A magnitude Md 2.5 earthquake occured in region: 1 km S Forlimpopoli (FC), on
and geographic coordinates (lat, lon) 44.1800, 12.1260 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 | 1 | 13290 | 13290 |
Bertinoro | FC | 3 | 11059 | 24349 |
Meldola | FC | 8 | 9970 | 34319 |
Forlì | FC | 8 | 117913 | 152232 |
Cesena | FC | 11 | 96758 | 248990 |
Castrocaro Terme e Terra del Sole | FC | 14 | 6426 | 255416 |
Predappio | FC | 14 | 6346 | 261762 |
Montiano | FC | 18 | 1716 | 263478 |
Gambettola | FC | 18 | 10660 | 274138 |
Longiano | FC | 20 | 7126 | 281264 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1987-04-22 14:20:45 |
44.18 | 12.126 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 45409 |
Field | Value |
---|---|
Time (UTC) | 1987-04-22 14:20:45 ± 0.702 |
Latitude | 44.1800 ± 0.0399 |
Longitude | 12.1260 ± 0.0297 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 45409 |
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) | 5031.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 274 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00372 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01101 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 45409 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:44:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-04-22T14:21:18.50 | 10.0 | undecidable | manual | SG | 138 | 0.8991 | 1.05 | 0 | |
--.CM8.Z. | 1987-04-22T14:21:09.44 | 10.0 | undecidable | manual | PN | 142 | 1.221 | 0.05 | 1.4 | |
--.CRE.Z. | 1987-04-22T14:21:06.50 | 10.0 | undecidable | manual | SG | 192 | 0.5661 | -0.47 | 0.7 | |
--.ARV.Z. | 1987-04-22T14:21:03.50 | 10.0 | undecidable | manual | PG | 138 | 0.8991 | -0.52 | 0.8 | |
--.PGD.Z. | 1987-04-22T14:21:02.00 | 10.0 | undecidable | manual | SG | 223 | 0.4107 | 0.01 | 0.8 | |
--.CRE.Z. | 1987-04-22T14:20:58.00 | 10.0 | undecidable | manual | PG | 192 | 0.5661 | 0.02 | 2 | |
--.PGD.Z. | 1987-04-22T14:20:55.50 | 10.0 | undecidable | manual | PG | 223 | 0.4107 | 0.4 | 1 |