A magnitude Md 1.8 earthquake occured in region: 4 km NE Aisone (CN), on
and geographic coordinates (lat, lon) 44.3420, 7.2590 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 |
---|---|---|---|---|
Aisone | CN | 4 | 248 | 248 |
Demonte | CN | 4 | 2003 | 2251 |
Vinadio | CN | 8 | 644 | 2895 |
Castelmagno | CN | 8 | 66 | 2961 |
Pradleves | CN | 9 | 250 | 3211 |
Monterosso Grana | CN | 9 | 505 | 3716 |
Valloriate | CN | 9 | 109 | 3825 |
Moiola | CN | 11 | 234 | 4059 |
Rittana | CN | 11 | 109 | 4168 |
Gaiola | CN | 12 | 582 | 4750 |
Valgrana | CN | 12 | 786 | 5536 |
Valdieri | CN | 13 | 935 | 6471 |
Montemale di Cuneo | CN | 14 | 241 | 6712 |
Sambuco | CN | 14 | 92 | 6804 |
Roccasparvera | CN | 15 | 741 | 7545 |
Bernezzo | CN | 15 | 4104 | 11649 |
Cartignano | CN | 15 | 190 | 11839 |
Entracque | CN | 16 | 774 | 12613 |
Caraglio | CN | 16 | 6836 | 19449 |
Dronero | CN | 16 | 7035 | 26484 |
San Damiano Macra | CN | 16 | 430 | 26914 |
Roccabruna | CN | 16 | 1585 | 28499 |
Celle di Macra | CN | 17 | 100 | 28599 |
Vignolo | CN | 17 | 2600 | 31199 |
Cervasca | CN | 17 | 5013 | 36212 |
Roaschia | CN | 18 | 107 | 36319 |
Pietraporzio | CN | 18 | 77 | 36396 |
Roccavione | CN | 18 | 2761 | 39157 |
Marmora | CN | 18 | 68 | 39225 |
Borgo San Dalmazzo | CN | 18 | 12468 | 51693 |
Villar San Costanzo | CN | 19 | 1547 | 53240 |
Macra | CN | 19 | 59 | 53299 |
Canosio | CN | 19 | 80 | 53379 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.8 | 1987-04-21 09:05:32 |
44.342 | 7.259 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 45329 |
Field | Value |
---|---|
Time (UTC) | 1987-04-21 09:05:32 ± 0.296 |
Latitude | 44.3420 ± 0.0105 |
Longitude | 7.2590 ± 0.0269 |
Depth (km) | 10 ± 5 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 45329 |
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) | 2432.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 174 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00089 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00170 |
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 | 45329 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:44:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.DA9.Z. | 1987-04-21T09:05:40.00 | 10.0 | undecidable | manual | SG | 356 | 0.1554 | 0.24 | 0.4 | |
--.SOO.Z. | 1987-04-21T09:05:40.70 | 10.0 | undecidable | manual | SG | 325 | 0.1887 | -0.21 | 0.4 | |
--.STV.Z. | 1987-04-21T09:05:37.90 | 10.0 | undecidable | manual | SG | 150 | 0.0999 | -0.1 | 0.8 | |
--.SOO.Z. | 1987-04-21T09:05:37.60 | 10.0 | undecidable | manual | PG | 325 | 0.1887 | 0.18 | 1.3 | |
--.DA9.Z. | 1987-04-21T09:05:36.50 | 10.0 | undecidable | manual | PG | 356 | 0.1554 | -0.26 | 0.9 | |
--.STV.Z. | 1987-04-21T09:05:35.80 | 10.0 | undecidable | manual | PG | 150 | 0.0999 | 0.06 | 2.2 |