A magnitude M 2.0 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.5810, 7.4610 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 2.0 | 1989-12-27 09:18:21 |
43.581 | 7.461 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 106739 |
Field | Value |
---|---|
Time (UTC) | 1989-12-27 09:18:21 ± 0.373 |
Latitude | 43.5810 ± 0.0203 |
Longitude | 7.4610 ± 0.0261 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 106739 |
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) | 3089.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 218 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
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) | 0.00251 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00858 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 106739 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.PZZ.Z. | 1989-12-27T09:18:53.46 | 10.0 | undecidable | manual | SG | 344 | 0.9546 | -0.53 | 0.4 | |
--.FIN.Z. | 1989-12-27T09:18:48.12 | 10.0 | undecidable | manual | SG | 40 | 0.8214 | -1.62 | 0 | |
--.ROB.Z. | 1989-12-27T09:18:46.79 | 10.0 | undecidable | manual | SG | 22 | 0.777 | -1.44 | 0 | |
--.STV.Z. | 1989-12-27T09:18:44.74 | 10.0 | undecidable | manual | SG | 352 | 0.6771 | -0.19 | 0.8 | |
--.ENR.Z. | 1989-12-27T09:18:43.41 | 10.0 | undecidable | manual | SG | 357 | 0.6327 | -0.54 | 0.5 | |
--.FRF.Z. | 1989-12-27T09:18:41.30 | 10.0 | undecidable | manual | SG | 268 | 0.5883 | -0.84 | 0.3 | |
--.PZZ.Z. | 1989-12-27T09:18:40.43 | 10.0 | undecidable | manual | PG | 344 | 0.9546 | 0.26 | 1.5 | |
--.LRG.Z. | 1989-12-27T09:18:37.30 | 10.0 | undecidable | manual | PG | 261 | 0.7992 | -0.07 | 1.8 | |
--.FIN.Z. | 1989-12-27T09:18:37.36 | 10.0 | undecidable | manual | PG | 40 | 0.8214 | -0.36 | 1.5 | |
--.ROB.Z. | 1989-12-27T09:18:37.16 | 10.0 | undecidable | manual | PG | 22 | 0.777 | 0.31 | 1.6 | |
--.ENR.Z. | 1989-12-27T09:18:35.90 | 10.0 | undecidable | manual | PG | 357 | 0.6327 | 0.72 | 0.9 | |
--.STV.Z. | 1989-12-27T09:18:35.18 | 10.0 | undecidable | manual | PG | 352 | 0.6771 | 0.24 | 1.8 | |
--.FRF.Z. | 1989-12-27T09:18:33.00 | 10.0 | undecidable | manual | PG | 268 | 0.5883 | -0.33 | 1.7 | |
--.SBF.Z. | 1989-12-27T09:18:33.00 | 10.0 | undecidable | manual | SG | 356 | 0.2775 | 0.72 | 0.4 | |
--.IMI.Z. | 1989-12-27T09:18:31.27 | 10.0 | undecidable | manual | PG | 43 | 0.444 | 0.46 | 1.5 | |
--.SBF.Z. | 1989-12-27T09:18:28.20 | 10.0 | undecidable | manual | PG | 356 | 0.2775 | 0.56 | 1.3 |