A magnitude M 2.1 earthquake occured in region: 3 km W Pigna (IM), on
and geographic coordinates (lat, lon) 43.9470, 7.6300 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 |
---|---|---|---|---|
Pigna | IM | 3 | 859 | 859 |
Castel Vittorio | IM | 4 | 287 | 1146 |
Rocchetta Nervina | IM | 7 | 298 | 1444 |
Isolabona | IM | 7 | 679 | 2123 |
Apricale | IM | 8 | 629 | 2752 |
Bajardo | IM | 9 | 312 | 3064 |
Perinaldo | IM | 10 | 870 | 3934 |
Airole | IM | 10 | 407 | 4341 |
Dolceacqua | IM | 11 | 2074 | 6415 |
Olivetta San Michele | IM | 12 | 211 | 6626 |
Triora | IM | 12 | 355 | 6981 |
Molini di Triora | IM | 13 | 617 | 7598 |
Soldano | IM | 13 | 977 | 8575 |
Ceriana | IM | 14 | 1250 | 9825 |
San Biagio della Cima | IM | 14 | 1329 | 11154 |
Seborga | IM | 14 | 315 | 11469 |
Camporosso | IM | 15 | 5632 | 17101 |
Vallebona | IM | 15 | 1310 | 18411 |
Vallecrosia | IM | 17 | 6956 | 25367 |
Ventimiglia | IM | 17 | 24310 | 49677 |
Montalto Ligure | IM | 17 | 377 | 50054 |
Ospedaletti | IM | 18 | 3367 | 53421 |
Badalucco | IM | 18 | 1136 | 54557 |
Briga Alta | CN | 18 | 39 | 54596 |
Sanremo | IM | 19 | 54807 | 109403 |
Bordighera | IM | 19 | 10469 | 119872 |
Carpasio | IM | 19 | 168 | 120040 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
M 2.1 | 1990-04-21 22:56:47 |
43.947 | 7.63 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 114659 |
Field | Value |
---|---|
Time (UTC) | 1990-04-21 22:56:47 ± 0.521 |
Latitude | 43.9470 ± 0.0946 |
Longitude | 7.6300 ± 0.0938 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 114659 |
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) | 12928.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 351 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00146 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00931 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 114659 |
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. | 1990-04-21T22:57:23.70 | 10.0 | undecidable | manual | SN | 242 | 1.0323 | 1 | 0 | |
--.LMR.Z. | 1990-04-21T22:57:22.20 | 10.0 | undecidable | manual | SG | 233 | 1.0101 | 0.2 | 0.6 | |
--.FRF.Z. | 1990-04-21T22:57:15.00 | 10.0 | undecidable | manual | SG | 241 | 0.7992 | -0.32 | 0.5 | |
--.LRG.Z. | 1990-04-21T22:57:07.80 | 10.0 | undecidable | manual | PN | 242 | 1.0323 | -0.01 | 1.7 | |
--.LMR.Z. | 1990-04-21T22:57:07.60 | 10.0 | undecidable | manual | PG | 233 | 1.0101 | 0.2 | 1.5 | |
--.FRF.Z. | 1990-04-21T22:57:03.50 | 10.0 | undecidable | manual | PG | 241 | 0.7992 | -0.05 | 2 | |
--.SBF.Z. | 1990-04-21T22:56:54.30 | 10.0 | undecidable | manual | SG | 239 | 0.1665 | -0.33 | 0.5 | |
--.SBF.Z. | 1990-04-21T22:56:51.20 | 10.0 | undecidable | manual | PG | 239 | 0.1665 | -0.4 | 1.1 |