A magnitude Md 2.3 earthquake occured in region: 7 km W Pratovecchio Stia (AR), on
and geographic coordinates (lat, lon) 43.8160, 11.6490 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 |
---|---|---|---|---|
Pratovecchio Stia | AR | 7 | 5845 | 5845 |
Londa | FI | 8 | 1840 | 7685 |
Montemignaio | AR | 9 | 566 | 8251 |
Castel San Niccolò | AR | 9 | 2707 | 10958 |
Pelago | FI | 12 | 7660 | 18618 |
San Godenzo | FI | 13 | 1167 | 19785 |
Rufina | FI | 13 | 7346 | 27131 |
Dicomano | FI | 13 | 5515 | 32646 |
Poppi | AR | 14 | 6160 | 38806 |
Ortignano Raggiolo | AR | 17 | 878 | 39684 |
Reggello | FI | 17 | 16290 | 55974 |
Pontassieve | FI | 17 | 20603 | 76577 |
Rignano sull'Arno | FI | 19 | 8651 | 85228 |
Bibbiena | AR | 19 | 12241 | 97469 |
Vicchio | FI | 20 | 8044 | 105513 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1985-12-11 02:00:25 |
43.816 | 11.649 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 17849 |
Field | Value |
---|---|
Time (UTC) | 1985-12-11 02:00:25 ± 0.386 |
Latitude | 43.8160 ± 0.0583 |
Longitude | 11.6490 ± 0.0386 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 17849 |
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) | 7190.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 179 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00251 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00882 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 17849 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:20:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.BD1.Z. | 1985-12-11T02:00:52.00 | 10.0 | undecidable | manual | SG | 288 | 0.7881 | -0.85 | 0.3 | |
--.ARV.Z. | 1985-12-11T02:00:45.00 | 10.0 | undecidable | manual | PG | 107 | 0.9768 | 0.2 | 1.5 | |
--.PS9.Z. | 1985-12-11T02:00:43.00 | 10.0 | undecidable | manual | PG | 263 | 0.8103 | 1.37 | 0.4 | |
--.BD1.Z. | 1985-12-11T02:00:41.50 | 10.0 | undecidable | manual | PG | 288 | 0.7881 | 0.26 | 1.6 | |
--.CRE.Z. | 1985-12-11T02:00:37.00 | 10.0 | undecidable | manual | SG | 131 | 0.2886 | 0.3 | 0.7 | |
--.FIR.Z. | 1985-12-11T02:00:31.00 | 10.0 | undecidable | manual | PG | 261 | 0.2775 | -0.81 | 0.9 | |
--.CRE.Z. | 1985-12-11T02:00:31.50 | 10.0 | undecidable | manual | PG | 131 | 0.2886 | -0.42 | 1.6 |