A magnitude M 2.2 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.9020, 7.5120 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 |
---|---|---|---|---|
Olivetta San Michele | IM | 2 | 211 | 211 |
Airole | IM | 5 | 407 | 618 |
Rocchetta Nervina | IM | 7 | 298 | 916 |
Isolabona | IM | 11 | 679 | 1595 |
Dolceacqua | IM | 11 | 2074 | 3669 |
Apricale | IM | 12 | 629 | 4298 |
Pigna | IM | 13 | 859 | 5157 |
Castel Vittorio | IM | 13 | 287 | 5444 |
Camporosso | IM | 13 | 5632 | 11076 |
Perinaldo | IM | 14 | 870 | 11946 |
Soldano | IM | 14 | 977 | 12923 |
San Biagio della Cima | IM | 14 | 1329 | 14252 |
Ventimiglia | IM | 15 | 24310 | 38562 |
Vallebona | IM | 16 | 1310 | 39872 |
Vallecrosia | IM | 16 | 6956 | 46828 |
Bajardo | IM | 17 | 312 | 47140 |
Seborga | IM | 17 | 315 | 47455 |
Bordighera | IM | 19 | 10469 | 57924 |
Ospedaletti | IM | 20 | 3367 | 61291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
M 2.2 | 1991-05-17 11:22:51 |
43.902 | 7.512 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 141329 |
Field | Value |
---|---|
Time (UTC) | 1991-05-17 11:22:51 ± 0.225 |
Latitude | 43.9020 ± 0.0145 |
Longitude | 7.5120 ± 0.0243 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 141329 |
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) | 2526.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 91 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00057 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01554 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 141329 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.LPG.Z. | 1991-05-17T11:23:24.40 | 10.0 | undecidable | manual | PN! | 341 | 1.6761 | 3.4 | 0 | |
--.LRG.Z. | 1991-05-17T11:23:24.39 | 10.0 | undecidable | manual | SG | 242 | 0.9435 | 0.32 | 0.5 | |
--.LMR.Z. | 1991-05-17T11:23:23.39 | 10.0 | undecidable | manual | SG | 232 | 0.9213 | 0.07 | 0.6 | |
--.PGF.Z. | 1991-05-17T11:23:20.40 | 10.0 | undecidable | manual | PN | 140 | 1.7205 | -1.27 | 0.1 | |
--.FRF.Z. | 1991-05-17T11:23:16.60 | 10.0 | undecidable | manual | SG | 241 | 0.7104 | 0 | 0.7 | |
--.PCP.Z. | 1991-05-17T11:23:11.56 | 10.0 | undecidable | manual | PG | 48 | 0.9657 | 0.52 | 1.1 | |
--.LMR.Z. | 1991-05-17T11:23:10.10 | 10.0 | undecidable | manual | PG | 232 | 0.9213 | 0.09 | 1.5 | |
--.LRG.Z. | 1991-05-17T11:23:10.40 | 10.0 | undecidable | manual | PG | 242 | 0.9435 | -0.05 | 1.6 | |
--.BHB.Z. | 1991-05-17T11:23:09.44 | 10.0 | undecidable | manual | PG | 349 | 0.9435 | -1.07 | 0.3 | |
--.FRF.Z. | 1991-05-17T11:23:06.60 | 10.0 | undecidable | manual | PG | 241 | 0.7104 | 0.47 | 1.2 | |
--.FIN.Z. | 1991-05-17T11:23:05.30 | 10.0 | undecidable | manual | PG | 58 | 0.5883 | 1.23 | 0.2 | |
--.PZZ.Z. | 1991-05-17T11:23:05.35 | 10.0 | undecidable | manual | PG | 334 | 0.666 | -0.01 | 1.8 | |
--.ROB.Z. | 1991-05-17T11:23:01.50 | 10.0 | undecidable | manual | PG | 32 | 0.4662 | -0.26 | 1.6 | |
--.STV.Z. | 1991-05-17T11:22:59.87 | 10.0 | undecidable | manual | PG | 339 | 0.3663 | 0.03 | 1.8 | |
--.ENR.Z. | 1991-05-17T11:22:59.14 | 10.0 | undecidable | manual | PG | 348 | 0.3219 | 0.07 | 1.7 | |
--.SBF.Z. | 1991-05-17T11:22:56.00 | 10.0 | undecidable | manual | SG | 235 | 0.0666 | -0.16 | 0.7 | |
--.SBF.Z. | 1991-05-17T11:22:54.00 | 10.0 | undecidable | manual | PG | 235 | 0.0666 | -0.33 | 1.6 |