Earthquake with magnitude of Mwp 6.1 on date 01-01-2024 and time 07:18:46 (UTC) in region Near west coast of eastern Honshu, Japan [Sea: Japan]

A magnitude Mwp 6.1 earthquake occured in region: Near west coast of eastern Honshu, Japan [Sea: Japan], on

  • 01-01-2024 07:18:46 (UTC)
  • 01-01-2024 08:18:46 (UTC +01:00) Italian time
  • 01-01-2024 16:18:46 (UTC +09:00) local time in the region of the earthquake (Asia/Tokyo)

and geographic coordinates (lat, lon) 37.2160, 136.5910 at 20 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev200
Mwp 6.1 2024-01-01
07:18:46
37.216 136.591 20 2024-01-02
10:54:54
Sala Sismica INGV-Roma 124418441
Reviewed
Rev100
mb 5.5
Mwp 6.1
Mwpd 7.3
2024-01-01
07:18:46
37.2164 136.591 20 2024-01-01
08:23:41
Sala Sismica INGV-Roma 124395181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-01 07:18:46
Latitude 37.2160
Longitude 136.5910
Depth (km) 20 ± 16 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV
Event type earthquake
Origin ID 124418441

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 14222.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 1
Number of defining phases 1
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.88
Epicentral distance of station closest to the epicenter (degree)
Epicentral distance of station farthest from the epicenter (degree)
Number of stations at which the event was observed 0
Number of stations from which data was used for origin computation 0
Magnitudes information

Mwp:6.1

Field Value
Value 6.1
Uncertainty 0.3
Num. used stations
Type of magnitude Mwp
Reference to an origin 124418441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-02 10:54:54

Mwpd:7.3

Field Value
Value 7.3
Uncertainty 0.0
Num. used stations 2
Type of magnitude Mwpd
Reference to an origin 124395181
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2024-01-01 08:23:41

Mwp:6.1

Field Value
Value 6.1
Uncertainty 1.2
Num. used stations 2
Type of magnitude Mwp
Reference to an origin 124395181
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2024-01-01 08:23:41

mb:5.5

Field Value
Value 5.5
Uncertainty 0.1
Num. used stations 26
Type of magnitude mb
Reference to an origin 124395181
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2024-01-01 08:23:41
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download