A magnitude Md 2.3 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.6890, 7.9710 at 17 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 |
---|---|---|---|---|
Santo Stefano al Mare | IM | 18 | 2197 | 2197 |
Riva Ligure | IM | 18 | 2910 | 5107 |
San Lorenzo al Mare | IM | 18 | 1297 | 6404 |
Cipressa | IM | 19 | 1290 | 7694 |
Costarainera | IM | 19 | 828 | 8522 |
Terzorio | IM | 19 | 216 | 8738 |
Pompeiana | IM | 20 | 823 | 9561 |
Taggia | IM | 20 | 14116 | 23677 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
M 2.6 |
1991-06-10 05:14:25 |
43.689 | 7.971 | 17 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 143139 |
Field | Value |
---|---|
Time (UTC) | 1991-06-10 05:14:25 ± 0.641 |
Latitude | 43.6890 ± 0.0337 |
Longitude | 7.9710 ± 0.0384 |
Depth (km) | 17 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 143139 |
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) | 4856.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 295 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
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) | 0.00202 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01125 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 143139 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:13:36 |
Field | Value |
---|---|
Value | 2.6 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 143139 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.PZZ.Z. | 1991-06-10T05:14:59.72 | 10.0 | undecidable | manual | SN | 322 | 1.0212 | 0.43 | 0.5 | |
--.DOI.Z. | 1991-06-10T05:14:58.00 | 10.0 | undecidable | manual | SN | 327 | 0.9657 | 0.14 | 0.7 | |
--.PCP.Z. | 1991-06-10T05:14:56.54 | 10.0 | undecidable | manual | SN | 25 | 0.9435 | -0.83 | 0.3 | |
--.STV.Z. | 1991-06-10T05:14:49.47 | 10.0 | undecidable | manual | SG | 320 | 0.7215 | -1.57 | 0 | |
--.BHB.Z. | 1991-06-10T05:14:48.95 | 10.0 | undecidable | manual | PN | 336 | 1.2543 | 0.76 | 0.7 | |
--.ROB.Z. | 1991-06-10T05:14:47.52 | 10.0 | undecidable | manual | SG | 353 | 0.6105 | -0.02 | 0.8 | |
--.PZZ.Z. | 1991-06-10T05:14:45.47 | 10.0 | undecidable | manual | PN | 322 | 1.0212 | 0.37 | 1.5 | |
--.FIN.Z. | 1991-06-10T05:14:45.98 | 10.0 | undecidable | manual | SG | 18 | 0.5439 | 0.68 | 0.4 | |
--.DOI.Z. | 1991-06-10T05:14:44.50 | 10.0 | undecidable | manual | PN | 327 | 0.9657 | 0.23 | 1.7 | |
--.PCP.Z. | 1991-06-10T05:14:43.11 | 10.0 | undecidable | manual | PN | 25 | 0.9435 | -0.88 | 0.6 | |
--.STV.Z. | 1991-06-10T05:14:39.73 | 10.0 | undecidable | manual | PG | 320 | 0.7215 | -0.61 | 1.2 | |
--.ROB.Z. | 1991-06-10T05:14:38.39 | 10.0 | undecidable | manual | PG | 353 | 0.6105 | 0.07 | 2.1 | |
--.FIN.Z. | 1991-06-10T05:14:37.16 | 10.0 | undecidable | manual | PG | 18 | 0.5439 | 0.14 | 2 | |
--.IMI.Z. | 1991-06-10T05:14:36.24 | 10.0 | undecidable | manual | SG | 345 | 0.222 | 0.8 | 0.3 | |
--.IMI.Z. | 1991-06-10T05:14:31.42 | 10.0 | undecidable | manual | PG | 345 | 0.222 | 0.09 | 2.1 |