A magnitude ML 1.5 earthquake occured in region: 2 km SW Castiglione d'Orcia (SI), on
and geographic coordinates (lat, lon) 42.9940, 11.5950 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 | 8 | 2662 | 5008 |
Seggiano | GR | 8 | 961 | 5969 |
Montalcino | SI | 11 | 5093 | 11062 |
Pienza | SI | 12 | 2107 | 13169 |
Castel del Piano | GR | 12 | 4690 | 17859 |
Abbadia San Salvatore | SI | 14 | 6444 | 24303 |
Arcidosso | GR | 14 | 4285 | 28588 |
Radicofani | SI | 18 | 1097 | 29685 |
San Giovanni d'Asso | SI | 18 | 853 | 30538 |
Piancastagnaio | SI | 18 | 4230 | 34768 |
Santa Fiora | GR | 18 | 2622 | 37390 |
Buonconvento | SI | 19 | 3173 | 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 1.5 | 2020-10-27 10:52:17 |
42.9942 | 11.5952 | 11 | 2021-02-26 14:56:07 |
Bollettino Sismico Italiano INGV | 84979731 |
Reviewed Rev100 |
ML 1.7 | 2020-10-27 10:52:17 |
43.0162 | 11.6047 | 11 | 2020-10-27 10:58:22 |
Sala Sismica INGV-Roma | 84178041 |
Field | Value |
---|---|
Time (UTC) | 2020-10-27 10:52:17 ± 0.09 |
Latitude | 42.9942 ± 0.0063 |
Longitude | 11.5952 ± 0.0037 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 84979731 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 760 |
Semi-minor axis of confidence ellipse (meter) | 110 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 25 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 760.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 42 |
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) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.13939 |
Epicentral distance of station farthest from the epicenter (degree) | 0.89213 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 23 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 84178041 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-27 10:58:22 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 84979731 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-11-24 10:59:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CASP.HHZ. | 2020-10-27T10:52:37.37 | 0.6 | undecidable | manual | S | 249 | 63.492 | 90 | 0.48 | 42 |
IV.RINC.HHN. | 2020-10-27T10:52:34.40 | 0.6 | undecidable | manual | P | 1 | 99.0231 | 90 | 0.23 | 41 |
IV.PARC.HHZ. | 2020-10-27T10:52:32.74 | 0.6 | undecidable | manual | P | 35 | 89.244 | 90 | 0.06 | 43 |
IV.ATVO.HHZ. | 2020-10-27T10:52:31.10 | 0.6 | undecidable | manual | P | 56 | 78.4659 | 90 | 0.09 | 44 |
IV.CRE.HHE. | 2020-10-27T10:52:30.60 | 0.3 | undecidable | manual | P | 22 | 75.0693 | 90 | 0.12 | 65 |
IV.FROS.CHZ. | 2020-10-27T10:52:30.55 | 0.3 | undecidable | manual | S | 304 | 42.8238 | 90 | -0.84 | 59 |
IV.MGAB.HHZ. | 2020-10-27T10:52:30.78 | 0.6 | undecidable | manual | S | 102 | 42.9237 | 90 | -0.63 | 42 |
IV.ATMI.HHZ. | 2020-10-27T10:52:29.70 | 0.6 | undecidable | manual | P | 55 | 66.2781 | 90 | 0.57 | 39 |
IV.CASP.HHZ. | 2020-10-27T10:52:29.26 | 0.6 | undecidable | manual | P | 249 | 63.492 | 90 | 0.57 | 40 |
IV.ATMC.EHE. | 2020-10-27T10:52:29.54 | 0.3 | undecidable | manual | P | 44 | 69.6747 | 90 | -0.11 | 68 |
IV.ATVA.EHE. | 2020-10-27T10:52:28.64 | 0.6 | undecidable | manual | P | 60 | 64.1913 | 90 | -0.17 | 45 |
IV.CSNT.HHZ. | 2020-10-27T10:52:27.06 | 0.1 | undecidable | manual | P | 335 | 58.5969 | 90 | -0.88 | 75 |
IV.TRIF.CHZ. | 2020-10-27T10:52:27.89 | 0.3 | undecidable | manual | P | 284 | 57.6978 | 90 | 0.08 | 68 |
IV.MCIV.CHZ. | 2020-10-27T10:52:26.35 | 0.6 | undecidable | manual | S | 165 | 24.753 | 90 | -0.22 | 47 |
TV.SF14.HHZ. | 2020-10-27T10:52:26.75 | 0.6 | undecidable | manual | S | 177 | 26.5512 | 90 | -0.29 | 46 |
IV.CAFI.HHZ. | 2020-10-27T10:52:25.83 | 0.1 | undecidable | manual | P | 39 | 47.8188 | 90 | -0.45 | 88 |
TV.SF01.EHZ. | 2020-10-27T10:52:25.16 | 0.6 | undecidable | manual | S | 187 | 20.3685 | 90 | -0.23 | 47 |
TV.SF13.HHN. | 2020-10-27T10:52:25.05 | 0.6 | undecidable | manual | S | 174 | 19.5693 | 90 | -0.13 | 49 |
