M 5.5 in Japan on 15 Sep 2018 16:24 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: 26.5641 , 129.522
Event Date: 15 Sep 2018 16:24 UTC
16 Sep 2018 01:24 Local
Exposed Population: No people within 100km
Source: NEIC us2000hf73
Inserted at: 15 Sep 2018 16:43 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
us2000hf73 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
1228435 0 15 Sep 2018 16:24 5.5M, 10km 3.12 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 1,046,540) . The alertlevel for this event is GREEN

Intensity Population
no people
<1000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1228435 26.564/129.522 5.5 10 3.08 15 Sep 2018 16:44 00:20 (new episode)
2 0 1228435 26.564/129.522 5.5 10 3.12 15 Sep 2018 18:27 02:02 (upd of #1)

Affected Provinces

Intensity Region Province Country Population
Okinawa Japan 1 million people
Kyushu Japan 18000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Ashito Okinawa Japan Village - 119 km
Ada Okinawa Japan Village - 122 km
Wadomari Okinawa Japan Village - 126 km
Kunigami Okinawa Japan Village - 126 km
China Okinawa Japan Village - 127 km
Hedo Okinawa Japan Village - 128 km
Tamina Okinawa Japan Village - 133 km
Kaata Okinawa Japan Village - 134 km
Isen Okinawa Japan Village - 135 km
Kametsu Okinawa Japan Village - 139 km
Obo Okinawa Japan Village - 140 km
Ogimi Okinawa Japan Village - 140 km
Itokina Okinawa Japan Village - 141 km
Teima Okinawa Japan Village - 145 km
Setaki Okinawa Japan Village - 147 km
Nakao Okinawa Japan Village - 150 km
Nago Okinawa Japan Village 59000 people 154 km
Okamae Okinawa Japan Village - 154 km
Kin Okinawa Japan Village - 160 km
Toguchi Okinawa Japan Village - 162 km
Tana Okinawa Japan Village - 162 km
Henna Okinawa Japan Village - 163 km
Izena Okinawa Japan Village - 163 km
Ikechi Okinawa Japan Village - 165 km
Yoro Okinawa Japan Village - 167 km
Ishikawa Okinawa Japan Village 22000 people 170 km
Ikenma Okinawa Japan Village - 171 km
Higashieue Okinawa Japan Village - 171 km
Osai Okinawa Japan Village - 173 km
Atsuta Okinawa Japan Village - 174 km
Sukomo Okinawa Japan Village - 176 km
Fusozaki Okinawa Japan Village - 177 km
Kadena Okinawa Japan Village - 177 km
Ishimine Okinawa Japan Village - 183 km
Naha Okinawa Japan City 300000 people 187 km
Nakaza Okinawa Japan Village - 187 km
Chifuwa Okinawa Japan Village - 190 km
Itoman Okinawa Japan Village 56000 people 191 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
Yoron RNJ 16 Civ. Paved Yes 3900 124 km
Okierabu OKE 31 Civ. Paved Yes 3900 125 km
Tokunoshima TKN 5 Civ. Paved Yes 6500 155 km
Ie Jima IEJ 75 Civ. Paved No 4900 174 km
Kadena AB DNA 45 Mil. Paved Yes 12100 176 km
Futenma Mcas 75 Mil. Paved Yes 9000 179 km
Naha OKA 5 Civ. Paved Yes 9800 192 km

Ports

Intensity Name LOCODE Country Distance
Oku Japan 155 km
Kin Wan JPKIN Japan 157 km
Nakagusuku Wan Japan 162 km
Heianza JPHEI Japan 163 km
Nishihara JPNHR Japan 177 km
Naha JPNAH Japan 189 km

Dams

Intensity Reservoir Dam Name River Year Distance
Kannako Kanna Kannafukujigawa 1993 157 km
Okukubi Okukubigawa 2001 159 km
Zukeyama Kurashiki Yonabarugawa 1995 172 km

More information

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