A magnitude Md 2.4 earthquake occured in region: 4 km W Forlimpopoli (FC), on
and geographic coordinates (lat, lon) 44.1980, 12.0840 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 |
---|---|---|---|---|
Forlimpopoli | FC | 4 | 13290 | 13290 |
Forlì | FC | 4 | 117913 | 131203 |
Bertinoro | FC | 7 | 11059 | 142262 |
Meldola | FC | 8 | 9970 | 152232 |
Castrocaro Terme e Terra del Sole | FC | 11 | 6426 | 158658 |
Predappio | FC | 13 | 6346 | 165004 |
Cesena | FC | 14 | 96758 | 261762 |
Dovadola | FC | 18 | 1653 | 263415 |
Faenza | RA | 19 | 58541 | 321956 |
Russi | RA | 20 | 12247 | 334203 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1991-11-01 23:43:54 |
44.198 | 12.084 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 152779 |
Field | Value |
---|---|
Time (UTC) | 1991-11-01 23:43:54 ± 0.816 |
Latitude | 44.1980 ± 0.0369 |
Longitude | 12.0840 ± 0.0253 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 152779 |
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) | 4575.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 276 |
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) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00300 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00526 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 152779 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:22:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1991-11-01T23:44:16.26 | 10.0 | undecidable | manual | SG | 189 | 0.5883 | -0.07 | 0.8 | |
--.PGD.Z. | 1991-11-01T23:44:11.57 | 10.0 | undecidable | manual | SG | 218 | 0.4107 | 0.86 | 0.4 | |
--.RSM.Z. | 1991-11-01T23:44:08.41 | 10.0 | undecidable | manual | SG | 135 | 0.3663 | -0.87 | 0.4 | |
--.SFI.Z. | 1991-11-01T23:44:07.83 | 10.0 | undecidable | manual | SG | 209 | 0.333 | 0.01 | 1 | |
--.CRE.Z. | 1991-11-01T23:44:06.66 | 10.0 | undecidable | manual | PG | 189 | 0.5883 | -0.51 | 1.5 | |
--.PGD.Z. | 1991-11-01T23:44:03.14 | 10.0 | undecidable | manual | PG | 218 | 0.4107 | -0.78 | 1.1 | |
--.RSM.Z. | 1991-11-01T23:44:03.83 | 10.0 | undecidable | manual | PG | 135 | 0.3663 | 0.73 | 1.2 | |
--.SFI.Z. | 1991-11-01T23:44:02.81 | 10.0 | undecidable | manual | PG | 209 | 0.333 | 0.55 | 1.6 |