A magnitude Md 2.1 earthquake occured in region: 6 km N Civitella di Romagna (FC), on
and geographic coordinates (lat, lon) 44.0600, 11.9280 at 21 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 |
---|---|---|---|---|
Civitella di Romagna | FC | 6 | 3786 | 3786 |
Predappio | FC | 6 | 6346 | 10132 |
Rocca San Casciano | FC | 7 | 1910 | 12042 |
Galeata | FC | 7 | 2516 | 14558 |
Dovadola | FC | 8 | 1653 | 16211 |
Portico e San Benedetto | FC | 12 | 756 | 16967 |
Santa Sofia | FC | 13 | 4136 | 21103 |
Meldola | FC | 13 | 9970 | 31073 |
Castrocaro Terme e Terra del Sole | FC | 13 | 6426 | 37499 |
Tredozio | FC | 15 | 1212 | 38711 |
Modigliana | FC | 15 | 4560 | 43271 |
Premilcuore | FC | 15 | 799 | 44070 |
Bertinoro | FC | 19 | 11059 | 55129 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 2004-09-04 23:00:20 |
44.06 | 11.928 | 21 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 504609 |
Field | Value |
---|---|
Time (UTC) | 2004-09-04 23:00:20 ± 0.245 |
Latitude | 44.0600 ± 0.0172 |
Longitude | 11.9280 ± 0.0115 |
Depth (km) | 21 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 504609 |
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) | 2124.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 230 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00146 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00664 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 504609 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 01:02:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CSNT.Z. | 2004-09-04T23:00:46.22 | 10.0 | undecidable | manual | SN | 218 | 0.7326 | -0.18 | 0.4 | |
--.CRE.Z. | 2004-09-04T23:00:36.48 | 10.0 | undecidable | manual | SG | 177 | 0.4329 | -0.39 | 0.2 | |
--.CSNT.Z. | 2004-09-04T23:00:35.53 | 10.0 | undecidable | manual | PN | 218 | 0.7326 | 0.15 | 1.1 | |
--.FSSB.Z. | 2004-09-04T23:00:34.97 | 10.0 | undecidable | manual | PG | 120 | 0.7104 | 0.16 | 1.1 | |
--.VMG.Z. | 2004-09-04T23:00:32.73 | 10.0 | undecidable | manual | SG | 250 | 0.2886 | 0.23 | 0.5 | |
--.PGD.Z. | 2004-09-04T23:00:31.22 | 10.0 | undecidable | manual | SG | 218 | 0.2331 | 0.28 | 0.4 | |
--.CRE.Z. | 2004-09-04T23:00:30.30 | 10.0 | undecidable | manual | PG | 177 | 0.4329 | 0.15 | 1.5 | |
--.SFI.Z. | 2004-09-04T23:00:29.72 | 10.0 | undecidable | manual | SG | 200 | 0.1665 | 0.56 | 0 | |
--.VMG.Z. | 2004-09-04T23:00:27.30 | 10.0 | undecidable | manual | PG | 250 | 0.2886 | -0.05 | 1.9 | |
--.PGD.Z. | 2004-09-04T23:00:26.31 | 10.0 | undecidable | manual | PG | 218 | 0.2331 | -0.14 | 1.6 | |
--.SFI.Z. | 2004-09-04T23:00:25.19 | 10.0 | positive | manual | PG | 200 | 0.1665 | -0.23 | 2.3 |