A magnitude M 2.5 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.6140, 7.7240 at 17 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 |
---|---|---|---|---|
Bordighera | IM | 19 | 10469 | 10469 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
M 2.5 | 1990-10-27 20:51:12 |
43.614 | 7.724 | 17 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 129519 |
Field | Value |
---|---|
Time (UTC) | 1990-10-27 20:51:12 ± 0.4 |
Latitude | 43.6140 ± 0.0222 |
Longitude | 7.7240 ± 0.0268 |
Depth (km) | 17 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 129519 |
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) | 3281.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 220 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00283 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00988 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 129519 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.PCP.Z. | 1990-10-27T20:51:47.59 | 10.0 | undecidable | manual | SN | 32 | 1.0989 | -0.3 | 0.6 | |
--.PZZ.Z. | 1990-10-27T20:51:45.74 | 10.0 | undecidable | manual | SN | 333 | 0.9879 | 0.27 | 0.7 | |
--.LRG.Z. | 1990-10-27T20:51:44.60 | 10.0 | undecidable | manual | SN | 261 | 0.999 | -0.96 | 0.3 | |
--.LMR.Z. | 1990-10-27T20:51:42.00 | 10.0 | undecidable | manual | SN | 252 | 0.9213 | -1.74 | 0 | |
--.FRF.Z. | 1990-10-27T20:51:38.79 | 10.0 | undecidable | manual | SG | 266 | 0.777 | -0.99 | 0.3 | |
--.ROB.Z. | 1990-10-27T20:51:36.00 | 10.0 | undecidable | manual | SG | 8 | 0.6882 | -1.05 | 0.3 | |
--.STV.Z. | 1990-10-27T20:51:36.41 | 10.0 | undecidable | manual | SG | 336 | 0.6882 | -0.7 | 0.5 | |
--.ENR.Z. | 1990-10-27T20:51:35.18 | 10.0 | undecidable | manual | SG | 340 | 0.6438 | -0.42 | 0.7 | |
--.FIN.Z. | 1990-10-27T20:51:35.80 | 10.0 | undecidable | manual | SG | 30 | 0.6882 | -1.76 | 0 | |
--.PCP.Z. | 1990-10-27T20:51:33.84 | 10.0 | undecidable | manual | PN | 32 | 1.0989 | 0.84 | 0.8 | |
--.LRG.Z. | 1990-10-27T20:51:32.10 | 10.0 | undecidable | manual | PN | 261 | 0.999 | 0.44 | 1.5 | |
--.PZZ.Z. | 1990-10-27T20:51:32.52 | 10.0 | undecidable | manual | PN | 333 | 0.9879 | 0.91 | 0.7 | |
--.LMR.Z. | 1990-10-27T20:51:30.20 | 10.0 | undecidable | manual | PN | 252 | 0.9213 | -0.41 | 1.6 | |
--.FRF.Z. | 1990-10-27T20:51:28.40 | 10.0 | undecidable | manual | PG | 266 | 0.777 | 0.07 | 2.1 | |
--.STV.Z. | 1990-10-27T20:51:27.80 | 10.0 | undecidable | manual | PG | 336 | 0.6882 | 0.3 | 1.9 | |
--.FIN.Z. | 1990-10-27T20:51:26.36 | 10.0 | undecidable | manual | PG | 30 | 0.6882 | -0.27 | 2 | |
--.SBF.Z. | 1990-10-27T20:51:26.20 | 10.0 | undecidable | manual | SG | 320 | 0.3219 | 0.85 | 0.4 | |
--.ROB.Z. | 1990-10-27T20:51:26.78 | 10.0 | undecidable | manual | PG | 8 | 0.6882 | 0.03 | 2.1 | |
--.ENR.Z. | 1990-10-27T20:51:26.26 | 10.0 | undecidable | manual | PG | 340 | 0.6438 | 0.34 | 1.9 | |
--.IMI.Z. | 1990-10-27T20:51:24.52 | 10.0 | undecidable | manual | SG | 22 | 0.3108 | -0.7 | 0.5 | |
--.SBF.Z. | 1990-10-27T20:51:20.80 | 10.0 | undecidable | manual | PG | 320 | 0.3219 | 0.8 | 1.1 | |
--.IMI.Z. | 1990-10-27T20:51:19.91 | 10.0 | undecidable | manual | PG | 22 | 0.3108 | -0.02 | 2.1 |