A magnitude ML 1.8 earthquake occured in region: 2 km SW Radicofani (SI), on
and geographic coordinates (lat, lon) 42.8860, 11.7520 at 7 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 |
---|---|---|---|---|
Radicofani | SI | 2 | 1097 | 1097 |
Abbadia San Salvatore | SI | 6 | 6444 | 7541 |
Piancastagnaio | SI | 6 | 4230 | 11771 |
San Casciano dei Bagni | SI | 10 | 1632 | 13403 |
Castell'Azzara | GR | 13 | 1476 | 14879 |
Santa Fiora | GR | 15 | 2622 | 17501 |
Cetona | SI | 15 | 2755 | 20256 |
Sarteano | SI | 15 | 4717 | 24973 |
Proceno | VT | 16 | 557 | 25530 |
Seggiano | GR | 17 | 961 | 26491 |
Castiglione d'Orcia | SI | 17 | 2346 | 28837 |
Castel del Piano | GR | 17 | 4690 | 33527 |
Arcidosso | GR | 17 | 4285 | 37812 |
Acquapendente | VT | 18 | 5506 | 43318 |
Allerona | TR | 20 | 1794 | 45112 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2020-09-08 15:15:20 |
42.8858 | 11.752 | 7 | 2021-02-26 14:56:06 |
Bollettino Sismico Italiano INGV | 84772831 |
Reviewed Rev100 |
ML 2.0 | 2020-09-08 15:15:20 |
42.8838 | 11.7618 | 7 | 2020-09-08 15:31:12 |
Sala Sismica INGV-Roma | 82739201 |
Field | Value |
---|---|
Time (UTC) | 2020-09-08 15:15:20 ± 0.07 |
Latitude | 42.8858 ± 0.0063 |
Longitude | 11.7520 ± 0.0049 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 84772831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 691 |
Semi-minor axis of confidence ellipse (meter) | 429 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 178 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 65 |
Number of associated phases, regardless of their use for origin computation | 41 |
Number of defining phases | 29 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.74644 |
Number of stations at which the event was observed | 29 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.4 |
Num. used stations | 31 |
Type of magnitude | ML |
Reference to an origin | 82739201 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-08 15:31:12 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 84772831 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-11-30 08:36:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PZUN.HHZ. | 2020-09-08T15:17:13.90 | 3.0 | undecidable | manual | Sg | 6.66 | 0 | |||
IV.CMPR.HHZ. | 2020-09-08T15:17:12.69 | 3.0 | undecidable | manual | Sg | 7.19 | 0 | |||
IV.SGTA.HHZ. | 2020-09-08T15:16:48.66 | 3.0 | undecidable | manual | Sn | -4.93 | 0 | |||
IV.IMI.HHZ. | 2020-09-08T15:16:48.59 | 3.0 | undecidable | manual | Sn | 0.77 | 0 | |||
XK.GIZZ.HHZ. | 2020-09-08T15:16:42.82 | 3.0 | negative | manual | Pn | 2.89 | 0 | |||
IV.RAVA.EHZ. | 2020-09-08T15:16:23.91 | 3.0 | undecidable | manual | Sg | 2.26 | 0 | |||
OT.OT05.EHZ. | 2020-09-08T15:16:18.92 | 3.0 | positive | manual | Pg | 7.16 | 0 | |||
IV.EUCT.HNZ. | 2020-09-08T15:16:15.11 | 3.0 | positive | manual | Pg | 5.31 | 0 | |||
