Hazard

TypeEarthquake
StatusHistorical
Name41km S of Tanaga Volcano, Alaska
Date2018/08/15
Time21:56
CountryUnited States
Origin51.4215000, -178.0516000
Hazard MapShakeMap (XML, Gzipped), 2018/08/31 23:05:55
Moment Magnitude6.6
Energy Magnitude6.5361
Focal Depth20 km
Tectonic SettingActive Shallow
Seismic Moment8.9125·1025 dyn·cm (8.9125·1018 J)
Radiated Seismic Energy1.426·1014 J
AccessPublic
Created: System

Earthquake Catalog Data

NoTimeEpicenterFocal DepthMagnitudeCatalog
1.21:56:5651.5088000, -178.077300031.6 km6.6 M<sub>w</sub>USGS
2.21:56:5451.4350000, -178.054300020 km6.6 M<sub>w</sub>USGS
3.21:56:5451.4215000, -178.051600020 km6.6 M<sub>w</sub>USGS

Hazard Maps

NoDate
1.2018/08/31 23:05:55
2.2018/08/15 23:58:58
3.2018/08/15 22:15:29

Risk Assessment

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