A magnitude ML 1.5 earthquake occured in region: 11 km SW Roccastrada (GR), on
and geographic coordinates (lat, lon) 42.9580, 11.0500 at 4 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 |
---|---|---|---|---|
Roccastrada | GR | 11 | 9199 | 9199 |
Gavorrano | GR | 12 | 8580 | 17779 |
Massa Marittima | GR | 17 | 8375 | 26154 |
Scarlino | GR | 17 | 3847 | 30001 |
Civitella Paganico | GR | 19 | 3154 | 33155 |
Montieri | GR | 20 | 1204 | 34359 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2012-10-07 04:15:52 |
42.9578 | 11.0495 | 4 | 2014-09-19 08:14:18 |
Bollettino Sismico Italiano INGV | 4464721 |
Field | Value |
---|---|
Time (UTC) | 2012-10-07 04:15:52 ± 0.13 |
Latitude | 42.9578 ± 0.0054 |
Longitude | 11.0495 ± 0.0098 |
Depth (km) | 4 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 4464721 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 860 |
Semi-minor axis of confidence ellipse (meter) | 138 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 109 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 860.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.18976 |
Epicentral distance of station farthest from the epicenter (degree) | 0.65021 |
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 | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 4464721 |
Agency | INGV |
Autore | Manually reviewed by Franco Mele |
Time of creation (UTC) | 2014-09-18 12:46:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2012-10-07T04:16:05.93 | 0.1 | undecidable | manual | P | 251 | 72.1722 | 50 | -0.08 | 93 |
IV.FROS.HHZ. | 2012-10-07T04:16:02.47 | 0.3 | undecidable | manual | S | 17 | 29.2485 | 98 | -0.36 | 71 |
IV.CASP.HHZ. | 2012-10-07T04:16:00.73 | 0.3 | undecidable | manual | S | 219 | 23.8539 | 100 | -0.24 | 74 |
IV.TRIF.HHZ. | 2012-10-07T04:15:59.85 | 0.3 | undecidable | manual | S | 326 | 21.0678 | 101 | -0.19 | 75 |
IV.ARCI.HHZ. | 2012-10-07T04:15:59.91 | 0.1 | undecidable | manual | P | 109 | 36.5412 | 96 | -0.04 | 100 |
IV.FROS.HHZ. | 2012-10-07T04:15:58.72 | 0.1 | undecidable | manual | P | 17 | 29.2485 | 98 | 0.22 | 98 |
IV.TRIF.HHZ. | 2012-10-07T04:15:57.23 | 0.1 | undecidable | manual | P | 326 | 21.0678 | 101 | 0.34 | 97 |
IV.CASP.HHZ. | 2012-10-07T04:15:57.58 | 0.1 | undecidable | manual | P | 219 | 23.8539 | 100 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CELB.HHE. | ML:1.7 | 0.00008715 | 0.28 | AML | other | m | 2012-10-07T04:16:40.81 |
IV.CELB.HHN. | ML:1.7 | 0.0000804 | 0.08 | AML | other | m | 2012-10-07T04:16:40.78 |
IV.TRIF.HHE. | ML:1.1 | 0.0001021 | 0.28 | AML | other | m | 2012-10-07T04:16:00.06 |
IV.TRIF.HHN. | ML:1.2 | 0.00013000000000000002 | 0.64 | AML | other | m | 2012-10-07T04:16:00.09 |