A magnitude ML 1.4 earthquake occured in region: 6 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0800, 11.0060 at 10 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Montieri | GR | 6 | 1204 | 1204 |
Massa Marittima | GR | 10 | 8375 | 9579 |
Chiusdino | SI | 11 | 1903 | 11482 |
Monterotondo Marittimo | GR | 14 | 1371 | 12853 |
Roccastrada | GR | 15 | 9199 | 22052 |
Monticiano | SI | 16 | 1571 | 23623 |
Castelnuovo di Val di Cecina | PI | 16 | 2231 | 25854 |
Gavorrano | GR | 19 | 8580 | 34434 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-09-27 14:57:26 |
43.0798 | 11.0063 | 10 | 2021-09-27 15:02:34 |
Sala Sismica INGV-Roma | 95949951 |
Field | Value |
---|---|
Time (UTC) | 2021-09-27 14:57:26 ± 0.11 |
Latitude | 43.0798 ± 0.0063 |
Longitude | 11.0063 ± 0.0111 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95949951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 877 |
Semi-minor axis of confidence ellipse (meter) | 650 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 69 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 880.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.08364 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41189 |
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 | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 95949951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-27 15:02:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MAGO.CHZ. | 2021-09-27T14:57:38.56 | 0.6 | undecidable | manual | S | 307 | 35.4423 | 50 | -0.52 | 43 |
IV.CASP.HHZ. | 2021-09-27T14:57:38.21 | 0.6 | undecidable | manual | S | 200 | 34.0437 | 50 | -0.5 | 44 |
IV.ARCI.HNZ. | 2021-09-27T14:57:35.79 | 0.1 | undecidable | manual | P | 123 | 45.7209 | 50 | 0.25 | 91 |
IV.MAGO.CHZ. | 2021-09-27T14:57:34.09 | 0.1 | undecidable | manual | P | 307 | 35.4423 | 50 | 0.14 | 95 |
IV.CASP.HHZ. | 2021-09-27T14:57:33.89 | 0.1 | undecidable | manual | P | 200 | 34.0437 | 50 | 0.15 | 95 |
IV.FROS.CHZ. | 2021-09-27T14:57:33.89 | 0.6 | undecidable | manual | S | 40 | 18.87 | 118 | -0.46 | 46 |
IV.RIBO.EHZ.01 | 2021-09-27T14:57:32.68 | 0.6 | undecidable | manual | S | 167 | 14.874 | 124 | -0.49 | 46 |
IV.FROS.CHZ. | 2021-09-27T14:57:31.24 | 0.1 | positive | manual | P | 40 | 18.87 | 118 | 0.02 | 100 |
IV.TRIF.CHZ. | 2021-09-27T14:57:31.53 | 0.6 | undecidable | manual | S | 295 | 9.2796 | 137 | -0.15 | 49 |
IV.TRIF.CHZ. | 2021-09-27T14:57:30.03 | 0.1 | undecidable | manual | P | 295 | 9.2796 | 137 | 0.35 | 95 |
IV.RIBO.EHZ.01 | 2021-09-27T14:57:30.65 | 0.1 | positive | manual | P | 167 | 14.874 | 124 | 0.11 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.3 | 0.000248 | 0.34 | AML | other | m | 2021-09-27T14:57:31.88 |
IV.TRIF.CHN. | ML:1.2 | 0.0002035 | 0.1 | AML | other | m | 2021-09-27T14:57:32.48 |
IV.FROS.CHN. | ML:1.7 | 0.000372 | 1.6 | AML | other | m | 2021-09-27T14:57:34.96 |
IV.FROS.CHE. | ML:1.5 | 0.0002505 | 0.68 | AML | other | m | 2021-09-27T14:57:34.97 |
IV.CASP.HHE. | ML:1.2 | 0.00007175000000000001 | 0.26 | AML | other | m | 2021-09-27T14:57:38.33 |
IV.CASP.HHN. | ML:1.2 | 0.00006419999999999999 | 0.26 | AML | other | m | 2021-09-27T14:57:38.28 |
IV.RIBO.EHE.01 | ML:1.4 | 0.00024698165 | 0.2048 | AML | other | m | 2021-09-27T14:57:32.97 |