A magnitude ML 0.9 earthquake occured in region: 4 km SW Radicofani (SI), on
and geographic coordinates (lat, lon) 42.8690, 11.7500 at 7 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 |
---|---|---|---|---|
Radicofani | SI | 4 | 1097 | 1097 |
Piancastagnaio | SI | 5 | 4230 | 5327 |
Abbadia San Salvatore | SI | 6 | 6444 | 11771 |
San Casciano dei Bagni | SI | 10 | 1632 | 13403 |
Castell'Azzara | GR | 11 | 1476 | 14879 |
Santa Fiora | GR | 14 | 2622 | 17501 |
Proceno | VT | 14 | 557 | 18058 |
Cetona | SI | 16 | 2755 | 20813 |
Acquapendente | VT | 17 | 5506 | 26319 |
Sarteano | SI | 17 | 4717 | 31036 |
Seggiano | GR | 17 | 961 | 31997 |
Arcidosso | GR | 17 | 4285 | 36282 |
Castel del Piano | GR | 17 | 4690 | 40972 |
Castiglione d'Orcia | SI | 19 | 2346 | 43318 |
Allerona | TR | 19 | 1794 | 45112 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-07-05 18:41:23 |
42.8688 | 11.7498 | 7 | 2021-07-05 18:49:34 |
Sala Sismica INGV-Roma | 92268681 |
Field | Value |
---|---|
Time (UTC) | 2021-07-05 18:41:23 ± 0.07 |
Latitude | 42.8688 ± 0.0036 |
Longitude | 11.7498 ± 0.0025 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 92268681 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 390 |
Semi-minor axis of confidence ellipse (meter) | 106 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 162 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 171 |
Number of associated phases, regardless of their use for origin computation | 40 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26890 |
Number of stations at which the event was observed | 32 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.6 |
Num. used stations | 17 |
Type of magnitude | ML |
Reference to an origin | 92268681 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-05 18:49:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CLTA.HHZ. | 2021-07-05T18:42:48.36 | 3.0 | undecidable | manual | Pn | 2.15 | 0 | |||
IV.BIOG.HHZ. | 2021-07-05T18:42:42.74 | 3.0 | undecidable | manual | Sg | 4.5 | 0 | |||
IV.MILN.HNZ. | 2021-07-05T18:42:41.74 | 3.0 | undecidable | manual | Sn | 0.53 | 0 | |||
IV.MTGR.HHZ. | 2021-07-05T18:42:40.80 | 3.0 | undecidable | manual | Pg | 6.2 | 0 | |||
IV.EPZF.HHZ. | 2021-07-05T18:42:38.08 | 3.0 | positive | manual | Pn | -1.72 | 0 | |||
IT.VALS.HNZ. | 2021-07-05T18:42:38.90 | 3.0 | undecidable | manual | Sn | -0.39 | 0 | |||
IV.ERC.EHZ. | 2021-07-05T18:42:37.31 | 3.0 | undecidable | manual | Pg | 4.77 | 0 | |||
IV.VOBA.EHZ. | 2021-07-05T18:42:28.98 | 3.0 | undecidable | manual | Sn | -1.41 | 0 | |||
IV.COLB.HHZ. | 2021-07-05T18:42:27.06 | 3.0 | undecidable | manual | Sn | -8.33 | 0 | |||
IV.NDIM.HNZ. | 2021-07-05T18:42:13.49 | 3.0 | undecidable | manual | Sg | 2.31 | 0 | |||
GU.PCP.HHZ. | 2021-07-05T18:42:09.74 | 3.0 | undecidable | manual | Pg | 8.81 | 0 | |||
IV.SARZ.HHZ. | 2021-07-05T18:42:09.30 | 3.0 | positive | manual | Pg | 9.65 | 0 | |||
IV.MGR.HHZ. | 2021-07-05T18:42:08.77 | 3.0 | negative | manual | Pn | -5.81 | 0 | |||
IV.LRP.EHZ. | 2021-07-05T18:42:06.76 | 3.0 | undecidable | manual | Sn | -5.92 | 0 | |||
GU.RNCA.HHZ. | 2021-07-05T18:42:01.95 | 3.0 | undecidable | manual | Pg | 5.07 | 0 | |||
IV.STAL.HHZ. | 2021-07-05T18:42:00.04 | 3.0 | undecidable | manual | Pn | 0.27 | 0 | |||
IV.MCRV.HHZ. | 2021-07-05T18:41:59.16 | 3.0 | undecidable | manual | Pn | -5.92 | 0 | |||
IV.SALO.HNZ. | 2021-07-05T18:41:55.37 | 3.0 | undecidable | manual | Pn | -0.31 | 0 | |||
IV.FIR.HHZ. | 2021-07-05T18:41:46.03 | 3.0 | undecidable | manual | S | 0 | 0 | |||
IV.MGAB.HHZ. | 2021-07-05T18:41:34.09 | 0.3 | undecidable | manual | S | 81 | 29.8479 | 103 | -0.13 | 71 |
