A magnitude Md 1.7 earthquake occured in region: 1 km E Castelmagno (CN), on
and geographic coordinates (lat, lon) 44.4120, 7.2200 at 10 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Castelmagno | CN | 1 | 66 | 66 |
Pradleves | CN | 5 | 250 | 316 |
Monterosso Grana | CN | 8 | 505 | 821 |
Celle di Macra | CN | 9 | 100 | 921 |
San Damiano Macra | CN | 9 | 430 | 1351 |
Cartignano | CN | 9 | 190 | 1541 |
Macra | CN | 10 | 59 | 1600 |
Aisone | CN | 11 | 248 | 1848 |
Marmora | CN | 11 | 68 | 1916 |
Canosio | CN | 12 | 80 | 1996 |
Vinadio | CN | 12 | 644 | 2640 |
Roccabruna | CN | 12 | 1585 | 4225 |
Demonte | CN | 12 | 2003 | 6228 |
Montemale di Cuneo | CN | 13 | 241 | 6469 |
Valgrana | CN | 13 | 786 | 7255 |
Stroppo | CN | 13 | 103 | 7358 |
Dronero | CN | 13 | 7035 | 14393 |
Sambuco | CN | 14 | 92 | 14485 |
Valloriate | CN | 15 | 109 | 14594 |
Villar San Costanzo | CN | 15 | 1547 | 16141 |
Prazzo | CN | 15 | 170 | 16311 |
Rittana | CN | 16 | 109 | 16420 |
Caraglio | CN | 17 | 6836 | 23256 |
Pietraporzio | CN | 17 | 77 | 23333 |
Moiola | CN | 17 | 234 | 23567 |
Gaiola | CN | 17 | 582 | 24149 |
Bernezzo | CN | 17 | 4104 | 28253 |
Elva | CN | 18 | 97 | 28350 |
Valmala | CN | 18 | 52 | 28402 |
Frassino | CN | 18 | 265 | 28667 |
Melle | CN | 19 | 292 | 28959 |
Sampeyre | CN | 19 | 1022 | 29981 |
Roccasparvera | CN | 19 | 741 | 30722 |
Acceglio | CN | 20 | 162 | 30884 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.7 | 1987-02-07 08:34:21 |
44.412 | 7.22 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 40769 |
Field | Value |
---|---|
Time (UTC) | 1987-02-07 08:34:21 ± 0.173 |
Latitude | 44.4120 ± 0.0105 |
Longitude | 7.2200 ± 0.0206 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 40769 |
Field | Value |
---|---|
Preferred uncertainty description | horizontal uncertainty |
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) | 2010.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 163 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00081 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00429 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 40769 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:40:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ROB.Z. | 1987-02-07T08:34:38.20 | 10.0 | undecidable | manual | SG | 102 | 0.4773 | -0.32 | 0.3 | |
--.ROB.Z. | 1987-02-07T08:34:31.80 | 10.0 | undecidable | manual | PG | 102 | 0.4773 | 0.59 | 0.2 | |
--.STV.Z. | 1987-02-07T08:34:28.10 | 10.0 | undecidable | manual | SG | 153 | 0.1665 | -0.76 | 0 | |
--.SOO.Z. | 1987-02-07T08:34:27.00 | 10.0 | undecidable | manual | SG | 317 | 0.1221 | -0.19 | 0.6 | |
--.DA9.Z. | 1987-02-07T08:34:26.00 | 10.0 | undecidable | manual | SG | 11 | 0.0888 | -0.22 | 0.8 | |
--.STV.Z. | 1987-02-07T08:34:25.70 | 10.0 | undecidable | manual | PG | 153 | 0.1665 | 0.06 | 1.6 | |
--.DA9.Z. | 1987-02-07T08:34:24.00 | 10.0 | positive | manual | PG | 11 | 0.0888 | -0.11 | 3.2 | |
--.SOO.Z. | 1987-02-07T08:34:24.90 | 10.0 | undecidable | manual | PG | 317 | 0.1221 | 0.23 | 1.3 |