A magnitude ML 1.3 earthquake occured in region: 3 km S San Quirico d'Orcia (SI), on
and geographic coordinates (lat, lon) 43.0370, 11.6060 at 10 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 |
---|---|---|---|---|
San Quirico d'Orcia | SI | 3 | 2662 | 2662 |
Castiglione d'Orcia | SI | 4 | 2346 | 5008 |
Pienza | SI | 8 | 2107 | 7115 |
Montalcino | SI | 10 | 5093 | 12208 |
Seggiano | GR | 13 | 961 | 13169 |
San Giovanni d'Asso | SI | 13 | 853 | 14022 |
Buonconvento | SI | 15 | 3173 | 17195 |
Montepulciano | SI | 16 | 14097 | 31292 |
Castel del Piano | GR | 17 | 4690 | 35982 |
Trequanda | SI | 18 | 1254 | 37236 |
Abbadia San Salvatore | SI | 18 | 6444 | 43680 |
Chianciano Terme | SI | 19 | 7105 | 50785 |
Arcidosso | GR | 19 | 4285 | 55070 |
Torrita di Siena | SI | 20 | 7434 | 62504 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2018-03-28 06:38:34 |
43.0368 | 11.6062 | 10 | 2019-04-24 14:49:46 |
Bollettino Sismico Italiano INGV | 65277711 |
Reviewed Rev100 |
ML 1.3 | 2018-03-28 06:38:34 |
43.0353 | 11.6118 | 11 | 2018-03-28 06:54:16 |
Sala Sismica INGV-Roma | 54893881 |
Field | Value |
---|---|
Time (UTC) | 2018-03-28 06:38:34 ± 0.2 |
Latitude | 43.0368 ± 0.0117 |
Longitude | 11.6062 ± 0.0172 |
Depth (km) | 10 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 65277711 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1368 |
Semi-minor axis of confidence ellipse (meter) | 1176 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 279 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.17627 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39300 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 54893881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-03-28 06:54:16 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 65277711 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-02-06 10:21:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAFI.HHE. | 2018-03-28T06:38:48.17 | 0.3 | undecidable | manual | S | 42 | 43.623 | 50 | -0.45 | 66 |
IV.ARCI.HHZ. | 2018-03-28T06:38:43.05 | 0.6 | undecidable | manual | S | 207 | 23.0547 | 113 | 0.15 | 49 |
TV.SF03.EHE. | 2018-03-28T06:38:43.51 | 0.3 | undecidable | manual | S | 166 | 26.751 | 110 | -0.57 | 66 |
TV.SF01.EHZ. | 2018-03-28T06:38:43.79 | 0.6 | undecidable | manual | S | 188 | 25.1526 | 111 | 0.22 | 48 |
IV.SACS.HNE. | 2018-03-28T06:38:42.12 | 0.3 | undecidable | manual | P | 130 | 32.2455 | 50 | 1.33 | 46 |
IV.CAFI.HHE. | 2018-03-28T06:38:42.46 | 0.1 | undecidable | manual | P | 42 | 43.623 | 50 | -0.07 | 96 |
TV.SF04.EHZ. | 2018-03-28T06:38:42.31 | 0.6 | undecidable | manual | S | 169 | 22.755 | 113 | -0.48 | 46 |
TV.SF13.HHZ. | 2018-03-28T06:38:42.76 | 0.3 | undecidable | manual | S | 177 | 24.2535 | 112 | -0.51 | 68 |
IV.FROS.HHZ. | 2018-03-28T06:38:41.99 | 0.3 | undecidable | manual | P | 298 | 41.1255 | 50 | -0.17 | 71 |
TV.SF11.HHZ. | 2018-03-28T06:38:41.56 | 0.6 | undecidable | manual | S | 162 | 19.5693 | 116 | -0.22 | 48 |
IV.MCIV.HHZ. | 2018-03-28T06:38:40.44 | 0.1 | positive | manual | P | 169 | 29.2485 | 50 | 0.12 | 97 |
TV.SF03.EHE. | 2018-03-28T06:38:40.13 | 0.1 | undecidable | manual | P | 166 | 26.751 | 110 | 0.22 | 96 |
TV.SF14.HHN. | 2018-03-28T06:38:40.29 | 0.1 | undecidable | manual | P | 179 | 31.2465 | 50 | -0.34 | 92 |
TV.SF01.EHZ. | 2018-03-28T06:38:39.60 | 0.1 | undecidable | manual | P | 188 | 25.1526 | 111 | -0.02 | 100 |
TV.SF13.HHZ. | 2018-03-28T06:38:39.65 | 0.1 | undecidable | manual | P | 177 | 24.2535 | 112 | 0.21 | 96 |
IV.ARCI.HHZ. | 2018-03-28T06:38:39.17 | 0.1 | positive | manual | P | 207 | 23.0547 | 113 | -0.06 | 100 |
TV.SF04.EHZ. | 2018-03-28T06:38:39.48 | 0.1 | negative | manual | P | 169 | 22.755 | 113 | 0.32 | 94 |
TV.SF11.HHZ. | 2018-03-28T06:38:38.90 | 0.1 | undecidable | manual | P | 162 | 19.5693 | 116 | 0.32 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
TV.SF04.EHN. | ML:1.6 | 0.00025867364999999996 | 0.5024 | AML | other | m | 2018-03-28T06:38:42.40 |
TV.SF04.EHE. | ML:1.8 | 0.00041815495 | 0.1792 | AML | other | m | 2018-03-28T06:38:43.50 |
IV.ARCI.HHE. | ML:1.0 | 0.00006217802 | 0.2208 | AML | other | m | 2018-03-28T06:38:44.11 |
IV.ARCI.HHN. | ML:1.2 | 0.0000915675 | 0.24 | AML | other | m | 2018-03-28T06:38:44.12 |
TV.SF01.EHN. | ML:1.5 | 0.0001676574 | 1.28 | AML | other | m | 2018-03-28T06:38:44.99 |
IV.MCIV.HHN. | ML:1.0 | 0.00004692923 | 0.304 | AML | other | m | 2018-03-28T06:38:45.18 |