Hazard

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TypeEarthquake
StatusHistorical
NameSouthern Mid-Atlantic Ridge
Date2017/09/18
Time05:28
CountrySaint Helena, Ascension and Tristan da Cunha
Origin18.5458000, -12.6962000
Hazard MapShakeMap (XML, Gzipped), 2017/10/14 08:02:04
Moment Magnitude5.5
Body-wave Magnitude5.7
Energy Magnitude5.4361
Focal Depth10 km
Tectonic SettingActive Shallow
Seismic Moment1.9953·1024 dyn·cm (1.9953·1017 J)
Radiated Seismic Energy3192419703950 J
AccessPublic
Created: System

Earthquake Catalog Data

NoTimeEpicenterFocal DepthMagnitudeCatalog
1.05:28:0318.5262000, -12.716200010 km5.7 m<sub>b</sub>USGS
2.05:28:0218.5458000, -12.696200010 km5.5 M<sub>w</sub>USGS

Hazard Maps

NoDate
1.2017/10/14 08:02:04
2.2017/09/18 07:30:12
3.2017/09/18 05:50:08

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