M 4.51 in United States on 21 Jun 2017 20:09 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: 38.12 Km
Lat/Lon: 18.9255 , -155.538
Event Date: 21 Jun 2017 20:09 UTC
21 Jun 2017 10:09 Local
Exposed Population:
110000 people within 100km
Source: HVO hv61807446
Inserted at: 21 Jun 2017 20:46 UTC
INFORM Coping capacity of the alert score
2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
HVO 0 0
hv61807446 Scaled population (vector) 0  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1171469 0 21 Jun 2017 20:09 4.51M, 38.12km 4.59 120 thousand (in 100km) 00:37 HVO
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 Hawaii (population 1,153,336) . The nearest places are Kaalualu, Naalehu, Waiahukini, Waiohinu, Honuapo, Hilea, Kuipo, Hawaiian Ocean View, Country Garden Estates, Pahala, and Papaloa.

Radius Population
100 km 120000 people
75 km 15000 people
50 km 7400 people
20 km 2000 people
10 km <1000 people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Hawaii United States 1.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Kaalualu Hawaii United States Village - 9 km
Naalehu Hawaii United States Village <1000 people 15 km
Waiahukini Hawaii United States Village - 16 km
Waiohinu Hawaii United States Village - 17 km
Honuapo Hawaii United States Village - 18 km
Hilea Hawaii United States Village - 23 km
Kuipo Hawaii United States Village - 27 km
Hawaiian Ocean View Hawaii United States Village 2200 people 27 km
Country Garden Estates Hawaii United States Village - 31 km
Pahala Hawaii United States Village 1400 people 31 km
Punaluu Kahawai Hawaii United States Village - 36 km
Papa Hawaii United States Village - 46 km
Milolii Hawaii United States Village - 47 km
Ainapo Hawaii United States Village - 49 km
Komakawai Hawaii United States Village - 57 km
Kaunene Hawaii United States Village - 60 km
Hookena Hawaii United States Village - 62 km
Kealia Hawaii United States Village - 63 km
Volcano House Hawaii United States Village - 63 km
Keokea Hawaii United States Village - 64 km
Honaunau Hawaii United States Village - 67 km
Papaloa Hawaii United States Village - 69 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
Kaalaiki Airstrip 599 0 22 km
Pahala Airstrip 364 0 33 km
Upper Paauau 792 0 33 km
Rainshed 1219 0 64 km
Mountain View Airstrip 457 0 83 km
Bradshaw AAF BSF 1886 Civ. Paved No 3600 92 km
Hilo Hospital 148 0 96 km

Ports

Name LOCODE Country Distance
Honuapo Wake Island 17 km
Milolii Wake Island 47 km
Kauhako Bay Wake Island 62 km
Napoopoo Wake Island 73 km
Kailua Wake Island 91 km

More information

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