M 5.4 in Near East Coast Of Honshu, Japan on 04 Aug 2022 00:48 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: 5.4M
Depth: 44.285 Km
Lat/Lon: 37.6295 , 141.6908
Event Date: 04 Aug 2022 00:48 UTC
04 Aug 2022 09:48 Local
Exposed Population: 1.5 million in 100km
Source: NEIC us6000i7wm
Inserted at: 04 Aug 2022 01:08 UTC
INFORM Coping capacity of the alert score
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000i7wm Scaled population (raster) 0  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 1  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1456351 0 04 Aug 2022 00:48 5.4M, 44.285km 3.51 N/A (in MMI>=VII) 00:20 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 off shore.

Radius Population
100 km 1.5 million people
75 km 170000 people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Affected populated places

Name Region Province Country City class Population Distance
Kayahama Fukushima Japan Village - 60 km
Minami-Ibi Fukushima Japan Village - 60 km
Onaba Fukushima Japan Village - 60 km
Kiyohashi Fukushima Japan Village - 61 km
Takahira Fukushima Japan Village - 62 km
Odaka Fukushima Japan Village - 62 km
Futaba Fukushima Japan Village - 63 km
Namie Fukushima Japan Village 22000 people 63 km
Isobe Fukushima Japan Village - 64 km
Kashima Fukushima Japan Village - 64 km
Oragahama Fukushima Japan Village - 65 km
Onoda Fukushima Japan Village - 65 km
Kariyado Fukushima Japan Village - 66 km
Umekawa Fukushima Japan Village - 66 km
Kita-Nagano Fukushima Japan Village - 67 km
Nakanouchi Fukushima Japan Village - 67 km
Haramachi Fukushima Japan Village 47000 people 67 km
Tachiya Fukushima Japan Village - 67 km
Koyamada Fukushima Japan Village - 67 km
Haragama Fukushima Japan Village - 68 km
Tomioka Fukushima Japan Village - 68 km
Bogoya Fukushima Japan Village - 69 km
Oyama Fukushima Japan Village - 69 km
Okuma Fukushima Japan Village - 69 km
Takatsudo Fukushima Japan Village - 70 km
Nakumura Fukushima Japan Village - 70 km
Sendai Miyagi Japan Major city 1 million people 99 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
Sendai SDJ 5 Civ. Paved Yes 9800 89 km
Kasuminome 5 0 95 km
Matsushima 2 Civ. Paved Yes 8800 96 km

Ports

Name LOCODE Country Distance
Soma JPSMA Japan 68 km
Onagawa JPONG Japan 93 km
Ishinomaki JPISM Japan 93 km
Shiogama JPSGM Japan 96 km

Dams

Reservoir Dam Name River Year Distance
Yokokawa Yokokawa Otagawa 1983 69 km
Takanokura Takanokura Mizunashigawa 1975 71 km
Sakashita Sakashita Okawaragawa 1973 72 km
Ogaki Ogaki Ukedogawa 1985 72 km
Tamanotameike Tamano Udagawa 1945 85 km
Tarumizuko Tarumizu Masudagawa 1976 96 km

Nuclear plants

Name Country Reactors Distance
FUKUSHIMA-DAIICHI JAPAN 6 63 km
FUKUSHIMA-DAINI JAPAN 4 68 km
ONAGAWA JAPAN 3 87 km

More information

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