A magnitude M 3.0 earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 43.91, 8.51 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 |
M 3.0 | 1985-02-27 13:06:19 |
43.91 | 8.51 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 2709 |
Field | Value |
---|---|
Time (UTC) | 1985-02-27 13:06:19 ± 0.444 |
Latitude | 43.91 ± 0.02 |
Longitude | 8.51 ± 0.03 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 2709 |
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) | 2899.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 307 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00324 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00542 |
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 | 3 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 2709 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:42:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ROB.Z. | 1985-02-27T13:06:40.10 | 10.0 | undecidable | manual | SG | 310 | 0.0054 | -0.35 | 0.1 | |
--.IMP.Z. | 1985-02-27T13:06:35.50 | 10.0 | undecidable | manual | SG | 270 | 0.004 | 0.07 | 0.7 | |
--.FIN.Z. | 1985-02-27T13:06:33.30 | 10.0 | undecidable | manual | SG | 323 | 0.0032 | 0.38 | 0.1 | |
--.ROB.Z. | 1985-02-27T13:06:31.40 | 10.0 | undecidable | manual | PG | 310 | 0.0054 | -0.06 | 1.5 | |
--.IMP.Z. | 1985-02-27T13:06:28.60 | 10.0 | undecidable | manual | PG | 270 | 0.004 | 0.04 | 1.8 | |
--.FIN.Z. | 1985-02-27T13:06:27.10 | 10.0 | positive | manual | PG | 323 | 0.0032 | -0.02 | 1.9 |