A magnitude Md 2.2 earthquake occured in region: 2 km E Casola Valsenio (RA), on
and geographic coordinates (lat, lon) 44.2170, 11.6520 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 |
---|---|---|---|---|
Casola Valsenio | RA | 2 | 2617 | 2617 |
Borgo Tossignano | BO | 8 | 3288 | 5905 |
Fontanelice | BO | 9 | 1943 | 7848 |
Riolo Terme | RA | 9 | 5720 | 13568 |
Brisighella | RA | 9 | 7639 | 21207 |
Casalfiumanese | BO | 10 | 3438 | 24645 |
Castel del Rio | BO | 12 | 1246 | 25891 |
Modigliana | FC | 13 | 4560 | 30451 |
Palazzuolo sul Senio | FI | 14 | 1154 | 31605 |
Marradi | FI | 16 | 3139 | 34744 |
Imola | BO | 16 | 69797 | 104541 |
Dozza | BO | 16 | 6652 | 111193 |
Castel Bolognese | RA | 16 | 9554 | 120747 |
Tredozio | FC | 17 | 1212 | 121959 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1994-01-18 20:33:20 |
44.217 | 11.652 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 203999 |
Field | Value |
---|---|
Time (UTC) | 1994-01-18 20:33:20 ± 0.383 |
Latitude | 44.2170 ± 0.0239 |
Longitude | 11.6520 ± 0.0254 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 203999 |
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) | 3347.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 256 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00308 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00688 |
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 | 2 |
Type of magnitude | Md |
Reference to an origin | 203999 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:11:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1994-01-18T20:33:42.50 | 10.0 | undecidable | manual | SG | 160 | 0.6327 | -0.51 | 0 | |
--.BDI.Z. | 1994-01-18T20:33:36.70 | 10.0 | undecidable | manual | PG | 258 | 0.7659 | -0.08 | 1.4 | |
--.PGD.Z. | 1994-01-18T20:33:34.00 | 10.0 | undecidable | manual | SG | 171 | 0.3441 | 0.28 | 0.3 | |
--.CRE.Z. | 1994-01-18T20:33:33.75 | 10.0 | undecidable | manual | PG | 160 | 0.6327 | 0.16 | 1.2 | |
--.SFI.Z. | 1994-01-18T20:33:33.60 | 10.0 | undecidable | manual | SG | 155 | 0.3441 | -0.05 | 0.8 | |
--.SFI.Z. | 1994-01-18T20:33:28.90 | 10.0 | undecidable | manual | PG | 155 | 0.3441 | -0.09 | 1.7 | |
--.PGD.Z. | 1994-01-18T20:33:28.36 | 10.0 | undecidable | manual | PG | 171 | 0.3441 | 0.13 | 1.6 |