A magnitude Md 2.1 earthquake occured in region: 3 km NW San Damiano Macra (CN), on
and geographic coordinates (lat, lon) 44.5120, 7.2450 at 9 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 |
---|---|---|---|---|
San Damiano Macra | CN | 3 | 430 | 430 |
Cartignano | CN | 5 | 190 | 620 |
Macra | CN | 5 | 59 | 679 |
Celle di Macra | CN | 6 | 100 | 779 |
Frassino | CN | 7 | 265 | 1044 |
Melle | CN | 8 | 292 | 1336 |
Roccabruna | CN | 9 | 1585 | 2921 |
Sampeyre | CN | 9 | 1022 | 3943 |
Valmala | CN | 9 | 52 | 3995 |
Stroppo | CN | 9 | 103 | 4098 |
Dronero | CN | 11 | 7035 | 11133 |
Pradleves | CN | 11 | 250 | 11383 |
Brossasco | CN | 11 | 1084 | 12467 |
Villar San Costanzo | CN | 11 | 1547 | 14014 |
Castelmagno | CN | 12 | 66 | 14080 |
Elva | CN | 13 | 97 | 14177 |
Monterosso Grana | CN | 13 | 505 | 14682 |
Montemale di Cuneo | CN | 13 | 241 | 14923 |
Marmora | CN | 13 | 68 | 14991 |
Venasca | CN | 13 | 1437 | 16428 |
Isasca | CN | 14 | 76 | 16504 |
Canosio | CN | 14 | 80 | 16584 |
Prazzo | CN | 15 | 170 | 16754 |
Rossana | CN | 15 | 908 | 17662 |
Gambasca | CN | 16 | 371 | 18033 |
Valgrana | CN | 16 | 786 | 18819 |
Martiniana Po | CN | 16 | 734 | 19553 |
Sanfront | CN | 16 | 2395 | 21948 |
Brondello | CN | 16 | 290 | 22238 |
Casteldelfino | CN | 17 | 157 | 22395 |
Rifreddo | CN | 18 | 1078 | 23473 |
Caraglio | CN | 18 | 6836 | 30309 |
Piasco | CN | 18 | 2774 | 33083 |
Busca | CN | 18 | 10181 | 43264 |
Pagno | CN | 19 | 585 | 43849 |
Oncino | CN | 19 | 76 | 43925 |
Castellar | CN | 20 | 295 | 44220 |
Paesana | CN | 20 | 2784 | 47004 |
Bellino | CN | 20 | 109 | 47113 |
Revello | CN | 20 | 4262 | 51375 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
M 2.3 |
1987-04-18 22:52:40 |
44.512 | 7.245 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 45199 |
Field | Value |
---|---|
Time (UTC) | 1987-04-18 22:52:40 ± 0.408 |
Latitude | 44.5120 ± 0.0317 |
Longitude | 7.2450 ± 0.0296 |
Depth (km) | 9 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 45199 |
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) | 4239.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 207 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00672 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 45199 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:44:33 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 45199 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:50:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FIN.Z. | 1987-04-18T22:53:05.60 | 10.0 | undecidable | manual | SG | 113 | 0.7437 | -1.28 | 0 | |
--.ROB.Z. | 1987-04-18T22:52:58.60 | 10.0 | undecidable | manual | SG | 114 | 0.4995 | -0.02 | 0.6 | |
--.FIN.Z. | 1987-04-18T22:52:55.80 | 10.0 | undecidable | manual | PG | 113 | 0.7437 | -0.01 | 1.1 | |
--.ROB.Z. | 1987-04-18T22:52:51.40 | 10.0 | undecidable | manual | PG | 114 | 0.4995 | 0.37 | 1 | |
--.STV.Z. | 1987-04-18T22:52:51.10 | 10.0 | undecidable | manual | SG | 166 | 0.2553 | -0.21 | 0.6 | |
--.STV.Z. | 1987-04-18T22:52:47.20 | 10.0 | undecidable | manual | PG | 166 | 0.2553 | 0.39 | 1.2 | |
--.SOO.Z. | 1987-04-18T22:52:43.10 | 10.0 | undecidable | manual | PG | 266 | 0.0999 | -0.5 | 0.9 | |
--.DA9.Z. | 1987-04-18T22:52:43.50 | 10.0 | undecidable | manual | SG | 177 | -0.39 | 0.7 | ||
--.DA9.Z. | 1987-04-18T22:52:42.80 | 10.0 | undecidable | manual | PG | 177 | 0.27 | 2.9 |