M 7.9 in United States on 23 Jun 2014 20:53 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: 7.9M
Depth: 107.49 Km
Event Date: 23 Jun 2014 20:53 UTC
23 Jun 2014 11:53 Local
Exposed Population:
No people within 100km
Source: NEIC
Inserted at: 23 Jun 2014 22:50 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC n.a 0.8 0.8
Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0.87m  
  C2 earthquake n.a      
  Country Vulnerability n.a      
  INFORM_normalised n.a      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1053718 0 23 Jun 2014 20:53 7.1M, 93km N/A No people affected (in 100km) 0m (at 00:00) 00:04 NEIC
1053721 0.8 23 Jun 2014 20:53 7.9M, 95km N/A No people affected (in 100km) 0.9m (at 00:44) 00:09 GEOFON
1053724 0.5 23 Jun 2014 20:53 8M, 114.42km N/A No people affected (in 100km) 0.9m (at 00:44) 00:17 NEIC
1053753 0.8 23 Jun 2014 20:53 7.9M, 107.49km N/A No people affected (in 100km) 0.9m (at 00:44) 01:56 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.

Tsunami affected locations

The maximum Wave height is  0.9m in Amchitka, United States. This height is estimated for 23-Jun-2014 21:37:00.

Alert Date (UTC) Name Country Wave height (m)
23-Jun-2014 21:37:00 Amchitka United States  0.9
24-Jun-2014 01:37:00 Machevna Russia  0.3
24-Jun-2014 00:53:00 Olyutorskiy Russia  0.2
24-Jun-2014 00:53:00 Apuka Russia  0.2
24-Jun-2014 00:03:00 Krasnaya Russia  0.2
24-Jun-2014 00:29:00 Kavacha Russia  0.2
24-Jun-2014 01:19:00 Yemet Russia  0.2
23-Jun-2014 23:51:00 Lyuri Russia  0.2
23-Jun-2014 23:47:00 Tkeenmon Russia  0.2
24-Jun-2014 01:39:00 Vatyna Russia  0.2
24-Jun-2014 01:17:00 Adak_Station United States  0.1
23-Jun-2014 23:33:00 Druzhnyy Russia  0.1
23-Jun-2014 23:57:00 Ukelayat Russia  0.1
23-Jun-2014 23:53:00 Omeleut Russia  0.1
24-Jun-2014 01:51:00 Olyutorka Russia  0.1
24-Jun-2014 01:51:00 Kultushino Russia  0.1
24-Jun-2014 01:51:00 Kultushnoe Russia  0.1
23-Jun-2014 23:49:00 Il'pi Russia  0.1
24-Jun-2014 01:43:00 Attu United States  0.1
23-Jun-2014 21:59:00 Navy_Town United States  0.1
24-Jun-2014 00:09:00 Atka United States  0.1
23-Jun-2014 23:25:00 Novoolyutorka Russia  0.1
23-Jun-2014 21:55:00 Village United States  0.1
23-Jun-2014 23:41:00 Khatyrka Russia  0.1
23-Jun-2014 23:43:00 Nikolski United States  0.1
23-Jun-2014 23:33:00 Khatyn Russia  0.1
23-Jun-2014 23:57:00 Vyvenka Russia  0.1
24-Jun-2014 00:57:00 Nagornyy Russia  0.1
24-Jun-2014 00:57:00 Beringovskiy Russia  0.1
23-Jun-2014 23:55:00 Otpryadoshi Russia  0.1
24-Jun-2014 00:31:00 Druzhba Russia  0.1

See full locations list (RSS)


Initial conditions

Title: "M7.9 Rat Islands. Aleutian Islands"

Fault parameters

  • Latitude: NaN
  • Longitude: NaN
  • Length: 141 km
  • Width: 39 km
  • Magnitude: 7.9 M

Okada parameters:

  • Slip: 3.6 m
  • Strike: 273 (geogr angle: north=0, south=180)
  • Dip: 15 degree
  • Rake: 90 degree
  • Depth: 95 km

Calculation parameters

  • Calculation space (lon/lat): 165.28, 38.3, 192.28, 65.3
  • Instead of Step -> use Cell size:2.25 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

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