A magnitude ML 1.8 earthquake occured in region: 5 km W Semproniano (GR), on
and geographic coordinates (lat, lon) 42.7320, 11.4870 at 8 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 |
---|---|---|---|---|
Semproniano | GR | 5 | 1059 | 1059 |
Roccalbegna | GR | 6 | 1044 | 2103 |
Scansano | GR | 13 | 4427 | 6530 |
Santa Fiora | GR | 14 | 2622 | 9152 |
Manciano | GR | 16 | 7354 | 16506 |
Arcidosso | GR | 16 | 4285 | 20791 |
Castell'Azzara | GR | 18 | 1476 | 22267 |
Pitigliano | GR | 18 | 3818 | 26085 |
Castel del Piano | GR | 19 | 4690 | 30775 |
Cinigiano | GR | 19 | 2618 | 33393 |
Sorano | GR | 19 | 3428 | 36821 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2019-02-17 16:53:34 |
42.7323 | 11.4872 | 8 | 2019-08-22 08:24:59 |
Bollettino Sismico Italiano INGV | 68380631 |
Reviewed Rev100 |
ML 1.8 | 2019-02-17 16:53:34 |
42.7355 | 11.4943 | 8 | 2019-02-17 17:27:50 |
Sala Sismica INGV-Roma | 65631781 |
Field | Value |
---|---|
Time (UTC) | 2019-02-17 16:53:34 ± 0.12 |
Latitude | 42.7323 ± 0.0072 |
Longitude | 11.4872 ± 0.0135 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 68380631 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1077 |
Semi-minor axis of confidence ellipse (meter) | 770 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 76 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1080.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 161 |
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) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.09623 |
Epicentral distance of station farthest from the epicenter (degree) | 0.57377 |
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 | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 68380631 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-07-19 13:44:37 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 65631781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-02-17 17:27:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TRIF.CHE. | 2019-02-17T16:53:46.79 | 0.1 | undecidable | manual | P | 312 | 63.6918 | 50 | 0.26 | 88 |
IV.FROS.CHE. | 2019-02-17T16:53:45.84 | 0.3 | undecidable | manual | P | 333 | 59.3961 | 50 | -0.03 | 70 |
IV.CASP.HHE. | 2019-02-17T16:53:44.17 | 0.1 | undecidable | manual | P | 278 | 51.1155 | 50 | -0.41 | 87 |
TV.SF11.HHZ. | 2019-02-17T16:53:42.38 | 0.6 | undecidable | manual | S | 46 | 21.7671 | 109 | -0.44 | 45 |
IV.MCIV.CHZ. | 2019-02-17T16:53:41.07 | 0.3 | undecidable | manual | S | 72 | 16.2726 | 115 | 0.01 | 75 |
TV.SF04.EHZ. | 2019-02-17T16:53:41.47 | 0.6 | undecidable | manual | S | 51 | 18.1707 | 112 | -0.2 | 48 |
TV.SF03.EHZ. | 2019-02-17T16:53:41.49 | 0.6 | undecidable | manual | S | 64 | 17.9709 | 113 | -0.11 | 49 |
TV.SF13.HHZ. | 2019-02-17T16:53:40.44 | 0.6 | undecidable | manual | S | 48 | 14.3745 | 118 | -0.04 | 50 |
IV.LATE.HHZ. | 2019-02-17T16:53:40.81 | 0.3 | undecidable | manual | P | 117 | 29.0487 | 105 | -0.03 | 73 |
TV.SF01.EHZ. | 2019-02-17T16:53:39.42 | 0.6 | undecidable | manual | S | 35 | 10.7781 | 125 | 0.02 | 51 |
TV.SF11.HHZ. | 2019-02-17T16:53:39.44 | 0.3 | undecidable | manual | P | 46 | 21.7671 | 109 | -0.01 | 75 |
TV.SF14.HHZ. | 2019-02-17T16:53:39.07 | 0.6 | undecidable | manual | S | 76 | 10.6782 | 125 | -0.31 | 48 |
TV.SF03.EHZ. | 2019-02-17T16:53:38.95 | 0.1 | negative | manual | P | 64 | 17.9709 | 113 | 0.21 | 96 |
TV.SF04.EHZ. | 2019-02-17T16:53:38.91 | 0.1 | negative | manual | P | 51 | 18.1707 | 112 | 0.13 | 98 |
IV.MCIV.CHZ. | 2019-02-17T16:53:38.70 | 0.1 | negative | manual | P | 72 | 16.2726 | 115 | 0.27 | 95 |
TV.SF13.HHZ. | 2019-02-17T16:53:38.24 | 0.1 | negative | manual | P | 48 | 14.3745 | 118 | 0.14 | 98 |
TV.SF01.EHZ. | 2019-02-17T16:53:37.55 | 0.1 | negative | manual | P | 35 | 10.7781 | 125 | 0.08 | 100 |
TV.SF14.HHZ. | 2019-02-17T16:53:37.33 | 0.1 | positive | manual | P | 76 | 10.6782 | 125 | -0.13 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
TV.SF01.EHE. | ML:1.9 | 0.0010645 | 1.74 | AML | other | m | 2019-02-17T16:53:39.92 |
TV.SF01.EHN. | ML:1.9 | 0.0010025 | 1.72 | AML | other | m | 2019-02-17T16:53:39.07 |
IV.MCIV.CHE. | ML:1.8 | 0.0006959850000000001 | 0.256 | AML | other | m | 2019-02-17T16:53:41.94 |
IV.MCIV.CHN. | ML:1.7 | 0.00051 | 1.14 | AML | other | m | 2019-02-17T16:53:42.83 |
TV.SF04.EHN. | ML:2.2 | 0.0012490245 | 0.1408 | AML | other | m | 2019-02-17T16:53:42.62 |
TV.SF04.EHE. | ML:2.1 | 0.0011788349999999998 | 0.2688 | AML | other | m | 2019-02-17T16:53:44.29 |
IV.LATE.HHE. | ML:1.3 | 0.0001102 | 0.88 | AML | other | m | 2019-02-17T16:53:50.32 |
IV.LATE.HHN. | ML:1.5 | 0.00017076144999999998 | 0.32 | AML | other | m | 2019-02-17T16:53:50.89 |