A magnitude Md 2.2 earthquake occured in region: 2 km W Dolceacqua (IM), on
and geographic coordinates (lat, lon) 43.8550, 7.6010 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 |
---|---|---|---|---|
Dolceacqua | IM | 2 | 2074 | 2074 |
Rocchetta Nervina | IM | 4 | 298 | 2372 |
Airole | IM | 4 | 407 | 2779 |
Isolabona | IM | 4 | 679 | 3458 |
Camporosso | IM | 5 | 5632 | 9090 |
Soldano | IM | 5 | 977 | 10067 |
San Biagio della Cima | IM | 6 | 1329 | 11396 |
Apricale | IM | 6 | 629 | 12025 |
Perinaldo | IM | 6 | 870 | 12895 |
Vallebona | IM | 7 | 1310 | 14205 |
Ventimiglia | IM | 7 | 24310 | 38515 |
Olivetta San Michele | IM | 7 | 211 | 38726 |
Vallecrosia | IM | 8 | 6956 | 45682 |
Seborga | IM | 8 | 315 | 45997 |
Bordighera | IM | 10 | 10469 | 56466 |
Pigna | IM | 10 | 859 | 57325 |
Castel Vittorio | IM | 10 | 287 | 57612 |
Bajardo | IM | 11 | 312 | 57924 |
Ospedaletti | IM | 11 | 3367 | 61291 |
Ceriana | IM | 14 | 1250 | 62541 |
Sanremo | IM | 15 | 54807 | 117348 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1987-02-06 16:16:56 |
43.855 | 7.601 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 40749 |
Field | Value |
---|---|
Time (UTC) | 1987-02-06 16:16:56 ± 0.805 |
Latitude | 43.8550 ± 0.0372 |
Longitude | 7.6010 ± 0.0326 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 40749 |
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) | 4894.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 310 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
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) | 0.00397 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00623 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 40749 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:40:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.DA9.Z. | 1987-02-06T16:17:20.50 | 10.0 | undecidable | manual | SG | 338 | 0.6882 | 0.2 | 0.8 | |
--.ROB.Z. | 1987-02-06T16:17:14.10 | 10.0 | undecidable | manual | SG | 23 | 0.4884 | 0.49 | 0.7 | |
--.DA9.Z. | 1987-02-06T16:17:11.00 | 10.0 | undecidable | manual | PG | 338 | 0.6882 | 0.96 | 0.6 | |
--.STV.Z. | 1987-02-06T16:17:11.60 | 10.0 | undecidable | manual | SG | 333 | 0.444 | -0.51 | 0.5 | |
--.STV.Z. | 1987-02-06T16:17:05.00 | 10.0 | undecidable | manual | PG | 333 | 0.444 | -0.31 | 1.7 | |
--.ROB.Z. | 1987-02-06T16:17:05.80 | 10.0 | undecidable | manual | PG | 23 | 0.4884 | -0.38 | 1.7 |