A magnitude ML 1.7 earthquake occured in region: 1 km N Radicofani (SI), on
and geographic coordinates (lat, lon) 42.9040, 11.7670 at 20 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 |
---|---|---|---|---|
Radicofani | SI | 1 | 1097 | 1097 |
Abbadia San Salvatore | SI | 8 | 6444 | 7541 |
Piancastagnaio | SI | 9 | 4230 | 11771 |
San Casciano dei Bagni | SI | 10 | 1632 | 13403 |
Cetona | SI | 13 | 2755 | 16158 |
Sarteano | SI | 13 | 4717 | 20875 |
Castell'Azzara | GR | 15 | 1476 | 22351 |
Castiglione d'Orcia | SI | 17 | 2346 | 24697 |
Santa Fiora | GR | 17 | 2622 | 27319 |
Proceno | VT | 17 | 557 | 27876 |
Seggiano | GR | 17 | 961 | 28837 |
Chianciano Terme | SI | 18 | 7105 | 35942 |
Castel del Piano | GR | 19 | 4690 | 40632 |
Arcidosso | GR | 19 | 4285 | 44917 |
Acquapendente | VT | 19 | 5506 | 50423 |
Chiusi | SI | 19 | 8704 | 59127 |
Allerona | TR | 20 | 1794 | 60921 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9
ML 1.7 |
2009-11-25 09:47:32 |
42.904 | 11.767 | 20 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 994439 |
Field | Value |
---|---|
Time (UTC) | 2009-11-25 09:47:32 ± 0.57 |
Latitude | 42.9040 ± 0.0243 |
Longitude | 11.7670 ± 0.0442 |
Depth (km) | 20 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 994439 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 4316 |
Semi-minor axis of confidence ellipse (meter) | 1368 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 306 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 4500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 273 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29138 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 994439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 19:02:47 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 994439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 19:02:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LATE.HHZ. | 2009-11-25T09:47:44.31 | 0.6 | undecidable | manual | Sg | 175 | 32.3454 | 0.25 | 64 | |
IV.MGAB.HHZ. | 2009-11-25T09:47:43.11 | 0.6 | undecidable | manual | Sg | 88 | 28.0497 | 0.089 | 67 | |
IV.SACS.HHZ. | 2009-11-25T09:47:39.56 | 0.6 | undecidable | manual | Sg | 118 | 13.1757 | -0.32 | 66 | |
IV.MGAB.HHZ. | 2009-11-25T09:47:38.42 | 0.3 | undecidable | manual | Pg | 88 | 28.0497 | -0.137 | 100 | |
IV.LATE.HHZ. | 2009-11-25T09:47:38.85 | 0.3 | undecidable | manual | Pg | 175 | 32.3454 | -0.307 | 96 | |
IV.SACS.HHZ. | 2009-11-25T09:47:37.17 | 0.3 | undecidable | manual | Pg | 118 | 13.1757 | 0.427 | 96 | |
IV.FAGN.HHZ. | 2009-11-25T09:47:22.12 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.STR4.BHN. | 2009-11-25T09:47:18.68 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.STR3.BHE. | 2009-11-25T09:47:17.57 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.FAGN.HHZ. | 2009-11-25T09:47:16.50 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.RMP.HHE. | 2009-11-25T09:47:08.32 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |