M 4.5 in United States on 28 Jul 2015 01:18 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: 4.5M
Depth: 5 Km
Lat/Lon: 35.9987 , -97.5809
Event Date: 28 Jul 2015 01:18 UTC
27 Jul 2015 20:18 Local
Exposed Population:
1432604 people within 100km
Source: NEIC
Inserted at: 28 Jul 2015 01:32 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1090030 0 28 Jul 2015 01:18 4.5M, 5km 5.51 1.4 million (in 100km) 00:14 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 United States , State of Oklahoma (population 3,273,622) . The nearest places are Oklahoma City, Crescent, and Lovell.

Radius Population
100 km 1.4 million people
75 km 1.1 million people
50 km 300000 people
20 km 9500 people
10 km 2500 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Oklahoma United States 3.3 million people

Affected populated places

Name Region Province Country City class Population Distance
Crescent Oklahoma United States Village 1300 people 6 km
Lovell Oklahoma United States Village - 7 km
Oklahoma City Oklahoma United States Major city 510000 people 58 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
Myers 323 2 km
Sky High 335 7 km
Siegmanns 321 15 km
Hawk Haven 328 17 km

Dams

Reservoir Dam Name River Year Distance
Carl Blackwell Lake Stillwater Creek 1937 38 km

More information

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