How strong was the 118 km WSW of Adak, Alaska earthquake?
The 118 km WSW of Adak, Alaska earthquake had a magnitude of 6.4 mww, classified as a "Strong" earthquake on the magnitude scale. Earthquakes of this size can cause serious damage to buildings and infrastructure over a wide area.
Where exactly did this earthquake occur and how deep was it?
This earthquake struck at coordinates 51.5920N, 178.2950W, at a depth of 16.0 km. Shallow earthquakes (under 20 km) tend to cause more surface damage than deeper events.
Did this earthquake trigger a tsunami warning?
No tsunami warning was issued for this earthquake. Earthquakes below magnitude 6.5 rarely generate dangerous tsunamis, though localized effects are possible in rare cases.
How many people felt this earthquake?
3 people submitted felt reports to the USGS for this earthquake. The Community Decimal Intensity (CDI) reached 6.8, indicating strong to very strong shaking with potential for damage.
When did this earthquake happen and how significant was it?
This earthquake occurred on September 27, 2012 at 08:39:55. The USGS assigned it a significance score of 632 out of a possible 3,000, which factors in magnitude, felt reports, and potential impact. This is a moderately significant seismic event.