A magnitude M 2.3 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.6320, 7.5570 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Ventimiglia | IM | 18 | 24310 | 24310 |
Bordighera | IM | 19 | 10469 | 34779 |
Vallecrosia | IM | 19 | 6956 | 41735 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
M 2.3 | 1990-11-10 06:23:18 |
43.632 | 7.557 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 130129 |
Field | Value |
---|---|
Time (UTC) | 1990-11-10 06:23:18 ± 0.273 |
Latitude | 43.6320 ± 0.0144 |
Longitude | 7.5570 ± 0.0190 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 130129 |
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) | 2216.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 209 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00219 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00834 |
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 | 2.3 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 130129 |
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. | 1990-11-10T06:23:48.39 | 10.0 | undecidable | manual | SG | 258 | 0.8769 | -0.48 | 0.2 | |
--.LMR.Z. | 1990-11-10T06:23:45.50 | 10.0 | undecidable | manual | SG | 248 | 0.8103 | -1.17 | 0 | |
--.FRF.Z. | 1990-11-10T06:23:41.60 | 10.0 | undecidable | manual | SG | 263 | 0.6549 | -0.14 | 0.6 | |
--.PZZ.Z. | 1990-11-10T06:23:37.80 | 10.0 | undecidable | manual | PG | 339 | 0.9213 | 0.17 | 1.2 | |
--.LRG.Z. | 1990-11-10T06:23:36.20 | 10.0 | undecidable | manual | PG | 258 | 0.8769 | 0.14 | 1.3 | |
--.LMR.Z. | 1990-11-10T06:23:35.20 | 10.0 | undecidable | manual | PG | 248 | 0.8103 | 0.41 | 0.7 | |
--.FIN.Z. | 1990-11-10T06:23:33.18 | 10.0 | undecidable | manual | PG | 38 | 0.7326 | -0.23 | 1.2 | |
--.FRF.Z. | 1990-11-10T06:23:32.30 | 10.0 | undecidable | manual | PG | 263 | 0.6549 | 0.36 | 0.9 | |
--.ROB.Z. | 1990-11-10T06:23:32.56 | 10.0 | undecidable | manual | PG | 18 | 0.6993 | -0.19 | 1.4 | |
--.STV.Z. | 1990-11-10T06:23:31.44 | 10.0 | undecidable | manual | PG | 345 | 0.6327 | -0.07 | 1.6 | |
--.ENR.Z. | 1990-11-10T06:23:30.77 | 10.0 | undecidable | manual | PG | 350 | 0.5883 | -0.04 | 1.7 | |
--.SBF.Z. | 1990-11-10T06:23:28.39 | 10.0 | undecidable | manual | SG | 339 | 0.2442 | 0.01 | 0.7 | |
--.SBF.Z. | 1990-11-10T06:23:24.40 | 10.0 | undecidable | manual | PG | 339 | 0.2442 | 0.17 | 1.5 |