A magnitude ML 1.5 earthquake occured in region: 2 km NW Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1680, 11.0690 at 9 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 |
---|---|---|---|---|
Chiusdino | SI | 2 | 1903 | 1903 |
Montieri | GR | 6 | 1204 | 3107 |
Monticiano | SI | 10 | 1571 | 4678 |
Radicondoli | SI | 11 | 914 | 5592 |
Castelnuovo di Val di Cecina | PI | 14 | 2231 | 7823 |
Monterotondo Marittimo | GR | 17 | 1371 | 9194 |
Sovicille | SI | 18 | 10116 | 19310 |
Roccastrada | GR | 19 | 9199 | 28509 |
Casole d'Elsa | SI | 19 | 3897 | 32406 |
Massa Marittima | GR | 20 | 8375 | 40781 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9
ML 1.5 |
2011-08-01 23:16:09 |
43.168 | 11.069 | 9 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1267249 |
Field | Value |
---|---|
Time (UTC) | 2011-08-01 23:16:09 ± 0.12 |
Latitude | 43.1680 ± 0.0081 |
Longitude | 11.0690 ± 0.0123 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1267249 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1186 |
Semi-minor axis of confidence ellipse (meter) | 87 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 314 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1345.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 107 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.55 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.78331 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.4 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1267249 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:00:26 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1267249 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:00:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHE. | 2011-08-01T23:16:36.25 | 0.6 | undecidable | manual | Sg | 55 | 86.9463 | 0.243 | 43 | |
IV.CELB.HHN. | 2011-08-01T23:16:35.28 | 0.6 | undecidable | manual | Sg | 236 | 83.9493 | 0.071 | 45 | |
IV.CRMI.HHN. | 2011-08-01T23:16:31.28 | 0.6 | undecidable | manual | Sg | 353 | 69.4749 | -0.059 | 46 | |
IV.IMOL.EHE. | 2011-08-01T23:16:27.37 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.CELB.HHN. | 2011-08-01T23:16:25.57 | 0.6 | undecidable | manual | Pg | 236 | 83.9493 | 1.057 | 32 | |
IV.CRE.HHE. | 2011-08-01T23:16:25.90 | 0.6 | undecidable | manual | Pg | 55 | 86.9463 | 0.926 | 34 | |
IV.CASP.HHE. | 2011-08-01T23:16:24.20 | 0.1 | undecidable | manual | Sg | 202 | 45.0216 | -0.615 | 84 | |
IV.CSNT.HHZ. | 2011-08-01T23:16:22.34 | 0.1 | undecidable | manual | Sg | 28 | 38.2284 | -0.665 | 83 | |
IV.CRMI.HHN. | 2011-08-01T23:16:22.93 | 0.6 | undecidable | manual | Pg | 353 | 69.4749 | 0.651 | 40 | |
IV.MCIV.HHZ. | 2011-08-01T23:16:21.79 | 0.1 | undecidable | manual | Pg | 131 | 65.49 | 0.115 | 92 | |
IV.ARCI.HHZ. | 2011-08-01T23:16:18.93 | 0.1 | undecidable | manual | Pg | 137 | 48.1185 | -0.06 | 96 | |
IV.CASP.HHE. | 2011-08-01T23:16:18.73 | 0.1 | undecidable | manual | Pg | 202 | 45.0216 | 0.214 | 93 | |
IV.CSNT.HHZ. | 2011-08-01T23:16:17.40 | 0.1 | undecidable | manual | Pg | 28 | 38.2284 | -0.069 | 97 | |
IV.TRIF.HHZ. | 2011-08-01T23:16:15.57 | 0.1 | undecidable | manual | Sg | 246 | 14.7741 | -0.334 | 96 | |
IV.TRIF.HHZ. | 2011-08-01T23:16:13.61 | 0.1 | undecidable | manual | Pg | 246 | 14.7741 | 0.244 | 98 | |
IV.FROS.HHZ. | 2011-08-01T23:16:13.92 | 0.1 | undecidable | manual | Sg | 57 | 8.3805 | -0.266 | 98 | |
IV.FROS.HHZ. | 2011-08-01T23:16:12.56 | 0.1 | undecidable | manual | Pg | 57 | 8.3805 | 0.188 | 100 |