A magnitude ML 1.4 earthquake occured in region: 2 km SW Casole d'Elsa (SI), on
and geographic coordinates (lat, lon) 43.3310, 11.0310 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 |
---|---|---|---|---|
Casole d'Elsa | SI | 2 | 3897 | 3897 |
Radicondoli | SI | 8 | 914 | 4811 |
Colle di Val d'Elsa | SI | 12 | 21620 | 26431 |
Pomarance | PI | 13 | 5897 | 32328 |
San Gimignano | SI | 15 | 7820 | 40148 |
Volterra | PI | 16 | 10519 | 50667 |
Monteriggioni | SI | 17 | 9810 | 60477 |
Castelnuovo di Val di Cecina | PI | 17 | 2231 | 62708 |
Sovicille | SI | 17 | 10116 | 72824 |
Poggibonsi | SI | 18 | 29196 | 102020 |
Chiusdino | SI | 20 | 1903 | 103923 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-12-25 04:30:18 |
43.3307 | 11.0308 | 11 | 2021-12-25 05:18:27 |
Sala Sismica INGV-Roma | 98941281 |
Field | Value |
---|---|
Time (UTC) | 2021-12-25 04:30:18 ± 0.18 |
Latitude | 43.3307 ± 0.0063 |
Longitude | 11.0308 ± 0.0111 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 98941281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 914 |
Semi-minor axis of confidence ellipse (meter) | 550 |
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) | 910.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 90 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 18 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.61424 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 98941281 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-25 05:18:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCRV.HHZ. | 2021-12-25T04:31:24.63 | 3.0 | undecidable | manual | Pn | 3.55 | 0 | |||
IV.GAVE.EHZ. | 2021-12-25T04:31:07.73 | 3.0 | undecidable | manual | S | -1.91 | 0 | |||
IV.VIVA.HHZ. | 2021-12-25T04:30:54.91 | 3.0 | positive | manual | Pg | 0.82 | 0 | |||
IV.CSP1.EHZ. | 2021-12-25T04:30:48.07 | 3.0 | undecidable | manual | Pg | -0.18 | 0 | |||
IV.SNTG.HHZ. | 2021-12-25T04:30:44.70 | 3.0 | undecidable | manual | Pg | -0.63 | 0 | |||
IV.RUFI.EHZ. | 2021-12-25T04:30:39.38 | 0.1 | undecidable | manual | S | 34 | 68.1762 | 50 | 0.3 | 87 |
IV.PII.HHZ. | 2021-12-25T04:30:34.62 | 1.0 | undecidable | manual | S | 317 | 59.496 | 50 | -2.15 | 8 |
IV.CRMI.HHZ. | 2021-12-25T04:30:34.89 | 0.3 | undecidable | manual | S | 355 | 51.7038 | 50 | 0.19 | 69 |
IV.SACS.HHZ. | 2021-12-25T04:30:33.77 | 3.0 | undecidable | manual | Pg | -2.3 | 0 | |||
IV.RIBO.EHZ.01 | 2021-12-25T04:30:32.60 | 0.3 | undecidable | manual | S | 178 | 42.3243 | 50 | 0.41 | 67 |
IV.CAFI.HHZ. | 2021-12-25T04:30:30.48 | 3.0 | undecidable | manual | P | -3.26 | 0 | |||
IV.RUFI.EHZ. | 2021-12-25T04:30:30.82 | 0.1 | undecidable | manual | P | 34 | 68.1762 | 50 | 0.52 | 83 |
IV.MAGO.CHZ. | 2021-12-25T04:30:28.74 | 0.1 | undecidable | manual | S | 258 | 30.747 | 50 | -0.36 | 92 |
IV.OSSC.HHZ. | 2021-12-25T04:30:28.06 | 0.1 | undecidable | manual | S | 39 | 27.5502 | 50 | -0.17 | 97 |
IV.CRMI.HHZ. | 2021-12-25T04:30:28.11 | 0.1 | undecidable | manual | P | 355 | 51.7038 | 50 | 0.34 | 89 |
IV.TRIF.CHZ. | 2021-12-25T04:30:27.89 | 0.3 | undecidable | manual | S | 203 | 26.0517 | 50 | 0.04 | 75 |
IV.CSNT.HHZ. | 2021-12-25T04:30:27.26 | 0.1 | undecidable | manual | S | 53 | 26.1516 | 50 | -0.62 | 86 |
IV.PII.HHZ. | 2021-12-25T04:30:27.76 | 1.0 | undecidable | manual | P | 317 | 59.496 | 50 | -1.2 | 16 |
IV.RIBO.EHZ.01 | 2021-12-25T04:30:26.07 | 0.3 | undecidable | manual | P | 178 | 42.3243 | 50 | -0.25 | 69 |
IV.OSSC.HHZ. | 2021-12-25T04:30:24.01 | 0.1 | undecidable | manual | P | 39 | 27.5502 | 50 | -0.03 | 100 |
IV.FROS.CHZ. | 2021-12-25T04:30:24.85 | 0.1 | undecidable | manual | S | 143 | 16.7721 | 122 | -0.33 | 95 |
IV.TRIF.CHZ. | 2021-12-25T04:30:24.03 | 0.3 | undecidable | manual | P | 203 | 26.0517 | 50 | 0.21 | 72 |
IV.MAGO.CHZ. | 2021-12-25T04:30:24.66 | 0.1 | undecidable | manual | P | 258 | 30.747 | 50 | 0.12 | 97 |
IV.CSNT.HHZ. | 2021-12-25T04:30:23.81 | 0.1 | undecidable | manual | P | 53 | 26.1516 | 50 | -0.02 | 100 |
IV.FROS.CHZ. | 2021-12-25T04:30:22.50 | 0.1 | negative | manual | P | 143 | 16.7721 | 122 | 0.22 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:1.3 | 0.00016648679999999998 | 0.192 | AML | other | m | 2021-12-25T04:30:25.02 |
IV.FROS.CHN. | ML:1.6 | 0.0003585507 | 0.1856 | AML | other | m | 2021-12-25T04:30:25.02 |
IV.CSNT.HHE. | ML:1.2 | 0.00008079637 | 0.0768 | AML | other | m | 2021-12-25T04:30:27.64 |
IV.CSNT.HHN. | ML:1.2 | 0.00008738515999999999 | 0.3616 | AML | other | m | 2021-12-25T04:30:27.97 |
IV.OSSC.HHE. | ML:1.4 | 0.00014994874 | 0.2208 | AML | other | m | 2021-12-25T04:30:28.22 |
IV.TRIF.CHE. | ML:1.5 | 0.0001943723 | 0.1664 | AML | other | m | 2021-12-25T04:30:28.29 |
IV.OSSC.HHN. | ML:1.5 | 0.0001745662 | 0.4384 | AML | other | m | 2021-12-25T04:30:28.22 |
IV.TRIF.CHN. | ML:1.6 | 0.0002253532 | 0.0736 | AML | other | m | 2021-12-25T04:30:28.42 |
IV.PII.HHE. | ML:1.3 | 0.00004535069999999999 | 0.7776 | AML | other | m | 2021-12-25T04:30:34.95 |
IV.PII.HHN. | ML:1.5 | 0.00006081901 | 0.9216 | AML | other | m | 2021-12-25T04:30:34.81 |
IV.CRMI.HHE. | ML:1.0 | 0.000026078789999999998 | 0.9408 | AML | other | m | 2021-12-25T04:30:35.84 |
IV.CRMI.HHN. | ML:1.2 | 0.000033724062 | 0.32 | AML | other | m | 2021-12-25T04:30:35.68 |