M 5.5 in Japan on 15 Sep 2018 04:40 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: 5.5M
Depth: 10 Km
Lat/Lon: 26.6739 , 129.6022
Event Date: 15 Sep 2018 04:40 UTC
15 Sep 2018 13:40 Local
Exposed Population: No people within 100km
Source: NEIC us2000hf01
Inserted at: 15 Sep 2018 04:58 UTC
INFORM Coping capacity of the alert score: 1.1 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us2000hf01 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
1228368 0 15 Sep 2018 04:40 5.5M, 10km 3 N/A (in MMI>=VII) 00:18 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 Okinawa (population 213,485) . The alertlevel for this event is GREEN

Intensity Population
no people
3800 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1228368 26.674/129.602 5.5 10 3.05 15 Sep 2018 04:59 00:19 (new episode)
2 0 1228368 26.674/129.602 5.5 10 3.09 15 Sep 2018 06:47 02:07 (upd of #1)
3 0 1228368 26.694/129.61 5.4 10 3 16 Sep 2018 21:52 1d 17:12 (upd of #2)

Affected Provinces

Intensity Region Province Country Population
Okinawa Japan 210000 people
Kyushu Japan 17000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Ashito Okinawa Japan Village - 122 km
Kunigami Okinawa Japan Village - 123 km
Wadomari Okinawa Japan Village - 123 km
China Okinawa Japan Village - 125 km
Ada Okinawa Japan Village - 128 km
Isen Okinawa Japan Village - 128 km
Kametsu Okinawa Japan Village - 131 km
Tamina Okinawa Japan Village - 132 km
Itokina Okinawa Japan Village - 134 km
Setaki Okinawa Japan Village - 140 km
Kaata Okinawa Japan Village - 142 km
Ogimi Okinawa Japan Village - 147 km
Okamae Okinawa Japan Village - 147 km
Obo Okinawa Japan Village - 147 km
Teima Okinawa Japan Village - 153 km
Ikechi Okinawa Japan Village - 154 km
Yoro Okinawa Japan Village - 158 km
Nakao Okinawa Japan Village - 158 km
Ikenma Okinawa Japan Village - 160 km
Nago Okinawa Japan Village 59000 people 162 km
Osai Okinawa Japan Village - 162 km
Sukomo Okinawa Japan Village - 166 km
Tana Okinawa Japan Village - 166 km
Izena Okinawa Japan Village - 169 km
Kin Okinawa Japan Village - 169 km
Toguchi Okinawa Japan Village - 169 km
Ishikawa Okinawa Japan Village 22000 people 179 km
Kadena Okinawa Japan Village - 187 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
Okierabu OKE 31 Civ. Paved Yes 3900 122 km
Yoron RNJ 16 Civ. Paved Yes 3900 126 km
Tokunoshima TKN 5 Civ. Paved Yes 6500 147 km
Kadena AB DNA 45 Mil. Paved Yes 12100 186 km

Ports

Intensity Name LOCODE Country Distance
Oku Japan 163 km

Dams

Intensity Reservoir Dam Name River Year Distance
Kannako Kanna Kannafukujigawa 1993 166 km
Okukubi Okukubigawa 2001 168 km
Zukeyama Kurashiki Yonabarugawa 1995 182 km

More information

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