A magnitude Md 2.1 earthquake occured in region: Confine Italia Francia (FRANCIA), on
and geographic coordinates (lat, lon) 45.0280, 6.5780 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 |
---|---|---|---|---|
Bardonecchia | TO | 12 | 3215 | 3215 |
Claviere | TO | 17 | 214 | 3429 |
Cesana Torinese | TO | 19 | 967 | 4396 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
M 2.4 |
1987-02-26 09:17:36 |
45.028 | 6.578 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 42059 |
Field | Value |
---|---|
Time (UTC) | 1987-02-26 09:17:36 ± 0.364 |
Latitude | 45.0280 ± 0.0110 |
Longitude | 6.5780 ± 0.0286 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 42059 |
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) | 2558.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 286 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
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) | 0.00065 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00842 |
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 | 2 |
Type of magnitude | Md |
Reference to an origin | 42059 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:41:48 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 42059 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:48:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.STV.Z. | 1987-02-26T09:18:08.40 | 10.0 | undecidable | manual | SG | 145 | 0.9324 | -0.13 | 0.6 | |
--.DA9.Z. | 1987-02-26T09:18:00.50 | 10.0 | undecidable | manual | SG | 137 | 0.6993 | -0.45 | 0.3 | |
--.SOO.Z. | 1987-02-26T09:17:59.20 | 10.0 | undecidable | manual | SG | 144 | 0.6327 | 0.34 | 0.5 | |
--.STV.Z. | 1987-02-26T09:17:55.10 | 10.0 | undecidable | manual | PG | 145 | 0.9324 | 0.26 | 1.2 | |
--.RSP.Z. | 1987-02-26T09:17:54.50 | 10.0 | undecidable | manual | SG | 75 | 0.4995 | 0.34 | 0.5 | |
--.DA9.Z. | 1987-02-26T09:17:50.00 | 10.0 | undecidable | manual | PG | 137 | 0.6993 | -0.47 | 0.6 | |
--.SOO.Z. | 1987-02-26T09:17:49.60 | 10.0 | undecidable | manual | PG | 144 | 0.6327 | 0.34 | 1.1 | |
--.RSP.Z. | 1987-02-26T09:17:46.40 | 10.0 | undecidable | manual | PG | 75 | 0.4995 | -0.15 | 2.1 | |
--.BNI.Z. | 1987-02-26T09:17:40.50 | 10.0 | undecidable | manual | SG | 71 | 0.0666 | 0.13 | 0.8 | |
--.BNI.Z. | 1987-02-26T09:17:38.50 | 10.0 | undecidable | manual | PG | 71 | 0.0666 | -0.09 | 2.2 |