A magnitude Mwp 6.4 earthquake occured in region: South Georgia & the South Sandwich Is. [Sea], on
and geographic coordinates (lat, lon) -56.7560, -25.5730 at 31 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 5.4
Mwp 6.4 Mwpd 6.6 |
2018-11-15 20:02:27 |
-56.7563 | -25.5729 | 31 | 2018-11-15 20:29:51 |
Sala Sismica INGV-Roma | 63100751 |
Field | Value |
---|---|
Time (UTC) | 2018-11-15 20:02:27 |
Latitude | -56.7563 |
Longitude | -25.5729 |
Depth (km) | 31 (from location) |
Evaluation mode of Origin | automatic |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV-A |
Event type | earthquake |
Origin ID | 63100751 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 16567 |
Semi-minor axis of confidence ellipse (meter) | 15192 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 8 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 16238.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 68.8673 |
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) | 1.21801 |
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 | 6.6 |
Uncertainty | 0.1 |
Num. used stations | 36 |
Type of magnitude | Mwpd |
Reference to an origin | 63100751 |
Agency | INGV |
Autore | early-est_ee1.2.3 |
Time of creation (UTC) | 2018-11-15 20:29:51 |
Field | Value |
---|---|
Value | 6.4 |
Uncertainty | 0.1 |
Num. used stations | 37 |
Type of magnitude | Mwp |
Reference to an origin | 63100751 |
Agency | INGV |
Autore | early-est_ee1.2.3 |
Time of creation (UTC) | 2018-11-15 20:29:51 |
Field | Value |
---|---|
Value | 5.4 |
Uncertainty | 0.2 |
Num. used stations | 45 |
Type of magnitude | mb |
Reference to an origin | 63100751 |
Agency | INGV |
Autore | early-est_ee1.2.3 |
Time of creation (UTC) | 2018-11-15 20:29:51 |