M 4.5 in Mariana Islands on 27 May 2022 15:47 UTC

Hazard models

Rapid Impact
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: 186.61 Km
Lat/Lon: 14.0303 , 144.6883
Event Date: 27 May 2022 15:47 UTC
28 May 2022 01:47 Local
Exposed Population:
170 thousand in 100km
Source: NEIC us7000hd4e
Inserted at: 27 May 2022 16:11 UTC
INFORM Coping capacity of the alert score
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 GDACS score
NEIC 0 0
us7000hd4e Scaled population (vector) 0  
  C1 rapid impact -0.59  
  C2 rapid impact 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
1445478 0 27 May 2022 15:47 4.5M, 186.61km 2.87 170 thousand (in 100km) 00:23 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 off shore.

Radius Population
100 km 170000 people
75 km 170000 people
50 km <1000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Affected populated places

Name Region Province Country City class Population Distance
Songsong Northern Mariana Islands Village 1300 people 51 km
Potts Junction Guam Village - 52 km
Oceanview Guam Village - 53 km
Upi Guam Village - 54 km
Dededo Guam Village 3300 people 56 km
Harmon Village Guam Village - 56 km
Asatdas Guam Village - 57 km
Teteto Northern Mariana Islands Village - 57 km
Rota Northern Mariana Islands Village - 57 km
Spring Hill Subdivision Guam Village - 58 km
Lupog Guam Village - 59 km
Ipapao Guam Village - 60 km
South Acres Guam Village - 60 km
Perez Acres Guam Village - 60 km
Gayinero Guam Village - 60 km
Sinapalo Northern Mariana Islands Village - 61 km
Tamuning Guam Village 11000 people 61 km
Asan Guam Village - 62 km
Mongmong Guam Village 3700 people 62 km
Adacao Guam Village - 62 km
Hagåtña Guam Capital 1000 people 63 km
Piti Guam Village - 63 km
Barrigada Guam Village 4700 people 63 km
Sinajana Guam Village 2100 people 63 km
Asbeco Guam Village - 65 km
Camp Quezon Guam Village - 66 km
Lockwood Terrace Guam Village - 66 km
Camp Bright Guam Village - 68 km
Yona Guam Village 2300 people 70 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
Andersen AFB UAM 191 0 55 km
A.B. Won Pat International GUM 91 0 62 km
Rota I International ROP 185 Civ. Paved Yes 6000 62 km

Ports

Name LOCODE Country Distance
Rota Northern Mariana Islands 51 km
Apra (Agana) GUAPR Guam 65 km
Apra Harbor Guam 65 km

More information

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