Monday, August 21, 2023 at 4:56 AM
2023-08-20 20:56 UTC · 54.723°, -161.124°
Magnitude
4.5 mwr
Moderate
Depth
46 km
Shallow
Energy
85 tons of TNT
Gutenberg–Richter
Coordinates
54.723°, -161.124°
Felt reports
2
“Did You Feel It?”
Tsunami
No
Source
USGS
Region
—
Felt widely; can cause minor damage to weak structures.
At 46 km this was a shallow earthquake. Shallow quakes concentrate shaking near the epicentre and tend to be the most damaging.
This event sits in the Moderate range of the moment magnitude scale.
Nearest mapped structure: Manila Trench (~7593 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.