M 4.5 in Fiji on 31 Jul 2020 10:48 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: 4.5M
Depth: 528.53 Km
Lat/Lon: -17.8596 , -178.6882
Event Date: 31 Jul 2020 10:48 UTC
31 Jul 2020 22:48 Local
Exposed Population:
About 6000 people within 100km
Source: NEIC us6000b7dt
Inserted at: 31 Jul 2020 11:39 UTC
INFORM Coping capacity of the alert score
1.1 (Fiji)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000b7dt Scaled population (vector) 0  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1324201 0 31 Jul 2020 10:48 4.5M, 528.53km N/A 6 thousand (in 100km) 00:50 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 Fiji , of Fiji (population 755,000) . The nearest places are Tuvutha, Liku, Levuka, and Thikombia.

Radius Population
100 km 6200 people
75 km 5000 people
50 km 1800 people
20 km <1000 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Fiji Fiji 760000 people
Wallis & Futuna Wallis and Futuna 14000 people
Tonga Tonga 98000 people

Affected populated places

Name Region Province Country City class Population Distance
Tuvutha Fiji Village - 24 km
Liku Fiji Village - 41 km
Levuka Fiji Village - 43 km
Thikombia Fiji Village - 65 km

see full list

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.