A magnitude Md 2.2 earthquake occured in region: 1 km SW Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.1090, 11.5450 at 5 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 |
---|---|---|---|---|
Palazzuolo sul Senio | FI | 1 | 1154 | 1154 |
Marradi | FI | 7 | 3139 | 4293 |
Castel del Rio | BO | 12 | 1246 | 5539 |
Firenzuola | FI | 13 | 4726 | 10265 |
Casola Valsenio | RA | 14 | 2617 | 12882 |
Tredozio | FC | 16 | 1212 | 14094 |
Fontanelice | BO | 17 | 1943 | 16037 |
Borgo Tossignano | BO | 19 | 3288 | 19325 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 2002-04-30 22:34:27 |
44.109 | 11.545 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 440359 |
Field | Value |
---|---|
Time (UTC) | 2002-04-30 22:34:27 ± 0.392 |
Latitude | 44.1090 ± 0.0206 |
Longitude | 11.5450 ± 0.0177 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 440359 |
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) | 2690.5 |
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 | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00130 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00607 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 440359 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:56:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 2002-04-30T22:34:41.91 | 10.0 | undecidable | manual | PG | 266 | 0.6771 | 0.08 | 1.3 | |
--.CRE.Z. | 2002-04-30T22:34:40.64 | 10.0 | undecidable | manual | PG | 148 | 0.5661 | 0.9 | 0.4 | |
--.SFI.Z. | 2002-04-30T22:34:39.71 | 10.0 | undecidable | manual | SG | 133 | 0.2997 | 0.55 | 0.6 | |
--.PGD.Z. | 2002-04-30T22:34:38.22 | 10.0 | undecidable | manual | SG | 151 | 0.2553 | 0.31 | 0.8 | |
--.SEI.Z. | 2002-04-30T22:34:34.20 | 10.0 | undecidable | manual | SG | 247 | 0.1443 | 0.66 | 0.4 | |
--.PGD.Z. | 2002-04-30T22:34:33.10 | 10.0 | undecidable | manual | PG | 151 | 0.2553 | -0.41 | 1.7 | |
--.VMG.Z. | 2002-04-30T22:34:33.30 | 10.0 | undecidable | manual | SG | 180 | 0.1443 | -0.16 | 0.9 | |
--.SFI.Z. | 2002-04-30T22:34:33.73 | 10.0 | undecidable | manual | PG | 133 | 0.2997 | -0.52 | 1.5 | |
--.VMG.Z. | 2002-04-30T22:34:30.20 | 10.0 | undecidable | manual | PG | 180 | 0.1443 | -0.74 | 0.9 | |
--.SEI.Z. | 2002-04-30T22:34:30.38 | 10.0 | undecidable | manual | PG | 247 | 0.1443 | -0.51 | 1.5 |