Earthquake with magnitude of Mwpd 7.1 on date 16-02-2015 and time 23:06:27 (UTC) in region Off east coast of Honshu, Japan [Sea: Japan]

A magnitude Mwpd 7.1 earthquake occured in region: Off east coast of Honshu, Japan [Sea: Japan], on

  • 16-02-2015 23:06:27 (UTC)
  • 17-02-2015 00:06:27 (UTC +01:00) Italian time
  • 17-02-2015 08:06:27 (UTC +09:00) local time in the region of the earthquake (Asia/Tokyo)

and geographic coordinates (lat, lon) 39.7640, 143.0300 at 14 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
Mwpd 7.1 2015-02-16
23:06:27
39.764 143.03 13 2015-02-16
23:37:01
Sala Sismica INGV-Roma 17070951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-02-16 23:06:27 ± 0
Latitude 39.7640
Longitude 143.0300
Depth (km) 13 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV
Event type earthquake
Origin ID 17070951

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) 3618.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
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) 1.624
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
Magnitude information

Mwpd:7.1

Field Value
Value 7.1
Uncertainty 0.1
Num. used stations
Type of magnitude Mwpd
Reference to an origin 17070951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-02-16 23:37:01
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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