A magnitude Md 1.8 earthquake occured in region: 3 km SE Demonte (CN), on
and geographic coordinates (lat, lon) 44.2970, 7.3200 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 |
---|---|---|---|---|
Demonte | CN | 3 | 2003 | 2003 |
Moiola | CN | 6 | 234 | 2237 |
Valloriate | CN | 6 | 109 | 2346 |
Valdieri | CN | 7 | 935 | 3281 |
Aisone | CN | 8 | 248 | 3529 |
Gaiola | CN | 8 | 582 | 4111 |
Entracque | CN | 9 | 774 | 4885 |
Rittana | CN | 9 | 109 | 4994 |
Roccasparvera | CN | 11 | 741 | 5735 |
Roaschia | CN | 11 | 107 | 5842 |
Vinadio | CN | 12 | 644 | 6486 |
Monterosso Grana | CN | 13 | 505 | 6991 |
Roccavione | CN | 13 | 2761 | 9752 |
Valgrana | CN | 14 | 786 | 10538 |
Bernezzo | CN | 14 | 4104 | 14642 |
Vignolo | CN | 14 | 2600 | 17242 |
Borgo San Dalmazzo | CN | 14 | 12468 | 29710 |
Pradleves | CN | 14 | 250 | 29960 |
Castelmagno | CN | 15 | 66 | 30026 |
Cervasca | CN | 15 | 5013 | 35039 |
Robilante | CN | 15 | 2306 | 37345 |
Caraglio | CN | 16 | 6836 | 44181 |
Montemale di Cuneo | CN | 16 | 241 | 44422 |
Vernante | CN | 18 | 1178 | 45600 |
Boves | CN | 19 | 9835 | 55435 |
Dronero | CN | 19 | 7035 | 62470 |
Sambuco | CN | 20 | 92 | 62562 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.8 | 1987-02-04 01:40:22 |
44.297 | 7.32 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 40479 |
Field | Value |
---|---|
Time (UTC) | 1987-02-04 01:40:22 ± 0.063 |
Latitude | 44.2970 ± 0.0066 |
Longitude | 7.3200 ± 0.0247 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 40479 |
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) | 2100.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 185 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00040 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00227 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 40479 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:40:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SOO.Z. | 1987-02-04T01:40:33.30 | 10.0 | undecidable | manual | SG | 323 | 0.2553 | 0.16 | 0.2 | |
--.DA9.Z. | 1987-02-04T01:40:31.50 | 10.0 | undecidable | manual | SG | 345 | 0.2109 | -0.14 | 0.3 | |
--.DA9.Z. | 1987-02-04T01:40:28.00 | 10.0 | undecidable | manual | PG | 345 | 0.2109 | 0.06 | 1.4 | |
--.SOO.Z. | 1987-02-04T01:40:28.70 | 10.0 | undecidable | manual | PG | 323 | 0.2553 | -0.1 | 0.9 | |
--.STV.Z. | 1987-02-04T01:40:26.60 | 10.0 | undecidable | manual | SG | 171 | 0.0444 | -0.18 | 0.3 | |
--.STV.Z. | 1987-02-04T01:40:25.20 | 10.0 | undecidable | manual | PG | 171 | 0.0444 | 0.07 | 3 |