IV.FROS.CHZ. | 2020-10-27T10:52:25.08 | 0.1 | undecidable | manual | P | 304 | 42.8238 | 90 | -0.44 | 89 |
TV.SF03.EHE. | 2020-10-27T10:52:25.73 | 0.3 | undecidable | manual | S | 161 | 22.4553 | 90 | -0.22 | 71 |
IV.MGAB.HHZ. | 2020-10-27T10:52:25.46 | 0.1 | undecidable | manual | P | 102 | 42.9237 | 90 | -0.07 | 96 |
IV.RIBO.EHE.01 | 2020-10-27T10:52:25.94 | 0.3 | undecidable | manual | P | 264 | 44.8218 | 90 | 0.12 | 70 |
IV.SACS.HHZ. | 2020-10-27T10:52:24.08 | 0.6 | undecidable | manual | P | 122 | 30.1476 | 90 | 0.51 | 44 |
TV.SF04.EHZ. | 2020-10-27T10:52:24.63 | 0.3 | undecidable | manual | S | 163 | 18.3705 | 90 | -0.22 | 72 |
IV.ARCI.HHZ. | 2020-10-27T10:52:24.99 | 0.6 | undecidable | manual | S | 212 | 18.5703 | 90 | 0.09 | 50 |
IV.MCIV.CHZ. | 2020-10-27T10:52:23.01 | 0.1 | positive | manual | P | 165 | 24.753 | 90 | 0.28 | 94 |
TV.SF11.HHZ. | 2020-10-27T10:52:23.84 | 0.3 | undecidable | manual | S | 154 | 15.4734 | 90 | -0.25 | 72 |
TV.SF14.HHZ. | 2020-10-27T10:52:23.22 | 0.1 | undecidable | manual | P | 177 | 26.5512 | 90 | 0.21 | 95 |
TV.SF13.HHN. | 2020-10-27T10:52:22.19 | 0.1 | positive | manual | P | 174 | 19.5693 | 90 | 0.26 | 95 |
TV.SF03.EHE. | 2020-10-27T10:52:22.61 | 0.1 | undecidable | manual | P | 161 | 22.4553 | 90 | 0.23 | 95 |
TV.SF01.EHZ. | 2020-10-27T10:52:22.20 | 0.1 | undecidable | manual | P | 187 | 20.3685 | 90 | 0.14 | 97 |
TV.SF11.HHZ. | 2020-10-27T10:52:21.48 | 0.1 | undecidable | manual | P | 154 | 15.4734 | 90 | 0.18 | 97 |
IV.ARCI.HHZ. | 2020-10-27T10:52:21.79 | 0.1 | positive | manual | P | 212 | 18.5703 | 90 | 0.02 | 100 |
TV.SF04.EHZ. | 2020-10-27T10:52:21.99 | 0.1 | undecidable | manual | P | 163 | 18.3705 | 90 | 0.24 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ARCI.HHE. | ML:1.5 | 0.00025644944999999995 | 0.1024 | AML | other | m | 2020-10-27T10:52:26.11 |
IV.ARCI.HHN. | ML:1.4 | 0.00019681559999999997 | 0.16 | AML | other | m | 2020-10-27T10:52:26.03 |
TV.SF04.EHE. | ML:2.3 | 0.0016638985000000002 | 0.2176 | AML | other | m | 2020-10-27T10:52:25.76 |
TV.SF04.EHN. | ML:2.2 | 0.001328559 | 0.1792 | AML | other | m | 2020-10-27T10:52:25.70 |
TV.SF01.EHN. | ML:2.3 | 0.00147 | 0.24 | AML | other | m | 2020-10-27T10:52:26.28 |
TV.SF01.EHE. | ML:2.0 | 0.0006788005500000001 | 0.2048 | AML | other | m | 2020-10-27T10:52:26.31 |
IV.MCIV.CHE. | ML:1.6 | 0.00026108290000000003 | 0.1856 | AML | other | m | 2020-10-27T10:52:28.85 |
IV.MCIV.CHN. | ML:1.5 | 0.00019987835 | 0.1792 | AML | other | m | 2020-10-27T10:52:27.62 |
IV.SACS.HHE. | ML:1.1 | 0.00005751594 | 0.2176 | AML | other | m | 2020-10-27T10:52:31.56 |
IV.SACS.HHN. | ML:1.0 | 0.000050914155000000005 | 0.4608 | AML | other | m | 2020-10-27T10:52:33.98 |
IV.FROS.CHE. | ML:1.6 | 0.000116038065 | 0.256 | AML | other | m | 2020-10-27T10:52:32.47 |
IV.FROS.CHN. | ML:1.4 | 0.000086164035 | 0.1472 | AML | other | m | 2020-10-27T10:52:31.36 |
IV.MGAB.HHE. | ML:1.3 | 0.00005822174500000001 | 0.1984 | AML | other | m | 2020-10-27T10:52:34.84 |
IV.MGAB.HHN. | ML:1.4 | 0.000075759245 | 0.16 | AML | other | m | 2020-10-27T10:52:33.39 |
IV.CAFI.HNE. | ML:1.6 | 0.00010540333499999998 | 0.4288 | AML | other | m | 2020-10-27T10:52:34.58 |
IV.CAFI.HHE. | ML:1.2 | 0.000043518295 | 1.0432 | AML | other | m | 2020-10-27T10:52:34.02 |
IV.CSNT.HHN. | ML:1.6 | 0.000091335005 | 0.1408 | AML | other | m | 2020-10-27T10:52:35.67 |
IV.CSNT.HHE. | ML:1.4 | 0.00005227024 | 0.1216 | AML | other | m | 2020-10-27T10:52:35.90 |
IV.CASP.HHN. | ML:1.5 | 0.000063603145 | 0.256 | AML | other | m | 2020-10-27T10:52:40.14 |
IV.CASP.HHE. | ML:1.5 | 0.000056523455 | 0.256 | AML | other | m | 2020-10-27T10:52:38.09 |
IV.ATVO.HHN. | ML:1.4 | 0.000034812926 | 0.8576 | AML | other | m | 2020-10-27T10:52:49.47 |
IV.ATVO.HHE. | ML:1.4 | 0.000039739585 | 0.3008 | AML | other | m | 2020-10-27T10:52:45.40 |