M 5.9 in Guam on 23 Jun 2020 17:50 UTC
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: 5.9M
Depth: 66.69 Km
Lat/Lon: 14.0038 , 145.5803
Event Date: 23 Jun 2020 17:50 UTC
24 Jun 2020 03:50 Local
Exposed Population: 100000 people in MMI>=IV
About 72000 people within 100km
Source: NEIC us6000ahcr
Inserted at: 24 Jun 2020 17:55 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
GDACS score
NEIC 0 0
us6000ahcr 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.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1317314 0 23 Jun 2020 17:50 6M, 64.2km N/A 20 thousand 00:11 PTWC
1317317 0 23 Jun 2020 17:50 5.9M, 66.69km 4.23 70 thousand 1d 00:04 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 unknowed a zone. The alertlevel for this event is GREEN

Intensity Population


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1317317 14.004/145.58 5.9 66.7 4.073 23 Jun 2020 18:11 00:21 (new episode)
2 0 1317317 14.004/145.58 5.9 66.7 4.053 23 Jun 2020 18:22 00:31 (upd of #1)
3 0 1317317 14.004/145.58 5.9 66.7 4.132 23 Jun 2020 19:53 02:03 (upd of #2)
4 0 1317317 14.007/145.538 5.9 68.1 4.227 23 Jun 2020 21:25 03:35 (upd of #3)
5 0 1317317 14.007/145.538 5.9 68.1 4.232 24 Jun 2020 17:55 1d 00:04 (upd of #4)

Affected Provinces


Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Teteto 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

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Rota I International ROP 185 Civ. Paved Yes 6000

Ports

Intensity Name LOCODE Country
Rota Northern Mariana Islands

More information

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