A magnitude ML 1.1 (quarry blast) earthquake occured in region: 3 km S Roccastrada (GR), on
and geographic coordinates (lat, lon) 42.9820, 11.1630 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 |
---|---|---|---|---|
Roccastrada | GR | 3 | 9199 | 9199 |
Civitella Paganico | GR | 10 | 3154 | 12353 |
Campagnatico | GR | 14 | 2412 | 14765 |
Monticiano | SI | 18 | 1571 | 16336 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2019-12-06 09:26:39 |
42.982 | 11.1633 | 1 | 2020-02-28 16:42:21 |
Bollettino Sismico Italiano INGV | 75914421 |
Reviewed Rev100 |
ML 1.1 | 2019-12-06 09:26:39 |
43.0008 | 11.1795 | 3 | 2019-12-06 16:31:54 |
Sala Sismica INGV-Roma | 74382381 |
Field | Value |
---|---|
Time (UTC) | 2019-12-06 09:26:39 ± 0.15 |
Latitude | 42.9820 ± 0.0108 |
Longitude | 11.1633 ± 0.0111 |
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 | 75914421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1260 |
Semi-minor axis of confidence ellipse (meter) | 870 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 20 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 113 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.09173 |
Epicentral distance of station farthest from the epicenter (degree) | 0.55398 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 75914421 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-01-27 15:59:43 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 74382381 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-12-06 16:31:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MAON.HHN. | 2019-12-06T09:26:51.61 | 0.3 | undecidable | manual | P | 182 | 61.494 | 50 | -0.14 | 72 |
TV.SF04.EHZ. | 2019-12-06T09:26:48.12 | 0.1 | undecidable | manual | P | 112 | 43.5231 | 91 | -0.1 | 100 |
TV.SF01.EHZ. | 2019-12-06T09:26:47.13 | 0.3 | undecidable | manual | P | 120 | 37.5291 | 91 | 0.09 | 76 |
IV.CASP.HHZ. | 2019-12-06T09:26:45.49 | 0.3 | undecidable | manual | P | 229 | 32.2455 | 91 | -0.47 | 71 |
IV.ARCI.HHZ. | 2019-12-06T09:26:45.69 | 0.3 | undecidable | manual | P | 120 | 29.1486 | 91 | 0.34 | 73 |
IV.TRIF.CHZ. | 2019-12-06T09:26:45.10 | 0.3 | undecidable | manual | P | 305 | 25.752 | 91 | 0.44 | 72 |
IV.FROS.CHZ. | 2019-12-06T09:26:44.17 | 0.3 | undecidable | manual | P | 359 | 25.2525 | 91 | -0.4 | 73 |
IV.RIBO.EHZ.01 | 2019-12-06T09:26:41.80 | 0.3 | undecidable | manual | P | 249 | 10.1787 | 93 | 0.26 | 77 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ARCI.HHN. | ML:1.0 | 0.000050799999999999995 | 0.22 | AML | other | m | 2019-12-06T09:26:49.88 |
IV.FROS.CHE. | ML:1.1 | 0.0000853 | 0.34 | AML | other | m | 2019-12-06T09:26:50.24 |
IV.ARCI.HHE. | ML:1.0 | 0.000048799999999999994 | 0.42 | AML | other | m | 2019-12-06T09:26:50.40 |
IV.FROS.CHN. | ML:1.1 | 0.0000842 | 1.3 | AML | other | m | 2019-12-06T09:26:51.76 |
IV.TRIF.CHE. | ML:1.2 | 0.00009635000000000001 | 0.76 | AML | other | m | 2019-12-06T09:26:54.55 |
TV.SF04.EHE. | ML:1.2 | 0.00004563599500000001 | 1.184 | AML | other | m | 2019-12-06T09:26:54.65 |
IV.TRIF.CHN. | ML:1.2 | 0.00008979999999999999 | 0.68 | AML | other | m | 2019-12-06T09:26:54.75 |
TV.SF04.EHN. | ML:1.2 | 0.000053432745 | 0.224 | AML | other | m | 2019-12-06T09:26:57.36 |