Earthquake with magnitude of Mwp 5.5 on date 18-07-2024 and time 11:07:37 (UTC) in region Southeast of Honshu, Japan [Sea: Japan]

A magnitude Mwp 5.5 earthquake occured in region: Southeast of Honshu, Japan [Sea: Japan], on

  • 18-07-2024 11:07:37 (UTC)
  • 18-07-2024 13:07:37 (UTC +02:00) Italian time
  • 18-07-2024 20:07:37 (UTC +09:00) local time in the region of the earthquake (Asia/Tokyo)

and geographic coordinates (lat, lon) 33.6340, 140.2540 at 98 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
Rev100
mb 5.5
Mwp 5.5

Mwpd 5.6
2024-07-18
11:07:37
33.634 140.254 98 2024-07-18
11:19:31
Sala Sismica INGV-Roma 129985621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-18 11:07:37
Latitude 33.6340
Longitude 140.2540
Depth (km) 98 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 129985621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 23346060
Semi-minor axis of confidence ellipse (meter) 12884212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 19222500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61.1368
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) 1.09476
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

Mwpd:5.6

Field Value
Value 5.6
Uncertainty 0.3
Num. used stations 26
Type of magnitude Mwpd
Reference to an origin 129985621
Agency INGV
Autore Auto added
Time of creation (UTC) 2024-07-18 11:19:31

Mwp:5.5

Field Value
Value 5.5
Uncertainty 0.3
Num. used stations 25
Type of magnitude Mwp
Reference to an origin 129985621
Agency INGV
Autore Auto added
Time of creation (UTC) 2024-07-18 11:19:31

mb:5.5

Field Value
Value 5.5
Uncertainty 0.1
Num. used stations 34
Type of magnitude mb
Reference to an origin 129985621
Agency INGV
Autore Auto added
Time of creation (UTC) 2024-07-18 11:19:31
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