M 4.5 in Northern Mariana Islands on 18 Oct 2020 06:07 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: 483.88 Km
Lat/Lon: 17.5059 , 145.4194
Event Date: 18 Oct 2020 06:07 UTC
18 Oct 2020 16:07 Local
Exposed Population:
No people within 100km
Source: NEIC us6000c94r
Inserted at: 18 Oct 2020 06:27 UTC
INFORM Coping capacity of the alert score
1.1 (Northern Mariana Is.)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us6000c94r 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
1338238 0 18 Oct 2020 06:07 4.5M, 483.88km N/A No people affected (in 100km) 00:20 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 no people
75 km no 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
Pagan Airstrip 10 0 78 km

Ports

Name LOCODE Country Distance
Guguan Island Northern Mariana Islands 51 km
Pagan Island Northern Mariana Islands 78 km

More information

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