A magnitude ML 0.9 earthquake occured in region: 5 km S Radicondoli (SI), on
and geographic coordinates (lat, lon) 43.2210, 11.0590 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 |
---|---|---|---|---|
Radicondoli | SI | 5 | 914 | 914 |
Chiusdino | SI | 8 | 1903 | 2817 |
Montieri | GR | 11 | 1204 | 4021 |
Castelnuovo di Val di Cecina | PI | 12 | 2231 | 6252 |
Monticiano | SI | 13 | 1571 | 7823 |
Casole d'Elsa | SI | 14 | 3897 | 11720 |
Sovicille | SI | 15 | 10116 | 21836 |
Pomarance | PI | 17 | 5897 | 27733 |
Monterotondo Marittimo | GR | 18 | 1371 | 29104 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-12-31 06:42:48 |
43.2207 | 11.059 | 10 | 2023-12-31 06:48:01 |
Sala Sismica INGV-Roma | 124370771 |
Field | Value |
---|---|
Time (UTC) | 2023-12-31 06:42:48 ± 0.14 |
Latitude | 43.2207 ± 0.0135 |
Longitude | 11.0590 ± 0.0185 |
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 | 124370771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1956 |
Semi-minor axis of confidence ellipse (meter) | 148 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 135 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1960.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 167 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.07195 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45236 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 124370771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-31 06:48:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CASP.HHZ. | 2023-12-31T06:43:04.89 | 0.6 | undecidable | manual | S | 198 | 50.2164 | 50 | -0.08 | 48 |
IV.CSNT.HHZ. | 2023-12-31T06:43:00.18 | 0.6 | undecidable | manual | S | 34 | 33.6441 | 50 | -0.37 | 46 |
IV.CASP.HHZ. | 2023-12-31T06:42:58.16 | 1.0 | undecidable | manual | P | 198 | 50.2164 | 50 | -0.05 | 24 |
IV.LOCA.HNZ. | 2023-12-31T06:42:56.07 | 0.6 | undecidable | manual | S | 60 | 18.9699 | 119 | -0.41 | 47 |
IV.CSNT.HHZ. | 2023-12-31T06:42:55.81 | 0.1 | negative | manual | P | 34 | 33.6441 | 50 | 0.16 | 97 |
IV.TRIF.CHZ. | 2023-12-31T06:42:55.32 | 0.6 | undecidable | manual | S | 227 | 17.2716 | 121 | -0.64 | 44 |
IV.TRIF.CHZ. | 2023-12-31T06:42:53.28 | 0.1 | positive | manual | P | 227 | 17.2716 | 121 | 0.27 | 97 |
IV.FROS.CHZ. | 2023-12-31T06:42:53.35 | 0.6 | undecidable | manual | S | 99 | 7.9809 | 143 | -0.17 | 51 |
IV.LOCA.HNZ. | 2023-12-31T06:42:53.44 | 0.1 | undecidable | manual | P | 60 | 18.9699 | 119 | 0.14 | 100 |
IV.FROS.CHZ. | 2023-12-31T06:42:51.83 | 0.1 | negative | manual | P | 99 | 7.9809 | 143 | 0.24 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHN. | ML:1.0 | 0.0001325 | 0.26 | AML | other | m | 2023-12-31T06:42:53.41 |
IV.FROS.CHE. | ML:0.8 | 0.00009604999999999999 | 0.24 | AML | other | m | 2023-12-31T06:42:53.51 |
IV.TRIF.CHE. | ML:1.0 | 0.00007335 | 1.74 | AML | other | m | 2023-12-31T06:42:56.93 |
IV.TRIF.CHN. | ML:1.0 | 0.0000811 | 1.2 | AML | other | m | 2023-12-31T06:42:56.90 |