M 6.9 in United States on 04 May 2018 22:32 UTC

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: 6.9M
Depth: 5 Km
Lat/Lon: 19.3702 , -155.0321
Event Date: 04 May 2018 22:32 UTC
04 May 2018 12:32 Local
Exposed Population: Less then 100 people in MMI VIII
130000 people within 100km
Source: NEIC us1000dyad
Inserted at: 04 May 2018 23:02 UTC
INFORM Coping capacity of the alert score: 2.2 (United States)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)
Tsunami GDACS score
NEIC 0.3 0.7 0.7
us1000dyad Scaled population (vector) 2.32 Max wave scenario 0m  
  C1 shakemap -0.59 Max wave realtime 0.71m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.65      
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
1209235 0.7 04 May 2018 22:32 6.9M, 5km 7.96 2 thousand (in MMI>=VII) 0.7m (at 00:01) 00:29 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 ,of Hawaii. The alertlevel for this event is GREEN

Intensity Population
<1000 people
1900 people
79000 people
23000 people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0.8 1209235 19.37/-155.032 6.9 5 8.43 04 May 2018 23:17 00:44 (new episode)
2 0.8 1209235 19.37/-155.032 6.9 5 8.43 04 May 2018 23:54 01:21 (upd of #1)
3 0.1 1209235 19.37/-155.032 6.9 5 7.95 05 May 2018 02:14 03:42 (upd of #2)
4 0.1 1209235 19.37/-155.032 6.9 5 7.95 05 May 2018 15:39 17:06 (upd of #3)
5 0.7 1209235 19.37/-155.032 6.9 5 8.78 05 May 2018 15:43 17:10 (upd of #4)
6 0.3 1209235 19.37/-155.032 6.9 5 8.03 05 May 2018 17:00 18:27 (upd of #5)
7 0.3 1209235 19.448/-155.048 6.9 5 8.04 07 May 2018 23:09 3d 00:36 (upd of #6)
8 0.3 1209235 19.424/-155.038 6.9 5 8.04 08 May 2018 00:00 3d 01:27 (upd of #7)
9 0.6 1209235 19.313/-154.998 6.9 2.06 8.16 08 May 2018 04:39 3d 06:06 (upd of #8)
10 0.3 1209235 19.313/-154.998 6.9 2.06 7.96 08 May 2018 19:56 3d 21:23 (upd of #9)

Affected Provinces

Intensity Region Province Country Population
Hawaii United States no people
Hawaii United States 1100 people
Hawaii United States 79000 people
Hawaii United States 320000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Kupaahu Hawaii United States Village - 3 km
Kalapana Hawaii United States Village - 6 km
Pohoiki Hawaii United States Village - 22 km
Leilani Estates Hawaii United States Village 1000 people 16 km
Opihikao Hawaii United States Village - 17 km
Ainaloa Hawaii United States Village 1900 people 18 km
Glenwood Hawaii United States Village - 19 km
Mountain View Hawaii United States Village 2800 people 22 km
Hawaiian Beaches Hawaii United States Village 3700 people 23 km
Volcano House Hawaii United States Village - 25 km
Hawaiian Paradise Park Hawaii United States Village 7100 people 25 km
Koae Hawaii United States Village - 26 km
Makuu Hawaii United States Village - 26 km
Keaau Hawaii United States Village 2000 people 28 km
Hilo Hawaii United States City 41000 people 39 km
Pahala Hawaii United States Village 1400 people 51 km
Kuipo Hawaii United States Village - 57 km
Keokea Hawaii United States Village - 203 km
Waiakoa Hawaii United States Village - 205 km
Pulehu Hawaii United States Village - 208 km
Lahaina Hawaii United States City 9100 people 240 km
Puukolii Hawaii United States Village - 244 km
Honokahua Hawaii United States Village - 248 km
Honolulu Hawaii United States Major city 370000 people 364 km
Aliamanu Hawaii United States Village 9900 people 373 km
Aiea Hawaii United States City 9000 people 374 km
Halawa Hawaii United States Village 14000 people 375 km
Hickam Housing Hawaii United States Village 5500 people 376 km
Iroquois Point Hawaii United States Village 2500 people 376 km
Pearl City Hawaii United States City 31000 people 381 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
Mountain View Airstrip 457 0 21 km
Rainshed 1219 0 25 km
Hilo International ITO 12 Civ. Paved Yes 9800 39 km
Pahala Airstrip 364 0 49 km
Upper Paauau 792 0 53 km
Kapalua West Maui JHM 78 0 246 km
Honolulu International HNL 4 Civ. Paved Yes 12300 371 km
Moanalua Medical Center 5 0 372 km
Ford Island Alf 5 0 377 km

Ports

Intensity Name LOCODE Country Distance
Lahaina Wake Island 239 km
Honolulu USHNL Wake Island 366 km

More information

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