A magnitude ML 1.3 earthquake occured in region: 2 km E Piancastagnaio (SI), on
and geographic coordinates (lat, lon) 42.8460, 11.7150 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 |
---|---|---|---|---|
Piancastagnaio | SI | 2 | 4230 | 4230 |
Abbadia San Salvatore | SI | 5 | 6444 | 10674 |
Radicofani | SI | 7 | 1097 | 11771 |
Castell'Azzara | GR | 8 | 1476 | 13247 |
Santa Fiora | GR | 11 | 2622 | 15869 |
San Casciano dei Bagni | SI | 14 | 1632 | 17501 |
Proceno | VT | 14 | 557 | 18058 |
Arcidosso | GR | 15 | 4285 | 22343 |
Castel del Piano | GR | 15 | 4690 | 27033 |
Seggiano | GR | 16 | 961 | 27994 |
Acquapendente | VT | 17 | 5506 | 33500 |
Roccalbegna | GR | 18 | 1044 | 34544 |
Sorano | GR | 18 | 3428 | 37972 |
Onano | VT | 19 | 995 | 38967 |
Semproniano | GR | 19 | 1059 | 40026 |
Castiglione d'Orcia | SI | 19 | 2346 | 42372 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2009-08-04 07:32:44 |
42.846 | 11.715 | 10 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 942089 |
Field | Value |
---|---|
Time (UTC) | 2009-08-04 07:32:44 ± 0.22 |
Latitude | 42.8460 ± 0.0162 |
Longitude | 11.7150 ± 0.0123 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 942089 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1842 |
Semi-minor axis of confidence ellipse (meter) | 1000 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 8 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2059.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 177 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.51 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24102 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 942089 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 17:57:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LATE.HHZ. | 2009-08-04T07:32:53.86 | 0.3 | undecidable | manual | Sg | 164 | 26.751 | -0.279 | 72 | |
IV.ARCI.HHZ. | 2009-08-04T07:32:51.37 | 0.6 | undecidable | manual | Sg | 272 | 19.4694 | -0.523 | 46 | |
IV.LATE.HHZ. | 2009-08-04T07:32:50.33 | 0.1 | undecidable | manual | Pg | 164 | 26.751 | 0.35 | 94 | |
IV.SACS.HHE. | 2009-08-04T07:32:50.32 | 0.6 | undecidable | manual | Sg | 89 | 15.873 | -0.487 | 47 | |
IV.ARCI.HHZ. | 2009-08-04T07:32:48.87 | 0.1 | undecidable | manual | Pg | 272 | 19.4694 | 0.185 | 99 | |
IV.SACS.HHE. | 2009-08-04T07:32:48.21 | 0.1 | undecidable | manual | Pg | 89 | 15.873 | 0.154 | 100 | |
IV.SAMA.HHE. | 2009-08-04T07:32:42.00 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |