A magnitude M 2.5 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.6430, 7.8180 at 16 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 |
---|---|---|---|---|
Bordighera | IM | 19 | 10469 | 10469 |
Ospedaletti | IM | 19 | 3367 | 13836 |
Sanremo | IM | 20 | 54807 | 68643 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
M 2.5 | 1986-06-28 03:04:04 |
43.643 | 7.818 | 16 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 30369 |
Field | Value |
---|---|
Time (UTC) | 1986-06-28 03:04:04 ± 0.544 |
Latitude | 43.6430 ± 0.0292 |
Longitude | 7.8180 ± 0.0422 |
Depth (km) | 16 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 30369 |
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) | 4697.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 226 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
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) | 0.00251 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00963 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 30369 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SOO.Z. | 1986-06-28T03:04:37.10 | 10.0 | undecidable | manual | SN | 329 | 0.999 | -0.43 | 0.5 | |
--.LMR.Z. | 1986-06-28T03:04:35.90 | 10.0 | undecidable | manual | SN | 252 | 0.9879 | -1.48 | 0.1 | |
--.FRF.Z. | 1986-06-28T03:04:31.00 | 10.0 | undecidable | manual | SG | 264 | 0.8436 | -2.63 | 0 | |
--.STV.Z. | 1986-06-28T03:04:28.50 | 10.0 | undecidable | manual | SG | 330 | 0.6993 | -0.33 | 0.6 | |
--.ROB.Z. | 1986-06-28T03:04:27.10 | 10.0 | undecidable | manual | SG | 3 | 0.6549 | -0.41 | 0.8 | |
--.ENR.Z. | 1986-06-28T03:04:26.70 | 10.0 | undecidable | manual | SG | 334 | 0.6438 | -0.47 | 0.5 | |
--.FIN.Z. | 1986-06-28T03:04:25.20 | 10.0 | undecidable | manual | SG | 26 | 0.6327 | -1.36 | 0.1 | |
--.LRG.Z. | 1986-06-28T03:04:25.00 | 10.0 | undecidable | manual | PN | 260 | 1.0656 | 0.57 | 1 | |
--.SOO.Z. | 1986-06-28T03:04:24.20 | 10.0 | undecidable | manual | PN | 329 | 0.999 | 0.71 | 0.9 | |
--.LMR.Z. | 1986-06-28T03:04:23.30 | 10.0 | undecidable | manual | PN | 252 | 0.9879 | -0.1 | 1.3 | |
--.FRF.Z. | 1986-06-28T03:04:20.90 | 10.0 | undecidable | manual | PG | 264 | 0.8436 | -0.34 | 1.3 | |
--.SBF.Z. | 1986-06-28T03:04:19.10 | 10.0 | undecidable | manual | SG | 308 | 0.3552 | 1.33 | 0.1 | |
--.ENR.Z. | 1986-06-28T03:04:18.00 | 10.0 | undecidable | manual | PG | 334 | 0.6438 | 0.49 | 1.3 | |
--.STV.Z. | 1986-06-28T03:04:18.90 | 10.0 | undecidable | manual | PG | 330 | 0.6993 | 0.43 | 1.4 | |
--.FIN.Z. | 1986-06-28T03:04:17.10 | 10.0 | undecidable | manual | PG | 26 | 0.6327 | -0.05 | 1.6 | |
--.ROB.Z. | 1986-06-28T03:04:17.70 | 10.0 | undecidable | manual | PG | 3 | 0.6549 | 0 | 3.3 | |
--.IMP.Z. | 1986-06-28T03:04:14.30 | 10.0 | undecidable | manual | SG | 11 | 0.2775 | -1.17 | 0.3 | |
--.SBF.Z. | 1986-06-28T03:04:13.20 | 10.0 | undecidable | manual | PG | 308 | 0.3552 | 1.12 | 0.5 | |
--.IMP.Z. | 1986-06-28T03:04:10.90 | 10.0 | undecidable | manual | PG | 11 | 0.2775 | 0.15 | 3.2 |