A magnitude ML 1.8 earthquake occured in region: 5 km NW Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1870, 11.0500 at 9 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 | 7 | 1204 | 3107 |
Radicondoli | SI | 8 | 914 | 4021 |
Monticiano | SI | 12 | 1571 | 5592 |
Castelnuovo di Val di Cecina | PI | 12 | 2231 | 7823 |
Monterotondo Marittimo | GR | 16 | 1371 | 9194 |
Casole d'Elsa | SI | 17 | 3897 | 13091 |
Sovicille | SI | 18 | 10116 | 23207 |
Pomarance | PI | 19 | 5897 | 29104 |
Massa Marittima | GR | 20 | 8375 | 37479 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2023-10-09 10:17:37 |
43.1867 | 11.0505 | 9 | 2023-10-09 10:27:32 |
Sala Sismica INGV-Roma | 121927611 |
Field | Value |
---|---|
Time (UTC) | 2023-10-09 10:17:37 ± 0.18 |
Latitude | 43.1867 ± 0.0117 |
Longitude | 11.0505 ± 0.0160 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121927611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1666 |
Semi-minor axis of confidence ellipse (meter) | 482 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 319 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1670.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 176 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 10 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41818 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.9 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 121927611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-09 10:27:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCRV.HHZ. | 2023-10-09T10:19:29.98 | 3.0 | undecidable | manual | Sg | 4.8 | 0 | |||
IV.CASP.HNN. | 2023-10-09T10:17:52.92 | 0.3 | undecidable | manual | S | 199 | 46.4202 | 50 | -0.43 | 65 |
IV.LMD.HHZ. | 2023-10-09T10:17:48.49 | 3.0 | undecidable | manual | P | -0.15 | 0 | |||
IV.RIBO.EHZ.01 | 2023-10-09T10:17:47.37 | 0.6 | undecidable | manual | S | 181 | 26.3514 | 108 | -0.2 | 47 |
IV.CASP.HNN. | 2023-10-09T10:17:47.19 | 0.3 | undecidable | manual | P | 199 | 46.4202 | 50 | 0.35 | 67 |
IV.LOCA.HNZ. | 2023-10-09T10:17:45.77 | 0.6 | undecidable | manual | S | 52 | 21.6672 | 112 | -0.26 | 47 |
IV.RIBO.EHZ.01 | 2023-10-09T10:17:44.30 | 0.6 | undecidable | manual | P | 181 | 26.3514 | 108 | 0.8 | 40 |
IV.TRIF.CHZ. | 2023-10-09T10:17:43.42 | 0.6 | undecidable | manual | S | 236 | 14.3745 | 121 | -0.34 | 47 |
IV.FROS.CHZ. | 2023-10-09T10:17:42.06 | 0.6 | undecidable | manual | S | 73 | 8.88 | 134 | -0.18 | 49 |
IV.LOCA.HNZ. | 2023-10-09T10:17:42.63 | 0.1 | undecidable | manual | P | 52 | 21.6672 | 112 | 0.01 | 99 |
IV.TRIF.CHZ. | 2023-10-09T10:17:41.40 | 0.1 | undecidable | manual | P | 236 | 14.3745 | 121 | 0.09 | 99 |
IV.FROS.CHZ. | 2023-10-09T10:17:40.52 | 0.1 | undecidable | manual | P | 73 | 8.88 | 134 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHN. | ML:1.2 | 0.000164405785 | 0.1088 | AML | other | m | 2023-10-09T10:17:42.35 |
IV.TRIF.CHE. | ML:1.4 | 0.0002568703 | 0.2304 | AML | other | m | 2023-10-09T10:17:43.90 |
IV.FROS.CHE. | ML:1.0 | 0.000119112525 | 0.3392 | AML | other | m | 2023-10-09T10:17:44.42 |
IV.TRIF.CHN. | ML:1.2 | 0.00015907805 | 0.1472 | AML | other | m | 2023-10-09T10:17:44.56 |
IV.RIBO.EHE.01 | ML:0.0 | 0.00003494919 | 0.1408 | AML | other | m | 2023-10-09T10:17:48.49 |
IV.RIBO.EHN.01 | ML:0.0 | 0.000042695725 | 0.16 | AML | other | m | 2023-10-09T10:17:47.56 |