M 5.4 in Tonga on 21 Jul 2016 15:18 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

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: 5.4M
Depth: 10 Km
Lat/Lon: -23.5644 , -175.5662
Event Date: 21 Jul 2016 15:18 UTC
21 Jul 2016 03:18 Local
Exposed Population:
No people within 100km
Source: NEIC us20006gfh
Inserted at: 22 Jul 2016 15:12 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us20006gfh Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1134448 0 21 Jul 2016 15:18 5.3M, 10km N/A No people affected (in 100km) 00:29 NEIC
1134525 0 21 Jul 2016 15:18 5.4M, 10km N/A No people affected (in 100km) 23:53 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

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.