A magnitude ML 1.8 earthquake occured in region: 4 km W Chiusdino (SI), on
and geographic coordinates (lat, lon) 43.1650, 11.0410 at 7 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 | 4 | 1903 | 1903 |
Montieri | GR | 4 | 1204 | 3107 |
Radicondoli | SI | 11 | 914 | 4021 |
Monticiano | SI | 12 | 1571 | 5592 |
Castelnuovo di Val di Cecina | PI | 12 | 2231 | 7823 |
Monterotondo Marittimo | GR | 15 | 1371 | 9194 |
Massa Marittima | GR | 18 | 8375 | 17569 |
Casole d'Elsa | SI | 20 | 3897 | 21466 |
Roccastrada | GR | 20 | 9199 | 30665 |
Sovicille | SI | 20 | 10116 | 40781 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2023-08-29 23:33:03 |
43.1652 | 11.0408 | 7 | 2023-08-29 23:44:49 |
Sala Sismica INGV-Roma | 120596941 |
Field | Value |
---|---|
Time (UTC) | 2023-08-29 23:33:03 ± 0.08 |
Latitude | 43.1652 ± 0.0045 |
Longitude | 11.0408 ± 0.0074 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120596941 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 586 |
Semi-minor axis of confidence ellipse (meter) | 258 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 294 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 590.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.84716 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 120596941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-29 23:44:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VMGN.HHZ. | 2023-08-29T23:33:21.35 | 3.0 | undecidable | manual | P | 0 | ||||
IV.RINC.EHE. | 2023-08-29T23:33:20.35 | 0.1 | undecidable | manual | P | 29 | 92.0412 | 50 | 0.84 | 70 |
GU.MAIM.HHE. | 2023-08-29T23:33:20.24 | 0.3 | undecidable | manual | P | 332 | 94.0392 | 50 | 0.43 | 61 |
IV.BOSL.HHN. | 2023-08-29T23:33:19.41 | 0.6 | undecidable | manual | P | 17 | 89.0442 | 50 | 0.35 | 41 |
IV.MPPT.EHE. | 2023-08-29T23:33:18.95 | 0.1 | undecidable | manual | P | 3 | 87.9453 | 50 | 0.07 | 88 |
IV.MALA5.EHE. | 2023-08-29T23:33:17.15 | 0.3 | undecidable | manual | S | 116 | 39.5271 | 50 | -0.15 | 71 |
IV.PII.HHZ. | 2023-08-29T23:33:16.59 | 0.1 | undecidable | manual | P | 326 | 74.4699 | 50 | -0.2 | 88 |
TV.SF11.HHZ. | 2023-08-29T23:33:15.27 | 0.3 | undecidable | manual | P | 122 | 61.2942 | 50 | 0.5 | 64 |
IV.CRMI.HNZ. | 2023-08-29T23:33:15.97 | 0.1 | undecidable | manual | P | 356 | 70.0743 | 50 | -0.16 | 90 |
IV.MCIV.CHE. | 2023-08-29T23:33:15.89 | 0.1 | undecidable | manual | P | 130 | 67.0773 | 50 | 0.23 | 89 |
IV.CASP.HHZ. | 2023-08-29T23:33:12.12 | 0.3 | undecidable | manual | P | 199 | 43.9227 | 50 | 0.03 | 72 |
IV.ARCI.HHZ. | 2023-08-29T23:33:12.70 | 1.0 | undecidable | manual | P | -0.58 | 0.38 | |||
IV.RIBO.EHZ. | 2023-08-29T23:33:11.94 | 0.3 | undecidable | manual | S | 179 | 23.9538 | 106 | -0.11 | 74 |
IV.LOCA.HNZ. | 2023-08-29T23:33:11.55 | 0.3 | undecidable | manual | S | 49 | 23.754 | 106 | -0.44 | 69 |
IV.OSSC.HHZ. | 2023-08-29T23:33:11.56 | 0.1 | undecidable | manual | P | 23 | 43.0236 | 50 | -0.4 | 90 |
IV.MALA5.EHE. | 2023-08-29T23:33:11.09 | 0.3 | undecidable | manual | P | 116 | 39.5271 | 50 | -0.32 | 69 |
IV.CSNT.HHZ. | 2023-08-29T23:33:11.05 | 0.1 | undecidable | manual | P | 30 | 39.627 | 50 | -0.39 | 90 |
IV.MALA2.EHE. | 2023-08-29T23:33:11.14 | 0.1 | undecidable | manual | P | 117 | 39.7269 | 50 | -0.3 | 92 |
IV.TRIF.CHZ. | 2023-08-29T23:33:08.00 | 0.3 | undecidable | manual | S | 244 | 12.4764 | 119 | -0.35 | 72 |
IV.RIBO.EHZ. | 2023-08-29T23:33:08.55 | 0.1 | undecidable | manual | P | 179 | 23.9538 | 106 | 0.16 | 97 |
IV.LOCA.HNZ. | 2023-08-29T23:33:08.47 | 0.1 | undecidable | manual | P | 49 | 23.754 | 106 | 0.12 | 98 |
IV.FROS.CHZ. | 2023-08-29T23:33:07.78 | 0.3 | undecidable | manual | S | 62 | 10.5783 | 124 | 0 | 77 |
IV.FROS.CHZ. | 2023-08-29T23:33:06.22 | 0.1 | undecidable | manual | P | 62 | 10.5783 | 124 | 0.3 | 97 |
IV.TRIF.CHZ. | 2023-08-29T23:33:06.38 | 0.1 | undecidable | manual | P | 244 | 12.4764 | 119 | 0.13 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:2.1 | 0.001845 | 0.14 | AML | other | m | 2023-08-29T23:33:07.89 |
IV.FROS.CHN. | ML:1.7 | 0.0007917555000000001 | 0.1536 | AML | other | m | 2023-08-29T23:33:07.99 |
IV.TRIF.CHN. | ML:2.1 | 0.0016366003 | 0.1024 | AML | other | m | 2023-08-29T23:33:08.33 |
IV.TRIF.CHE. | ML:1.9 | 0.0010656817 | 0.2688 | AML | other | m | 2023-08-29T23:33:08.40 |
IV.RIBO.EHE.01 | ML:1.6 | 0.0002345823 | 0.1408 | AML | other | m | 2023-08-29T23:33:12.18 |
IV.RIBO.EHN.01 | ML:1.6 | 0.00026933819999999995 | 0.1408 | AML | other | m | 2023-08-29T23:33:12.19 |