IV.CMPR.HHZ. | 2020-09-08T15:16:15.63 | 3.0 | undecidable | manual | Pn | -4.22 | 0 | |||
IV.SARZ.HHZ. | 2020-09-08T15:16:06.29 | 3.0 | negative | manual | Pn | -1.66 | 0 | |||
IV.SBPO.HNZ. | 2020-09-08T15:16:04.29 | 3.0 | positive | manual | Pg | 4.66 | 0 | |||
IV.MNTT.EHZ. | 2020-09-08T15:16:04.74 | 3.0 | undecidable | manual | S | -3.6 | 0 | |||
IV.CAFI.HHZ. | 2020-09-08T15:15:37.19 | 0.6 | undecidable | manual | S | 19 | 52.1034 | 50 | -0.17 | 46 |
IV.CRE.HHZ. | 2020-09-08T15:15:35.43 | 0.3 | undecidable | manual | P | 11 | 82.8504 | 50 | 0.61 | 58 |
IV.BARO.EHZ. | 2020-09-08T15:15:33.65 | 0.6 | undecidable | manual | P | 161 | 74.8695 | 50 | 0.06 | 45 |
IV.CASP.HHZ. | 2020-09-08T15:15:33.60 | 0.6 | undecidable | manual | P | 262 | 72.8715 | 50 | 0.32 | 43 |
IV.MOMA.HHZ. | 2020-09-08T15:15:32.30 | 0.3 | undecidable | manual | P | 98 | 67.1772 | 50 | -0.1 | 68 |
IV.CSNT.HHZ. | 2020-09-08T15:15:32.99 | 0.3 | undecidable | manual | P | 330 | 75.0693 | 50 | -0.63 | 59 |
IV.FROS.CHE. | 2020-09-08T15:15:31.49 | 0.1 | negative | manual | P | 307 | 60.1953 | 50 | 0.16 | 91 |
IV.MGAB.HHZ. | 2020-09-08T15:15:30.08 | 0.3 | undecidable | manual | S | 84 | 29.4483 | 104 | -0.6 | 65 |
IV.CAFI.HHZ. | 2020-09-08T15:15:29.99 | 0.3 | undecidable | manual | P | 19 | 52.1034 | 50 | -0.1 | 70 |
IV.ARCI.HHZ. | 2020-09-08T15:15:27.94 | 0.3 | undecidable | manual | S | 261 | 22.755 | 108 | -0.52 | 67 |
TV.SF14.HHN. | 2020-09-08T15:15:26.47 | 0.3 | undecidable | manual | S | 218 | 18.2706 | 112 | -0.53 | 68 |
IV.SACS.HHE. | 2020-09-08T15:15:26.26 | 0.6 | undecidable | manual | S | 108 | 13.4754 | 119 | 0.79 | 41 |
TV.SF01.EHZ. | 2020-09-08T15:15:26.61 | 0.3 | undecidable | manual | S | 242 | 17.3715 | 113 | -0.1 | 75 |
IV.LATE.HHZ. | 2020-09-08T15:15:26.22 | 0.3 | undecidable | manual | P | 172 | 30.4473 | 104 | -0.22 | 71 |
IV.MGAB.HHZ. | 2020-09-08T15:15:25.84 | 0.3 | undecidable | manual | P | 84 | 29.4483 | 104 | -0.39 | 69 |
IV.MCIV.CHZ. | 2020-09-08T15:15:25.61 | 0.3 | undecidable | manual | S | 207 | 13.3755 | 119 | 0.16 | 74 |
TV.SF13.HHZ. | 2020-09-08T15:15:25.26 | 0.3 | undecidable | manual | S | 235 | 13.0758 | 119 | -0.11 | 75 |
IV.ARCI.HHZ. | 2020-09-08T15:15:25.11 | 0.3 | undecidable | manual | P | 261 | 22.755 | 108 | 0.16 | 73 |
TV.SF04.EHZ. | 2020-09-08T15:15:24.17 | 0.3 | undecidable | manual | S | 233 | 9.2796 | 128 | -0.09 | 76 |
TV.SF03.EHE. | 2020-09-08T15:15:24.42 | 0.3 | undecidable | manual | S | 210 | 10.6782 | 125 | -0.23 | 74 |
TV.SF14.HHN. | 2020-09-08T15:15:24.16 | 0.3 | undecidable | manual | P | 218 | 18.2706 | 112 | 0.05 | 75 |
TV.SF01.EHZ. | 2020-09-08T15:15:24.21 | 0.3 | undecidable | manual | P | 242 | 17.3715 | 113 | 0.27 | 72 |
TV.SF13.HHZ. | 2020-09-08T15:15:23.44 | 0.1 | positive | manual | P | 235 | 13.0758 | 119 | 0.28 | 97 |
IV.SACS.HHE. | 2020-09-08T15:15:23.36 | 0.1 | undecidable | manual | P | 108 | 13.4754 | 119 | 0.14 | 100 |
