A magnitude ML 1.6 earthquake occured in region: 7 km NW Roccalbegna (GR), on
and geographic coordinates (lat, lon) 42.8310, 11.4610 at 4 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 |
---|---|---|---|---|
Roccalbegna | GR | 7 | 1044 | 1044 |
Arcidosso | GR | 8 | 4285 | 5329 |
Cinigiano | GR | 9 | 2618 | 7947 |
Castel del Piano | GR | 9 | 4690 | 12637 |
Santa Fiora | GR | 10 | 2622 | 15259 |
Semproniano | GR | 13 | 1059 | 16318 |
Seggiano | GR | 13 | 961 | 17279 |
Campagnatico | GR | 16 | 2412 | 19691 |
Abbadia San Salvatore | SI | 19 | 6444 | 26135 |
Scansano | GR | 19 | 4427 | 30562 |
Piancastagnaio | SI | 19 | 4230 | 34792 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2019-01-17 05:39:18 |
42.8313 | 11.4612 | 5 | 2019-08-22 08:25:11 |
Bollettino Sismico Italiano INGV | 70683541 |
Reviewed Rev100 |
ML 1.6 | 2019-01-17 05:39:18 |
42.8383 | 11.4732 | 5 | 2019-01-17 05:45:17 |
Sala Sismica INGV-Roma | 64724941 |
Field | Value |
---|---|
Time (UTC) | 2019-01-17 05:39:18 ± 0.09 |
Latitude | 42.8313 ± 0.0081 |
Longitude | 11.4612 ± 0.0049 |
Depth (km) | 5 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 70683541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 835 |
Semi-minor axis of confidence ellipse (meter) | 407 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 21 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 141 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.02338 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43887 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 64724941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-01-17 05:45:17 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 70683541 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-07-18 14:04:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RIBO.EHZ.01 | 2019-01-17T05:39:30.96 | 0.6 | undecidable | manual | S | 291 | 36.1416 | 97 | -0.5 | 43 |
IV.CASP.HHZ. | 2019-01-17T05:39:28.68 | 0.6 | undecidable | manual | P | 265 | 48.7179 | 50 | 0.09 | 46 |
IV.RIBO.EHZ.01 | 2019-01-17T05:39:26.24 | 0.3 | undecidable | manual | P | 291 | 36.1416 | 97 | 0.12 | 70 |
TV.SF11.HHZ. | 2019-01-17T05:39:25.10 | 0.3 | undecidable | manual | S | 77 | 18.1707 | 104 | -0.22 | 71 |
TV.SF03.EHZ. | 2019-01-17T05:39:25.10 | 0.6 | undecidable | manual | S | 100 | 18.5703 | 104 | -0.34 | 46 |
TV.SF04.EHZ. | 2019-01-17T05:39:24.47 | 0.6 | undecidable | manual | S | 88 | 16.1727 | 106 | -0.19 | 48 |
TV.SF14.HHZ. | 2019-01-17T05:39:23.89 | 0.3 | undecidable | manual | S | 124 | 15.0738 | 107 | -0.39 | 69 |
TV.SF13.HHZ. | 2019-01-17T05:39:23.63 | 0.3 | undecidable | manual | S | 96 | 12.9759 | 109 | 0.05 | 75 |
TV.SF11.HHZ. | 2019-01-17T05:39:22.56 | 0.1 | undecidable | manual | P | 77 | 18.1707 | 104 | -0.01 | 99 |
TV.SF03.EHZ. | 2019-01-17T05:39:22.69 | 0.1 | undecidable | manual | P | 100 | 18.5703 | 104 | 0.05 | 98 |
TV.SF01.EHZ. | 2019-01-17T05:39:22.48 | 0.3 | undecidable | manual | S | 105 | 8.5803 | 118 | 0.3 | 71 |
TV.SF04.EHZ. | 2019-01-17T05:39:22.30 | 0.1 | undecidable | manual | P | 88 | 16.1727 | 106 | 0.11 | 98 |
TV.SF13.HHZ. | 2019-01-17T05:39:21.77 | 0.1 | undecidable | manual | P | 96 | 12.9759 | 109 | 0.2 | 96 |
TV.SF14.HHZ. | 2019-01-17T05:39:21.91 | 0.1 | undecidable | manual | P | 124 | 15.0738 | 107 | -0.06 | 99 |
TV.SF01.EHZ. | 2019-01-17T05:39:20.98 | 0.1 | undecidable | manual | P | 105 | 8.5803 | 118 | 0.22 | 97 |
IV.ARCI.HHZ. | 2019-01-17T05:39:20.54 | 0.3 | undecidable | manual | S | 27 | 2.5974 | 151 | -0.08 | 75 |
IV.ARCI.HHZ. | 2019-01-17T05:39:19.96 | 0.1 | undecidable | manual | P | 27 | 2.5974 | 151 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
TV.SF04.EHE. | ML:1.6 | 0.00038349999999999994 | 1.42 | AML | other | m | 2019-01-17T05:39:25.20 |
TV.SF04.EHN. | ML:1.7 | 0.00048499999999999997 | 0.18 | AML | other | m | 2019-01-17T05:39:25.82 |