A magnitude ML 1.6 earthquake occured in region: 2 km SW Castiglione d'Orcia (SI), on
and geographic coordinates (lat, lon) 42.9900, 11.5980 at 12 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 |
---|---|---|---|---|
Castiglione d'Orcia | SI | 2 | 2346 | 2346 |
Seggiano | GR | 8 | 961 | 3307 |
San Quirico d'Orcia | SI | 8 | 2662 | 5969 |
Castel del Piano | GR | 12 | 4690 | 10659 |
Pienza | SI | 12 | 2107 | 12766 |
Montalcino | SI | 12 | 5093 | 17859 |
Abbadia San Salvatore | SI | 14 | 6444 | 24303 |
Arcidosso | GR | 14 | 4285 | 28588 |
Radicofani | SI | 17 | 1097 | 29685 |
Piancastagnaio | SI | 17 | 4230 | 33915 |
Santa Fiora | GR | 18 | 2622 | 36537 |
San Giovanni d'Asso | SI | 18 | 853 | 37390 |
Montepulciano | SI | 19 | 14097 | 51487 |
Buonconvento | SI | 19 | 3173 | 54660 |
Cinigiano | GR | 20 | 2618 | 57278 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2018-11-08 05:25:51 |
42.9902 | 11.5983 | 12 | 2019-06-04 09:16:03 |
Bollettino Sismico Italiano INGV | 63980071 |
Reviewed Rev100 |
ML 1.6 | 2018-11-08 05:25:50 |
43.0048 | 11.5973 | 9 | 2018-11-08 05:40:20 |
Sala Sismica INGV-Roma | 62887751 |
Field | Value |
---|---|
Time (UTC) | 2018-11-08 05:25:51 ± 0.07 |
Latitude | 42.9902 ± 0.0036 |
Longitude | 11.5983 ± 0.0086 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 63980071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 670 |
Semi-minor axis of confidence ellipse (meter) | 101 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 82 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 670.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 85 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 34 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.13490 |
Epicentral distance of station farthest from the epicenter (degree) | 0.93170 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 63980071 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2018-12-18 08:45:32 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 62887751 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-11-08 05:40:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHE. | 2018-11-08T05:26:18.72 | 0.3 | undecidable | manual | S | 356 | 94.3389 | 90 | 0.01 | 65 |
IV.ASQU.HHE. | 2018-11-08T05:26:17.83 | 0.1 | undecidable | manual | S | 10 | 90.8424 | 91 | 0.06 | 89 |
IV.ATTE.HHN. | 2018-11-08T05:26:11.10 | 0.3 | undecidable | manual | S | 69 | 65.3901 | 91 | 0.11 | 69 |
IV.TRIF.HHZ. | 2018-11-08T05:26:08.72 | 0.3 | undecidable | manual | S | 284 | 58.0974 | 91 | -0.31 | 66 |
IV.SFI.HNN. | 2018-11-08T05:26:08.57 | 0.3 | undecidable | manual | P | 11 | 103.4187 | 90 | 0.14 | 64 |
IV.CSNT.HHZ. | 2018-11-08T05:26:08.82 | 0.1 | undecidable | manual | S | 335 | 59.0964 | 91 | -0.49 | 83 |
IV.RUFI.EHE. | 2018-11-08T05:26:07.40 | 0.3 | undecidable | manual | P | 356 | 94.3389 | 90 | 0.37 | 62 |
IV.ASQU.HHE. | 2018-11-08T05:26:06.48 | 0.3 | undecidable | manual | P | 10 | 90.8424 | 91 | -0.01 | 66 |
IV.CAFI.HHZ. | 2018-11-08T05:26:05.58 | 0.1 | undecidable | manual | S | 38 | 48.0186 | 91 | -0.76 | 77 |
IV.MURB.HHZ. | 2018-11-08T05:26:05.70 | 0.3 | undecidable | manual | P | 68 | 80.8635 | 91 | 0.74 | 56 |
