A magnitude Md 2.2 earthquake occured in region: 4 km N Firenzuola (FI), on
and geographic coordinates (lat, lon) 44.1560, 11.3820 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 |
---|---|---|---|---|
Firenzuola | FI | 4 | 4726 | 4726 |
Monghidoro | BO | 9 | 3749 | 8475 |
Castel del Rio | BO | 12 | 1246 | 9721 |
San Benedetto Val di Sambro | BO | 14 | 4315 | 14036 |
Loiano | BO | 14 | 4294 | 18330 |
Palazzuolo sul Senio | FI | 14 | 1154 | 19484 |
Monzuno | BO | 16 | 6328 | 25812 |
Fontanelice | BO | 18 | 1943 | 27755 |
Castiglione dei Pepoli | BO | 18 | 5648 | 33403 |
Monterenzio | BO | 19 | 6035 | 39438 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 2001-08-29 21:35:02 |
44.156 | 11.382 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 426849 |
Field | Value |
---|---|
Time (UTC) | 2001-08-29 21:35:02 ± 0.286 |
Latitude | 44.1560 ± 0.0285 |
Longitude | 11.3820 ± 0.0328 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 426849 |
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) | 4111.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 182 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00308 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00615 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 426849 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:42:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PGD.Z. | 2001-08-29T21:35:17.55 | 10.0 | undecidable | manual | SG | 138 | 0.3663 | 0.59 | 0.2 | |
--.SFI.Z. | 2001-08-29T21:35:17.29 | 10.0 | undecidable | manual | SG | 126 | 0.4107 | -1.46 | 0 | |
--.CSNT.Z. | 2001-08-29T21:35:16.69 | 10.0 | negative | manual | PG | 185 | 0.6882 | -0.21 | 1.7 | |
--.CRE.Z. | 2001-08-29T21:35:16.75 | 10.0 | undecidable | manual | PG | 142 | 0.6771 | 0.06 | 1 | |
--.ZCCA.Z. | 2001-08-29T21:35:16.10 | 10.0 | undecidable | manual | SG | 303 | 0.3441 | -0.08 | 0.5 | |
--.PGD.Z. | 2001-08-29T21:35:11.34 | 10.0 | negative | manual | PG | 138 | 0.3663 | 0.49 | 1.2 | |
--.SFI.Z. | 2001-08-29T21:35:11.77 | 10.0 | positive | manual | PG | 126 | 0.4107 | -0.12 | 2.3 | |
--.ZCCA.Z. | 2001-08-29T21:35:10.37 | 10.0 | undecidable | manual | PG | 303 | 0.3441 | 0.02 | 1.2 |