A magnitude Md 2.5 earthquake occured in region: Mar Ligure (MARE), on
and geographic coordinates (lat, lon) 43.3730, 8.1550 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1987-12-02 06:50:06 |
43.373 | 8.155 | 16 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 59189 |
Field | Value |
---|---|
Time (UTC) | 1987-12-02 06:50:06 ± 0.608 |
Latitude | 43.3730 ± 0.0286 |
Longitude | 8.1550 ± 0.0413 |
Depth (km) | 16 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 59189 |
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) | 4608.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 141 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00510 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01222 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 59189 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:56:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SOO.Z. | 1987-12-02T06:50:47.50 | 10.0 | undecidable | manual | SN | 326 | 1.3542 | -0.4 | 0.6 | |
--.LRG.Z. | 1987-12-02T06:50:46.29 | 10.0 | undecidable | manual | SN | 273 | 1.2987 | -0.28 | 0.7 | |
--.LMR.Z. | 1987-12-02T06:50:42.50 | 10.0 | undecidable | manual | SN | 268 | 1.1988 | -1.48 | 0.2 | |
--.CKI.Z. | 1987-12-02T06:50:40.50 | 10.0 | undecidable | manual | SN | 4 | 1.0434 | 0.02 | 0.8 | |
--.FRF.Z. | 1987-12-02T06:50:40.29 | 10.0 | undecidable | manual | SN | 280 | 1.11 | -1.63 | 0.2 | |
--.STV.Z. | 1987-12-02T06:50:39.10 | 10.0 | undecidable | manual | SN | 325 | 1.0545 | -1.64 | 0.2 | |
--.SOO.Z. | 1987-12-02T06:50:32.00 | 10.0 | undecidable | manual | PN | 326 | 1.3542 | 1.71 | 0.3 | |
--.DOI.Z. | 1987-12-02T06:50:30.50 | 10.0 | undecidable | manual | PN | 330 | 1.2987 | 0.98 | 1 | |
--.SBF.Z. | 1987-12-02T06:50:30.20 | 10.0 | undecidable | manual | SG | 313 | 0.7104 | -0.96 | 0.4 | |
--.LRG.Z. | 1987-12-02T06:50:30.60 | 10.0 | undecidable | manual | PN | 273 | 1.2987 | 1.08 | 0.9 | |
--.LMR.Z. | 1987-12-02T06:50:28.30 | 10.0 | undecidable | manual | PN | 268 | 1.1988 | 0.28 | 1.7 | |
--.FRF.Z. | 1987-12-02T06:50:27.10 | 10.0 | undecidable | manual | PN | 280 | 1.11 | 0.27 | 1.8 | |
--.STV.Z. | 1987-12-02T06:50:26.40 | 10.0 | undecidable | manual | PN | 325 | 1.0545 | 0.25 | 1.9 | |
--.CKI.Z. | 1987-12-02T06:50:26.50 | 10.0 | undecidable | manual | PN | 4 | 1.0434 | 0.5 | 1.7 | |
--.IMP.Z. | 1987-12-02T06:50:25.20 | 10.0 | undecidable | manual | SG | 340 | 0.5661 | -1.5 | 0.2 | |
--.ROB.Z. | 1987-12-02T06:50:24.30 | 10.0 | undecidable | manual | PN | 347 | 0.9435 | -0.34 | 1.8 | |
--.CVF.Z. | 1987-12-02T06:50:23.50 | 10.0 | undecidable | manual | PN | 146 | 0.9546 | -1.27 | 0.7 | |
--.FIN.Z. | 1987-12-02T06:50:22.00 | 10.0 | undecidable | manual | PG | 2 | 0.8214 | -0.86 | 1.3 | |
--.SBF.Z. | 1987-12-02T06:50:20.90 | 10.0 | undecidable | manual | PG | 313 | 0.7104 | 0.28 | 1.9 | |
--.IMP.Z. | 1987-12-02T06:50:18.30 | 10.0 | undecidable | manual | PG | 340 | 0.5661 | 0.25 | 1.9 |