A magnitude Md 2.5 earthquake occured in region: 4 km W Forlì (FC), on
and geographic coordinates (lat, lon) 44.2110, 11.9950 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 |
---|---|---|---|---|
Forlì | FC | 4 | 117913 | 117913 |
Castrocaro Terme e Terra del Sole | FC | 5 | 6426 | 124339 |
Meldola | FC | 11 | 9970 | 134309 |
Forlimpopoli | FC | 11 | 13290 | 147599 |
Predappio | FC | 12 | 6346 | 153945 |
Faenza | RA | 12 | 58541 | 212486 |
Dovadola | FC | 13 | 1653 | 214139 |
Bertinoro | FC | 13 | 11059 | 225198 |
Modigliana | FC | 17 | 4560 | 229758 |
Brisighella | RA | 18 | 7639 | 237397 |
Russi | RA | 18 | 12247 | 249644 |
Castel Bolognese | RA | 20 | 9554 | 259198 |
Cotignola | RA | 20 | 7474 | 266672 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 2000-04-23 21:26:23 |
44.211 | 11.995 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 388089 |
Field | Value |
---|---|
Time (UTC) | 2000-04-23 21:26:23 ± 1.036 |
Latitude | 44.2110 ± 0.0378 |
Longitude | 11.9950 ± 0.0779 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 388089 |
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) | 7494.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 281 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00291 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00907 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 388089 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:04:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CSNT.Z. | 2000-04-23T21:26:56.98 | 10.0 | undecidable | manual | SG | 214 | 0.888 | 1.61 | 0.1 | |
--.CRE.Z. | 2000-04-23T21:26:46.82 | 10.0 | undecidable | manual | SG | 182 | 0.5883 | 1.21 | 0.2 | |
--.BDI.Z. | 2000-04-23T21:26:44.49 | 10.0 | undecidable | manual | PG | 261 | 1.0101 | 0.31 | 1.4 | |
--.CSNT.Z. | 2000-04-23T21:26:42.10 | 10.0 | undecidable | manual | PG | 214 | 0.888 | 0.01 | 1.6 | |
--.PGD.Z. | 2000-04-23T21:26:37.38 | 10.0 | undecidable | manual | SG | 210 | 0.3885 | -1.43 | 0.1 | |
--.CRE.Z. | 2000-04-23T21:26:36.34 | 10.0 | undecidable | manual | PG | 182 | 0.5883 | -0.02 | 2 | |
--.SFI.Z. | 2000-04-23T21:26:36.72 | 10.0 | undecidable | manual | SG | 198 | 0.3219 | 0.37 | 0.7 | |
--.PGD.Z. | 2000-04-23T21:26:31.56 | 10.0 | undecidable | manual | PG | 210 | 0.3885 | -0.88 | 1 | |
--.SFI.Z. | 2000-04-23T21:26:30.71 | 10.0 | undecidable | manual | PG | 198 | 0.3219 | -0.31 | 1.9 |