A magnitude Md 2.2 earthquake occured in region: 2 km E Borgo Tossignano (BO), on
and geographic coordinates (lat, lon) 44.2740, 11.6190 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 |
---|---|---|---|---|
Borgo Tossignano | BO | 2 | 3288 | 3288 |
Casalfiumanese | BO | 3 | 3438 | 6726 |
Fontanelice | BO | 5 | 1943 | 8669 |
Casola Valsenio | RA | 6 | 2617 | 11286 |
Riolo Terme | RA | 9 | 5720 | 17006 |
Dozza | BO | 10 | 6652 | 23658 |
Castel del Rio | BO | 11 | 1246 | 24904 |
Imola | BO | 12 | 69797 | 94701 |
Brisighella | RA | 13 | 7639 | 102340 |
Castel San Pietro Terme | BO | 14 | 20811 | 123151 |
Castel Bolognese | RA | 15 | 9554 | 132705 |
Monterenzio | BO | 18 | 6035 | 138740 |
Castel Guelfo di Bologna | BO | 18 | 4455 | 143195 |
Palazzuolo sul Senio | FI | 19 | 1154 | 144349 |
Modigliana | FC | 19 | 4560 | 148909 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 2004-03-16 20:56:40 |
44.274 | 11.619 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 495089 |
Field | Value |
---|---|
Time (UTC) | 2004-03-16 20:56:40 ± 0.213 |
Latitude | 44.2740 ± 0.0149 |
Longitude | 11.6190 ± 0.0243 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 495089 |
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) | 2550.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 133 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
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) | 0.00332 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01255 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 8 |
Type of magnitude | Md |
Reference to an origin | 495089 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 00:52:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SNTG.Z. | 2004-03-16T20:57:06.95 | 10.0 | undecidable | manual | PN | 136 | 1.3875 | 0.9 | 0.2 | |
--.SFI.Z. | 2004-03-16T20:56:56.87 | 10.0 | undecidable | manual | SG | 156 | 0.3996 | 1.13 | 0.1 | |
--.BDI.Z. | 2004-03-16T20:56:56.80 | 10.0 | undecidable | manual | PG | 254 | 0.7548 | 0.23 | 1.3 | |
--.RSM.Z. | 2004-03-16T20:56:54.31 | 10.0 | undecidable | manual | PG | 119 | 0.6882 | -0.19 | 1.4 | |
--.CRE.Z. | 2004-03-16T20:56:54.70 | 10.0 | undecidable | manual | PG | 159 | 0.6882 | -0.55 | 0.8 | |
--.ZCCA.Z. | 2004-03-16T20:56:50.18 | 10.0 | undecidable | manual | PG | 280 | 0.4551 | -0.16 | 1.5 | |
--.SFI.Z. | 2004-03-16T20:56:48.51 | 10.0 | undecidable | manual | PG | 156 | 0.3996 | -0.6 | 0.8 | |
--.PGD.Z. | 2004-03-16T20:56:48.84 | 10.0 | undecidable | manual | PG | 169 | 0.3996 | -0.28 | 1.4 | |
--.FIU.N. | 2004-03-16T20:56:48.59 | 10.0 | undecidable | manual | PG | 346 | 0.3663 | 0.1 | 1.6 |