A magnitude Md 2.2 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on
and geographic coordinates (lat, lon) 43.6910, 13.7740 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.
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 2.2 | 2002-02-28 17:21:35 |
43.691 | 13.774 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 437039 |
Field | Value |
---|---|
Time (UTC) | 2002-02-28 17:21:35 ± 0.506 |
Latitude | 43.6910 ± 0.0252 |
Longitude | 13.7740 ± 0.0285 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 437039 |
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) | 3620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 316 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00567 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00923 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 437039 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:52:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 2002-02-28T17:22:10.88 | 10.0 | undecidable | manual | SG | 232 | 1.0212 | 0.63 | 0.2 | |
--.NRCA.Z. | 2002-02-28T17:22:08.32 | 10.0 | undecidable | manual | SG | 208 | 0.9768 | -0.46 | 0.3 | |
--.SNTG.Z. | 2002-02-28T17:22:01.18 | 10.0 | undecidable | manual | SG | 233 | 0.7326 | 0.02 | 0.9 | |
--.ARV.Z. | 2002-02-28T17:21:57.17 | 10.0 | undecidable | manual | SG | 252 | 0.6327 | -0.3 | 0.5 | |
--.ASS.Z. | 2002-02-28T17:21:55.70 | 10.0 | undecidable | manual | PG | 232 | 1.0212 | 0.2 | 1.8 | |
--.NRCA.Z. | 2002-02-28T17:21:54.51 | 10.0 | undecidable | manual | PG | 208 | 0.9768 | -0.13 | 2 | |
--.SNTG.Z. | 2002-02-28T17:21:50.70 | 10.0 | undecidable | manual | PG | 233 | 0.7326 | 0.46 | 1.1 | |
--.ARV.Z. | 2002-02-28T17:21:47.76 | 10.0 | undecidable | manual | PG | 252 | 0.6327 | -0.36 | 1.2 |