A magnitude ML 1.3 earthquake occured in region: 4 km SW San Quirico d'Orcia (SI), on
and geographic coordinates (lat, lon) 43.0320, 11.5830 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 |
---|---|---|---|---|
San Quirico d'Orcia | SI | 4 | 2662 | 2662 |
Castiglione d'Orcia | SI | 4 | 2346 | 5008 |
Montalcino | SI | 8 | 5093 | 10101 |
Pienza | SI | 9 | 2107 | 12208 |
Seggiano | GR | 12 | 961 | 13169 |
San Giovanni d'Asso | SI | 14 | 853 | 14022 |
Buonconvento | SI | 14 | 3173 | 17195 |
Castel del Piano | GR | 16 | 4690 | 21885 |
Montepulciano | SI | 18 | 14097 | 35982 |
Arcidosso | GR | 18 | 4285 | 40267 |
Abbadia San Salvatore | SI | 18 | 6444 | 46711 |
Trequanda | SI | 19 | 1254 | 47965 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2018-03-28 20:59:58 |
43.0323 | 11.5828 | 10 | 2018-03-28 21:18:49 |
Sala Sismica INGV-Roma | 54910381 |
Field | Value |
---|---|
Time (UTC) | 2018-03-28 20:59:58 ± 0.15 |
Latitude | 43.0323 ± 0.0081 |
Longitude | 11.5828 ± 0.0123 |
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 | 54910381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 998 |
Semi-minor axis of confidence ellipse (meter) | 787 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 93 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1000.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 84 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.64481 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 54910381 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-03-28 21:18:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CPGN.EHZ. | 2018-03-28T21:00:19.34 | 3.0 | undecidable | manual | P | 0 | 0 | |||
IV.OSSC.HNE. | 2018-03-28T21:00:16.74 | 3.0 | undecidable | manual | P | 60.8946 | 7.18 | 0 | ||
IV.CAFI.HHE. | 2018-03-28T21:00:13.05 | 0.6 | undecidable | manual | S | 43 | 45.2214 | 50 | -0.39 | 44 |
IV.CRE.HHN. | 2018-03-28T21:00:11.65 | 0.1 | undecidable | manual | P | 24 | 71.5728 | 50 | 0.45 | 84 |
IV.MCIV.HHZ. | 2018-03-28T21:00:09.23 | 0.6 | undecidable | manual | S | 165 | 29.1486 | 50 | 0.08 | 49 |
IV.MGAB.HHZ. | 2018-03-28T21:00:09.90 | 3.0 | undecidable | manual | P | 44.9217 | 2.8 | 0 | ||
TV.SF03.EHZ. | 2018-03-28T21:00:08.55 | 0.6 | undecidable | manual | S | 162 | 26.751 | 109 | 0.14 | 49 |
TV.SF01.EHZ. | 2018-03-28T21:00:08.33 | 0.6 | undecidable | manual | S | 184 | 24.4533 | 111 | 0.67 | 42 |
IV.RIBO.EHZ.01 | 2018-03-28T21:00:07.20 | 0.1 | undecidable | manual | P | 258 | 44.5221 | 50 | 0.17 | 94 |
IV.ARCI.HHZ. | 2018-03-28T21:00:06.89 | 0.6 | undecidable | manual | S | 204 | 21.867 | 113 | 0.09 | 50 |
IV.SACS.HHZ. | 2018-03-28T21:00:06.24 | 0.1 | undecidable | manual | P | 127 | 33.4443 | 50 | 0.92 | 75 |
IV.FROS.HHZ. | 2018-03-28T21:00:06.18 | 0.1 | undecidable | manual | P | 300 | 39.7269 | 50 | -0.12 | 95 |
TV.SF04.EHZ. | 2018-03-28T21:00:06.51 | 0.6 | undecidable | manual | S | 164 | 22.6551 | 113 | -0.57 | 44 |
TV.SF13.HHZ. | 2018-03-28T21:00:06.94 | 0.6 | undecidable | manual | S | 173 | 23.9538 | 112 | -0.53 | 45 |
IV.CAFI.HHE. | 2018-03-28T21:00:06.70 | 0.1 | undecidable | manual | P | 43 | 45.2214 | 50 | -0.44 | 88 |
TV.SF11.HHZ. | 2018-03-28T21:00:05.92 | 0.6 | undecidable | manual | S | 157 | 19.7691 | 116 | -0.23 | 48 |
TV.SF03.EHZ. | 2018-03-28T21:00:04.24 | 0.1 | undecidable | manual | P | 162 | 26.751 | 109 | 0 | 100 |
IV.MCIV.HHZ. | 2018-03-28T21:00:04.56 | 0.1 | undecidable | manual | P | 165 | 29.1486 | 50 | -0.1 | 97 |
TV.SF14.HHZ. | 2018-03-28T21:00:04.40 | 0.1 | undecidable | manual | P | 175 | 30.8469 | 50 | -0.53 | 88 |
TV.SF04.EHZ. | 2018-03-28T21:00:03.62 | 0.1 | undecidable | manual | P | 164 | 22.6551 | 113 | 0.14 | 98 |
TV.SF13.HHZ. | 2018-03-28T21:00:03.73 | 0.1 | undecidable | manual | P | 173 | 23.9538 | 112 | 0.03 | 100 |
TV.SF01.EHZ. | 2018-03-28T21:00:03.68 | 0.1 | undecidable | manual | P | 184 | 24.4533 | 111 | -0.13 | 98 |
TV.SF11.HHZ. | 2018-03-28T21:00:03.20 | 0.1 | undecidable | manual | P | 157 | 19.7691 | 116 | 0.27 | 96 |
IV.ARCI.HHZ. | 2018-03-28T21:00:03.25 | 0.1 | undecidable | manual | P | 204 | 21.867 | 113 | -0.06 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MCIV.HHE. | ML:1.2 | 0.00006884999999999999 | 0.7 | AML | other | m | 2018-03-28T21:00:10.85 |
TV.SF01.EHN. | ML:1.5 | 0.00020725 | 1.2 | AML | other | m | 2018-03-28T21:00:08.17 |
IV.MCIV.HHN. | ML:1.1 | 0.0000599 | 0.42 | AML | other | m | 2018-03-28T21:00:09.37 |
IV.ARCI.HHN. | ML:1.0 | 0.00007430874500000001 | 0.2688 | AML | other | m | 2018-03-28T21:00:07.42 |
IV.ARCI.HHE. | ML:0.8 | 0.000037987245000000004 | 0 | AML | other | m | 2018-03-28T21:00:07.52 |
TV.SF04.EHN. | ML:1.5 | 0.0002174243 | 0.256 | AML | other | m | 2018-03-28T21:00:06.71 |
TV.SF04.EHE. | ML:1.9 | 0.00051397715 | 0.192 | AML | other | m | 2018-03-28T21:00:07.69 |
TV.SF01.EHE. | ML:1.4 | 0.00013800000000000002 | 0.32 | AML | other | m | 2018-03-28T21:00:08.32 |