A magnitude ML 1.3 earthquake occured in region: 1 km W Castiglione d'Orcia (SI), on
and geographic coordinates (lat, lon) 43.0060, 11.6080 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 | 1 | 2346 | 2346 |
San Quirico d'Orcia | SI | 6 | 2662 | 5008 |
Seggiano | GR | 10 | 961 | 5969 |
Pienza | SI | 10 | 2107 | 8076 |
Montalcino | SI | 11 | 5093 | 13169 |
Castel del Piano | GR | 14 | 4690 | 17859 |
Abbadia San Salvatore | SI | 15 | 6444 | 24303 |
Arcidosso | GR | 16 | 4285 | 28588 |
San Giovanni d'Asso | SI | 17 | 853 | 29441 |
Montepulciano | SI | 17 | 14097 | 43538 |
Radicofani | SI | 18 | 1097 | 44635 |
Buonconvento | SI | 18 | 3173 | 47808 |
Piancastagnaio | SI | 19 | 4230 | 52038 |
Chianciano Terme | SI | 19 | 7105 | 59143 |
Santa Fiora | GR | 19 | 2622 | 61765 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2020-10-31 01:45:21 |
43.0062 | 11.608 | 10 | 2020-10-31 02:40:53 |
Sala Sismica INGV-Roma | 84301861 |
Field | Value |
---|---|
Time (UTC) | 2020-10-31 01:45:21 ± 0.16 |
Latitude | 43.0062 ± 0.0081 |
Longitude | 11.6080 ± 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 | 84301861 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 940 |
Semi-minor axis of confidence ellipse (meter) | 866 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 261 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 940.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 86 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.14659 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52071 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 84301861 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-31 02:40:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2020-10-31T01:45:39.22 | 0.6 | undecidable | manual | S | 334 | 57.7977 | 50 | -0.79 | 39 |
IV.RIBO.EHZ.01 | 2020-10-31T01:45:37.59 | 0.6 | undecidable | manual | S | 262 | 46.0206 | 50 | 0.74 | 40 |
IV.CAFI.HHZ. | 2020-10-31T01:45:36.71 | 0.6 | undecidable | manual | S | 39 | 46.1205 | 50 | -0.17 | 47 |
IV.CSNT.HHZ. | 2020-10-31T01:45:31.91 | 0.6 | negative | manual | P | 334 | 57.7977 | 50 | -0.45 | 44 |
TV.SF14.HHN. | 2020-10-31T01:45:31.21 | 0.6 | undecidable | manual | S | 179 | 27.8499 | 50 | -0.8 | 41 |
IV.CAFI.HHZ. | 2020-10-31T01:45:30.52 | 1.0 | negative | manual | P | 39 | 46.1205 | 50 | -0.04 | 24 |
TV.SF03.EHE. | 2020-10-31T01:45:30.20 | 0.6 | undecidable | manual | S | 164 | 23.4543 | 113 | -0.57 | 45 |
IV.RIBO.EHZ.01 | 2020-10-31T01:45:30.68 | 0.3 | positive | manual | P | 262 | 46.0206 | 50 | 0.14 | 72 |
TV.SF01.EHZ. | 2020-10-31T01:45:30.56 | 0.6 | undecidable | manual | S | 190 | 21.867 | 115 | 0.28 | 48 |
TV.SF04.EHZ. | 2020-10-31T01:45:29.02 | 0.6 | undecidable | manual | S | 167 | 19.3695 | 118 | -0.49 | 46 |
TV.SF13.HHZ. | 2020-10-31T01:45:29.73 | 0.6 | undecidable | manual | S | 177 | 20.868 | 116 | -0.23 | 49 |
IV.ARCI.HHZ. | 2020-10-31T01:45:29.43 | 0.6 | undecidable | manual | S | 212 | 20.1687 | 117 | -0.34 | 48 |
TV.SF11.HHN. | 2020-10-31T01:45:28.30 | 0.6 | undecidable | manual | S | 159 | 16.2726 | 122 | -0.28 | 49 |
IV.SACS.HNE. | 2020-10-31T01:45:28.71 | 0.1 | undecidable | manual | P | 125 | 30.0477 | 50 | 0.62 | 87 |
TV.SF14.HHN. | 2020-10-31T01:45:27.67 | 0.1 | undecidable | manual | P | 179 | 27.8499 | 50 | -0.07 | 100 |
TV.SF03.EHE. | 2020-10-31T01:45:27.21 | 0.1 | undecidable | manual | P | 164 | 23.4543 | 113 | 0.18 | 99 |
IV.ARCI.HHZ. | 2020-10-31T01:45:26.48 | 0.3 | negative | manual | P | 212 | 20.1687 | 117 | 0.03 | 77 |
TV.SF04.EHZ. | 2020-10-31T01:45:26.60 | 0.6 | undecidable | manual | P | 167 | 19.3695 | 118 | 0.3 | 48 |
TV.SF11.HHN. | 2020-10-31T01:45:26.01 | 0.1 | undecidable | manual | P | 159 | 16.2726 | 122 | 0.25 | 98 |
TV.SF01.EHZ. | 2020-10-31T01:45:26.96 | 1.0 | positive | manual | P | 190 | 21.867 | 115 | 0.22 | 25 |
TV.SF13.HHZ. | 2020-10-31T01:45:26.73 | 0.1 | undecidable | manual | P | 177 | 20.868 | 116 | 0.17 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
TV.SF04.EHN. | ML:1.6 | 0.00029099999999999997 | 0.44 | AML | other | m | 2020-10-31T01:45:30.34 |
TV.SF04.EHE. | ML:1.6 | 0.0003 | 0.1 | AML | other | m | 2020-10-31T01:45:30.39 |
IV.ARCI.HHN. | ML:1.1 | 0.0000897 | 0.94 | AML | other | m | 2020-10-31T01:45:30.66 |
TV.SF01.EHE. | ML:1.5 | 0.00022700000000000002 | 0.24 | AML | other | m | 2020-10-31T01:45:30.93 |
TV.SF01.EHN. | ML:1.8 | 0.00040800000000000005 | 0.24 | AML | other | m | 2020-10-31T01:45:30.79 |
IV.ARCI.HHE. | ML:1.0 | 0.00008225 | 0.42 | AML | other | m | 2020-10-31T01:45:31.67 |
IV.CAFI.HHE. | ML:0.5 | 0.0000105003305 | 0.34 | AML | other | m | 2020-10-31T01:45:40.01 |
IV.CAFI.HHN. | ML:0.7 | 0.000013816598499999998 | 0.86 | AML | other | m | 2020-10-31T01:45:42.33 |
IV.CAFI.HNE. | ML:1.5 | 0.000089930005 | 0.7192 | AML | other | m | 2020-10-31T01:45:38.90 |