A magnitude Md 1.8 earthquake occured in region: Confine Italia Francia (FRANCIA), on
and geographic coordinates (lat, lon) 45.2580, 6.6230 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.8 | 1987-02-27 01:29:42 |
45.258 | 6.623 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 42129 |
Field | Value |
---|---|
Time (UTC) | 1987-02-27 01:29:42 ± 0.483 |
Latitude | 45.2580 ± 0.0172 |
Longitude | 6.6230 ± 0.0371 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 42129 |
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) | 3473.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 252 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00186 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00413 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 42129 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:41:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.RSP.Z. | 1987-02-27T01:29:58.90 | 10.0 | undecidable | manual | SG | 103 | 0.4551 | -0.11 | 0.8 | |
--.LSD.Z. | 1987-02-27T01:29:57.30 | 10.0 | undecidable | manual | SG | 61 | 0.4218 | -0.58 | 0.4 | |
--.RRL.Z. | 1987-02-27T01:29:56.10 | 10.0 | undecidable | manual | SG | 161 | 0.3552 | 0.39 | 0.6 | |
--.RSP.Z. | 1987-02-27T01:29:52.50 | 10.0 | undecidable | manual | PG | 103 | 0.4551 | 0.53 | 1 | |
--.LSD.Z. | 1987-02-27T01:29:51.20 | 10.0 | undecidable | manual | PG | 61 | 0.4218 | -0.12 | 2 | |
--.BNI.Z. | 1987-02-27T01:29:50.00 | 10.0 | undecidable | manual | SG | 169 | 0.2109 | -1 | 0.1 | |
--.RRL.Z. | 1987-02-27T01:29:50.50 | 10.0 | undecidable | manual | PG | 161 | 0.3552 | 0.44 | 1.4 | |
--.BNI.Z. | 1987-02-27T01:29:47.00 | 10.0 | undecidable | manual | PG | 169 | 0.2109 | -0.34 | 1.7 |