A magnitude ML 0.9 earthquake occured in region: 6 km S Montieri (GR), on
and geographic coordinates (lat, lon) 43.0800, 11.0240 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 | 14 | 1571 | 22252 |
Monterotondo Marittimo | GR | 15 | 1371 | 23623 |
Castelnuovo di Val di Cecina | PI | 17 | 2231 | 25854 |
Gavorrano | GR | 20 | 8580 | 34434 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-09-18 06:17:04 |
43.0798 | 11.0238 | 11 | 2021-09-18 06:21:41 |
Sala Sismica INGV-Roma | 95574601 |
Field | Value |
---|---|
Time (UTC) | 2021-09-18 06:17:04 ± 0.18 |
Latitude | 43.0798 ± 0.0099 |
Longitude | 11.0238 ± 0.0160 |
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 | 95574601 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1212 |
Semi-minor axis of confidence ellipse (meter) | 1034 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 310 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 30 |
Number of defining phases | 10 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40110 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 95574601 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-18 06:21:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
AC.VLO.HHZ. | 2021-09-18T06:18:38.94 | 3.0 | negative | manual | Pn | -1.68 | 0 | |||
MN.TRI.HHZ. | 2021-09-18T06:18:31.24 | 3.0 | undecidable | manual | Sn | -3.17 | 0 | |||
IV.MMO1.EHZ. | 2021-09-18T06:18:07.84 | 3.0 | undecidable | manual | Sg | 10.27 | 0 | |||
IX.STN3.HNZ.01 | 2021-09-18T06:18:03.32 | 3.0 | undecidable | manual | Pn | -0.89 | 0 | |||
IV.SLCN.HHZ. | 2021-09-18T06:17:55.03 | 3.0 | undecidable | manual | Pn | -9.99 | 0 | |||
GU.RNCA.HHZ. | 2021-09-18T06:17:55.53 | 3.0 | undecidable | manual | Sg | 6.81 | 0 | |||
IV.NDIM.HHZ. | 2021-09-18T06:17:55.04 | 3.0 | undecidable | manual | Sg | 2.3 | 0 | |||
IV.PE3.EHZ. | 2021-09-18T06:17:50.59 | 3.0 | undecidable | manual | Sg | 3.7 | 0 | |||
IV.RMP.HHZ. | 2021-09-18T06:17:46.51 | 3.0 | undecidable | manual | Sn | -8.1 | 0 | |||
IV.TOLF.HHZ. | 2021-09-18T06:17:46.22 | 3.0 | undecidable | manual | Sg | 5.49 | 0 | |||
IT.GLNS.HNZ. | 2021-09-18T06:17:44.82 | 3.0 | undecidable | manual | Pn | -4.3 | 0 | |||
IV.GIUL.HHZ. | 2021-09-18T06:17:37.66 | 3.0 | undecidable | manual | Pg | 1.96 | 0 | |||
IV.FIR.HHZ. | 2021-09-18T06:17:33.11 | 3.0 | undecidable | manual | Sg | 2.28 | 0 | |||
IV.QLNO.HHZ. | 2021-09-18T06:17:30.20 | 3.0 | positive | manual | Pn | 2.14 | 0 | |||
GU.RNCA.HHZ. | 2021-09-18T06:17:29.74 | 3.0 | positive | manual | Pg | 3.93 | 0 | |||
IV.CRTC.HHZ. | 2021-09-18T06:17:29.65 | 3.0 | negative | manual | Pg | 1 | 0 | |||
IV.PESA.HHZ. | 2021-09-18T06:17:25.13 | 3.0 | undecidable | manual | Pn | -4.16 | 0 | |||
IV.CAVE.HHZ. | 2021-09-18T06:17:24.65 | 3.0 | positive | manual | Pg | -3.37 | 0 | |||
IV.ARCI.HHZ. | 2021-09-18T06:17:17.99 | 0.6 | undecidable | manual | S | 124 | 44.5221 | 50 | -0.48 | 45 |
IV.CASP.HHZ. | 2021-09-18T06:17:15.33 | 0.6 | undecidable | manual | S | 202 | 34.5432 | 50 | -0.47 | 46 |
IV.CRMI.HHZ. | 2021-09-18T06:17:13.96 | 3.0 | undecidable | manual | Pg | -0.57 | 0 | |||
IV.ARCI.HHZ. | 2021-09-18T06:17:12.81 | 0.6 | undecidable | manual | P | 124 | 44.5221 | 50 | 0.46 | 45 |
IV.CASP.HHZ. | 2021-09-18T06:17:11.13 | 0.6 | positive | manual | P | 202 | 34.5432 | 50 | 0.31 | 47 |
IV.FIR.HHZ. | 2021-09-18T06:17:10.08 | 3.0 | undecidable | manual | P | -5.68 | 0 | |||
IV.RIBO.EHZ.01 | 2021-09-18T06:17:10.00 | 0.6 | undecidable | manual | S | 173 | 14.5743 | 126 | -0.26 | 49 |
IV.FROS.CHZ. | 2021-09-18T06:17:10.63 | 0.6 | undecidable | manual | S | 37 | 17.9709 | 120 | -0.6 | 45 |
IV.FROS.CHZ. | 2021-09-18T06:17:08.43 | 0.1 | negative | manual | P | 37 | 17.9709 | 120 | 0.25 | 98 |
IV.TRIF.CHZ. | 2021-09-18T06:17:08.60 | 0.6 | undecidable | manual | S | 292 | 10.5783 | 135 | -0.58 | 46 |
IV.TRIF.CHZ. | 2021-09-18T06:17:07.23 | 0.1 | negative | manual | P | 292 | 10.5783 | 135 | 0.24 | 100 |
IV.RIBO.EHZ.01 | 2021-09-18T06:17:07.87 | 0.1 | undecidable | manual | P | 173 | 14.5743 | 126 | 0.25 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TRIF.CHN. | ML:0.8 | 0.00006870000000000002 | 0.2 | AML | other | m | 2021-09-18T06:17:09.23 |
IV.TRIF.CHE. | ML:0.8 | 0.00007939999999999999 | 0.24 | AML | other | m | 2021-09-18T06:17:09.86 |
IV.CASP.HHE. | ML:0.8 | 0.0000259 | 0.78 | AML | other | m | 2021-09-18T06:17:15.56 |
IV.CASP.HHN. | ML:1.0 | 0.0000378 | 0.28 | AML | other | m | 2021-09-18T06:17:15.63 |
IV.ARCI.HHE. | ML:1.0 | 0.0000321 | 0.42 | AML | other | m | 2021-09-18T06:17:35.52 |
IV.ARCI.HHN. | ML:1.0 | 0.000030399999999999997 | 0.42 | AML | other | m | 2021-09-18T06:17:44.34 |