Risque

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TypeEarthquake
StatutHistorique
NomSouthern Mid-Atlantic Ridge
Date18/09/2017
Heure05:28
PaysSaint Helena, Ascension and Tristan da Cunha
Origine18.5458000, -12.6962000
Carte de risqueShakeMap (XML, Gzippé), 14/10/2017 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
AccèsPublic
Créé: Système

Données du catalogue des tremblement de terre

NoHeureEpicentreProfondeur focaleMagnitudeCatalogue
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

Cartes de risque

NoDate
1.14/10/2017 08:02:04
2.18/09/2017 07:30:12
3.18/09/2017 05:50:08

Évaluation des risques

Risques naturels

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Scientifique

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