A magnitude ML 0.8 earthquake occured in region: 7 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0710, 10.9970 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 | 7 | 1204 | 1204 |
Massa Marittima | GR | 9 | 8375 | 9579 |
Chiusdino | SI | 12 | 1903 | 11482 |
Monterotondo Marittimo | GR | 14 | 1371 | 12853 |
Roccastrada | GR | 15 | 9199 | 22052 |
Monticiano | SI | 17 | 1571 | 23623 |
Castelnuovo di Val di Cecina | PI | 17 | 2231 | 25854 |
Gavorrano | GR | 18 | 8580 | 34434 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-09-19 03:12:32 |
43.0708 | 10.9967 | 10 | 2021-09-19 03:20:35 |
Sala Sismica INGV-Roma | 95612581 |
Field | Value |
---|---|
Time (UTC) | 2021-09-19 03:12:32 ± 0.25 |
Latitude | 43.0708 ± 0.0117 |
Longitude | 10.9967 ± 0.0209 |
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 | 95612581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1652 |
Semi-minor axis of confidence ellipse (meter) | 1043 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 60 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 123 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29588 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 95612581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-19 03:20:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCRV.HHZ. | 2021-09-19T03:14:29.71 | 3.0 | undecidable | manual | Sg | 14.31 | 0 | |||
IX.PGN3.HHZ.02 | 2021-09-19T03:14:25.86 | 3.0 | undecidable | manual | Sn | -1.95 | 0 | |||
IV.MONC.HHZ. | 2021-09-19T03:13:24.37 | 3.0 | undecidable | manual | Pn | 6.14 | 0 | |||
IV.APEC.HHZ. | 2021-09-19T03:13:08.49 | 3.0 | undecidable | manual | S | -0.11 | 0 | |||
IV.FERS.EHZ. | 2021-09-19T03:13:02.41 | 3.0 | positive | manual | Pn | -0.2 | 0 | |||
IV.CELB.HHZ. | 2021-09-19T03:12:46.65 | 3.0 | positive | manual | P | 0.74 | 0 | |||
IV.CASP.HHZ. | 2021-09-19T03:12:43.30 | 0.3 | undecidable | manual | S | 199 | 32.8449 | 50 | -0.37 | 70 |
IV.CASP.HHZ. | 2021-09-19T03:12:39.35 | 0.6 | undecidable | manual | P | 199 | 32.8449 | 50 | 0.49 | 45 |
IV.RIBO.EHZ.01 | 2021-09-19T03:12:38.14 | 0.3 | undecidable | manual | S | 163 | 14.0748 | 126 | -0.21 | 75 |
IV.RIBO.EHZ.01 | 2021-09-19T03:12:36.07 | 0.1 | negative | manual | P | 163 | 14.0748 | 126 | 0.29 | 98 |
IV.FROS.CHZ. | 2021-09-19T03:12:36.62 | 0.1 | undecidable | manual | P | 40 | 20.0688 | 117 | -0.19 | 99 |
IV.TRIF.CHZ. | 2021-09-19T03:12:36.80 | 0.1 | undecidable | manual | S | 303 | 9.0798 | 139 | -0.25 | 100 |
IV.TRIF.CHZ. | 2021-09-19T03:12:35.38 | 0.1 | undecidable | manual | P | 303 | 9.0798 | 139 | 0.35 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:0.9 | 0.00010600000000000002 | 0.26 | AML | other | m | 2021-09-19T03:12:37.16 |
IV.TRIF.CHN. | ML:0.7 | 0.00007245 | 1.88 | AML | other | m | 2021-09-19T03:12:39.94 |
IV.CASP.HHN. | ML:0.8 | 0.0000256 | 0.28 | AML | other | m | 2021-09-19T03:12:43.84 |
IV.CASP.HHE. | ML:0.7 | 0.0000212 | 1.62 | AML | other | m | 2021-09-19T03:12:43.88 |