A magnitude Md 2.3 earthquake occured in region: 4 km NE Tredozio (FC), on
and geographic coordinates (lat, lon) 44.1090, 11.7740 at 0 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 |
---|---|---|---|---|
Tredozio | FC | 4 | 1212 | 1212 |
Modigliana | FC | 6 | 4560 | 5772 |
Rocca San Casciano | FC | 8 | 1910 | 7682 |
Portico e San Benedetto | FC | 9 | 756 | 8438 |
Dovadola | FC | 9 | 1653 | 10091 |
Brisighella | RA | 13 | 7639 | 17730 |
Marradi | FI | 13 | 3139 | 20869 |
Premilcuore | FC | 15 | 799 | 21668 |
Castrocaro Terme e Terra del Sole | FC | 16 | 6426 | 28094 |
Galeata | FC | 17 | 2516 | 30610 |
Predappio | FC | 17 | 6346 | 36956 |
Civitella di Romagna | FC | 17 | 3786 | 40742 |
Casola Valsenio | RA | 18 | 2617 | 43359 |
Palazzuolo sul Senio | FI | 18 | 1154 | 44513 |
Riolo Terme | RA | 19 | 5720 | 50233 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1990-11-24 12:35:14 |
44.109 | 11.774 | 1 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 131089 |
Field | Value |
---|---|
Time (UTC) | 1990-11-24 12:35:14 ± 0.985 |
Latitude | 44.1090 ± 0.0370 |
Longitude | 11.7740 ± 0.0663 |
Depth (km) | 1 ± 9 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 131089 |
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) | 6706.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 296 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00186 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00931 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 131089 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:01:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1990-11-24T12:35:53.00 | 10.0 | undecidable | manual | SG | 125 | 1.0323 | 1.13 | 0.1 | |
--.ARV.Z. | 1990-11-24T12:35:36.00 | 10.0 | undecidable | manual | PG | 125 | 1.0323 | -0.17 | 1.4 | |
--.CRE.Z. | 1990-11-24T12:35:33.00 | 10.0 | undecidable | manual | SG | 165 | 0.4995 | -1.18 | 0.1 | |
--.CRE.Z. | 1990-11-24T12:35:25.22 | 10.0 | undecidable | manual | PG | 165 | 0.4995 | -0.74 | 1.1 | |
--.PGD.Z. | 1990-11-24T12:35:24.00 | 10.0 | undecidable | manual | SG | 189 | 0.2331 | 0.17 | 0.9 | |
--.SFI.Z. | 1990-11-24T12:35:23.20 | 10.0 | undecidable | manual | SG | 165 | 0.2109 | 0.34 | 0.8 | |
--.SFI.Z. | 1990-11-24T12:35:20.00 | 10.0 | undecidable | manual | PG | 165 | 0.2109 | 0.58 | 1.5 | |
--.PGD.Z. | 1990-11-24T12:35:20.29 | 10.0 | undecidable | manual | PG | 189 | 0.2331 | 0.31 | 2 |