A magnitude ML 1.5 earthquake occured in region: 2 km SW Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1370, 11.0780 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 | 5 | 1204 | 3107 |
Monticiano | SI | 8 | 1571 | 4678 |
Radicondoli | SI | 14 | 914 | 5592 |
Roccastrada | GR | 16 | 9199 | 14791 |
Castelnuovo di Val di Cecina | PI | 16 | 2231 | 17022 |
Monterotondo Marittimo | GR | 18 | 1371 | 18393 |
Massa Marittima | GR | 18 | 8375 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.5 | 2012-08-27 20:43:02 |
43.1313 | 11.0637 | 10 | 2014-10-21 12:08:56 |
Sala Sismica INGV-Roma | 2080541 |
Bulletin Rev1000 |
ML 1.5 | 2012-08-27 20:43:02 |
43.1372 | 11.0778 | 9 | 2014-09-19 08:14:18 |
Bollettino Sismico Italiano INGV | 3533021 |
Field | Value |
---|---|
Time (UTC) | 2012-08-27 20:43:02 ± 0.14 |
Latitude | 43.1372 ± 0.0117 |
Longitude | 11.0778 ± 0.0123 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 3533021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1417 |
Semi-minor axis of confidence ellipse (meter) | 677 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 327 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.09263 |
Epicentral distance of station farthest from the epicenter (degree) | 0.74464 |
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 | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 3533021 |
Agency | INGV |
Autore | Manually reviewed by Franco Mele |
Time of creation (UTC) | 2014-09-18 12:46:32 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 2080541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2012-08-27 20:49:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2012-08-27T20:43:27.19 | 0.3 | undecidable | manual | S | 239 | 82.6506 | 50 | 0.1 | 67 |
IV.CELB.HHZ. | 2012-08-27T20:43:17.38 | 0.3 | undecidable | manual | P | 239 | 82.6506 | 50 | 0.83 | 54 |
IV.ARCI.HHZ. | 2012-08-27T20:43:16.65 | 0.3 | undecidable | manual | S | 134 | 45.2214 | 50 | -0.43 | 67 |
IV.CSNT.HHE. | 2012-08-27T20:43:15.41 | 0.6 | undecidable | manual | S | 25 | 41.0256 | 50 | -0.56 | 43 |
IV.CASP.HHZ. | 2012-08-27T20:43:15.86 | 0.1 | undecidable | manual | S | 204 | 42.1245 | 50 | -0.4 | 91 |
IV.ARCI.HHZ. | 2012-08-27T20:43:11.11 | 0.3 | undecidable | manual | P | 134 | 45.2214 | 50 | 0.34 | 68 |
IV.CSNT.HHE. | 2012-08-27T20:43:10.15 | 0.3 | undecidable | manual | P | 25 | 41.0256 | 50 | 0.02 | 74 |
IV.CASP.HHZ. | 2012-08-27T20:43:10.61 | 0.1 | undecidable | manual | P | 204 | 42.1245 | 50 | 0.31 | 92 |
IV.TRIF.HHZ. | 2012-08-27T20:43:07.62 | 0.1 | undecidable | manual | S | 260 | 14.3745 | 123 | -0.48 | 93 |
IV.FROS.HHZ. | 2012-08-27T20:43:06.78 | 0.3 | undecidable | manual | S | 38 | 10.2786 | 132 | -0.17 | 75 |
IV.FROS.HHZ. | 2012-08-27T20:43:05.21 | 0.1 | positive | manual | P | 38 | 10.2786 | 132 | 0.29 | 98 |
IV.TRIF.HHZ. | 2012-08-27T20:43:05.75 | 0.1 | positive | manual | P | 260 | 14.3745 | 123 | 0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.HHE. | ML:1.2 | 0.000232 | 0.24 | AML | other | m | 2012-08-27T20:43:07.01 |
IV.FROS.HHN. | ML:1.1 | 0.00016849999999999998 | 0.52 | AML | other | m | 2012-08-27T20:43:07.26 |
IV.TRIF.HHN. | ML:1.9 | 0.000754 | 0.12 | AML | other | m | 2012-08-27T20:43:07.78 |
IV.TRIF.HHE. | ML:1.6 | 0.00044500000000000003 | 0.1 | AML | other | m | 2012-08-27T20:43:07.79 |