M 6 in Guam from 23 Jun 2020 17:50 UTC to 17:50

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: 6.0M
Depth: 64.2 Km
Lat/Lon: 13.979 , 145.662
Event Date: 23 Jun 2020 17:50 UTC
24 Jun 2020 03:50 Local
Exposed Population: About 19000 people within 100km
Source: PTWC pt20175002
Inserted at: 23 Jun 2020 18:01 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
PTWC 0 0
pt20175002 Scaled population (vector) 3.51  
  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
1317314 0 23 Jun 2020 17:50 6M, 64.2km N/A 20 thousand (in 100km) 00:11 PTWC
1317317 0 23 Jun 2020 17:50 5.9M, 66.69km 4.23 N/A (in MMI>=VII) 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 Guam , of Guam (population 143,173) . The nearest places are Sinapalo, Rota, Teteto, and Songsong.

Radius Population
100 km 20000 people
75 km 2500 people
50 km <1000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

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

Affected populated places

Name Region Province Country City class Population Distance
Sinapalo Northern Mariana Islands Village - 51 km
Rota Northern Mariana Islands Village - 53 km
Teteto Northern Mariana Islands Village - 55 km
Songsong Northern Mariana Islands Village 1300 people 59 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
Rota I International ROP 185 Civ. Paved Yes 6000 50 km
Andersen AFB UAM 191 0 91 km

Ports

Name LOCODE Country Distance
Rota Northern Mariana Islands 58 km

More information

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