A magnitude ML 1.4 earthquake occured in region: 6 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0800, 11.0210 at 10 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 15 | 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 |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2021-09-18 05:53:12 |
43.0798 | 11.0207 | 10 | 2022-03-30 13:04:39 |
Bollettino Sismico Italiano INGV | 101586441 |
Reviewed Rev100 |
ML 1.4 | 2021-09-18 05:53:10 |
43.1247 | 11.0588 | 11 | 2021-09-18 05:56:56 |
Sala Sismica INGV-Roma | 95573611 |
Field | Value |
---|---|
Time (UTC) | 2021-09-18 05:53:12 ± 0.13 |
Latitude | 43.0798 ± 0.0081 |
Longitude | 11.0207 ± 0.0123 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 101586441 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 968 |
Semi-minor axis of confidence ellipse (meter) | 658 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 268 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 970.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 80 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.09263 |
Epicentral distance of station farthest from the epicenter (degree) | 0.67989 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 101586441 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-01 15:23:12 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 95573611 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-18 05:56:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARCI.HHZ. | 2021-09-18T05:53:26.05 | 0.6 | undecidable | manual | S | 124 | 44.7219 | 50 | -0.87 | 38 |
IV.CELB.HHE. | 2021-09-18T05:53:26.56 | 0.3 | undecidable | manual | P | 241 | 75.4689 | 50 | 1.11 | 49 |
IV.CASP.HHZ. | 2021-09-18T05:53:23.46 | 0.6 | undecidable | manual | S | 202 | 34.4433 | 50 | -0.71 | 42 |
IV.MAGO.CHE. | 2021-09-18T05:53:23.75 | 0.6 | undecidable | manual | S | 306 | 36.3414 | 50 | -0.93 | 38 |
TV.SF04.EHZ. | 2021-09-18T05:53:23.18 | 0.3 | undecidable | manual | P | 117 | 58.5969 | 50 | 0.33 | 68 |
IV.OSSC.HHE. | 2021-09-18T05:53:22.33 | 0.3 | undecidable | manual | P | 20 | 52.503 | 50 | 0.42 | 67 |
IV.CSNT.HHZ. | 2021-09-18T05:53:21.26 | 0.3 | undecidable | manual | P | 26 | 48.7179 | 50 | -0.07 | 73 |
IV.ARCI.HHZ. | 2021-09-18T05:53:20.86 | 0.1 | undecidable | manual | P | 124 | 44.7219 | 50 | 0.14 | 96 |
IV.CASP.HHZ. | 2021-09-18T05:53:19.17 | 0.1 | undecidable | manual | P | 202 | 34.4433 | 50 | 0.04 | 100 |
IV.MAGO.CHE. | 2021-09-18T05:53:19.46 | 0.3 | undecidable | manual | P | 306 | 36.3414 | 50 | 0.04 | 75 |
IV.RIBO.EHZ. | 2021-09-18T05:53:18.13 | 0.6 | undecidable | manual | S | 172 | 14.6742 | 124 | -0.25 | 50 |
IV.FROS.CHZ. | 2021-09-18T05:53:18.98 | 0.6 | undecidable | manual | S | 37 | 18.0708 | 119 | -0.42 | 48 |
IV.FROS.CHZ. | 2021-09-18T05:53:16.43 | 0.3 | undecidable | manual | P | 37 | 18.0708 | 119 | 0.06 | 77 |
IV.TRIF.CHZ. | 2021-09-18T05:53:16.79 | 0.6 | undecidable | manual | S | 292 | 10.2786 | 134 | -0.4 | 48 |
IV.TRIF.CHZ. | 2021-09-18T05:53:15.32 | 0.3 | undecidable | manual | P | 292 | 10.2786 | 134 | 0.22 | 75 |
IV.RIBO.EHZ. | 2021-09-18T05:53:15.91 | 0.3 | undecidable | manual | P | 172 | 14.6742 | 124 | 0.12 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | ML:1.8 | 0.0007255 | 1.76 | AML | other | m | 2021-09-18T05:53:17.06 |
IV.TRIF.CHN. | ML:1.6 | 0.000569 | 0.62 | AML | other | m | 2021-09-18T05:53:18.84 |
IV.FROS.CHE. | ML:1.3 | 0.000175 | 0.22 | AML | other | m | 2021-09-18T05:53:19.26 |
IV.FROS.CHN. | ML:1.4 | 0.0001795 | 0.2 | AML | other | m | 2021-09-18T05:53:20.48 |
IV.CASP.HHN. | ML:1.3 | 0.00007355 | 1.36 | AML | other | m | 2021-09-18T05:53:24.74 |
IV.CASP.HHE. | ML:1.3 | 0.0000733 | 1.22 | AML | other | m | 2021-09-18T05:53:24.07 |