A magnitude ML 1.4 earthquake occured in region: 6 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0740, 11.0140 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 | 11 | 8375 | 9579 |
Chiusdino | SI | 11 | 1903 | 11482 |
Roccastrada | GR | 14 | 9199 | 20681 |
Monterotondo Marittimo | GR | 15 | 1371 | 22052 |
Monticiano | SI | 15 | 1571 | 23623 |
Castelnuovo di Val di Cecina | PI | 17 | 2231 | 25854 |
Gavorrano | GR | 19 | 8580 | 34434 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-09-29 22:03:44 |
43.0735 | 11.0142 | 10 | 2021-09-29 22:10:07 |
Sala Sismica INGV-Roma | 96045011 |
Field | Value |
---|---|
Time (UTC) | 2021-09-29 22:03:44 ± 0.12 |
Latitude | 43.0735 ± 0.0072 |
Longitude | 11.0142 ± 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 | 96045011 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 892 |
Semi-minor axis of confidence ellipse (meter) | 693 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 308 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 890.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 83 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.09083 |
Epicentral distance of station farthest from the epicenter (degree) | 0.67269 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 96045011 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-29 22:10:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELB.HHZ. | 2021-09-29T22:04:07.05 | 0.6 | undecidable | manual | S | 241 | 74.6697 | 50 | 0.27 | 43 |
IV.OSSC.HHZ. | 2021-09-29T22:04:00.87 | 0.6 | undecidable | manual | S | 20 | 53.3022 | 50 | -0.21 | 46 |
IV.ARCI.HHZ. | 2021-09-29T22:03:58.01 | 0.6 | undecidable | manual | S | 123 | 44.8218 | 50 | -0.79 | 39 |
IV.CELB.HHZ. | 2021-09-29T22:03:56.48 | 0.1 | undecidable | manual | P | 241 | 74.6697 | 50 | -0.74 | 75 |
IV.CASP.HHZ. | 2021-09-29T22:03:55.48 | 0.6 | undecidable | manual | S | 201 | 33.6441 | 50 | -0.34 | 46 |
TV.SF04.EHZ. | 2021-09-29T22:03:55.15 | 0.1 | undecidable | manual | P | 116 | 58.6968 | 50 | 0.39 | 87 |
IV.OSSC.HHZ. | 2021-09-29T22:03:54.25 | 0.1 | undecidable | manual | P | 20 | 53.3022 | 50 | 0.33 | 89 |
IV.ARCI.HHZ. | 2021-09-29T22:03:52.81 | 0.1 | undecidable | manual | P | 123 | 44.8218 | 50 | 0.2 | 93 |
IV.CASP.HHZ. | 2021-09-29T22:03:51.16 | 0.1 | positive | manual | P | 201 | 33.6441 | 50 | 0.27 | 93 |
IV.FROS.CHZ. | 2021-09-29T22:03:50.93 | 0.6 | undecidable | manual | S | 37 | 18.9699 | 118 | -0.67 | 43 |
IV.RIBO.EHZ.01 | 2021-09-29T22:03:50.04 | 0.6 | undecidable | manual | S | 169 | 14.0748 | 125 | -0.1 | 50 |
IV.FROS.CHZ. | 2021-09-29T22:03:48.50 | 0.1 | undecidable | manual | P | 37 | 18.9699 | 118 | 0.05 | 100 |
IV.TRIF.CHZ. | 2021-09-29T22:03:48.83 | 0.6 | undecidable | manual | S | 297 | 10.0788 | 135 | -0.26 | 49 |
IV.TRIF.CHZ. | 2021-09-29T22:03:47.31 | 0.1 | positive | manual | P | 297 | 10.0788 | 135 | 0.31 | 96 |
IV.RIBO.EHZ.01 | 2021-09-29T22:03:47.86 | 1.0 | undecidable | manual | P | 169 | 14.0748 | 125 | 0.25 | 24 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.2 | 0.00020600000000000002 | 0.38 | AML | other | m | 2021-09-29T22:03:50.73 |
IV.TRIF.CHN. | ML:1.2 | 0.000217 | 0.5 | AML | other | m | 2021-09-29T22:03:50.87 |
IV.FROS.CHE. | ML:1.7 | 0.0004305 | 0.18 | AML | other | m | 2021-09-29T22:03:51.28 |
IV.FROS.CHN. | ML:1.9 | 0.0006015 | 0.4 | AML | other | m | 2021-09-29T22:03:51.27 |
IV.CASP.HHE. | ML:1.4 | 0.00011599999999999999 | 0.26 | AML | other | m | 2021-09-29T22:03:55.76 |
IV.CASP.HHN. | ML:1.3 | 0.00008935000000000002 | 0.18 | AML | other | m | 2021-09-29T22:03:55.83 |
IV.ARCI.HHN. | ML:1.3 | 0.000055350000000000004 | 0.14 | AML | other | m | 2021-09-29T22:03:58.21 |
IV.ARCI.HHE. | ML:1.3 | 0.00006125 | 1.08 | AML | other | m | 2021-09-29T22:03:58.21 |