IV.PESA.HHZ. | 2021-07-05T18:41:33.45 | 3.0 | undecidable | manual | S | -5.12 | 0 | |||
IV.IMOL.HNZ. | 2021-07-05T18:41:33.15 | 3.0 | negative | manual | P | -1.6 | 0 | |||
IV.ARCI.HHZ. | 2021-07-05T18:41:31.51 | 0.6 | undecidable | manual | S | 265 | 22.3554 | 107 | -0.22 | 47 |
IV.MGAB.HHZ. | 2021-07-05T18:41:29.72 | 0.1 | undecidable | manual | P | 81 | 29.8479 | 103 | -0.01 | 97 |
TV.SF14.HHZ. | 2021-07-05T18:41:29.78 | 0.6 | undecidable | manual | S | 221 | 16.7721 | 112 | -0.1 | 49 |
TV.SF01.EHZ. | 2021-07-05T18:41:29.74 | 0.6 | undecidable | manual | S | 247 | 16.4724 | 113 | -0.04 | 49 |
IV.ARCI.HHZ. | 2021-07-05T18:41:28.37 | 0.6 | positive | manual | P | 265 | 22.3554 | 107 | 0.08 | 48 |
IV.MCIV.CHZ. | 2021-07-05T18:41:28.48 | 0.6 | undecidable | manual | S | 211 | 11.6772 | 121 | 0.18 | 48 |
TV.SF14.HHZ. | 2021-07-05T18:41:27.16 | 0.1 | undecidable | manual | P | 221 | 16.7721 | 112 | -0.07 | 98 |
TV.SF01.EHZ. | 2021-07-05T18:41:27.17 | 1.0 | undecidable | manual | P | 247 | 16.4724 | 113 | 0 | 25 |
TV.SF03.EHE. | 2021-07-05T18:41:27.38 | 0.6 | undecidable | manual | S | 216 | 8.9799 | 128 | -0.15 | 49 |
TV.SF04.EHZ. | 2021-07-05T18:41:27.23 | 0.6 | undecidable | manual | S | 243 | 8.1807 | 130 | -0.08 | 50 |
IV.MCIV.CHZ. | 2021-07-05T18:41:26.32 | 0.1 | undecidable | manual | P | 211 | 11.6772 | 121 | 0.01 | 100 |
IV.SACS.HHZ. | 2021-07-05T18:41:26.62 | 0.1 | undecidable | manual | P | 100 | 13.1757 | 118 | 0.04 | 99 |
TV.SF11.HHZ. | 2021-07-05T18:41:26.66 | 0.6 | undecidable | manual | S | 270 | 5.7942 | 140 | -0.07 | 50 |
TV.SF04.EHZ. | 2021-07-05T18:41:25.86 | 0.1 | positive | manual | P | 243 | 8.1807 | 130 | 0.12 | 98 |
TV.SF11.HHZ. | 2021-07-05T18:41:25.53 | 0.1 | undecidable | manual | P | 270 | 5.7942 | 140 | 0.13 | 99 |
IV.SAP2.EHZ. | 2021-07-05T18:41:25.75 | 3.0 | positive | manual | P | -3.3 | 0 | |||
TV.SF03.EHE. | 2021-07-05T18:41:25.93 | 0.1 | undecidable | manual | P | 216 | 8.9799 | 128 | 0.06 | 99 |
IV.ARVD.HHZ. | 2021-07-05T18:41:22.42 | 3.0 | negative | manual | P | 0.44 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ARVD.HHE. | ML:1.3 | 0.000013284523000000001 | 0.064 | AML | other | m | 2021-07-05T18:41:24.10 |
TV.SF04.EHE. | ML:1.1 | 0.00023899999999999998 | 0.12 | AML | other | m | 2021-07-05T18:41:27.67 |
TV.SF04.EHN. | ML:1.2 | 0.00031643565 | 0.2688 | AML | other | m | 2021-07-05T18:41:27.89 |
IV.MCIV.CHN. | ML:0.8 | 0.00009267395000000001 | 0.1408 | AML | other | m | 2021-07-05T18:41:29.15 |
IV.MCIV.CHE. | ML:0.7 | 0.00006797939 | 0.192 | AML | other | m | 2021-07-05T18:41:31.01 |
IV.SACS.HHN. | ML:0.5 | 0.000039783275 | 0.1408 | AML | other | m | 2021-07-05T18:41:30.78 |
IV.SACS.HHE. | ML:0.5 | 0.000035022765 | 0.2176 | AML | other | m | 2021-07-05T18:41:30.73 |
IV.ARCI.HHN. | ML:0.6 | 0.00002794828 | 0.2432 | AML | other | m | 2021-07-05T18:41:33.80 |
IV.ARCI.HHE. | ML:0.6 | 0.000030476105 | 0.1664 | AML | other | m | 2021-07-05T18:41:32.95 |
IV.STAL.HHN. | ML:3.3 | 0.0001205 | 0.2 | AML | other | m | 2021-07-05T18:42:08.63 |
IV.STAL.HHE. | ML:3.4 | 0.00016549999999999998 | 0.22 | AML | other | m | 2021-07-05T18:42:08.63 |
TV.SF01.EHE. | ML:0.9 | 0.00006750514 | 0.256 | AML | other | m | 2021-07-05T18:41:30.32 |
TV.SF01.EHN. | ML:0.8 | 0.00005628576 | 0.2048 | AML | other | m | 2021-07-05T18:41:29.88 |
IV.MGAB.HHE. | ML:0.6 | 0.000018323672 | 0.1664 | AML | other | m | 2021-07-05T18:41:36.42 |
IV.MGAB.HHN. | ML:0.6 | 0.00001992473 | 0.1536 | AML | other | m | 2021-07-05T18:41:35.42 |
IV.STAL.HNE. | ML:3.3 | 0.00014177960000000001 | 0.1536 | AML | other | m | 2021-07-05T18:42:08.54 |
IV.STAL.HNN. | ML:3.5 | 0.00019841145000000003 | 0.2176 | AML | other | m | 2021-07-05T18:42:08.63 |