IV.FROS.HHZ. | 2018-11-08T05:26:04.54 | 0.3 | undecidable | manual | S | 304 | 43.3233 | 91 | -0.56 | 62 |
IV.ATTE.HHN. | 2018-11-08T05:26:02.60 | 0.3 | undecidable | manual | P | 69 | 65.3901 | 91 | 0.03 | 70 |
IV.TRIF.HHZ. | 2018-11-08T05:26:02.28 | 0.3 | undecidable | manual | P | 284 | 58.0974 | 91 | 0.84 | 57 |
IV.CSNT.HHZ. | 2018-11-08T05:26:01.25 | 0.1 | undecidable | manual | P | 335 | 59.0964 | 91 | -0.35 | 87 |
IV.LATE.HHZ. | 2018-11-08T05:26:00.10 | 0.3 | undecidable | manual | P | 158 | 45.0216 | 91 | 0.67 | 61 |
TV.SF01.EHZ. | 2018-11-08T05:25:59.06 | 0.6 | undecidable | manual | S | 188 | 19.9689 | 96 | 0.19 | 48 |
TV.SF14.HHN. | 2018-11-08T05:25:59.67 | 0.1 | undecidable | manual | S | 177 | 26.0517 | 93 | -0.83 | 80 |
IV.RIBO.EHZ.01 | 2018-11-08T05:25:59.82 | 0.3 | undecidable | manual | P | 264 | 45.0216 | 91 | 0.39 | 68 |
IV.MCIV.HHZ. | 2018-11-08T05:25:59.79 | 0.1 | undecidable | manual | S | 165 | 24.2535 | 94 | -0.24 | 97 |
IV.CAFI.HHZ. | 2018-11-08T05:25:59.93 | 0.1 | undecidable | manual | P | 38 | 48.0186 | 91 | 0.04 | 96 |
TV.SF03.EHN. | 2018-11-08T05:25:59.03 | 0.1 | undecidable | manual | S | 161 | 21.9669 | 95 | -0.37 | 94 |
IV.FROS.HHZ. | 2018-11-08T05:25:59.27 | 0.1 | undecidable | manual | P | 304 | 43.3233 | 91 | 0.1 | 96 |
TV.SF13.HHN. | 2018-11-08T05:25:58.35 | 0.1 | undecidable | manual | S | 175 | 19.1697 | 97 | -0.3 | 96 |
IV.ARCI.HHZ. | 2018-11-08T05:25:58.72 | 0.6 | undecidable | manual | S | 213 | 18.2706 | 97 | 0.29 | 48 |
TV.SF11.HHZ. | 2018-11-08T05:25:57.08 | 0.1 | undecidable | manual | S | 154 | 14.9739 | 105 | -0.48 | 94 |
TV.SF04.EHZ. | 2018-11-08T05:25:57.92 | 0.6 | undecidable | manual | S | 164 | 17.871 | 98 | -0.39 | 47 |
TV.SF03.EHN. | 2018-11-08T05:25:56.20 | 0.1 | positive | manual | P | 161 | 21.9669 | 95 | 0.32 | 94 |
TV.SF14.HHN. | 2018-11-08T05:25:56.43 | 0.1 | positive | manual | P | 177 | 26.0517 | 93 | -0.09 | 99 |
IV.MCIV.HHZ. | 2018-11-08T05:25:56.56 | 0.1 | positive | manual | P | 165 | 24.2535 | 94 | 0.32 | 94 |
TV.SF04.EHZ. | 2018-11-08T05:25:55.48 | 0.1 | undecidable | manual | P | 164 | 17.871 | 98 | 0.23 | 97 |
TV.SF01.EHZ. | 2018-11-08T05:25:55.76 | 0.1 | undecidable | manual | P | 188 | 19.9689 | 96 | 0.18 | 98 |
TV.SF13.HHN. | 2018-11-08T05:25:55.76 | 0.1 | positive | manual | P | 175 | 19.1697 | 97 | 0.31 | 95 |
IV.ARCI.HHZ. | 2018-11-08T05:25:55.44 | 0.1 | undecidable | manual | P | 213 | 18.2706 | 97 | 0.12 | 99 |
TV.SF11.HHZ. | 2018-11-08T05:25:54.91 | 0.1 | undecidable | manual | P | 154 | 14.9739 | 105 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ARCI.HHE. | ML:1.8 | 0.00044461414999999997 | 0.16 | AML | other | m | 2018-11-08T05:25:59.66 |
IV.ARCI.HHN. | ML:1.9 | 0.00064587125 | 0.2784 | AML | other | m | 2018-11-08T05:25:59.17 |
IV.MCIV.HHN. | ML:1.6 | 0.00023404075 | 0.176 | AML | other | m | 2018-11-08T05:26:00.08 |
IV.MCIV.HHE. | ML:1.6 | 0.00023514225 | 0.2656 | AML | other | m | 2018-11-08T05:26:01.91 |
IV.FROS.HHN. | ML:1.4 | 0.000084446115 | 0.208 | AML | other | m | 2018-11-08T05:26:07.68 |
IV.FROS.HHE. | ML:1.5 | 0.00010678261499999999 | 0.336 | AML | other | m | 2018-11-08T05:26:07.02 |
IV.RIBO.EHE.01 | ML:1.7 | 0.00013573125 | 0.2208 | AML | other | m | 2018-11-08T05:26:07.00 |