A magnitude ML 0.6 earthquake occured in region: 3 km NE Piancastagnaio (SI), on
and geographic coordinates (lat, lon) 42.8670, 11.7240 at 9 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Piancastagnaio | SI | 3 | 4230 | 4230 |
Abbadia San Salvatore | SI | 4 | 6444 | 10674 |
Radicofani | SI | 5 | 1097 | 11771 |
Castell'Azzara | GR | 11 | 1476 | 13247 |
Santa Fiora | GR | 12 | 2622 | 15869 |
San Casciano dei Bagni | SI | 13 | 1632 | 17501 |
Proceno | VT | 15 | 557 | 18058 |
Arcidosso | GR | 15 | 4285 | 22343 |
Seggiano | GR | 15 | 961 | 23304 |
Castel del Piano | GR | 15 | 4690 | 27994 |
Castiglione d'Orcia | SI | 18 | 2346 | 30340 |
Acquapendente | VT | 18 | 5506 | 35846 |
Cetona | SI | 18 | 2755 | 38601 |
Sarteano | SI | 18 | 4717 | 43318 |
Roccalbegna | GR | 20 | 1044 | 44362 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.6 | 2023-04-28 22:40:50 |
42.8667 | 11.7237 | 9 | 2024-03-01 17:18:11 |
Bollettino Sismico Italiano INGV | 118422541 |
Reviewed Rev100 |
ML 0.5 | 2023-04-28 22:40:50 |
42.8677 | 11.7187 | 10 | 2023-04-28 22:50:40 |
Sala Sismica INGV-Roma | 116855561 |
Field | Value |
---|---|
Time (UTC) | 2023-04-28 22:40:50 ± 0.06 |
Latitude | 42.8667 ± 0.0045 |
Longitude | 11.7237 ± 0.0049 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 118422541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 433 |
Semi-minor axis of confidence ellipse (meter) | 409 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 233 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 74 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.03238 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49463 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 118422541 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-06-15 12:39:50 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 116855561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-28 22:50:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAFI.HNN. | 2023-04-28T22:41:07.41 | 0.6 | undecidable | manual | S | 21 | 54.9006 | 50 | -0.19 | 45 |
IV.MGAB.HHZ. | 2023-04-28T22:41:01.38 | 0.3 | undecidable | manual | S | 81 | 31.9458 | 50 | -0.09 | 72 |
IV.CAFI.HNN. | 2023-04-28T22:41:00.40 | 0.1 | undecidable | manual | P | 21 | 54.9006 | 50 | 0.19 | 91 |
IV.LATE.HHZ. | 2023-04-28T22:41:00.65 | 0.3 | undecidable | manual | S | 167 | 28.8489 | 50 | 0.02 | 74 |
IV.MALA2.EHZ. | 2023-04-28T22:40:59.11 | 0.6 | undecidable | manual | S | 307 | 25.0527 | 111 | -0.29 | 47 |
IV.ARCI.HHZ. | 2023-04-28T22:40:57.47 | 0.6 | undecidable | manual | S | 265 | 20.2686 | 115 | -0.39 | 46 |
IV.LATE.HHZ. | 2023-04-28T22:40:56.18 | 0.3 | undecidable | manual | P | 167 | 28.8489 | 50 | 0 | 74 |
IV.SACS.HHZ. | 2023-04-28T22:40:56.31 | 0.3 | undecidable | manual | S | 97 | 15.2736 | 122 | -0.02 | 76 |
IV.MGAB.HHZ. | 2023-04-28T22:40:56.37 | 0.1 | undecidable | manual | P | 81 | 31.9458 | 50 | -0.3 | 92 |
IV.MALA2.EHZ. | 2023-04-28T22:40:55.80 | 0.1 | undecidable | manual | P | 307 | 25.0527 | 111 | 0.32 | 93 |
IV.MALA1.EHZ. | 2023-04-28T22:40:55.71 | 0.1 | undecidable | manual | P | 307 | 25.1526 | 111 | 0.22 | 95 |
IV.MCIV.CHZ. | 2023-04-28T22:40:55.02 | 0.3 | undecidable | manual | S | 201 | 10.4784 | 132 | 0.02 | 76 |
IV.ARCI.HHZ. | 2023-04-28T22:40:54.52 | 0.3 | undecidable | manual | P | 265 | 20.2686 | 115 | -0.06 | 74 |
IV.MCIV.CHZ. | 2023-04-28T22:40:53.08 | 0.1 | undecidable | manual | P | 201 | 10.4784 | 132 | 0.14 | 99 |
IV.SACS.HHZ. | 2023-04-28T22:40:53.97 | 0.6 | positive | manual | P | 97 | 15.2736 | 122 | 0.27 | 48 |
TV.SF11.HHZ. | 2023-04-28T22:40:53.20 | 0.3 | undecidable | manual | S | 273 | 3.5964 | 159 | -0.41 | 71 |
TV.SF11.HHZ. | 2023-04-28T22:40:52.28 | 0.1 | undecidable | manual | P | 273 | 3.5964 | 159 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MCIV.CHN. | ML:1.0 | 0.0001325 | 1.2 | AML | other | m | 2023-04-28T22:40:55.90 |
IV.MCIV.CHE. | ML:0.9 | 0.00009864999999999999 | 1.4 | AML | other | m | 2023-04-28T22:40:56.83 |
IV.SACS.HHE. | ML:0.4 | 0.0000272 | 0.38 | AML | other | m | 2023-04-28T22:40:57.93 |
IV.ARCI.HHE. | ML:0.5 | 0.0000229 | 0.28 | AML | other | m | 2023-04-28T22:40:58.29 |
IV.SACS.HHN. | ML:0.3 | 0.00002165 | 1.16 | AML | other | m | 2023-04-28T22:40:58.40 |
IV.ARCI.HHN. | ML:0.5 | 0.000025750000000000002 | 0.72 | AML | other | m | 2023-04-28T22:40:58.76 |