A magnitude ML 1.4 earthquake occured in region: 3 km NW Castiglione d'Orcia (SI), on
and geographic coordinates (lat, lon) 43.0310, 11.5980 at 9 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 | 3 | 2346 | 2346 |
San Quirico d'Orcia | SI | 3 | 2662 | 5008 |
Pienza | SI | 9 | 2107 | 7115 |
Montalcino | SI | 9 | 5093 | 12208 |
Seggiano | GR | 12 | 961 | 13169 |
San Giovanni d'Asso | SI | 14 | 853 | 14022 |
Buonconvento | SI | 15 | 3173 | 17195 |
Castel del Piano | GR | 16 | 4690 | 21885 |
Montepulciano | SI | 17 | 14097 | 35982 |
Abbadia San Salvatore | SI | 18 | 6444 | 42426 |
Arcidosso | GR | 18 | 4285 | 46711 |
Trequanda | SI | 19 | 1254 | 47965 |
Chianciano Terme | SI | 19 | 7105 | 55070 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2020-10-31 04:24:12 |
43.0313 | 11.5978 | 9 | 2020-10-31 04:32:46 |
Sala Sismica INGV-Roma | 84304601 |
Field | Value |
---|---|
Time (UTC) | 2020-10-31 04:24:12 ± 0.24 |
Latitude | 43.0313 ± 0.0144 |
Longitude | 11.5978 ± 0.0209 |
Depth (km) | 9 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 84304601 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1884 |
Semi-minor axis of confidence ellipse (meter) | 1169 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 220 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1880.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 126 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49553 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 84304601 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-31 04:32:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CASP.HHZ. | 2020-10-31T04:24:33.41 | 3.0 | undecidable | manual | S | -0.01 | 0 | |||
IV.CSNT.HHE. | 2020-10-31T04:24:30.17 | 0.3 | undecidable | manual | S | 333 | 55.0005 | 50 | 0.2 | 76 |
IV.CAFI.HNN. | 2020-10-31T04:24:26.81 | 0.1 | undecidable | manual | S | 42 | 44.5221 | 50 | -0.37 | 100 |
IV.SACS.HHZ. | 2020-10-31T04:24:23.46 | 0.6 | undecidable | manual | S | 129 | 32.4453 | 50 | -0.49 | 50 |
IV.CSNT.HHE. | 2020-10-31T04:24:22.08 | 0.1 | undecidable | manual | P | 333 | 55.0005 | 50 | -0.46 | 96 |
IV.MGAB.HHZ. | 2020-10-31T04:24:21.48 | 3.0 | positive | manual | P | -0.24 | 0 | |||
TV.SF01.EHZ. | 2020-10-31T04:24:21.45 | 0.6 | undecidable | manual | S | 187 | 24.4533 | 110 | 0.02 | 56 |
IV.CAFI.HNN. | 2020-10-31T04:24:21.30 | 0.1 | undecidable | manual | P | 42 | 44.5221 | 50 | 0.38 | 100 |
IV.ARCI.HHZ. | 2020-10-31T04:24:20.42 | 0.6 | undecidable | manual | S | 207 | 22.2555 | 112 | -0.28 | 53 |
TV.SF04.EHZ. | 2020-10-31T04:24:20.09 | 0.6 | undecidable | manual | S | 167 | 22.2555 | 112 | -0.62 | 48 |
IV.SACS.HHZ. | 2020-10-31T04:24:19.73 | 0.1 | undecidable | manual | P | 129 | 32.4453 | 50 | 0.67 | 93 |
IV.ARCI.HHZ. | 2020-10-31T04:24:17.41 | 0.3 | negative | manual | P | 207 | 22.2555 | 112 | 0.23 | 80 |
TV.SF04.EHZ. | 2020-10-31T04:24:17.50 | 0.6 | undecidable | manual | P | 167 | 22.2555 | 112 | 0.31 | 53 |
TV.SF01.EHZ. | 2020-10-31T04:24:17.61 | 1.0 | negative | manual | P | 187 | 24.4533 | 110 | 0 | 28 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
TV.SF04.EHN. | ML:1.6 | 0.000286 | 1.8 | AML | other | m | 2020-10-31T04:24:21.06 |
TV.SF04.EHE. | ML:1.8 | 0.0003985 | 0.2 | AML | other | m | 2020-10-31T04:24:21.13 |
IV.ARCI.HHN. | ML:1.1 | 0.00008824999999999999 | 0.96 | AML | other | m | 2020-10-31T04:24:21.55 |
TV.SF01.EHE. | ML:1.6 | 0.00023799999999999998 | 0.24 | AML | other | m | 2020-10-31T04:24:21.85 |
TV.SF01.EHN. | ML:1.9 | 0.0004735 | 0.24 | AML | other | m | 2020-10-31T04:24:21.71 |
IV.ARCI.HHE. | ML:1.0 | 0.0000708 | 1.3 | AML | other | m | 2020-10-31T04:24:23.66 |
IV.MGAB.HHE. | ML:1.0 | 0.000034500000000000005 | 0.14 | AML | other | m | 2020-10-31T04:24:29.84 |
IV.MGAB.HHN. | ML:1.0 | 0.000032550000000000005 | 0.6 | AML | other | m | 2020-10-31T04:24:30.36 |