A magnitude Md 2.2 earthquake occured in region: 1 km NE Fontanelice (BO), on
and geographic coordinates (lat, lon) 44.2650, 11.5750 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 |
---|---|---|---|---|
Fontanelice | BO | 1 | 1943 | 1943 |
Borgo Tossignano | BO | 2 | 3288 | 5231 |
Casalfiumanese | BO | 5 | 3438 | 8669 |
Casola Valsenio | RA | 6 | 2617 | 11286 |
Castel del Rio | BO | 8 | 1246 | 12532 |
Dozza | BO | 12 | 6652 | 19184 |
Riolo Terme | RA | 12 | 5720 | 24904 |
Imola | BO | 15 | 69797 | 94701 |
Castel San Pietro Terme | BO | 15 | 20811 | 115512 |
Monterenzio | BO | 15 | 6035 | 121547 |
Brisighella | RA | 16 | 7639 | 129186 |
Palazzuolo sul Senio | FI | 17 | 1154 | 130340 |
Castel Bolognese | RA | 19 | 9554 | 139894 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML-VAX 1.7 |
1991-12-23 07:56:00 |
44.265 | 11.575 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 155729 |
Field | Value |
---|---|
Time (UTC) | 1991-12-23 07:56:00 ± 0.6 |
Latitude | 44.2650 ± 0.0362 |
Longitude | 11.5750 ± 0.0372 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 155729 |
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) | 4999.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 257 |
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) | 0.00356 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00656 |
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 | 155729 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:25:25 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 155729 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1991-12-23T07:56:26.00 | 10.0 | undecidable | manual | SG | 157 | 0.6882 | 0.88 | 0.1 | |
--.BDI.Z. | 1991-12-23T07:56:25.35 | 10.0 | undecidable | manual | SG | 254 | 0.7326 | -0.76 | 0.1 | |
--.SFI.Z. | 1991-12-23T07:56:15.80 | 10.0 | undecidable | manual | SG | 151 | 0.3996 | -0.05 | 0.8 | |
--.BDI.Z. | 1991-12-23T07:56:15.92 | 10.0 | undecidable | manual | PG | 254 | 0.7326 | 0.52 | 0.8 | |
--.PGD.Z. | 1991-12-23T07:56:15.52 | 10.0 | undecidable | manual | SG | 165 | 0.3996 | -0.11 | 0.8 | |
--.CRE.Z. | 1991-12-23T07:56:14.59 | 10.0 | undecidable | manual | PG | 157 | 0.6882 | -0.24 | 1.5 | |
--.SFI.Z. | 1991-12-23T07:56:09.26 | 10.0 | undecidable | manual | PG | 151 | 0.3996 | -0.22 | 1.8 | |
--.PGD.Z. | 1991-12-23T07:56:09.31 | 10.0 | undecidable | manual | PG | 165 | 0.3996 | -0.04 | 2.1 |