TV.SF11.HHN. | 2020-09-08T15:15:23.47 | 0.3 | undecidable | manual | S | 252 | 6.2937 | 140 | -0.03 | 77 |
IV.MCIV.CHZ. | 2020-09-08T15:15:23.33 | 0.1 | positive | manual | P | 207 | 13.3755 | 119 | 0.12 | 100 |
TV.SF11.HHN. | 2020-09-08T15:15:22.29 | 0.1 | negative | manual | P | 252 | 6.2937 | 140 | 0.2 | 99 |
TV.SF04.EHZ. | 2020-09-08T15:15:22.82 | 0.3 | undecidable | manual | P | 233 | 9.2796 | 128 | 0.29 | 73 |
TV.SF03.EHE. | 2020-09-08T15:15:22.91 | 0.3 | undecidable | manual | P | 210 | 10.6782 | 125 | 0.16 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
TV.SF04.EHE. | ML:2.5 | 0.0053692390000000005 | 0.2048 | AML | other | m | 2020-09-08T15:15:24.67 |
TV.SF04.EHN. | ML:2.6 | 0.0072927895 | 0.2688 | AML | other | m | 2020-09-08T15:15:24.76 |
TV.SF01.EHN. | ML:2.3 | 0.0016813349999999997 | 0.2048 | AML | other | m | 2020-09-08T15:15:26.75 |
IV.MCIV.CHE. | ML:2.2 | 0.0016720455 | 0.2304 | AML | other | m | 2020-09-08T15:15:27.22 |
IV.MCIV.CHN. | ML:2.1 | 0.0016323805 | 0.2048 | AML | other | m | 2020-09-08T15:15:27.62 |
TV.SF01.EHE. | ML:2.3 | 0.0016755420000000001 | 0.3328 | AML | other | m | 2020-09-08T15:15:28.15 |
IV.ARCI.HNN. | ML:2.0 | 0.0006748914500000001 | 0.256 | AML | other | m | 2020-09-08T15:15:28.40 |
IV.ARCI.HNE. | ML:1.9 | 0.00054598845 | 0.1664 | AML | other | m | 2020-09-08T15:15:29.47 |
IV.ARCI.HHE. | ML:1.9 | 0.00055478275 | 0.1792 | AML | other | m | 2020-09-08T15:15:29.56 |
IV.ARCI.HHN. | ML:1.8 | 0.00038461610000000004 | 0.256 | AML | other | m | 2020-09-08T15:15:30.53 |
IV.MGAB.HHN. | ML:1.8 | 0.0003594225 | 0.2304 | AML | other | m | 2020-09-08T15:15:31.37 |
IV.MGAB.HNN. | ML:1.8 | 0.00031843935 | 0.2176 | AML | other | m | 2020-09-08T15:15:31.37 |
IV.MGAB.HHE. | ML:1.8 | 0.00035440950000000004 | 0.1408 | AML | other | m | 2020-09-08T15:15:33.20 |
IV.MGAB.HNE. | ML:1.8 | 0.00028785810000000003 | 0.1408 | AML | other | m | 2020-09-08T15:15:33.27 |
IV.LATE.HHE. | ML:1.7 | 0.00026341844999999995 | 0.1408 | AML | other | m | 2020-09-08T15:15:34.76 |
IV.LATE.HHN. | ML:1.9 | 0.00037695485 | 1.5264 | AML | other | m | 2020-09-08T15:15:36.85 |
IV.CAFI.HHE. | ML:1.4 | 0.000058357285 | 0.3712 | AML | other | m | 2020-09-08T15:15:38.37 |
IV.CRE.HHN. | ML:1.4 | 0.000029331400000000002 | 0.2432 | AML | other | m | 2020-09-08T15:15:38.67 |
IV.CAFI.HHN. | ML:1.2 | 0.00003783164 | 1.5776 | AML | other | m | 2020-09-08T15:15:41.01 |
IV.MOMA.HHN. | ML:1.7 | 0.00009706231500000002 | 0.2176 | AML | other | m | 2020-09-08T15:15:44.17 |
IV.MOMA.HHE. | ML:1.9 | 0.00013227565 | 0.256 | AML | other | m | 2020-09-08T15:15:44.42 |
IV.BARO.EHE. | ML:1.4 | 0.000041834765 | 0.4224 | AML | other | m | 2020-09-08T15:15:48.11 |
IV.BARO.EHN. | ML:1.3 | 0.000028521565 | 1.4496 | AML | other | m | 2020-09-08T15:15:51.92 |
IV.CRE.HHE. | ML:1.4 | 0.00003025 | 0.42 | AML | other | m | 2020-09-08T15:15:58.12 |