A magnitude M 2.1 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.9040, 7.4560 at 14 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 |
---|---|---|---|---|
Olivetta San Michele | IM | 6 | 211 | 211 |
Airole | IM | 9 | 407 | 618 |
Rocchetta Nervina | IM | 12 | 298 | 916 |
Dolceacqua | IM | 15 | 2074 | 2990 |
Isolabona | IM | 15 | 679 | 3669 |
Apricale | IM | 17 | 629 | 4298 |
Pigna | IM | 17 | 859 | 5157 |
Camporosso | IM | 17 | 5632 | 10789 |
Ventimiglia | IM | 18 | 24310 | 35099 |
Castel Vittorio | IM | 18 | 287 | 35386 |
Perinaldo | IM | 18 | 870 | 36256 |
Soldano | IM | 18 | 977 | 37233 |
San Biagio della Cima | IM | 18 | 1329 | 38562 |
Vallecrosia | IM | 20 | 6956 | 45518 |
Vallebona | IM | 20 | 1310 | 46828 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
M 2.1 | 1991-11-10 01:18:28 |
43.904 | 7.456 | 14 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 153109 |
Field | Value |
---|---|
Time (UTC) | 1991-11-10 01:18:28 ± 0.255 |
Latitude | 43.9040 ± 0.0207 |
Longitude | 7.4560 ± 0.0259 |
Depth (km) | 14 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 153109 |
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) | 3101.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 111 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
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) | 0.00032 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00899 |
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 | 2.1 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 153109 |
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. | 1991-11-10T01:18:59.60 | 10.0 | undecidable | manual | SG | 240 | 0.9102 | 0.22 | 0.6 | |
--.PCP.Z. | 1991-11-10T01:18:59.50 | 10.0 | undecidable | manual | SN | 50 | 0.999 | -2.33 | 0 | |
--.LMR.Z. | 1991-11-10T01:18:58.00 | 10.0 | undecidable | manual | SG | 230 | 0.888 | -0.77 | 0.3 | |
--.FRF.Z. | 1991-11-10T01:18:51.60 | 10.0 | undecidable | manual | SG | 239 | 0.6771 | -0.35 | 0.6 | |
--.FIN.Z. | 1991-11-10T01:18:48.70 | 10.0 | undecidable | manual | SG | 60 | 0.6105 | -1.4 | 0.1 | |
--.PCP.Z. | 1991-11-10T01:18:48.50 | 10.0 | undecidable | manual | PN | 50 | 0.999 | 0.87 | 0.6 | |
--.LRG.Z. | 1991-11-10T01:18:46.40 | 10.0 | undecidable | manual | PG | 240 | 0.9102 | 0.18 | 1.4 | |
--.LMR.Z. | 1991-11-10T01:18:45.80 | 10.0 | undecidable | manual | PG | 230 | 0.888 | -0.06 | 1.5 | |
--.FRF.Z. | 1991-11-10T01:18:42.00 | 10.0 | undecidable | manual | PG | 239 | 0.6771 | 0.07 | 1.7 | |
--.PZZ.Z. | 1991-11-10T01:18:42.31 | 10.0 | undecidable | manual | PG | 337 | 0.6438 | 0.85 | 0.8 | |
--.FIN.Z. | 1991-11-10T01:18:41.90 | 10.0 | undecidable | manual | PG | 60 | 0.6105 | 1.04 | 0.6 | |
--.ROB.Z. | 1991-11-10T01:18:38.52 | 10.0 | undecidable | manual | PG | 36 | 0.4995 | -0.09 | 1.8 | |
--.IMI.Z. | 1991-11-10T01:18:35.44 | 10.0 | undecidable | manual | PG | 88 | 0.3108 | 0.18 | 1.7 | |
--.STV.Z. | 1991-11-10T01:18:35.44 | 10.0 | undecidable | manual | PG | 345 | 0.3552 | -0.62 | 1.2 | |
--.ENR.Z. | 1991-11-10T01:18:35.13 | 10.0 | undecidable | manual | PG | 355 | 0.3108 | -0.28 | 1.7 | |
--.SBF.Z. | 1991-11-10T01:18:32.60 | 10.0 | undecidable | manual | SG | 200 | 0.0333 | -0.6 | 0.5 | |
--.SBF.Z. | 1991-11-10T01:18:31.10 | 10.0 | undecidable | manual | PG | 200 | 0.0333 | 0 | 1.8 |