A magnitude ML 1.3 earthquake occured in region: 4 km W Castiglione d'Orcia (SI), on
and geographic coordinates (lat, lon) 43.0080, 11.5640 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 |
---|---|---|---|---|
Castiglione d'Orcia | SI | 4 | 2346 | 2346 |
San Quirico d'Orcia | SI | 7 | 2662 | 5008 |
Montalcino | SI | 8 | 5093 | 10101 |
Seggiano | GR | 9 | 961 | 11062 |
Pienza | SI | 12 | 2107 | 13169 |
Castel del Piano | GR | 13 | 4690 | 17859 |
Arcidosso | GR | 15 | 4285 | 22144 |
Buonconvento | SI | 16 | 3173 | 25317 |
San Giovanni d'Asso | SI | 16 | 853 | 26170 |
Abbadia San Salvatore | SI | 17 | 6444 | 32614 |
Cinigiano | GR | 19 | 2618 | 35232 |
Santa Fiora | GR | 20 | 2622 | 37854 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2018-03-28 08:33:09 |
43.0083 | 11.5635 | 10 | 2018-03-28 08:40:37 |
Sala Sismica INGV-Roma | 54896351 |
Field | Value |
---|---|
Time (UTC) | 2018-03-28 08:33:09 ± 0.43 |
Latitude | 43.0083 ± 0.0198 |
Longitude | 11.5635 ± 0.0221 |
Depth (km) | 10 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 54896351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2528 |
Semi-minor axis of confidence ellipse (meter) | 1003 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 215 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2530.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.45 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.55578 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 54896351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-03-28 08:40:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMUR.HNZ. | 2018-03-28T08:33:44.94 | 3.0 | undecidable | manual | S | -0.74 | 0 | |||
IV.ATMI.HHZ. | 2018-03-28T08:33:28.61 | 3.0 | undecidable | manual | S | -0.15 | 0 | |||
IV.FROS.HHN. | 2018-03-28T08:33:22.08 | 0.6 | undecidable | manual | S | 304 | 39.8268 | 50 | -0.3 | 49 |
IV.RIBO.EHN. | 2018-03-28T08:33:22.95 | 0.6 | undecidable | manual | S | 261 | 42.4242 | 50 | -0.13 | 51 |
IV.CASP.HHE. | 2018-03-28T08:33:21.13 | 0.1 | undecidable | manual | P | 247 | 61.6938 | 50 | 1.02 | 73 |
IV.SACS.HHZ. | 2018-03-28T08:33:21.05 | 0.6 | undecidable | manual | S | 122 | 33.2445 | 50 | 0.44 | 48 |
IV.CRE.HHZ. | 2018-03-28T08:33:21.17 | 3.0 | undecidable | manual | Pg | 0.19 | 0 | |||
IV.MCIV.HHZ. | 2018-03-28T08:33:18.81 | 0.6 | undecidable | manual | S | 160 | 27.0507 | 50 | -0.17 | 52 |
TV.SF01.EHZ. | 2018-03-28T08:33:17.58 | 0.3 | undecidable | manual | S | 180 | 21.7671 | 115 | 0.19 | 78 |
IV.FROS.HHN. | 2018-03-28T08:33:17.04 | 0.1 | undecidable | manual | P | 304 | 39.8268 | 50 | 0.29 | 99 |
IV.ARCI.HHZ. | 2018-03-28T08:33:17.03 | 0.6 | undecidable | manual | S | 202 | 18.7701 | 118 | 0.58 | 47 |
IV.CAFI.HHZ. | 2018-03-28T08:33:16.47 | 3.0 | negative | manual | P | 0 | 0 | |||
IV.SACS.HHZ. | 2018-03-28T08:33:16.52 | 1.0 | positive | manual | P | 122 | 33.2445 | 50 | 0.79 | 21 |
IV.RIBO.EHN. | 2018-03-28T08:33:16.73 | 0.1 | undecidable | manual | P | 261 | 42.4242 | 50 | -0.43 | 95 |
IV.MCIV.HHZ. | 2018-03-28T08:33:14.22 | 0.1 | positive | manual | P | 160 | 27.0507 | 50 | -0.56 | 94 |
TV.SF01.EHZ. | 2018-03-28T08:33:13.48 | 0.6 | negative | manual | P | 180 | 21.7671 | 115 | -0.39 | 50 |
IV.ARCI.HHZ. | 2018-03-28T08:33:12.93 | 0.1 | undecidable | manual | P | 202 | 18.7701 | 118 | -0.4 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ARCI.HHN. | ML:1.4 | 0.0001840772 | 0.224 | AML | other | m | 2018-03-28T08:33:17.91 |
IV.ARCI.HHE. | ML:1.1 | 0.0001062516 | 0.1792 | AML | other | m | 2018-03-28T08:33:17.78 |
TV.SF01.EHE. | ML:1.5 | 0.00022887645 | 0.3008 | AML | other | m | 2018-03-28T08:33:17.92 |
TV.SF01.EHN. | ML:1.7 | 0.00034882675 | 0.2624 | AML | other | m | 2018-03-28T08:33:17.77 |
IV.MCIV.HHN. | ML:1.2 | 0.00009396599999999999 | 0.3392 | AML | other | m | 2018-03-28T08:33:20.68 |
IV.MCIV.HHE. | ML:1.3 | 0.00010399314000000002 | 0.192 | AML | other | m | 2018-03-28T08:33:20.46 |
IV.CAFI.HHE. | ML:1.3 | 0.00005920459 | 0.32 | AML | other | m | 2018-03-28T08:33:22.91 |
IV.CAFI.HHN. | ML:1.0 | 0.000031252709999999994 | 0.3008 | AML | other | m | 2018-03-28T08:33:23.40 |
IV.CAFI.HNN. | ML:1.1 | 0.000034091025 | 0.2176 | AML | other | m | 2018-03-28T08:33:22.92 |
IV.CAFI.HNE. | ML:1.3 | 0.000059282855000000005 | 0.32 | AML | other | m | 2018-03-28T08:33:22.92 |
IV.CRE.HHE. | ML:1.0 | 0.00001633646 | 0.6016 | AML | other | m | 2018-03-28T08:33:36.67 |
IV.CRE.HHN. | ML:1.1 | 0.000019461930000000003 | 0.3008 | AML | other | m | 2018-03-28T08:33:33.42 |