A magnitude ML 1.7 earthquake occured in region: 2 km W Castiglione d'Orcia (SI), on
and geographic coordinates (lat, lon) 42.9980, 11.5900 at 11 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 |
---|---|---|---|---|
Castiglione d'Orcia | SI | 2 | 2346 | 2346 |
San Quirico d'Orcia | SI | 7 | 2662 | 5008 |
Seggiano | GR | 8 | 961 | 5969 |
Montalcino | SI | 11 | 5093 | 11062 |
Pienza | SI | 12 | 2107 | 13169 |
Castel del Piano | GR | 12 | 4690 | 17859 |
Arcidosso | GR | 15 | 4285 | 22144 |
Abbadia San Salvatore | SI | 15 | 6444 | 28588 |
San Giovanni d'Asso | SI | 17 | 853 | 29441 |
Buonconvento | SI | 18 | 3173 | 32614 |
Radicofani | SI | 18 | 1097 | 33711 |
Piancastagnaio | SI | 18 | 4230 | 37941 |
Santa Fiora | GR | 19 | 2622 | 40563 |
Montepulciano | SI | 19 | 14097 | 54660 |
Cinigiano | GR | 20 | 2618 | 57278 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2020-10-28 01:48:29 |
42.9983 | 11.5902 | 11 | 2021-02-26 14:56:02 |
Bollettino Sismico Italiano INGV | 84384461 |
Reviewed Rev100 |
ML 1.7 | 2020-10-28 01:48:29 |
43.0098 | 11.5883 | 10 | 2020-10-28 02:18:46 |
Sala Sismica INGV-Roma | 84193761 |
Field | Value |
---|---|
Time (UTC) | 2020-10-28 01:48:29 ± 0.09 |
Latitude | 42.9983 ± 0.0045 |
Longitude | 11.5902 ± 0.0061 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 84384461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 499 |
Semi-minor axis of confidence ellipse (meter) | 418 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 263 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 48 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 34 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.14479 |
Epicentral distance of station farthest from the epicenter (degree) | 0.95868 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 21 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 28 |
Type of magnitude | ML |
Reference to an origin | 84193761 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-28 02:18:46 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 84384461 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-11 12:15:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ATMI.HHZ. | 2020-10-28T01:48:50.03 | 0.3 | undecidable | manual | S | 56 | 66.2781 | 50 | 0.2 | 67 |
IV.CASP.HHZ. | 2020-10-28T01:48:49.91 | 0.6 | undecidable | manual | S | 249 | 63.2922 | 50 | 0.89 | 37 |
IV.PE3.EHZ. | 2020-10-28T01:48:47.95 | 0.3 | undecidable | manual | P | 43 | 106.4157 | 50 | 0.47 | 58 |
IV.PARC.HHZ. | 2020-10-28T01:48:44.81 | 0.3 | undecidable | manual | P | 36 | 89.1441 | 50 | 0 | 66 |
IV.MURB.HHZ. | 2020-10-28T01:48:43.82 | 0.3 | undecidable | manual | P | 68 | 81.1521 | 50 | 0.24 | 64 |
