A magnitude Md 2.1 earthquake occured in region: 6 km NW Castel del Rio (BO), on
and geographic coordinates (lat, lon) 44.2620, 11.4760 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Castel del Rio | BO | 6 | 1246 | 1246 |
Fontanelice | BO | 7 | 1943 | 3189 |
Monterenzio | BO | 9 | 6035 | 9224 |
Borgo Tossignano | BO | 9 | 3288 | 12512 |
Casalfiumanese | BO | 12 | 3438 | 15950 |
Loiano | BO | 12 | 4294 | 20244 |
Casola Valsenio | RA | 13 | 2617 | 22861 |
Monghidoro | BO | 13 | 3749 | 26610 |
Monzuno | BO | 16 | 6328 | 32938 |
Dozza | BO | 16 | 6652 | 39590 |
Pianoro | BO | 17 | 17460 | 57050 |
Palazzuolo sul Senio | FI | 18 | 1154 | 58204 |
Firenzuola | FI | 18 | 4726 | 62930 |
Castel San Pietro Terme | BO | 18 | 20811 | 83741 |
San Benedetto Val di Sambro | BO | 20 | 4315 | 88056 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 2003-09-23 23:48:23 |
44.262 | 11.476 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 486479 |
Field | Value |
---|---|
Time (UTC) | 2003-09-23 23:48:23 ± 0.196 |
Latitude | 44.2620 ± 0.0120 |
Longitude | 11.4760 ± 0.0161 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 486479 |
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) | 1845.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 218 |
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) | 0.00194 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00648 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 486479 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 00:43:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 2003-09-23T23:48:38.48 | 10.0 | undecidable | manual | PG | 151 | 0.7215 | 0.5 | 0.2 | |
--.VMG.Z. | 2003-09-23T23:48:35.21 | 10.0 | undecidable | manual | SG | 170 | 0.2997 | 0.14 | 0.6 | |
--.SEI.Z. | 2003-09-23T23:48:32.86 | 10.0 | undecidable | manual | SG | 202 | 0.2109 | 0.36 | 0.3 | |
--.SFI.Z. | 2003-09-23T23:48:32.70 | 10.0 | undecidable | manual | PG | 143 | 0.444 | -0.06 | 1.6 | |
--.PGD.Z. | 2003-09-23T23:48:32.19 | 10.0 | undecidable | manual | PG | 155 | 0.4218 | -0.18 | 1.4 | |
--.ZCCA.Z. | 2003-09-23T23:48:31.40 | 10.0 | undecidable | manual | PG | 284 | 0.3552 | 0.09 | 1.7 | |
--.VMG.Z. | 2003-09-23T23:48:29.81 | 10.0 | undecidable | manual | PG | 170 | 0.2997 | -0.32 | 0.9 | |
--.SEI.Z. | 2003-09-23T23:48:28.40 | 10.0 | undecidable | manual | PG | 202 | 0.2109 | -0.25 | 1.2 |