A magnitude Md 2.4 earthquake occured in region: 1 km W Forlimpopoli (FC), on
and geographic coordinates (lat, lon) 44.1920, 12.1110 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 |
---|---|---|---|---|
Forlimpopoli | FC | 1 | 13290 | 13290 |
Bertinoro | FC | 5 | 11059 | 24349 |
Forlì | FC | 7 | 117913 | 142262 |
Meldola | FC | 8 | 9970 | 152232 |
Cesena | FC | 12 | 96758 | 248990 |
Castrocaro Terme e Terra del Sole | FC | 13 | 6426 | 255416 |
Predappio | FC | 14 | 6346 | 261762 |
Dovadola | FC | 19 | 1653 | 263415 |
Montiano | FC | 20 | 1716 | 265131 |
Gambettola | FC | 20 | 10660 | 275791 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1987-04-26 21:21:01 |
44.192 | 12.111 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 45769 |
Field | Value |
---|---|
Time (UTC) | 1987-04-26 21:21:01 ± 0.738 |
Latitude | 44.1920 ± 0.0434 |
Longitude | 12.1110 ± 0.0233 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 45769 |
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) | 5167.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 277 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
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) | 0.00380 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00818 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 45769 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:45:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-04-26T21:21:33.50 | 10.0 | undecidable | manual | SG | 138 | 0.9102 | 0.7 | 0.1 | |
--.CRE.Z. | 1987-04-26T21:21:21.50 | 10.0 | undecidable | manual | SG | 191 | 0.5772 | -0.61 | 0.3 | |
--.ARV.Z. | 1987-04-26T21:21:19.50 | 10.0 | undecidable | manual | PG | 138 | 0.9102 | -0.05 | 1.7 | |
--.PGD.Z. | 1987-04-26T21:21:17.50 | 10.0 | undecidable | manual | SG | 221 | 0.4218 | 0.55 | 0.5 | |
--.CRE.Z. | 1987-04-26T21:21:13.00 | 10.0 | undecidable | manual | PG | 191 | 0.5772 | -0.38 | 1.3 | |
--.PGD.Z. | 1987-04-26T21:21:10.50 | 10.0 | undecidable | manual | PG | 221 | 0.4218 | 0.09 | 2.1 |