M 5.5 in Tonga on 17 Jun 2024 14:05 UTC

Hazard models

Rapid Impact
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: 5.5M
Depth: 10 Km
Lat/Lon: -18.8182 , -173.2767
Event Date: 17 Jun 2024 14:05 UTC
17 Jun 2024 02:05 Local
Exposed Population: 10 thousand in MMI IV
Source: NEIC us7000mt0e
Inserted at: 17 Jun 2024 14:28 UTC
INFORM Coping capacity of the alert score
1.1 (Tonga)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000mt0e Scaled population (raster) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1577267 0 17 Jun 2024 14:05 5.5M, 10km 3.86 N/A (in MMI>=VII) 00:23 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 13000 people
75 km 3000 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.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Vavau International VAV 72 Civ. Unpaved Yes 5500 77 km

Ports

Name LOCODE Country Distance
Neiafu TONEI Tonga 76 km

More information

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