M 6.9 in United States on 04 May 2018 22:32 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: 6.9M
Depth: 5 Km
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.
Click on image to zoom it.

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.

Tsunami affected locations

The maximum Wave height is  0.7m in Opihikao, United States. This height is estimated for 4-May-2018 22:33:64.

Alert Date (UTC) Name Country Wave height (m)
4-May-2018 22:33:64 Opihikao United States  0.7
4-May-2018 22:33:64 Pohoiki United States  0.7
4-May-2018 22:39:38 Kupaahu United States  0.3
4-May-2018 22:33:64 Kalapana United States  0.3
4-May-2018 22:33:38 Koae United States  0.2
4-May-2018 22:47:00 Royal_Gardens United States  0.2
4-May-2018 22:51:38 Kaalualu United States  0.1
4-May-2018 22:56:00 Honuapo United States  0.1
4-May-2018 22:48:38 Hilea United States  0.1
4-May-2018 22:51:38 Naalehu United States  0.1
4-May-2018 22:53:00 Hakalau United States  0.1
4-May-2018 22:53:00 Honomu United States  0.1
4-May-2018 23:17:00 Papaikou United States  0.1
4-May-2018 23:17:00 Wainaku United States  0.1
4-May-2018 23:17:00 Paukaa United States  0.1
4-May-2018 23:17:00 Hilo United States  0.1
4-May-2018 22:57:64 Weloka United States  0.1
4-May-2018 22:57:64 Ninole United States  0.1
4-May-2018 22:47:00 Hawaiian_Paradise_Park United States  0.1
4-May-2018 22:47:00 Makuu United States  0.1
4-May-2018 22:45:38 Hawaiian_Beaches United States  0.1
4-May-2018 22:45:64 Pepeekeo United States  0.1
4-May-2018 23:03:38 Puuiki United States  0.1
4-May-2018 23:03:38 Hana United States  0.1
4-May-2018 22:57:38 Papaaloa United States  0.1
4-May-2018 22:57:38 Laupahoehoe United States  0.1
4-May-2018 23:09:38 Haou United States  0.1
4-May-2018 22:48:38 Waiahukini United States  0.1
4-May-2018 23:14:00 Halaula United States  0.1
4-May-2018 23:14:00 Makapala United States  0.1
4-May-2018 23:14:00 Niulii United States  0.1
4-May-2018 23:24:64 Captain_Cook United States  0.1
4-May-2018 23:24:64 Napoopao United States  0.1
4-May-2018 23:12:38 Ookala United States  0.1
4-May-2018 23:24:38 Keauhou United States  0.1
4-May-2018 23:03:38 Kapaau United States  0.1
4-May-2018 23:05:00 Muolea United States  0.1
4-May-2018 23:17:00 Honaunau United States  0.0
4-May-2018 23:17:00 Keokea United States  0.0

See full locations list (RSS)


Initial conditions

Title: "16km SW of Leilani Estates"

Fault parameters

  • Latitude: 19.37
  • Longitude: -155.032
  • Length: 44 km
  • Width: 12 km
  • Magnitude: 6.9 M

Okada parameters:

  • Slip: 1.2 m
  • Strike: 90 (geogr angle: north=0, south=180)
  • Dip: 45 degree
  • Rake: 90 degree
  • Depth: 5 km

Calculation parameters

  • Calculation space (lon/lat): -158.032, 16.37, -152.032, 22.37
  • Instead of Step -> use Cell size:.5 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.