M 4.7 in Japan on 16 Jul 2018 02:51 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: 4.7M
Depth: 28.04 Km
Lat/Lon: 35.4867 , 141.1938
Event Date: 16 Jul 2018 02:51 UTC
16 Jul 2018 11:51 Local
Exposed Population:
2440000 people within 100km
Source: NEIC us2000g5vm
Inserted at: 16 Jul 2018 03:42 UTC
INFORM Coping capacity of the alert score
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us2000g5vm Scaled population (vector) 5.76  
  C1 earthquake 0.73  
  C2 earthquake -0.22  
  Country Vulnerability -0.71  
  INFORM_normalised 0.57  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1219718 0 16 Jul 2018 02:51 4.7M, 28.04km N/A 2.4 million (in 100km) 00:50 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 , Region of Kanto (population 38,543,000) . The nearest places are Inuwaka, Tokawacho, Choshi, Yatabe, Asahi Yokaichiba, Okunoya, Hasunuma, Omigawa, Yokoshiba, Katakai, and Chiba.

Radius Population
100 km 2.6 million people
75 km 570000 people
50 km 96000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Kanto Japan 38.5 million people
Tohoku Japan 10 million people
Chubu Japan 5.2 million people
Kinki Japan 22.2 million people

Affected populated places

Name Region Province Country City class Population Distance
Inuwaka Chiba Japan Village - 36 km
Tokawacho Chiba Japan Village - 37 km
Choshi Chiba Japan City 84000 people 42 km
Yatabe Ibaraki Japan Village - 49 km
Asahi Yokaichiba Chiba Japan Village - 54 km
Okunoya Ibaraki Japan Village - 62 km
Hasunuma Chiba Japan Village - 64 km
Omigawa Chiba Japan City 25000 people 65 km
Yokoshiba Chiba Japan Village - 66 km
Katakai Chiba Japan City - 68 km
Tako Chiba Japan City - 70 km
Chiba Chiba Japan Major city 920000 people 97 km

see full list

Critical infrastructure

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

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Tokyo Narita International NRT 42 Civ. Paved Yes 13100 78 km
Shimoshizu 30 0 95 km
Ryugasaki South 2 0 95 km
Ryugasaki 2 0 97 km

Ports

Name LOCODE Country Distance
Choshi JPCHO Japan 41 km
Kashima JPKSM Japan 62 km
Katsuura Ko Japan 91 km
Chiba JPCHB Japan 98 km
Goi JPGOI Japan 99 km
Anegasaki JPANE Japan 99 km

Dams

Reservoir Dam Name River Year Distance
Kasumigaura Kasumigaura-Kaihatsu Tonegawa 1995 79 km
Yamakura Yamakura Yamakuragawa 1964 96 km
Takatakiko Takataki Yorogawa 1990 96 km

More information

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