A magnitude Md 1.7 earthquake occured in region: 1 km E Macra (CN), on
and geographic coordinates (lat, lon) 44.5020, 7.1960 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 |
---|---|---|---|---|
Macra | CN | 1 | 59 | 59 |
Celle di Macra | CN | 2 | 100 | 159 |
San Damiano Macra | CN | 5 | 430 | 589 |
Stroppo | CN | 6 | 103 | 692 |
Cartignano | CN | 8 | 190 | 882 |
Sampeyre | CN | 9 | 1022 | 1904 |
Marmora | CN | 9 | 68 | 1972 |
Elva | CN | 9 | 97 | 2069 |
Frassino | CN | 10 | 265 | 2334 |
Canosio | CN | 10 | 80 | 2414 |
Castelmagno | CN | 10 | 66 | 2480 |
Prazzo | CN | 11 | 170 | 2650 |
Pradleves | CN | 12 | 250 | 2900 |
Roccabruna | CN | 12 | 1585 | 4485 |
Melle | CN | 12 | 292 | 4777 |
Valmala | CN | 13 | 52 | 4829 |
Dronero | CN | 14 | 7035 | 11864 |
Casteldelfino | CN | 14 | 157 | 12021 |
Monterosso Grana | CN | 15 | 505 | 12526 |
Villar San Costanzo | CN | 15 | 1547 | 14073 |
Brossasco | CN | 15 | 1084 | 15157 |
Montemale di Cuneo | CN | 16 | 241 | 15398 |
Acceglio | CN | 16 | 162 | 15560 |
Bellino | CN | 17 | 109 | 15669 |
Venasca | CN | 17 | 1437 | 17106 |
Isasca | CN | 18 | 76 | 17182 |
Valgrana | CN | 18 | 786 | 17968 |
Gambasca | CN | 19 | 371 | 18339 |
Pontechianale | CN | 19 | 179 | 18518 |
Sanfront | CN | 19 | 2395 | 20913 |
Rossana | CN | 19 | 908 | 21821 |
Martiniana Po | CN | 20 | 734 | 22555 |
Oncino | CN | 20 | 76 | 22631 |
Brondello | CN | 20 | 290 | 22921 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.7 | 1987-04-24 17:33:58 |
44.502 | 7.196 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 45579 |
Field | Value |
---|---|
Time (UTC) | 1987-04-24 17:33:58 ± 0.196 |
Latitude | 44.5020 ± 0.0322 |
Longitude | 7.1960 ± 0.0241 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 45579 |
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) | 4062.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 175 |
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) | 0.00024 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00235 |
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 | 1.7 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 45579 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:44:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.STV.Z. | 1987-04-24T17:34:08.10 | 10.0 | undecidable | manual | SG | 159 | 0.2553 | -0.55 | 0.1 | |
--.STV.Z. | 1987-04-24T17:34:04.60 | 10.0 | undecidable | manual | PG | 159 | 0.2553 | 0.39 | 0.5 | |
--.SOO.Z. | 1987-04-24T17:34:01.90 | 10.0 | undecidable | manual | SG | 272 | 0.0666 | -0.57 | 0.2 | |
--.DA9.Z. | 1987-04-24T17:34:01.20 | 10.0 | undecidable | manual | SG | 87 | 0.0222 | -0.65 | 0.1 | |
--.DA9.Z. | 1987-04-24T17:34:00.40 | 10.0 | positive | manual | PG | 87 | 0.0222 | 0.12 | 2.6 | |
--.SOO.Z. | 1987-04-24T17:34:00.80 | 10.0 | undecidable | manual | PG | 272 | 0.0666 | 0.17 | 2.5 |