A magnitude Md 2.3 earthquake occured in region: 3 km W Marradi (FI), on
and geographic coordinates (lat, lon) 44.0740, 11.5760 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 |
---|---|---|---|---|
Marradi | FI | 3 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 5 | 1154 | 4293 |
Tredozio | FC | 14 | 1212 | 5505 |
Firenzuola | FI | 16 | 4726 | 10231 |
Castel del Rio | BO | 17 | 1246 | 11477 |
San Godenzo | FI | 17 | 1167 | 12644 |
Casola Valsenio | RA | 17 | 2617 | 15261 |
Portico e San Benedetto | FC | 17 | 756 | 16017 |
Vicchio | FI | 18 | 8044 | 24061 |
Premilcuore | FC | 19 | 799 | 24860 |
Modigliana | FC | 20 | 4560 | 29420 |
Borgo San Lorenzo | FI | 20 | 18211 | 47631 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1996-01-14 08:50:48 |
44.074 | 11.576 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 240239 |
Field | Value |
---|---|
Time (UTC) | 1996-01-14 08:50:48 ± 0.235 |
Latitude | 44.0740 ± 0.0126 |
Longitude | 11.5760 ± 0.0130 |
Depth (km) | 10 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 240239 |
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) | 1743.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 185 |
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) | 0.00089 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00469 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 240239 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:47:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1996-01-14T08:51:07.40 | 10.0 | undecidable | manual | SG | 149 | 0.5217 | -0.67 | 0 | |
--.CRE.Z. | 1996-01-14T08:51:00.00 | 10.0 | undecidable | manual | PG | 149 | 0.5217 | 0.26 | 0.6 | |
--.SFI.Z. | 1996-01-14T08:50:58.23 | 10.0 | undecidable | manual | SG | 131 | 0.2553 | -0.83 | 0 | |
--.PGD.Z. | 1996-01-14T08:50:57.94 | 10.0 | undecidable | manual | SG | 152 | 0.2109 | -0.03 | 0.5 | |
--.SFI.Z. | 1996-01-14T08:50:54.55 | 10.0 | undecidable | manual | PG | 131 | 0.2553 | -0.2 | 1.1 | |
--.PGD.Z. | 1996-01-14T08:50:54.89 | 10.0 | undecidable | manual | PG | 152 | 0.2109 | 0.77 | 0.1 | |
--.LMD.N. | 1996-01-14T08:50:54.14 | 10.0 | undecidable | manual | SG | 88 | 0.0999 | -0.08 | 0.5 | |
--.VMG.Z. | 1996-01-14T08:50:54.41 | 10.0 | undecidable | manual | SG | 191 | 0.111 | -0.07 | 0.8 | |
--.VMG.Z. | 1996-01-14T08:50:52.19 | 10.0 | positive | manual | PG | 191 | 0.111 | 0.08 | 2.5 | |
--.SEI.Z. | 1996-01-14T08:50:52.70 | 10.0 | positive | manual | PG | 263 | 0.1554 | -0.19 | 2.2 | |
--.LMD.Z. | 1996-01-14T08:50:51.99 | 10.0 | positive | manual | PG | 88 | 0.0999 | 0.04 | 2.6 |