M 5.6 in Northern Mariana Islands on 20 Jul 2018 23:56 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: 125.75 Km
Lat/Lon: 18.4709 , 145.9983
Event Date: 20 Jul 2018 23:56 UTC
21 Jul 2018 09:56 Local
Exposed Population: No people within 100km
Source: NEIC us2000gaa3
Inserted at: 21 Jul 2018 00:16 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
(Shakemap)		 GDACS score
NEIC 0 0
us2000gaa3 Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1220487 0 20 Jul 2018 23:56 5.6M, 125.75km 3.59 N/A (in MMI>=VII) 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) . The nearest places are Marasu, and Shomushon.

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

Affected populated places

Name Region Province Country City class Population Distance
Marasu Northern Mariana Islands Village - 42 km
Shomushon Northern Mariana Islands Village - 45 km

see full list

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 45 km

Ports

Name LOCODE Country Distance
Pagan Island Northern Mariana Islands 45 km

More information

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