M 6 in Northern Mariana Islands on 11 Feb 2018 23:14 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: 6.0M
Depth: 10 Km
Lat/Lon: 13.8056 , 146.4109
Event Date: 11 Feb 2018 23:14 UTC
12 Feb 2018 09:14 Local
Exposed Population: No people within 100km
Source: NEIC us2000d0p1
Inserted at: 11 Feb 2018 23:32 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
us2000d0p1 Scaled population (vector) -8  
  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
1198498 0 11 Feb 2018 23:14 6.2M, 41.9km N/A No people affected (in 100km) 0m (at 00:00) 00:09 PTWC
1198501 0 11 Feb 2018 23:14 6M, 10km 3.64 N/A (in MMI>=VII) 00:17 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 29,158) . The alertlevel for this event is GREEN

Intensity Population
no people
<1000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1198501 13.806/146.411 6 10 3.34 11 Feb 2018 23:34 00:20 (new episode)
2 0 1198501 13.806/146.411 6 10 3.64 12 Feb 2018 01:18 02:04 (upd of #1)

Affected Provinces

Intensity Region Province Country Population
Northern Mariana Is. Northern Mariana Islands 43000 people
Guam Guam 150000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Rota Northern Mariana Islands Village - 136 km
Teteto Northern Mariana Islands Village - 137 km
Sunharon Roads Northern Mariana Islands Village - 153 km
Aslito Northern Mariana Islands Village - 161 km
Asatdas Guam Village - 165 km
Upi Guam Village - 165 km
Chalan Kanoa Northern Mariana Islands Village 3200 people 166 km
Saipan Northern Mariana Islands Capital 62000 people 168 km
Tanapag Northern Mariana Islands Village 4300 people 171 km
Mutcho Northern Mariana Islands Village - 172 km
Garapan Northern Mariana Islands Village 4100 people 172 km
Dededo Guam Village 3300 people 173 km
Camp Quezon Guam Village - 178 km
Barrigada Guam Village 4700 people 178 km
Tamuning Guam Village 11000 people 180 km
Mongmong Guam Village 3700 people 182 km
Yona Guam Village 2300 people 183 km
Sinajana Guam Village 2100 people 184 km
Hagåtña Guam Capital 1000 people 184 km
Ylig Guam Village - 184 km
Talofofo Guam Village 2700 people 186 km
Asan Guam Village - 187 km
Piti Guam Village - 190 km
Inarajan Guam Village <1000 people 190 km
Santa Rita Guam Village 1300 people 194 km
Camp Bright Guam Village - 194 km
Agat Guam Village 4400 people 195 km
Umatac Guam Village - 197 km
Merizo Guam Village 1700 people 198 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) Distance
Rota I International ROP 185 Civ. Paved Yes 6000 133 km
Dynasty 46 0 153 km
West Tinian TIQ 82 Civ. Paved Yes 5900 157 km
Andersen AFB UAM 191 0 163 km
Saipan International SPN 66 Civ. Paved Yes 8700 163 km
Commonwealth Health Center 5 0 172 km
Nikko 18 0 174 km
A.B. Won Pat International GUM 91 0 178 km

Ports

Intensity Name LOCODE Country Distance
Rota Northern Mariana Islands 141 km
Tinian Northern Mariana Islands 155 km
Saipan MPSPN Northern Mariana Islands 172 km
Apra (Agana) GUAPR Guam 192 km
Apra Harbor Guam 198 km
Farallon de Medinilla Northern Mariana Islands 248 km

More information

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