotons of TNT
Gutenberg–Richter
Coordinates
-18.785°, 169.095°
Felt reports
12
“Did You Feel It?”
Tsunami
Flagged
Source
USGS
Region
—
Can cause serious damage over larger areas.
At 197 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: Philippine Trench (~5267 km away). Last major event: 2012 Samar Earthquake (M7.6).
Area seismic-hazard score: 8/100 (low).
20 recorded M4.0+ events within 306 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.