M 4.5 in Northern Mariana Islands on 30 Aug 2020 01:42 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: 63.28 Km
Lat/Lon: 14.0759 , 145.9496
Event Date: 30 Aug 2020 01:42 UTC
30 Aug 2020 11:42 Local
Exposed Population:
About 2000 people within 100km
Source: NEIC us7000bewd
Inserted at: 30 Aug 2020 02:01 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us7000bewd Scaled population (vector) 2.42  
  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
1329213 0 30 Aug 2020 01:42 4.5M, 63.28km N/A 3 thousand (in 100km) 00:19 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 Northern Mariana Islands , of Northern Mariana Is. (population 60,963) .

Radius Population
100 km 2500 people
75 km <1000 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Northern Mariana Is. Northern Mariana Islands 61000 people
Guam Guam 140000 people

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
Rota I International ROP 185 Civ. Paved Yes 6000 77 km

Ports

Name LOCODE Country Distance
Rota Northern Mariana Islands 87 km

More information

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