M 4.7 in New Zealand on 21 Jul 2013 06:59 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: 4.7M
Depth: 10 Km
Lat/Lon: -41.6215 , 174.4
Event Date: 21 Jul 2013 06:59 UTC
21 Jul 2013 18:59 Local
Exposed Population:
No people within 100km
Source: NEIC
Inserted at: 21 Jul 2013 09:56 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
1000750 0 21 Jul 2013 06:59 4.7M, 10km N/A No people affected (in 100km) 02:57 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 New Zealand , County of Nelson-Marlborough. The nearest places are and Wellington.

Radius Population
100 km 460000 people
75 km 400000 people
50 km 180000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Country Region Province Population
New Zealand Nelson-Marlborough -
New Zealand Wellington 150000 people

Affected populated places

Name Region Province Country City class Population Distance
Wellington Wellington New Zealand Capital 180000 people 43 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
Picton Koromiko PCN unknown 42 km
Wellington International WLG 12 Civ. Paved Yes 6300 44 km
Woodbourne BHE 33 Civ. Paved Yes 4600 46 km

Ports

Name LOCODE Country Distance
Cape Campbell New Zealand 20 km
Blenheim NZBHE New Zealand 29 km

More information

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