A magnitude mb 5.5 earthquake occured in region: Eastern Honshu, Japan [Land: Japan], on
and geographic coordinates (lat, lon) 36.9100, 138.3400 at 20 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 | 2011-04-11 22:26:21 |
36.91 | 138.34 | 20 | 2013-01-05 23:22:21 |
CSEM | 1195369 |
Field | Value |
---|---|
Time (UTC) | 2011-04-11 22:26:21 |
Latitude | 36.9100 |
Longitude | 138.3400 |
Depth (km) | 20 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> CSEM |
Event type | earthquake |
Origin ID | 1195369 |
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 | 13 |
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 | 13 |
Field | Value |
---|---|
Value | 5.5 |
Uncertainty | |
Num. used stations | |
Type of magnitude | mb |
Reference to an origin | 1195369 |
Agency | INGV |
Autore | CSEM |
Time of creation (UTC) | 2013-01-05 23:22:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
NI.AGOR.HHE. | 2011-04-11T22:39:22.64 | 10.0 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.MURB.HHE. | 2011-04-11T22:39:05.29 | 0.6 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.BADI.EHZ. | 2011-04-11T22:39:03.82 | 0.6 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.RM32.EHZ. | 2011-04-11T22:39:03.81 | 0.6 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.RSM.HHZ. | 2011-04-11T22:39:03.24 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.PARC.HHZ. | 2011-04-11T22:39:02.17 | 0.6 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.SFI.EHN. | 2011-04-11T22:39:02.09 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.ASQU.HHZ. | 2011-04-11T22:39:01.29 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.SMA1.EHZ. | 2011-04-11T22:39:01.72 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.SNTG.HHZ. | 2011-04-11T22:39:01.20 | 0.6 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.NRCA.HHZ. | 2011-04-11T22:39:01.37 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.CAFI.HHZ. | 2011-04-11T22:39:01.79 | 0.6 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.CESI.HHZ. | 2011-04-11T22:39:00.73 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.FRON.EHZ. | 2011-04-11T22:38:59.31 | 0.3 | undecidable | manual | P | 0 | 0 | 0 |