A magnitude ML 1.2 earthquake occured in region: 6 km N Montieri (GR), on
and geographic coordinates (lat, lon) 43.1840, 11.0000 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 |
---|---|---|---|---|
Montieri | GR | 6 | 1204 | 1204 |
Chiusdino | SI | 8 | 1903 | 3107 |
Castelnuovo di Val di Cecina | PI | 8 | 2231 | 5338 |
Radicondoli | SI | 9 | 914 | 6252 |
Monterotondo Marittimo | GR | 12 | 1371 | 7623 |
Monticiano | SI | 15 | 1571 | 9194 |
Pomarance | PI | 17 | 5897 | 15091 |
Massa Marittima | GR | 17 | 8375 | 23466 |
Casole d'Elsa | SI | 18 | 3897 | 27363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-12-04 20:13:17 |
43.1838 | 11.0002 | 9 | 2023-12-04 21:07:15 |
Sala Sismica INGV-Roma | 123815631 |
Field | Value |
---|---|
Time (UTC) | 2023-12-04 20:13:17 ± 0.11 |
Latitude | 43.1838 ± 0.0072 |
Longitude | 11.0002 ± 0.0123 |
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 | 123815631 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1144 |
Semi-minor axis of confidence ellipse (meter) | 276 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 127 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1140.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 133 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
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) | 0.09893 |
Epicentral distance of station farthest from the epicenter (degree) | 0.61154 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 123815631 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-04 21:07:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CASP.HHZ. | 2023-12-04T20:13:31.69 | 0.3 | undecidable | manual | S | 194 | 44.9217 | 50 | -0.43 | 66 |
IV.OSSC.HHZ. | 2023-12-04T20:13:31.16 | 0.6 | undecidable | manual | S | 28 | 42.5241 | 50 | -0.32 | 45 |
IV.CSNT.HHE. | 2023-12-04T20:13:30.19 | 0.6 | undecidable | manual | S | 36 | 39.7269 | 50 | -0.52 | 43 |
IV.CRMI.HHN. | 2023-12-04T20:13:29.73 | 0.1 | undecidable | manual | P | 359 | 67.8765 | 50 | 0.38 | 85 |
IV.LOCA.HNZ. | 2023-12-04T20:13:26.10 | 0.3 | undecidable | manual | S | 57 | 25.1526 | 110 | -0.4 | 69 |
IV.CASP.HHZ. | 2023-12-04T20:13:26.41 | 0.3 | undecidable | manual | P | 194 | 44.9217 | 50 | 0.59 | 63 |
IV.RIBO.EHZ.01 | 2023-12-04T20:13:26.84 | 0.6 | undecidable | manual | S | 172 | 26.3514 | 109 | -0.04 | 49 |
IV.OSSC.HHZ. | 2023-12-04T20:13:25.38 | 0.1 | undecidable | manual | P | 28 | 42.5241 | 50 | -0.07 | 95 |
IV.CSNT.HHE. | 2023-12-04T20:13:25.16 | 0.3 | undecidable | manual | P | 36 | 39.7269 | 50 | 0.15 | 71 |
IV.RIBO.EHZ.01 | 2023-12-04T20:13:22.94 | 0.1 | undecidable | manual | P | 172 | 26.3514 | 109 | 0.14 | 97 |
IV.FROS.CHZ. | 2023-12-04T20:13:22.74 | 0.3 | undecidable | manual | S | 77 | 12.9759 | 125 | 0.03 | 76 |
IV.LOCA.HNZ. | 2023-12-04T20:13:22.75 | 0.3 | undecidable | manual | P | 57 | 25.1526 | 110 | 0.17 | 72 |
IV.TRIF.CHZ. | 2023-12-04T20:13:21.66 | 0.3 | undecidable | manual | S | 226 | 10.9779 | 130 | -0.52 | 68 |
IV.TRIF.CHZ. | 2023-12-04T20:13:20.18 | 0.1 | positive | manual | P | 226 | 10.9779 | 130 | 0.1 | 100 |
IV.FROS.CHZ. | 2023-12-04T20:13:20.63 | 0.1 | undecidable | manual | P | 77 | 12.9759 | 125 | 0.24 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.3 | 0.0002525 | 0.1 | AML | other | m | 2023-12-04T20:13:21.97 |
IV.TRIF.CHE. | ML:1.1 | 0.00016671615000000002 | 0.7296 | AML | other | m | 2023-12-04T20:13:21.67 |
IV.FROS.CHE. | ML:1.3 | 0.00023300000000000003 | 1.34 | AML | other | m | 2023-12-04T20:13:23.75 |
IV.FROS.CHN. | ML:1.6 | 0.0003995 | 1.12 | AML | other | m | 2023-12-04T20:13:23.03 |
IV.RIBO.EHE.01 | ML:1.2 | 0.0000905938 | 2.1248 | AML | other | m | 2023-12-04T20:13:27.67 |
IV.RIBO.EHN.01 | ML:1.2 | 0.00008246195000000001 | 0.1408 | AML | other | m | 2023-12-04T20:13:26.92 |
IV.CASP.HHE. | ML:1.1 | 0.00003364324 | 0.6912 | AML | other | m | 2023-12-04T20:13:31.91 |
IV.CASP.HHN. | ML:1.2 | 0.000043168735 | 0.5888 | AML | other | m | 2023-12-04T20:13:32.06 |