A magnitude Mwp 6.4 earthquake occured in region: Southeast of Honshu, Japan [Sea: Japan], on
and geographic coordinates (lat, lon) 31.2570, 142.7620 at 35 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.
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 |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
mb 5.8
Mwp 6.4 |
2021-11-29 12:40:46 |
31.2574 | 142.762 | 35 | 2021-11-29 12:55:36 |
Sala Sismica INGV-Roma | 97940281 |
Field | Value |
---|---|
Time (UTC) | 2021-11-29 12:40:46 |
Latitude | 31.2574 |
Longitude | 142.7620 |
Depth (km) | 35 (from location) |
Evaluation mode of Origin | automatic |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV-A |
Event type | earthquake |
Origin ID | 97940281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 5738 |
Semi-minor axis of confidence ellipse (meter) | 4096 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 103 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 5414.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 171.709 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 1.14092 |
Epicentral distance of station closest to the epicenter (degree) | 3.11068 |
Epicentral distance of station farthest from the epicenter (degree) | 19.74023 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 6.4 |
Uncertainty | 0.1 |
Num. used stations | 15 |
Type of magnitude | Mwp |
Reference to an origin | 97940281 |
Agency | INGV |
Autore | early-est_ee1.1.9 |
Time of creation (UTC) | 2021-11-29 12:55:36 |
Field | Value |
---|---|
Value | 5.8 |
Uncertainty | 0.1 |
Num. used stations | 14 |
Type of magnitude | mb |
Reference to an origin | 97940281 |
Agency | INGV |
Autore | early-est_ee1.1.9 |
Time of creation (UTC) | 2021-11-29 12:55:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IU.TATO.BHZ.00 | 2021-11-29T12:45:11.42 | 10.0 | negative | automatic | P | 257 | 19.7402 | -1.19845 | 0.869565 | |
JP.YOJ.BHZ. | 2021-11-29T12:44:59.65 | 10.0 | negative | automatic | P | 254 | 18.6990 | -1.55091 | 0.930233 | |
IU.GUMO.BHZ.00 | 2021-11-29T12:44:51.32 | 10.0 | positive | automatic | P | 173 | 17.7730 | 0.793855 | 0.987654 | |
IU.YSS.BHZ.00 | 2021-11-29T12:44:24.60 | 10.0 | negative | automatic | P | 360 | 15.7006 | 0.156005 | 0.952381 | |
IU.INCN.BHZ.00 | 2021-11-29T12:44:12.37 | 10.0 | negative | automatic | P | 299 | 14.6739 | 1.40361 | 0.615385 | |
JP.JOW.BHZ. | 2021-11-29T12:43:52.10 | 10.0 | positive | automatic | P | 254 | 13.4030 | -1.5878 | 0.43956 | |
JP.JTU.BHZ. | 2021-11-29T12:43:29.75 | 10.0 | positive | automatic | P | 290 | 11.6790 | -0.366975 | 0.43956 | |
JP.JMZ.BHZ. | 2021-11-29T12:43:28.75 | 10.0 | positive | automatic | P | 245 | 11.4927 | 1.18786 | 0.952381 | |
II.ERM.BHZ.00 | 2021-11-29T12:43:16.57 | 10.0 | positive | automatic | P | 2 | 10.7617 | -0.995658 | 0.952381 | |
JP.JSU.BHZ. | 2021-11-29T12:43:14.80 | 10.0 | positive | automatic | P | 275 | 10.5058 | 0.678755 | 0.952381 | |
JP.JTM.BHZ. | 2021-11-29T12:43:02.05 | 10.0 | positive | automatic | P | 352 | 9.6294 | -0.0223887 | 0.888889 | |
JP.JMN.BHZ. | 2021-11-29T12:42:37.85 | 10.0 | positive | automatic | P | 291 | 7.8890 | -0.438571 | 0.888889 | |
IU.MAJO.BHZ.00 | 2021-11-29T12:42:19.62 | 10.0 | negative | automatic | P | 326 | 6.5000 | 0.416385 | 0.97561 | |
G.INU.BHZ.00 | 2021-11-29T12:42:17.26 | 10.0 | positive | automatic | P | 312 | 6.2991 | 0.866896 | 0.930233 | |
JP.JGF.BHZ. | 2021-11-29T12:42:16.95 | 10.0 | positive | automatic | P | 315 | 6.2636 | 0.964545 | 0.952381 | |
JP.JSG.BHZ. | 2021-11-29T12:42:01.20 | 10.0 | positive | automatic | P | 313 | 5.1424 | 0.692861 | 0.930233 | |
JP.JHJ2.BHZ. | 2021-11-29T12:41:30.85 | 10.0 | negative | automatic | P | 307 | 3.1107 | -1.73023 | 0.952381 |