A magnitude mb 5.5 earthquake occured in region: Off east coast of Honshu, Japan [Sea: Japan], on
and geographic coordinates (lat, lon) 39.8100, 143.0900 at 25 km depth.
The earthquake was located by: CSEM.
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.
No Italian municipalities within 20 km distance.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
mb 5.5 | 2011-03-22 11:21:38 |
39.81 | 143.09 | 25 | 2013-01-05 23:07:53 |
CSEM | 1184519 |
Field | Value |
---|---|
Time (UTC) | 2011-03-22 11:21:38 |
Latitude | 39.8100 |
Longitude | 143.0900 |
Depth (km) | 25 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> CSEM |
Event type | earthquake |
Origin ID | 1184519 |
Field | Value |
---|---|
Preferred uncertainty description | |
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) | |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00000 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 5.5 |
Uncertainty | |
Num. used stations | |
Type of magnitude | mb |
Reference to an origin | 1184519 |
Agency | INGV |
Autore | CSEM |
Time of creation (UTC) | 2013-01-05 23:07:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.CIRO.HHZ. | 2011-03-22T11:34:17.77 | 0.1 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.CESI.HHZ. | 2011-03-22T11:34:17.55 | 0.1 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.SFI.EHZ. | 2011-03-22T11:34:16.51 | 0.1 | undecidable | manual | P | 0 | 0 | 0 | ||
GU.SATI.HHZ. | 2011-03-22T11:34:16.31 | 0.1 | undecidable | manual | P | 0 | 0 | 0 | ||
GU.TRAV.HHZ. | 2011-03-22T11:34:16.64 | 0.1 | undecidable | manual | P | 0 | 0 | 0 | ||
CH.MMK.HHZ. | 2011-03-22T11:34:15.16 | 0.1 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.VARE.HHZ. | 2011-03-22T11:34:13.45 | 0.1 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.GUMA.HHZ. | 2011-03-22T11:34:13.26 | 10.0 | undecidable | manual | P | 0 | 0 | 0 | ||
CH.MUGIO.HHZ. | 2011-03-22T11:34:12.52 | 0.1 | undecidable | manual | P | 0 | 0 | 0 | ||
CH.FUSIO.HHZ. | 2011-03-22T11:34:11.98 | 0.1 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.ORI.HHE. | 2011-03-22T11:34:10.06 | 10.0 | undecidable | manual | P | 0 | 0 | 0 | ||
MN.TUE.HHZ. | 2011-03-22T11:34:10.74 | 0.1 | undecidable | manual | P | 0 | 0 | 0 | ||
CH.BERNI.HHE. | 2011-03-22T11:34:09.82 | 0.1 | undecidable | manual | P | 0 | 0 | 0 | ||
NI.POLC.HHZ. | 2011-03-22T11:34:05.32 | 10.0 | undecidable | manual | P | 0 | 0 | 0 |