A magnitude ML 1.4 earthquake occured in region: 2 km SW Abbadia San Salvatore (SI), on
and geographic coordinates (lat, lon) 42.8660, 11.6610 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 |
---|---|---|---|---|
Abbadia San Salvatore | SI | 2 | 6444 | 6444 |
Piancastagnaio | SI | 3 | 4230 | 10674 |
Santa Fiora | GR | 7 | 2622 | 13296 |
Radicofani | SI | 9 | 1097 | 14393 |
Arcidosso | GR | 10 | 4285 | 18678 |
Castel del Piano | GR | 10 | 4690 | 23368 |
Castell'Azzara | GR | 11 | 1476 | 24844 |
Seggiano | GR | 11 | 961 | 25805 |
Roccalbegna | GR | 15 | 1044 | 26849 |
Castiglione d'Orcia | SI | 16 | 2346 | 29195 |
San Casciano dei Bagni | SI | 18 | 1632 | 30827 |
Semproniano | GR | 18 | 1059 | 31886 |
Proceno | VT | 18 | 557 | 32443 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2023-05-26 22:02:32 |
42.8658 | 11.6607 | 10 | 2023-05-26 22:10:16 |
Sala Sismica INGV-Roma | 117758101 |
Field | Value |
---|---|
Time (UTC) | 2023-05-26 22:02:32 ± 0.11 |
Latitude | 42.8658 ± 0.0081 |
Longitude | 11.6607 ± 0.0098 |
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 | 117758101 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1150 |
Semi-minor axis of confidence ellipse (meter) | 291 |
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) | 1150.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 109 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.01349 |
Epicentral distance of station farthest from the epicenter (degree) | 0.66460 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 117758101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-26 22:10:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHN. | 2023-05-26T22:02:55.28 | 0.1 | undecidable | manual | S | 336 | 73.7706 | 50 | -0.14 | 86 |
IV.FROS.CHE. | 2023-05-26T22:02:50.20 | 0.1 | undecidable | manual | S | 313 | 55.8996 | 50 | -0.47 | 83 |
IV.RIBO.EHZ. | 2023-05-26T22:02:48.86 | 0.6 | undecidable | manual | S | 281 | 50.7159 | 50 | -0.43 | 42 |
IV.CSNT.HHN. | 2023-05-26T22:02:46.00 | 0.1 | undecidable | manual | P | 336 | 73.7706 | 50 | 0.08 | 87 |
IV.MGAB.HHZ. | 2023-05-26T22:02:45.13 | 0.6 | undecidable | manual | S | 82 | 37.0296 | 50 | -0.5 | 42 |
IV.LATE.HHZ. | 2023-05-26T22:02:43.25 | 0.6 | undecidable | manual | S | 157 | 30.3474 | 50 | -0.58 | 42 |
IV.FROS.CHE. | 2023-05-26T22:02:43.89 | 0.1 | undecidable | manual | P | 313 | 55.8996 | 50 | 0.72 | 75 |
IV.RIBO.EHZ. | 2023-05-26T22:02:42.93 | 0.1 | undecidable | manual | P | 281 | 50.7159 | 50 | 0.56 | 81 |
IV.MALA0.EHZ. | 2023-05-26T22:02:40.46 | 0.1 | undecidable | manual | S | 316 | 21.7671 | 114 | -0.69 | 81 |
IV.MGAB.HHZ. | 2023-05-26T22:02:40.33 | 0.6 | undecidable | manual | P | 82 | 37.0296 | 50 | 0.06 | 46 |
IV.SACS.HHZ. | 2023-05-26T22:02:40.72 | 0.3 | undecidable | manual | S | 95 | 20.3685 | 115 | 0 | 73 |
IV.MALA5.EHZ. | 2023-05-26T22:02:40.99 | 0.1 | undecidable | manual | S | 317 | 21.5673 | 114 | -0.11 | 95 |
IV.LATE.HHZ. | 2023-05-26T22:02:39.15 | 0.1 | undecidable | manual | P | 157 | 30.3474 | 50 | -0.08 | 94 |
IV.MALA5.EHZ. | 2023-05-26T22:02:38.11 | 0.1 | undecidable | manual | P | 317 | 21.5673 | 114 | 0.46 | 88 |
IV.MALA0.EHZ. | 2023-05-26T22:02:38.14 | 0.1 | undecidable | manual | P | 316 | 21.7671 | 114 | 0.46 | 88 |
IV.SACS.HHZ. | 2023-05-26T22:02:37.74 | 0.1 | undecidable | manual | P | 95 | 20.3685 | 115 | 0.32 | 91 |
IV.MCIV.CHZ. | 2023-05-26T22:02:37.15 | 0.6 | undecidable | manual | S | 172 | 9.7791 | 134 | -0.5 | 44 |
IV.MCIV.CHZ. | 2023-05-26T22:02:35.91 | 0.1 | positive | manual | P | 172 | 9.7791 | 134 | 0.25 | 94 |
TV.SF11.HHZ. | 2023-05-26T22:02:35.57 | 0.6 | undecidable | manual | S | 78 | 1.4985 | 171 | -0.69 | 42 |
TV.SF11.HHZ. | 2023-05-26T22:02:34.86 | 0.1 | undecidable | manual | P | 78 | 1.4985 | 171 | 0 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MCIV.CHE. | ML:2.1 | 0.0017800000000000001 | 0.18 | AML | other | m | 2023-05-26T22:02:37.36 |
IV.MCIV.CHN. | ML:2.0 | 0.0012749999999999999 | 0.56 | AML | other | m | 2023-05-26T22:02:37.64 |
IV.SACS.HHN. | ML:1.1 | 0.00009905 | 0.72 | AML | other | m | 2023-05-26T22:02:42.09 |
IV.SACS.HHE. | ML:1.2 | 0.00010300000000000001 | 0.92 | AML | other | m | 2023-05-26T22:02:42.51 |
IV.LATE.HHE. | ML:1.7 | 0.0002185 | 0.7 | AML | other | m | 2023-05-26T22:02:43.59 |
IV.LATE.HHN. | ML:1.8 | 0.0003285 | 1.58 | AML | other | m | 2023-05-26T22:02:44.00 |
IV.MGAB.HHN. | ML:1.1 | 0.000048799999999999994 | 0.2 | AML | other | m | 2023-05-26T22:02:46.70 |
IV.MGAB.HHE. | ML:1.1 | 0.0000474 | 0.18 | AML | other | m | 2023-05-26T22:02:48.40 |