A magnitude Mwp 6.6 earthquake occured in region: Chile (Peruvian point of view) [Sea], on
and geographic coordinates (lat, lon) -28.7260, -71.6830 at 11 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 5.7
Mwp 6.6 Mwpd 6.9 |
2023-10-31 12:33:40 |
-28.7262 | -71.6828 | 11 | 2023-10-31 12:45:23 |
Sala Sismica INGV-Roma | 122619041 |
Field | Value |
---|---|
Time (UTC) | 2023-10-31 12:33:40 |
Latitude | -28.7262 |
Longitude | -71.6828 |
Depth (km) | 11 (from location) |
Evaluation mode of Origin | automatic |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV-A |
Event type | earthquake |
Origin ID | 122619041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 9105 |
Semi-minor axis of confidence ellipse (meter) | 1622 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 94 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 7422.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104.292 |
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) | 1.52282 |
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 | 6.9 |
Uncertainty | 0.1 |
Num. used stations | 17 |
Type of magnitude | Mwpd |
Reference to an origin | 122619041 |
Agency | INGV |
Autore | early-est_ee1.1.9 |
Time of creation (UTC) | 2023-10-31 12:45:23 |
Field | Value |
---|---|
Value | 6.6 |
Uncertainty | 0.1 |
Num. used stations | 27 |
Type of magnitude | Mwp |
Reference to an origin | 122619041 |
Agency | INGV |
Autore | early-est_ee1.1.9 |
Time of creation (UTC) | 2023-10-31 12:45:23 |
Field | Value |
---|---|
Value | 5.7 |
Uncertainty | 0.1 |
Num. used stations | 23 |
Type of magnitude | mb |
Reference to an origin | 122619041 |
Agency | INGV |
Autore | early-est_ee1.1.9 |
Time of creation (UTC) | 2023-10-31 12:45:23 |