M 5 in Japan on 22 Jun 2023 01:24 UTC

Hazard models

Rapid Impact
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: 5.0M
Depth: 35 Km
Lat/Lon: 26.3565 , 127.8177
Event Date: 22 Jun 2023 01:24 UTC
22 Jun 2023 10:24 Local
Exposed Population:
900 thousand in MMI IV
Source: NEIC us7000ka8v
Inserted at: 26 Jun 2023 02:21 UTC
INFORM Coping capacity of the alert score
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 GDACS score
NEIC 0 0
us7000ka8v Scaled population (vector) 0  
  C1 rapid impact 0  
  C2 rapid impact 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1511981 0 22 Jun 2023 01:24 5.1M, 35km 3.76 1.2 million (in 100km) 00:20 NEIC
1512596 0 22 Jun 2023 01:24 5M, 35km 3.67 900 thousand (in 100km) 4d 00:57 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 Okinawa (population 868,118) . The nearest places are Kadena, Ishikawa, Atsuta, Henna, Kin, Ichi, Ishimine, Fusozaki, Naha, Chifuwa, and Tonaki.

Radius Population
100 km 1.3 million people
75 km 1.3 million people
50 km 1.3 million people
20 km 820000 people
10 km 350000 people
5 km 180000 people
2 km 48000 people

Affected Provinces

Region Province Country Population
Okinawa Japan 870000 people

Affected populated places

Name Region Province Country City class Population Distance
Kadena Okinawa Japan Village - 6 km
Ishikawa Okinawa Japan Village 22000 people 8 km
Atsuta Okinawa Japan Village - 9 km
Henna Okinawa Japan Village - 11 km
Kin Okinawa Japan Village - 15 km
Ichi Okinawa Japan Village - 18 km
Ishimine Okinawa Japan Village - 19 km
Fusozaki Okinawa Japan Village - 21 km
Naha Okinawa Japan City 300000 people 21 km
Chifuwa Okinawa Japan Village - 24 km
Itoman Okinawa Japan Village 56000 people 30 km
Nago Okinawa Japan Village 59000 people 30 km
Nakaza Okinawa Japan Village - 31 km
Teima Okinawa Japan Village - 33 km
Toguchi Okinawa Japan Village - 34 km
Nakao Okinawa Japan Village - 35 km
Higashieue Okinawa Japan Village - 39 km
Obo Okinawa Japan Village - 44 km
Kaata Okinawa Japan Village - 47 km
Ogimi Okinawa Japan Village - 48 km
Tokashiku Okinawa Japan Village - 49 km
Awaren Okinawa Japan Village - 51 km
Zamami Okinawa Japan Village - 53 km
Aka Okinawa Japan Village - 56 km
Izena Okinawa Japan Village - 63 km
Hama Okinawa Japan Village - 64 km
Aguni Okinawa Japan Village - 65 km
Ada Okinawa Japan Village - 65 km
Tonaki Okinawa Japan Village - 67 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
Kadena AB DNA 45 Mil. Paved Yes 12100 5 km
Futenma Mcas 75 Mil. Paved Yes 9000 11 km
Naha OKA 5 Civ. Paved Yes 9800 25 km
Ie Jima IEJ 75 Civ. Paved No 4900 41 km
Yoron RNJ 16 Civ. Paved Yes 3900 96 km

Ports

Name LOCODE Country Distance
Heianza JPHEI Japan 10 km
Nishihara JPNHR Japan 14 km
Kin Wan JPKIN Japan 14 km
Nakagusuku Wan Japan 18 km
Naha JPNAH Japan 23 km
Oku Japan 26 km

Dams

Reservoir Dam Name River Year Distance
Zukeyama Kurashiki Yonabarugawa 1995 4 km
Okukubi Okukubigawa 2001 17 km
Kannako Kanna Kannafukujigawa 1993 19 km

More information

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