M 5.6 in Tonga on 03 Jun 2018 00:48 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: 5.6M
Depth: 10 Km
Lat/Lon: -19.4045 , -173.6821
Event Date: 03 Jun 2018 00:48 UTC
02 Jun 2018 12:48 Local
Exposed Population: About 20000 people within 100km
Source: NEIC us1000ehmb
Inserted at: 03 Jun 2018 01:10 UTC
INFORM Coping capacity of the alert score: 4.6 (Tonga)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us1000ehmb Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.94  
Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1212911 0 03 Jun 2018 00:48 5.6M, 10km 3.85 N/A (in MMI>=VII) 00:21 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 in Tonga ,of Tonga (population 13,748) . The alertlevel for this event is GREEN

Intensity Population
no people
<1000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1212911 -19.404/-173.682 5.6 10 3.55 03 Jun 2018 01:15 00:27 (new episode)
2 0 1212911 -19.404/-173.682 5.6 10 3.85 03 Jun 2018 02:56 02:08 (upd of #1)

Affected Provinces

Intensity Region Province Country Population
Tonga Tonga 14000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Pangai Tonga Village 1700 people 84 km
Neiafu Tonga Village 4300 people 89 km

see full list


Critical infrastructure

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

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Haapai HPA 12 Civ. Unpaved Yes 3900 81 km
Vavau International VAV 72 Civ. Unpaved Yes 5500 95 km

Ports

Intensity Name LOCODE Country Distance
Pangai TOPAN Tonga 83 km
Neiafu TONEI Tonga 89 km

More information

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