A magnitude ML 0.8 earthquake occured in region: 6 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0760, 11.0210 at 11 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 | 6 | 1204 | 1204 |
Chiusdino | SI | 10 | 1903 | 3107 |
Massa Marittima | GR | 11 | 8375 | 11482 |
Roccastrada | GR | 14 | 9199 | 20681 |
Monticiano | SI | 15 | 1571 | 22252 |
Monterotondo Marittimo | GR | 16 | 1371 | 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 0.8 | 2021-10-14 20:20:46 |
43.0763 | 11.0213 | 11 | 2021-10-14 20:25:33 |
Sala Sismica INGV-Roma | 96570221 |
Field | Value |
---|---|
Time (UTC) | 2021-10-14 20:20:46 ± 0.2 |
Latitude | 43.0763 ± 0.0090 |
Longitude | 11.0213 ± 0.0148 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96570221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1086 |
Semi-minor axis of confidence ellipse (meter) | 918 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 88 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1090.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 136 |
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) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.09443 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30757 |
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 | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 96570221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-14 20:25:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CASP.HHZ. | 2021-10-14T20:20:58.19 | 0.6 | undecidable | manual | S | 202 | 34.1436 | 50 | -0.38 | 47 |
IV.CASP.HHZ. | 2021-10-14T20:20:54.06 | 1.0 | undecidable | manual | P | 202 | 34.1436 | 50 | 0.41 | 23 |
IV.RIBO.EHZ.01 | 2021-10-14T20:20:53.04 | 0.6 | undecidable | manual | S | 172 | 14.2746 | 127 | -0.09 | 51 |
IV.FROS.CHZ. | 2021-10-14T20:20:53.85 | 0.6 | undecidable | manual | S | 36 | 18.3705 | 120 | -0.47 | 47 |
IV.FROS.CHZ. | 2021-10-14T20:20:51.38 | 0.1 | positive | manual | P | 36 | 18.3705 | 120 | 0.19 | 100 |
IV.TRIF.CHZ. | 2021-10-14T20:20:51.75 | 0.6 | undecidable | manual | S | 294 | 10.4784 | 136 | -0.4 | 49 |
IV.TRIF.CHZ. | 2021-10-14T20:20:50.22 | 0.1 | positive | manual | P | 294 | 10.4784 | 136 | 0.28 | 99 |
IV.RIBO.EHZ.01 | 2021-10-14T20:20:50.68 | 0.6 | undecidable | manual | P | 172 | 14.2746 | 127 | 0.17 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:0.8 | 0.00008091462 | 0.0768 | AML | other | m | 2021-10-14T20:20:51.86 |
IV.TRIF.CHN. | ML:0.7 | 0.000052518435000000004 | 0.0896 | AML | other | m | 2021-10-14T20:20:52.86 |
IV.RIBO.EHE.01 | ML:0.8 | 0.000056964485000000006 | 0.2048 | AML | other | m | 2021-10-14T20:20:52.00 |
IV.FROS.CHN. | ML:0.9 | 0.000060504125 | 0.2048 | AML | other | m | 2021-10-14T20:20:54.20 |
IV.FROS.CHE. | ML:0.7 | 0.00004165190000000001 | 0.576 | AML | other | m | 2021-10-14T20:20:55.05 |