M 6.3 in Japan on 04 Aug 2019 10:23 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: 6.3M
Depth: 38.56 Km
Lat/Lon: 37.7344 , 141.5361
Event Date: 04 Aug 2019 10:23 UTC
04 Aug 2019 19:23 Local
Exposed Population: About 87000 people in MMI
2570000 people within 100km
Source: NEIC us600050if
Inserted at: 05 Aug 2019 10:27 UTC
INFORM Coping capacity of the alert score: 1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us600050if Scaled population (raster) 0 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.57      
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
1268212 0 04 Aug 2019 10:23 6.3M, 38.56km 4.92 N/A (in MMI>=VII) 0m (at 00:00) 1d 00:04 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 Japan ,of Tohoku (population 52,745) . The alertlevel for this event is GREEN

Intensity Population
57000 people
no people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1268212 37.734/141.536 6.3 38.6 4.831 04 Aug 2019 10:47 00:24 (new episode)
2 0 1268212 37.734/141.536 6.3 38.6 4.892 04 Aug 2019 11:01 00:38 (upd of #1)
3 0 1268212 37.734/141.536 6.3 38.6 4.838 04 Aug 2019 12:27 02:04 (upd of #2)
4 0 1268212 37.734/141.536 6.3 38.6 4.917 05 Aug 2019 10:27 1d 00:04 (upd of #3)

Affected Provinces

Intensity Region Province Country Population
Tohoku Japan 53000 people
Tohoku Japan 680000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Kashima Fukushima Japan Village - 51 km
Odaka Fukushima Japan Village - 52 km
Nakumura Fukushima Japan Village - 54 km
Namie Fukushima Japan Village 22000 people 55 km
Haramachi Fukushima Japan Village 47000 people 55 km
Sakamoto Miyagi Japan Village - 58 km
Aji Miyagi Japan Village - 59 km
Hanagama Miyagi Japan Village - 61 km
Oshika Miyagi Japan Village - 62 km
Nitoda Miyagi Japan Village - 64 km
Tomioka Fukushima Japan Village - 64 km
Yamashita Miyagi Japan Village - 64 km
Arahama Miyagi Japan Village - 64 km
Oharahama Miyagi Japan Village - 65 km
Niiyama Miyagi Japan Village - 65 km
Watari Miyagi Japan Village 36000 people 68 km
Yagawa Miyagi Japan Village - 71 km
Ido Miyagi Japan Village - 71 km
Kakuda Miyagi Japan Village 33000 people 72 km
Iinosaka Miyagi Japan Village - 73 km
Shiogama Miyagi Japan City 59000 people 78 km
Kamata Miyagi Japan Village - 85 km
Hirawata Miyagi Japan Village - 90 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
Sendai SDJ 5 Civ. Paved Yes 9800 71 km
Kasuminome 5 0 77 km

Ports

Intensity Name LOCODE Country Distance
Soma JPSMA Japan 52 km

Dams

Intensity Reservoir Dam Name River Year Distance
Yokokawa Yokokawa Otagawa 1983 58 km

More information

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