M 4.8 in Japan on 12 Jul 2017 05:36 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: 4.8M
Depth: 34.96 Km
Lat/Lon: 35.2495 , 141.123
Event Date: 12 Jul 2017 05:36 UTC
12 Jul 2017 14:36 Local
Exposed Population:
910000 people within 100km
Source: NEIC us1000990s
Inserted at: 12 Jul 2017 05:53 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 0.1 0.1
us1000990s Scaled population (vector) 0  
  C1 earthquake 1  
  C2 earthquake 0  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1173481 0.1 12 Jul 2017 05:36 4.8M, 34.96km N/A 920 thousand (in 100km) 00:16 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, Ohara, Asahi Yokaichiba, Yatabe, Katakai, and Hasunuma.

Radius Population
100 km 920000 people
75 km 130000 people
50 km no 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 - 55 km
Tokawacho Chiba Japan Village - 55 km
Choshi Chiba Japan City 84000 people 61 km
Ohara Chiba Japan City 20000 people 66 km
Asahi Yokaichiba Chiba Japan Village - 67 km
Yatabe Ibaraki Japan Village - 69 km
Katakai Chiba Japan City - 69 km
Hasunuma Chiba Japan Village - 69 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 88 km

Ports

Name LOCODE Country Distance
Choshi JPCHO Japan 60 km
Katsuura Ko Japan 76 km
Kashima JPKSM Japan 82 km

More information

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