M 5.6 in Japan on 02 Mar 2026 10:39 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: 5.6M
Depth: 10 Km
Lat/Lon: 25.2561 , 124.8849
Event Date: 02 Mar 2026 10:39 UTC
02 Mar 2026 18:39 Local
Exposed Population: 60 thousand in MMI IV
Source: NEIC us7000s1en
Inserted at: 02 Mar 2026 10:56 UTC
INFORM Coping capacity of the alert score: 1.1 (Japan)

GDACS Score

For more info on GDACS score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us7000s1en Scaled population (raster) 0  
  C1 shakemap 0  
  C2 shakemap 0  
  Country Vulnerability 0  
  INFORM_normalised 0  
  Score no CC 0  
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

IDLevelScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1690636 0 02 Mar 2026 10:39 5.6M, 10km 4.3 N/A (in MMI>=VII) 00:17 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 Okinawa (population 1,242,315) . The alertlevel for this event is GREEN

Intensity Population
no people


Shakemaps Timeline

LevelShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0 1690636 124.885/25.256 5.6 10 4.344 02 Mar 2026 11:01 00:22 (new episode)
2 0 1690636 124.885/25.256 5.6 10 4.177 02 Mar 2026 11:05 00:26 (upd of #1)
3 0 1690636 124.885/25.256 5.6 10 4.179 02 Mar 2026 13:02 02:23 (upd of #2)
4 0 1690636 124.885/25.256 5.6 10 4.181 02 Mar 2026 21:00 10:21 (upd of #3)
5 0 1690636 124.885/25.256 5.6 10 4.181 03 Mar 2026 14:01 1d 03:22 (upd of #4)

Affected Provinces

Intensity Region Province Country Population
Okinawa Japan 49000 people
Okinawa Japan 42000 people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Kuninaka Okinawa Japan Village - 56 km
Karimata Okinawa Japan Village - 57 km
Ichimasui Okinawa Japan Village - 58 km
Hirara Okinawa Japan Village 34000 people 65 km
Shiokawa Okinawa Japan Village - 68 km
Sugama Okinawa Japan Village - 70 km
Arasato Okinawa Japan Village - 75 km
Bora Okinawa Japan Village - 80 km
Hirano Okinawa Japan Village - 93 km
Shirafu Okinawa Japan Village - 120 km
Ishigaki Okinawa Japan City 45000 people 125 km
Agarisuji Okinawa Japan Village - 143 km
Honai Okinawa Japan Village - 146 km
Kubura Okinawa Japan Village - 215 km
Ohara Okinawa Japan Village - 221 km
Shimajiri Okinawa Japan Village - 224 km
Fuija Okinawa Japan Village - 226 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
Shimojishima SHI 16 Civ. Paved Yes 9800 54 km
Hirara MMY 45 Civ. Paved Yes 6500 67 km
9 0 70 km
Ishigaki ISG 26 Civ. Paved Yes 4900 123 km
Iriomote Jima 12 0 150 km
Kumejima UEO 7 Civ. Paved Yes 6500 221 km

Ports

Intensity Name LOCODE Country Distance
Hirara Japan 63 km
Myako Island Japan 77 km

Dams

Intensity Reservoir Dam Name River Year Distance
Sokobaru Sokobaru Sokobarugawa 1992 114 km

More information

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