M 6.8 in Tonga from 01 Oct 2024 20:05 UTC to 20:05

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: 6.8M
Depth: 10 Km
Lat/Lon: -19.672 , -172.54
Event Date: 01 Oct 2024 20:05 UTC
01 Oct 2024 08:05 Local
Exposed Population: 20 thousand in MMI IV
Source: PTWC pt24275001
Inserted at: 01 Oct 2024 20:12 UTC
INFORM Coping capacity of the alert score: 1.1 (Tonga)

GDACS Score

For more info on GDACS score click here.
  Earthquake
(Rapid Impact)		 Tsunami GDACS score
PTWC 0 0.1 0.1
pt24275001 Scaled population (raster) 0 Max wave alert 0.19m  
  C1 rapid impact 0 Max wave realtime 0.19m  
  C2 rapid impact 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
Maximum expected impact using different data sources.

The green area correspond to areas affected by strong shaking (MMI VI or higher) according to the simulation.


Episode Timeline

IDLevelScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1596048 0 01 Oct 2024 20:05 6.8M, 10km 4.13 N/A (in MMI>=VII) 0.2m (at 00:24) 00:06 PTWC
1596049 0 01 Oct 2024 20:05 6.8M, 10km 4.22 N/A (in MMI>=VII) 0.1m (at 00:24) 00:08 NTWC
1596055 0 01 Oct 2024 20:05 6.6M, 10km 4.31 N/A (in MMI>=VII) 0m (at 00:00) 00:13 NEIC
1596065 0 01 Oct 2024 20:05 6.6M, 10km 4.18 N/A (in MMI>=VII) 0m (at 00:00) 00:54 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.

Rapid Impact

The results presented below are calculated with the ShakeMap open source software (USGS) using only earthquake hypocenter information to provide a rapid estimation of the ground motion and shaking intensity without taking into account any instrumental observations or earthquake source scaling laws.

Exposed population

The earthquake happened in unknowed a zone. The alertlevel for this event is GREEN

Intensity Population
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.