IV.ATVO.HHZ. | 2020-10-28T01:48:43.39 | 0.3 | undecidable | manual | P | 57 | 78.5658 | 50 | 0.21 | 65 |
IV.RIBO.EHZ.01 | 2020-10-28T01:48:43.56 | 0.3 | undecidable | manual | S | 263 | 44.4222 | 50 | -0.44 | 64 |
IV.MGAB.HHZ. | 2020-10-28T01:48:43.35 | 0.3 | undecidable | manual | S | 102 | 43.4232 | 50 | -0.37 | 67 |
IV.FROS.CHZ. | 2020-10-28T01:48:42.79 | 0.1 | undecidable | manual | S | 304 | 42.2244 | 50 | -0.62 | 80 |
IV.CRE.HHZ. | 2020-10-28T01:48:42.80 | 0.1 | undecidable | manual | P | 23 | 74.7696 | 50 | 0.21 | 88 |
IV.ATMI.HHZ. | 2020-10-28T01:48:41.17 | 0.3 | undecidable | manual | P | 56 | 66.2781 | 50 | -0.12 | 68 |
IV.CASP.HHZ. | 2020-10-28T01:48:41.61 | 0.1 | undecidable | manual | P | 249 | 63.2922 | 50 | 0.79 | 76 |
IV.CSNT.HHZ. | 2020-10-28T01:48:39.34 | 0.1 | undecidable | manual | P | 335 | 57.9975 | 50 | -0.67 | 78 |
IV.RIBO.EHZ.01 | 2020-10-28T01:48:38.13 | 0.1 | undecidable | manual | P | 263 | 44.4222 | 50 | 0.2 | 94 |
IV.MCIV.CHZ. | 2020-10-28T01:48:38.57 | 0.6 | undecidable | manual | S | 164 | 25.3524 | 50 | -0.33 | 46 |
IV.CAFI.HHZ. | 2020-10-28T01:48:38.05 | 0.1 | undecidable | manual | P | 40 | 47.7189 | 50 | -0.37 | 89 |
TV.SF14.HHN. | 2020-10-28T01:48:38.92 | 0.6 | undecidable | manual | S | 176 | 27.0507 | 50 | -0.43 | 45 |
IV.FROS.CHZ. | 2020-10-28T01:48:37.40 | 0.1 | undecidable | manual | P | 304 | 42.2244 | 50 | -0.18 | 92 |
IV.MGAB.HHZ. | 2020-10-28T01:48:37.73 | 0.1 | undecidable | manual | P | 102 | 43.4232 | 50 | -0.03 | 96 |
TV.SF13.HHE. | 2020-10-28T01:48:37.27 | 0.1 | undecidable | manual | S | 173 | 20.0688 | 50 | -0.23 | 96 |
TV.SF01.EHZ. | 2020-10-28T01:48:37.62 | 0.6 | undecidable | manual | S | 186 | 20.7681 | 50 | -0.06 | 49 |
TV.SF03.EHN. | 2020-10-28T01:48:37.93 | 0.6 | undecidable | manual | S | 160 | 23.0547 | 50 | -0.35 | 46 |
IV.ARCI.HHZ. | 2020-10-28T01:48:37.39 | 0.6 | undecidable | manual | S | 210 | 18.7701 | 50 | 0.26 | 48 |
TV.SF04.EHZ. | 2020-10-28T01:48:36.86 | 0.1 | undecidable | manual | S | 162 | 18.9699 | 50 | -0.32 | 95 |
IV.SACS.HHZ. | 2020-10-28T01:48:36.18 | 0.1 | undecidable | manual | P | 122 | 30.747 | 50 | 0.37 | 91 |
TV.SF11.HHZ. | 2020-10-28T01:48:36.03 | 0.3 | undecidable | manual | S | 153 | 16.0728 | 124 | -0.33 | 72 |
TV.SF14.HHN. | 2020-10-28T01:48:35.43 | 0.3 | undecidable | manual | P | 176 | 27.0507 | 50 | 0.19 | 72 |
IV.MCIV.CHZ. | 2020-10-28T01:48:35.19 | 0.1 | undecidable | manual | P | 164 | 25.3524 | 50 | 0.21 | 96 |
IV.ARCI.HHZ. | 2020-10-28T01:48:34.00 | 0.1 | positive | manual | P | 210 | 18.7701 | 50 | 0.04 | 100 |
TV.SF03.EHN. | 2020-10-28T01:48:34.79 | 0.3 | undecidable | manual | P | 160 | 23.0547 | 50 | 0.17 | 73 |
TV.SF01.EHZ. | 2020-10-28T01:48:34.39 | 0.1 | undecidable | manual | P | 186 | 20.7681 | 50 | 0.11 | 99 |
