A magnitude ML 1.2 earthquake occured in region: 2 km W Castiglione d'Orcia (SI), on
and geographic coordinates (lat, lon) 43.0090, 11.5940 at 10 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 |
---|---|---|---|---|
Castiglione d'Orcia | SI | 2 | 2346 | 2346 |
San Quirico d'Orcia | SI | 6 | 2662 | 5008 |
Seggiano | GR | 9 | 961 | 5969 |
Montalcino | SI | 10 | 5093 | 11062 |
Pienza | SI | 10 | 2107 | 13169 |
Castel del Piano | GR | 14 | 4690 | 17859 |
Abbadia San Salvatore | SI | 16 | 6444 | 24303 |
Arcidosso | GR | 16 | 4285 | 28588 |
San Giovanni d'Asso | SI | 16 | 853 | 29441 |
Buonconvento | SI | 17 | 3173 | 32614 |
Montepulciano | SI | 18 | 14097 | 46711 |
Radicofani | SI | 19 | 1097 | 47808 |
Piancastagnaio | SI | 19 | 4230 | 52038 |
Santa Fiora | GR | 20 | 2622 | 54660 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2020-10-31 02:39:13 |
43.0093 | 11.5943 | 10 | 2020-10-31 02:48:57 |
Sala Sismica INGV-Roma | 84302351 |
Field | Value |
---|---|
Time (UTC) | 2020-10-31 02:39:13 ± 0.16 |
Latitude | 43.0093 ± 0.0090 |
Longitude | 11.5943 ± 0.0111 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 84302351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1079 |
Semi-minor axis of confidence ellipse (meter) | 755 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 206 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1080.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 73 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.51351 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 84302351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-31 02:48:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRJA.HHZ. | 2020-10-31T02:40:43.49 | 3.0 | undecidable | manual | Pg | 17.18 | 0 | |||
MN.TRI.HHZ. | 2020-10-31T02:40:04.72 | 3.0 | negative | manual | Pg | 13.66 | 0 | |||
IV.RM33.HNZ. | 2020-10-31T02:40:02.98 | 3.0 | undecidable | manual | Sg | 0.27 | 0 | |||
IV.LAV9.HHZ. | 2020-10-31T02:39:46.11 | 3.0 | undecidable | manual | Pg | 8.03 | 0 | |||
IV.RM33.HNZ. | 2020-10-31T02:39:37.98 | 3.0 | undecidable | manual | Pg | 2.14 | 0 | |||
IV.SACS.HHZ. | 2020-10-31T02:39:24.54 | 0.6 | undecidable | manual | S | 125 | 31.1466 | 50 | -0.09 | 49 |
IV.CSNT.HHZ. | 2020-10-31T02:39:23.42 | 0.1 | undecidable | manual | P | 335 | 56.9985 | 50 | -0.49 | 87 |
IV.CAFI.HHZ. | 2020-10-31T02:39:22.18 | 1.0 | negative | manual | P | 40 | 46.5201 | 50 | -0.12 | 24 |
IV.RIBO.EHE. | 2020-10-31T02:39:22.11 | 0.1 | undecidable | manual | P | 262 | 44.9217 | 50 | 0.05 | 97 |
TV.SF01.EHZ. | 2020-10-31T02:39:22.05 | 0.6 | undecidable | manual | S | 187 | 22.0668 | 113 | 0.2 | 49 |
IV.MGAB.HHE. | 2020-10-31T02:39:22.05 | 0.6 | undecidable | manual | P | 104 | 43.4232 | 50 | 0.24 | 47 |
TV.SF03.EHE. | 2020-10-31T02:39:21.97 | 0.6 | undecidable | manual | S | 162 | 24.0537 | 112 | -0.53 | 45 |
IV.ARCI.HHZ. | 2020-10-31T02:39:21.12 | 0.6 | undecidable | manual | S | 209 | 19.9689 | 116 | -0.07 | 51 |
TV.SF13.HHE. | 2020-10-31T02:39:21.20 | 0.6 | undecidable | manual | S | 174 | 21.2676 | 114 | -0.4 | 47 |
IV.SACS.HHZ. | 2020-10-31T02:39:20.52 | 0.6 | undecidable | manual | P | 125 | 31.1466 | 50 | 0.59 | 44 |
TV.SF04.EHZ. | 2020-10-31T02:39:20.75 | 0.6 | undecidable | manual | S | 164 | 19.9689 | 115 | -0.45 | 47 |
TV.SF14.HHE. | 2020-10-31T02:39:19.39 | 0.1 | undecidable | manual | P | 177 | 28.2495 | 50 | -0.09 | 99 |
TV.SF11.HHE. | 2020-10-31T02:39:19.93 | 0.6 | undecidable | manual | S | 156 | 17.0718 | 119 | -0.36 | 48 |
IV.ARCI.HHZ. | 2020-10-31T02:39:18.16 | 0.1 | negative | manual | P | 209 | 19.9689 | 116 | 0.22 | 98 |
TV.SF13.HHE. | 2020-10-31T02:39:18.43 | 0.1 | undecidable | manual | P | 174 | 21.2676 | 114 | 0.25 | 97 |
TV.SF04.EHZ. | 2020-10-31T02:39:18.21 | 1.0 | undecidable | manual | P | 164 | 19.9689 | 115 | 0.26 | 24 |
TV.SF01.EHZ. | 2020-10-31T02:39:18.47 | 0.6 | positive | manual | P | 187 | 22.0668 | 113 | 0.15 | 50 |
TV.SF03.EHE. | 2020-10-31T02:39:18.61 | 0.1 | undecidable | manual | P | 162 | 24.0537 | 112 | -0.09 | 100 |
TV.SF11.HHE. | 2020-10-31T02:39:17.86 | 0.1 | undecidable | manual | P | 156 | 17.0718 | 119 | 0.44 | 94 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
TV.SF04.EHN. | ML:1.7 | 0.000375 | 0.14 | AML | other | m | 2020-10-31T02:39:21.79 |
TV.SF04.EHE. | ML:1.7 | 0.00041200000000000004 | 1.76 | AML | other | m | 2020-10-31T02:39:22.88 |
IV.ARCI.HHN. | ML:1.2 | 0.0001085 | 1.06 | AML | other | m | 2020-10-31T02:39:22.33 |
TV.SF01.EHE. | ML:1.6 | 0.0002845 | 0.24 | AML | other | m | 2020-10-31T02:39:22.61 |
TV.SF01.EHN. | ML:1.9 | 0.0005304999999999999 | 0.24 | AML | other | m | 2020-10-31T02:39:22.46 |
IV.ARCI.HHE. | ML:1.1 | 0.00009495 | 0.76 | AML | other | m | 2020-10-31T02:39:23.40 |
IV.CSNT.HHE. | ML:1.1 | 0.00002315 | 0.36 | AML | other | m | 2020-10-31T02:39:31.98 |
IV.CSNT.HHN. | ML:1.0 | 0.000020955000000000002 | 0.6 | AML | other | m | 2020-10-31T02:39:32.90 |
IV.SACS.HHE. | ML:0.6 | 0.000018024154 | 0.2608 | AML | other | m | 2020-10-31T02:39:26.64 |
IV.SACS.HHN. | ML:0.5 | 0.000014391787499999999 | 0.4192 | AML | other | m | 2020-10-31T02:39:28.92 |