M 5.5 in Japan on 24 Dec 2018 00:43 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: 6.86 Km
Lat/Lon: 34.0578 , 141.6724
Event Date: 24 Dec 2018 00:43 UTC
24 Dec 2018 09:43 Local
Exposed Population: No people within 100km
Source: NEIC us2000iwx0
Inserted at: 24 Dec 2018 00:57 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
us2000iwx0 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
1242357 0 24 Dec 2018 00:43 5.5M, 6.86km 3.01 N/A (in MMI>=VII) 00:14 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 Kanto (population 18,803,858) . The alertlevel for this event is GREEN

Intensity Population
no people
2.3 million people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1242357 34.058/141.672 5.5 6.86 2.92 24 Dec 2018 00:58 00:15 (new episode)
2 0 1242357 34.058/141.672 5.5 6.86 3.01 24 Dec 2018 02:45 02:02 (upd of #1)

Affected Provinces

Intensity Region Province Country Population
Kanto Japan 18.8 million people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Katsuura Chiba Japan Village 22000 people 174 km
Ohara Chiba Japan City 20000 people 176 km
Kamogawa Chiba Japan Village 29000 people 184 km
Chikura Chiba Japan City - 186 km
Wada Chiba Japan Village - 186 km
Ichinomiya Chiba Japan Village - 189 km
Nemoto Chiba Japan Village - 193 km
Fujioayashi Chiba Japan Village - 194 km
Tateyama Chiba Japan City 49000 people 196 km
Inuwaka Chiba Japan Village - 197 km
Mobara Chiba Japan City 96000 people 197 km
Katakai Chiba Japan City - 198 km
Chonan Chiba Japan Village - 198 km
Kururi Chiba Japan Village - 200 km
Hasunuma Chiba Japan Village - 202 km
Choshi Chiba Japan City 84000 people 202 km
Katsuyama Chiba Japan Village - 203 km
Togane Chiba Japan Village 55000 people 203 km
Ushiku Chiba Japan Village - 204 km
Oami Chiba Japan Village - 204 km
Asahi Yokaichiba Chiba Japan Village - 207 km
Naruto Chiba Japan City 22000 people 207 km
Yokoshiba Chiba Japan Village - 208 km
Yatabe Ibaraki Japan Village - 210 km
Tako Chiba Japan City - 216 km
Kisarazu Chiba Japan City 120000 people 217 km
Kimitsu Chiba Japan Village 92000 people 218 km
Goi Chiba Japan Village - 218 km
Narita Chiba Japan City 100000 people 221 km
Okunoya Ibaraki Japan Village - 222 km
Omigawa Chiba Japan City 25000 people 222 km
Chiba Chiba Japan Major city 920000 people 222 km
Sakura Chiba Japan City 180000 people 226 km
Ino Chiba Japan Village - 227 km
Kashima Ibaraki Japan Village 65000 people 232 km
Idako Ibaraki Japan Village - 232 km
Chiba-nyutaun Chiba Japan Village - 233 km
Namegawa Chiba Japan Village - 234 km
Kansaki Chiba Japan Village - 235 km
Ryugasaki Chiba Japan Village 85000 people 237 km
Funabashi Chiba Japan City 560000 people 239 km
Itako Ibaraki Japan Village 25000 people 240 km
Koda Ibaraki Japan Village - 240 km
Negoya Ibaraki Japan Village - 241 km
Narage Ibaraki Japan Village - 241 km
Kamagaya Chiba Japan City 110000 people 242 km
Kawasaki Kanagawa Japan Major city 1.3 million people 243 km
Edosaki Ibaraki Japan Village 21000 people 244 km
Ichikawa Chiba Japan City 460000 people 244 km
Yokohama Kanagawa Japan Major city 3.6 million people 244 km
Ryugaski Ibaraki Japan Village - 245 km
Tokyo Tokyo Japan Capital 8.1 million people 246 km
Yamada Ibaraki Japan Village - 246 km
Fuda Ibaraki Japan Village - 246 km
Matsudo Chiba Japan City 460000 people 249 km
Abiko Chiba Japan City 130000 people 251 km
Chigasaki Kanagawa Japan City 230000 people 254 km
Ushiku Ibaraki Japan Village 79000 people 254 km
Atsugi Kanagawa Japan City 230000 people 261 km
Obari Ibaraki Japan Village - 261 km
Yatabe Ibaraki Japan Village - 263 km
Yoshikawa Saitama Japan Village 60000 people 263 km
Noda Chiba Japan City 120000 people 266 km
Hojubana Saitama Japan Village - 276 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
Tateyama 3 0 198 km
Kisarazu 3 Mil. Paved Yes 6000 220 km
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 223 km
Shimoshizu 30 0 225 km
Tokyo Haneda International HND 7 Civ. Paved Yes 9800 240 km
Ryugasaki South 2 0 240 km
Yokohama YOK unknown 0 243 km
Ryugasaki 2 0 244 km
Shimofusa 30 Civ. Paved Yes 7300 246 km
26 0 258 km
Chiba-ken 19 0 276 km

Ports

Intensity Name LOCODE Country Distance
Katsuura Ko Japan 174 km
Tateyama JPTTY Japan 196 km
Choshi JPCHO Japan 202 km
Goi JPGOI Japan 218 km
Kisarazu JPKZU Japan 218 km
Chiba JPCHB Japan 223 km
Kashima JPKSM Japan 223 km
Anegasaki JPANE Japan 224 km
Katunan Ko Japan 237 km
Neghisi JPNGI Japan 239 km
Kawasaki JPKWS Japan 239 km
Yokohama JPYOK Japan 242 km
Ogasawara JPOGA Japan 249 km
Tokyo JPTYO Japan 254 km

Dams

Intensity Reservoir Dam Name River Year Distance
Kameyamako Kameyama Obitsugawa 1980 195 km
Takatakiko Takataki Yorogawa 1990 201 km
Kori Kori Korigawa 1972 212 km
Yamakura Yamakura Yamakuragawa 1964 212 km
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 236 km

More information

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