A magnitude ML 1.4 earthquake occured in region: 5 km NW Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1820, 11.0350 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 |
---|---|---|---|---|
Chiusdino | SI | 5 | 1903 | 1903 |
Montieri | GR | 6 | 1204 | 3107 |
Radicondoli | SI | 9 | 914 | 4021 |
Castelnuovo di Val di Cecina | PI | 11 | 2231 | 6252 |
Monticiano | SI | 13 | 1571 | 7823 |
Monterotondo Marittimo | GR | 15 | 1371 | 9194 |
Casole d'Elsa | SI | 18 | 3897 | 13091 |
Pomarance | PI | 19 | 5897 | 18988 |
Massa Marittima | GR | 19 | 8375 | 27363 |
Sovicille | SI | 19 | 10116 | 37479 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-10-22 22:11:27 |
43.1822 | 11.0348 | 10 | 2021-10-22 22:17:00 |
Sala Sismica INGV-Roma | 96889531 |
Field | Value |
---|---|
Time (UTC) | 2021-10-22 22:11:27 ± 0.12 |
Latitude | 43.1822 ± 0.0081 |
Longitude | 11.0348 ± 0.0123 |
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 | 96889531 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1184 |
Semi-minor axis of confidence ellipse (meter) | 141 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 129 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 68 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.09263 |
Epicentral distance of station farthest from the epicenter (degree) | 0.74374 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 96889531 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-22 22:17:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2021-10-22T22:11:52.75 | 0.3 | undecidable | manual | S | 234 | 82.5507 | 50 | 0.08 | 66 |
IV.CELB.HHZ. | 2021-10-22T22:11:43.20 | 0.3 | undecidable | manual | P | 234 | 82.5507 | 50 | 0.98 | 49 |
IV.CASP.HHZ. | 2021-10-22T22:11:42.15 | 0.6 | undecidable | manual | S | 198 | 45.5211 | 50 | -0.65 | 41 |
IV.OSSC.HHZ. | 2021-10-22T22:11:41.49 | 0.1 | undecidable | manual | S | 24 | 41.5251 | 50 | -0.24 | 92 |
IV.CSNT.HHZ. | 2021-10-22T22:11:40.44 | 0.1 | undecidable | manual | S | 32 | 38.3283 | 50 | -0.43 | 88 |
IV.CRMI.HNE. | 2021-10-22T22:11:40.53 | 0.3 | undecidable | manual | P | 356 | 68.1762 | 50 | 0.52 | 61 |
IV.ARCI.HHZ. | 2021-10-22T22:11:37.79 | 0.3 | negative | manual | P | 136 | 51.2154 | 50 | 0.4 | 65 |
IV.OSSC.HHZ. | 2021-10-22T22:11:36.06 | 0.3 | undecidable | manual | P | 24 | 41.5251 | 50 | 0.16 | 70 |
IV.RIBO.EHZ.01 | 2021-10-22T22:11:36.99 | 0.6 | undecidable | manual | S | 178 | 25.8519 | 50 | -0.56 | 43 |
IV.CASP.HHZ. | 2021-10-22T22:11:36.88 | 0.3 | undecidable | manual | P | 198 | 45.5211 | 50 | 0.36 | 66 |
IV.CSNT.HHZ. | 2021-10-22T22:11:35.63 | 0.6 | undecidable | manual | P | 32 | 38.3283 | 50 | 0.23 | 46 |
IV.MAGO.CHE. | 2021-10-22T22:11:34.25 | 0.1 | undecidable | manual | P | 288 | 32.0457 | 50 | -0.2 | 94 |
IV.RIBO.EHZ.01 | 2021-10-22T22:11:33.45 | 1.0 | undecidable | manual | P | 178 | 25.8519 | 50 | -0.04 | 25 |
IV.TRIF.CHZ. | 2021-10-22T22:11:32.96 | 0.6 | undecidable | manual | S | 235 | 13.0758 | 127 | -0.68 | 42 |
IV.FROS.CHZ. | 2021-10-22T22:11:32.75 | 0.3 | undecidable | manual | S | 73 | 10.2786 | 134 | -0.17 | 74 |
IV.FROS.CHZ. | 2021-10-22T22:11:31.05 | 0.1 | positive | manual | P | 73 | 10.2786 | 134 | 0.23 | 97 |
IV.TRIF.CHZ. | 2021-10-22T22:11:31.18 | 0.1 | negative | manual | P | 235 | 13.0758 | 127 | -0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.6 | 0.000587 | 1.34 | AML | other | m | 2021-10-22T22:11:32.78 |
IV.FROS.CHN. | ML:1.6 | 0.00048650000000000006 | 1.34 | AML | other | m | 2021-10-22T22:11:32.92 |
IV.TRIF.CHN. | ML:1.5 | 0.000303 | 0.56 | AML | other | m | 2021-10-22T22:11:34.50 |
IV.TRIF.CHE. | ML:1.4 | 0.0002805 | 1.38 | AML | other | m | 2021-10-22T22:11:35.72 |
IV.CSNT.HHN. | ML:0.8 | 0.0000246 | 0.86 | AML | other | m | 2021-10-22T22:11:41.79 |
IV.CSNT.HHE. | ML:0.9 | 0.0000305 | 0.96 | AML | other | m | 2021-10-22T22:11:41.14 |
IV.CASP.HHN. | ML:1.4 | 0.00008035 | 0.68 | AML | other | m | 2021-10-22T22:11:42.71 |
IV.CASP.HHE. | ML:1.2 | 0.00004935000000000001 | 0.32 | AML | other | m | 2021-10-22T22:11:42.41 |