A magnitude M 2.1 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.5600, 7.6240 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 2.1 | 1992-08-29 03:13:05 |
43.56 | 7.624 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 172469 |
Field | Value |
---|---|
Time (UTC) | 1992-08-29 03:13:05 ± 0.476 |
Latitude | 43.5600 ± 0.0159 |
Longitude | 7.6240 ± 0.0324 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 172469 |
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) | 3155.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 279 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00291 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00826 |
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 | 2.1 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 172469 |
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(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.LRG.Z. | 1992-08-29T03:13:36.30 | 10.0 | undecidable | manual | SG | 263 | 0.9213 | -0.33 | 0.5 | |
--.LMR.Z. | 1992-08-29T03:13:33.70 | 10.0 | undecidable | manual | SG | 254 | 0.8325 | -0.29 | 0.5 | |
--.FRF.Z. | 1992-08-29T03:13:30.30 | 10.0 | undecidable | manual | SG | 270 | 0.6993 | 0.55 | 0.3 | |
--.LRG.Z. | 1992-08-29T03:13:23.20 | 10.0 | undecidable | manual | PG | 263 | 0.9213 | -0.1 | 1.8 | |
--.LMR.Z. | 1992-08-29T03:13:21.50 | 10.0 | undecidable | manual | PG | 254 | 0.8325 | -0.28 | 1.4 | |
--.FRF.Z. | 1992-08-29T03:13:19.90 | 10.0 | undecidable | manual | PG | 270 | 0.6993 | 0.57 | 0.6 | |
--.SBF.Z. | 1992-08-29T03:13:17.40 | 10.0 | undecidable | manual | SG | 335 | 0.3219 | -0.29 | 0.6 | |
--.SBF.Z. | 1992-08-29T03:13:12.40 | 10.0 | undecidable | manual | PG | 335 | 0.3219 | 0.03 | 2.3 |