TV.SF04.EHZ. | 2020-10-28T01:48:34.14 | 0.1 | undecidable | manual | P | 162 | 18.9699 | 50 | 0.15 | 97 |
TV.SF13.HHE. | 2020-10-28T01:48:34.38 | 0.1 | positive | manual | P | 173 | 20.0688 | 50 | 0.21 | 96 |
TV.SF11.HHZ. | 2020-10-28T01:48:33.66 | 0.1 | undecidable | manual | P | 153 | 16.0728 | 124 | 0.15 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
TV.SF04.EHN. | ML:2.2 | 0.0013399999999999998 | 0.18 | AML | other | m | 2020-10-28T01:48:37.84 |
TV.SF04.EHE. | ML:2.3 | 0.00161 | 1.82 | AML | other | m | 2020-10-28T01:48:38.99 |
IV.ARCI.HHN. | ML:1.6 | 0.0003195 | 0.4 | AML | other | m | 2020-10-28T01:48:38.55 |
TV.SF01.EHE. | ML:2.1 | 0.0008240000000000001 | 0.24 | AML | other | m | 2020-10-28T01:48:38.64 |
TV.SF01.EHN. | ML:2.4 | 0.001745 | 0.24 | AML | other | m | 2020-10-28T01:48:38.51 |
IV.ARCI.HHE. | ML:1.7 | 0.00035350000000000003 | 0.28 | AML | other | m | 2020-10-28T01:48:39.30 |
IV.MCIV.CHN. | ML:1.7 | 0.00027649999999999994 | 0.84 | AML | other | m | 2020-10-28T01:48:40.25 |
IV.MCIV.CHE. | ML:1.7 | 0.000259 | 0.7 | AML | other | m | 2020-10-28T01:48:41.54 |
IV.SACS.HHN. | ML:1.2 | 0.00007575 | 1.2 | AML | other | m | 2020-10-28T01:48:43.08 |
IV.SACS.HHE. | ML:1.2 | 0.0000737 | 1.4 | AML | other | m | 2020-10-28T01:48:44.77 |
IV.FROS.CHN. | ML:1.7 | 0.000154 | 1.42 | AML | other | m | 2020-10-28T01:48:46.81 |
IV.MGAB.HHE. | ML:1.5 | 0.00009204999999999999 | 0.52 | AML | other | m | 2020-10-28T01:48:47.34 |
IV.MGAB.HHN. | ML:1.5 | 0.00009115 | 0.16 | AML | other | m | 2020-10-28T01:48:47.21 |
IV.CSNT.HHN. | ML:1.6 | 0.00007935 | 1.84 | AML | other | m | 2020-10-28T01:48:47.05 |
IV.CSNT.HHE. | ML:1.5 | 0.00006705 | 0.8 | AML | other | m | 2020-10-28T01:48:48.71 |
IV.CAFI.HHN. | ML:1.2 | 0.00004380000000000001 | 0.9 | AML | other | m | 2020-10-28T01:48:48.40 |
IV.FROS.CHE. | ML:1.8 | 0.000192 | 1.06 | AML | other | m | 2020-10-28T01:48:49.31 |
IV.CAFI.HHE. | ML:1.2 | 0.0000466 | 0.64 | AML | other | m | 2020-10-28T01:48:49.62 |
IV.CASP.HHE. | ML:1.7 | 0.00009565 | 0.8 | AML | other | m | 2020-10-28T01:48:50.38 |
IV.CASP.HHN. | ML:1.6 | 0.00008265 | 0.22 | AML | other | m | 2020-10-28T01:48:52.28 |
IV.ATMI.HHE. | ML:2.0 | 0.00020050000000000002 | 0.26 | AML | other | m | 2020-10-28T01:48:52.43 |
IV.ATMI.HHN. | ML:2.0 | 0.0001985 | 0.3 | AML | other | m | 2020-10-28T01:48:55.78 |
IV.MURB.HHE. | ML:2.2 | 0.00021300000000000003 | 0.24 | AML | other | m | 2020-10-28T01:48:56.96 |
IV.ATVO.HHE. | ML:1.7 | 0.00007065000000000001 | 0.38 | AML | other | m | 2020-10-28T01:48:57.87 |
IV.MURB.HHN. | ML:2.6 | 0.0005085 | 0.26 | AML | other | m | 2020-10-28T01:48:58.64 |
IV.ATVO.HHN. | ML:1.4 | 0.00004195 | 0.72 | AML | other | m | 2020-10-28T01:48:58.39 |