A magnitude ML 1.1 earthquake occured in region: 5 km N Montieri (GR), on
and geographic coordinates (lat, lon) 43.1750, 11.0190 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 |
Castelnuovo di Val di Cecina | PI | 10 | 2231 | 5338 |
Radicondoli | SI | 10 | 914 | 6252 |
Monterotondo Marittimo | GR | 14 | 1371 | 7623 |
Monticiano | SI | 14 | 1571 | 9194 |
Massa Marittima | GR | 17 | 8375 | 17569 |
Pomarance | PI | 18 | 5897 | 23466 |
Casole d'Elsa | SI | 19 | 3897 | 27363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-10-02 22:21:55 |
43.1753 | 11.019 | 10 | 2021-10-02 22:29:42 |
Sala Sismica INGV-Roma | 96150701 |
Field | Value |
---|---|
Time (UTC) | 2021-10-02 22:21:55 ± 0.12 |
Latitude | 43.1753 ± 0.0072 |
Longitude | 11.0190 ± 0.0111 |
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 | 96150701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 988 |
Semi-minor axis of confidence ellipse (meter) | 500 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 122 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 990.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.10432 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40020 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 96150701 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-02 22:29:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.OSSC.HHE. | 2021-10-02T22:22:09.41 | 0.1 | undecidable | manual | S | 25 | 42.7239 | 50 | -0.14 | 97 |
IV.CASP.HHE. | 2021-10-02T22:22:09.88 | 0.1 | undecidable | manual | S | 196 | 44.4222 | 50 | -0.12 | 97 |
IV.MAGO.CHE. | 2021-10-02T22:22:05.77 | 0.3 | undecidable | manual | S | 291 | 31.1466 | 50 | -0.67 | 64 |
IV.CASP.HHE. | 2021-10-02T22:22:04.12 | 0.1 | undecidable | manual | P | 196 | 44.4222 | 50 | 0.24 | 94 |
IV.RIBO.EHZ.01 | 2021-10-02T22:22:04.58 | 0.1 | undecidable | manual | S | 175 | 25.2525 | 50 | -0.29 | 97 |
IV.OSSC.HHE. | 2021-10-02T22:22:03.84 | 0.1 | undecidable | manual | P | 25 | 42.7239 | 50 | 0.23 | 95 |
IV.MAGO.CHE. | 2021-10-02T22:22:02.22 | 0.1 | undecidable | manual | P | 291 | 31.1466 | 50 | 0.4 | 94 |
IV.RIBO.EHZ.01 | 2021-10-02T22:22:01.16 | 0.1 | undecidable | manual | P | 175 | 25.2525 | 50 | 0.25 | 98 |
IV.FROS.CHZ. | 2021-10-02T22:22:00.51 | 0.1 | undecidable | manual | S | 71 | 11.7771 | 131 | -0.42 | 96 |
IV.TRIF.CHZ. | 2021-10-02T22:22:00.51 | 0.3 | undecidable | manual | S | 235 | 11.5773 | 132 | -0.38 | 73 |
IV.TRIF.CHZ. | 2021-10-02T22:21:58.97 | 0.1 | positive | manual | P | 235 | 11.5773 | 132 | 0.36 | 98 |
IV.FROS.CHZ. | 2021-10-02T22:21:58.88 | 0.1 | negative | manual | P | 71 | 11.7771 | 131 | 0.25 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:1.2 | 0.000203 | 0.08 | AML | other | m | 2021-10-02T22:22:01.07 |
IV.TRIF.CHE. | ML:1.1 | 0.0001295 | 0.58 | AML | other | m | 2021-10-02T22:22:01.37 |
IV.FROS.CHE. | ML:0.9 | 0.00009745000000000001 | 0.16 | AML | other | m | 2021-10-02T22:22:01.10 |
IV.FROS.CHN. | ML:1.1 | 0.000129 | 1.34 | AML | other | m | 2021-10-02T22:22:01.78 |