M 5.5 in Off East Coast Of Honshu, Japan on 17 May 2022 13:17 UTC

Hazard models

Rapid Impact
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: 5.5M
Depth: 11.07 Km
Lat/Lon: 33.3661 , 141.5254
Event Date: 17 May 2022 13:17 UTC
17 May 2022 22:17 Local
Exposed Population: No people affected in 100km
Source: NEIC us6000hlry
Inserted at: 17 May 2022 13:41 UTC
INFORM Coping capacity of the alert score: 1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000hlry Scaled population (vector) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
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
1443737 0 17 May 2022 13:17 5.5M, 11.07km 2.84 N/A (in MMI>=VII) 00:23 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 unknowed a zone. The alertlevel for this event is GREEN

Intensity Population
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1443737 33.366/141.525 5.5 11.1 2.938 17 May 2022 13:43 00:25 (new episode)
2 0 1443737 33.384/141.509 5.5 10.7 2.707 17 May 2022 13:53 00:35 (upd of #1)
3 0 1443737 33.388/141.507 5.5 11.4 2.721 17 May 2022 14:38 01:20 (upd of #2)
4 0 1443737 33.388/141.507 5.5 11.4 2.721 17 May 2022 15:25 02:07 (upd of #3)
5 0 1443737 33.388/141.507 5.5 11.4 2.721 18 May 2022 13:40 1d 00:22 (upd of #4)
6 0 1443737 33.387/141.511 5.5 13.0 2.845 25 May 2022 06:50 7d 17:32 (upd of #5)

Affected Provinces



Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

More information

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