M 5.5 in Southwest Indian Ridge on 10 Jul 2018 16:05 UTC
EQ parameters

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 5.5M
Depth: 10 Km
Lat/Lon: -31.5837 , 58.1366
Event Date: 10 Jul 2018 16:05 UTC
10 Jul 2018 20:05 Local
Exposed Population: No people within 100km
Source: NEIC us2000g1ay
Inserted at: 10 Jul 2018 16:26 UTC
INFORM Coping capacity of the alert score: 1.1 ()


For more info on GDACS alert score click here.
GDACS score
NEIC 0 0
us2000g1ay Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1218854 0 10 Jul 2018 16:05 5.5M, 10km N/A No people affected 00:21 NEIC
1218871 0 10 Jul 2018 16:05 5.6M, 10km N/A No people affected 02:13 NEIC
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened off shore.

Radius Population
100 km no people
75 km no people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.