A magnitude ML 1.3 earthquake occured in region: 5 km N Montieri (GR), on
and geographic coordinates (lat, lon) 43.1760, 11.0280 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 |
---|---|---|---|---|
Montieri | GR | 5 | 1204 | 1204 |
Chiusdino | SI | 6 | 1903 | 3107 |
Radicondoli | SI | 10 | 914 | 4021 |
Castelnuovo di Val di Cecina | PI | 10 | 2231 | 6252 |
Monticiano | SI | 13 | 1571 | 7823 |
Monterotondo Marittimo | GR | 14 | 1371 | 9194 |
Massa Marittima | GR | 18 | 8375 | 17569 |
Casole d'Elsa | SI | 18 | 3897 | 21466 |
Pomarance | PI | 19 | 5897 | 27363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-02-12 06:48:03 |
43.1762 | 11.0278 | 10 | 2023-02-12 06:54:01 |
Sala Sismica INGV-Roma | 114371031 |
Field | Value |
---|---|
Time (UTC) | 2023-02-12 06:48:03 ± 0.13 |
Latitude | 43.1762 ± 0.0135 |
Longitude | 11.0278 ± 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 | 114371031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1989 |
Semi-minor axis of confidence ellipse (meter) | 346 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 136 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1990.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 157 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.09982 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40290 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 114371031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-12 06:54:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CASP.HHZ. | 2023-02-12T06:48:17.89 | 0.6 | undecidable | manual | S | 197 | 44.7219 | 50 | -0.22 | 47 |
IV.CSNT.HHZ. | 2023-02-12T06:48:16.28 | 0.6 | undecidable | manual | S | 33 | 39.1275 | 50 | -0.34 | 46 |
IV.CASP.HHZ. | 2023-02-12T06:48:12.40 | 1.0 | undecidable | manual | P | 197 | 44.7219 | 50 | 0.47 | 22 |
IV.CSNT.HHZ. | 2023-02-12T06:48:11.20 | 0.1 | undecidable | manual | P | 33 | 39.1275 | 50 | 0.13 | 96 |
IV.FROS.CHZ. | 2023-02-12T06:48:08.38 | 0.6 | undecidable | manual | S | 70 | 11.0778 | 132 | -0.31 | 49 |
IV.TRIF.CHZ. | 2023-02-12T06:48:08.58 | 0.6 | undecidable | manual | S | 236 | 12.1767 | 130 | -0.41 | 48 |
IV.FROS.CHZ. | 2023-02-12T06:48:06.68 | 0.1 | negative | manual | P | 70 | 11.0778 | 132 | 0.19 | 100 |
IV.TRIF.CHZ. | 2023-02-12T06:48:06.86 | 0.1 | undecidable | manual | P | 236 | 12.1767 | 130 | 0.19 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FROS.CHE. | ML:0.9 | 0.00009709999999999999 | 0.64 | AML | other | m | 2023-02-12T06:48:08.41 |
IV.FROS.CHN. | ML:1.1 | 0.00014950000000000003 | 0.16 | AML | other | m | 2023-02-12T06:48:08.58 |
IV.TRIF.CHE. | ML:1.5 | 0.0003355 | 0.08 | AML | other | m | 2023-02-12T06:48:08.91 |
IV.TRIF.CHN. | ML:1.5 | 0.0003745 | 0.14 | AML | other | m | 2023-02-12T06:48:09.03 |