A magnitude ML 1.3 (quarry blast) earthquake occured in region: 2 km E Roccalbegna (GR), on
and geographic coordinates (lat, lon) 42.7820, 11.5280 at 0 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Event type: quarry blast.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 | 2 | 1044 | 1044 |
Semproniano | GR | 6 | 1059 | 2103 |
Santa Fiora | GR | 7 | 2622 | 4725 |
Arcidosso | GR | 10 | 4285 | 9010 |
Castel del Piano | GR | 13 | 4690 | 13700 |
Castell'Azzara | GR | 14 | 1476 | 15176 |
Piancastagnaio | SI | 15 | 4230 | 19406 |
Cinigiano | GR | 16 | 2618 | 22024 |
Abbadia San Salvatore | SI | 17 | 6444 | 28468 |
Seggiano | GR | 17 | 961 | 29429 |
Sorano | GR | 19 | 3428 | 32857 |
Scansano | GR | 19 | 4427 | 37284 |
Pitigliano | GR | 20 | 3818 | 41102 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2019-01-02 04:39:50 |
42.7822 | 11.5283 | 1 | 2019-08-22 08:25:02 |
Bollettino Sismico Italiano INGV | 69445861 |
Reviewed Rev100 |
ML 1.1 | 2019-01-02 04:39:50 |
42.8242 | 11.5458 | 8 | 2019-01-02 04:46:50 |
Sala Sismica INGV-Roma | 64436971 |
Field | Value |
---|---|
Time (UTC) | 2019-01-02 04:39:50 ± 0.04 |
Latitude | 42.7822 ± 0.0027 |
Longitude | 11.5283 ± 0.0037 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | quarry blast |
Origin ID | 69445861 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 260 |
Semi-minor axis of confidence ellipse (meter) | 260 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 242 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 111 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45865 |
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 | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 69445861 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-06-12 22:51:43 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 64436971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-01-02 04:46:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
CH.FUSIO.HHZ. | 2019-01-02T04:41:18.34 | 3.0 | undecidable | manual | Sg | 3.97 | 0 | |||
IV.PTCC.HHZ. | 2019-01-02T04:40:21.73 | 3.0 | negative | manual | Pn | -0.92 | 0 | |||
ST.CARE.EHZ. | 2019-01-02T04:40:20.46 | 3.0 | undecidable | manual | Pg | -0.75 | 0 | |||
IV.MAON.HHZ. | 2019-01-02T04:40:00.70 | 0.3 | undecidable | manual | P | 220 | 50.9157 | 91 | -0.08 | 68 |
IV.LATE.HHZ. | 2019-01-02T04:39:56.56 | 0.3 | undecidable | manual | P | 130 | 29.2485 | 91 | 0.13 | 70 |
TV.SF04.EHZ. | 2019-01-02T04:39:52.96 | 0.1 | undecidable | manual | P | 61 | 12.2766 | 92 | -0.08 | 98 |
TV.SF14.HHN. | 2019-01-02T04:39:52.10 | 0.1 | undecidable | manual | P | 113 | 7.6812 | 94 | -0.01 | 100 |
TV.SF13.HHN. | 2019-01-02T04:39:52.24 | 0.1 | undecidable | manual | P | 62 | 8.4804 | 93 | -0.03 | 99 |
IV.ARCI.HHZ. | 2019-01-02T04:39:52.40 | 0.1 | positive | manual | P | 331 | 8.88 | 93 | 0.05 | 99 |
TV.SF01.EHN. | 2019-01-02T04:39:51.48 | 0.1 | undecidable | manual | P | 41 | 4.3956 | 97 | 0.03 | 100 |
GU.CARD.HHZ. | 2019-01-02T04:39:46.41 | 3.0 | positive | manual | P | -8.76 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
TV.SF04.EHE. | ML:1.6 | 0.0006245999 | 1.68 | AML | other | m | 2019-01-02T04:39:55.08 |
TV.SF04.EHN. | ML:1.6 | 0.00055319495 | 0.1792 | AML | other | m | 2019-01-02T04:39:56.20 |
IV.ARCI.HHE. | ML:1.0 | 0.000152145135 | 0.2592 | AML | other | m | 2019-01-02T04:39:56.94 |
IV.ARCI.HHN. | ML:1.0 | 0.00014741450000000002 | 0.2816 | AML | other | m | 2019-01-02T04:39:56.83 |
IV.LATE.HHE. | ML:0.9 | 0.000038474305 | 1.52 | AML | other | m | 2019-01-02T04:40:06.88 |
IV.LATE.HHN. | ML:1.0 | 0.000058310095 | 0.3808 | AML | other | m | 2019-01-02T04:40:07.14 |