A magnitude Mwp 6.4 earthquake occured in region: Southeast of Honshu, Japan [Sea: Japan], on
and geographic coordinates (lat, lon) 30.6460, 143.0180 at 18 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 6.1
Mwp 6.4 Mwpd 6.5 |
2015-05-30 18:49:09 |
30.6457 | 143.018 | 18 | 2015-05-30 19:51:34 |
Sala Sismica INGV-Roma | 19437541 |
Field | Value |
---|---|
Time (UTC) | 2015-05-30 18:49:09 |
Latitude | 30.6457 |
Longitude | 143.0180 |
Depth (km) | 18 (from location) |
Evaluation mode of Origin | automatic |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV-A |
Event type | earthquake |
Origin ID | 19437541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 9186 |
Semi-minor axis of confidence ellipse (meter) | 7390 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 224 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 7428.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 37.17 |
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) | 1.48399 |
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 |
Field | Value |
---|---|
Value | 6.4 |
Uncertainty | 0.2 |
Num. used stations | 15 |
Type of magnitude | Mwp |
Reference to an origin | 19437541 |
Agency | INGV |
Autore | early-est_ee1.1.8 |
Time of creation (UTC) | 2015-05-30 19:02:55 |
Field | Value |
---|---|
Value | 6.5 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | Mwpd |
Reference to an origin | 19437541 |
Agency | INGV |
Autore | early-est_ee1.1.8 |
Time of creation (UTC) | 2015-05-30 19:02:55 |
Field | Value |
---|---|
Value | 6.1 |
Uncertainty | 0.3 |
Num. used stations | 67 |
Type of magnitude | mb |
Reference to an origin | 19437541 |
Agency | INGV |
Autore | early-est_ee1.1.8 |
Time of creation (UTC) | 2015-05-30 19:02:55 |