A magnitude ML 1.0 (quarry blast) earthquake occured in region: 3 km W Sellano (PG), on
and geographic coordinates (lat, lon) 42.8930, 12.8940 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 |
---|---|---|---|---|
Sellano | PG | 3 | 1079 | 1079 |
Cerreto di Spoleto | PG | 8 | 1075 | 2154 |
Preci | PG | 12 | 724 | 2878 |
Trevi | PG | 12 | 8469 | 11347 |
Campello sul Clitunno | PG | 12 | 2442 | 13789 |
Vallo di Nera | PG | 14 | 364 | 14153 |
Monte Cavallo | MC | 14 | 145 | 14298 |
Visso | MC | 17 | 1107 | 15405 |
Foligno | PG | 17 | 57155 | 72560 |
Sant'Anatolia di Narco | PG | 18 | 564 | 73124 |
Castel Ritaldi | PG | 20 | 3278 | 76402 |
Montefalco | PG | 20 | 5679 | 82081 |
Norcia | PG | 20 | 4957 | 87038 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2019-08-23 09:11:57 |
42.8933 | 12.894 | 1 | 2019-11-13 14:31:07 |
Bollettino Sismico Italiano INGV | 73383141 |
Reviewed Rev100 |
ML 1.2 | 2019-08-23 09:11:56 |
42.8577 | 12.906 | 8 | 2019-08-23 09:16:13 |
Sala Sismica INGV-Roma | 71733671 |
Field | Value |
---|---|
Time (UTC) | 2019-08-23 09:11:57 ± 0.19 |
Latitude | 42.8933 ± 0.0108 |
Longitude | 12.8940 ± 0.0172 |
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 | 73383141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1440 |
Semi-minor axis of confidence ellipse (meter) | 1120 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 296 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1440.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 75 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.45 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.46135 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 73383141 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-10-22 00:52:39 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 71733671 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-08-23 09:16:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCIV.CHZ. | 2019-08-23T09:12:26.24 | 3.0 | undecidable | manual | S | -0.58 | 0 | |||
IV.EL6.EHZ. | 2019-08-23T09:12:06.44 | 0.3 | undecidable | manual | P | 19 | 51.2154 | 91 | -1 | 54 |
IV.LNSS.HNZ. | 2019-08-23T09:12:04.31 | 0.1 | undecidable | manual | P | 160 | 34.3434 | 91 | 0.24 | 96 |
IV.MOMA.HNZ. | 2019-08-23T09:12:03.23 | 0.3 | undecidable | manual | P | 249 | 28.1496 | 91 | 0.41 | 71 |
IV.CSP1.EHZ. | 2019-08-23T09:12:03.42 | 0.1 | undecidable | manual | P | 49 | 33.4443 | 91 | -0.47 | 92 |
IV.ASSB.HHZ. | 2019-08-23T09:12:02.21 | 0.3 | undecidable | manual | P | 311 | 25.2525 | 91 | -0.03 | 77 |
IV.MC2.EHZ. | 2019-08-23T09:12:02.46 | 0.3 | undecidable | manual | P | 85 | 24.0537 | 91 | 0.46 | 70 |
IV.FDMO.HHZ. | 2019-08-23T09:12:01.74 | 0.3 | undecidable | manual | P | 45 | 22.3554 | 91 | 0.09 | 76 |
IV.GAVE.EHZ. | 2019-08-23T09:12:00.69 | 0.3 | undecidable | manual | P | 180 | 22.3554 | 91 | -0.96 | 58 |
IV.FEMA.HNE. | 2019-08-23T09:12:00.41 | 0.3 | undecidable | manual | P | 59 | 14.7741 | 92 | 0.27 | 74 |
IT.MTCL.HGZ. | 2019-08-23T09:12:00.24 | 0.3 | undecidable | manual | P | 37 | 14.0748 | 92 | 0.24 | 75 |
IV.CESI.HHZ. | 2019-08-23T09:11:59.92 | 0.1 | undecidable | manual | P | 4 | 12.3765 | 92 | 0.26 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHN. | ML:1.5 | 0.0004955000000000001 | 0.38 | AML | other | m | 2019-08-23T09:12:03.22 |
IV.CESI.HHE. | ML:1.4 | 0.00033800000000000003 | 0.26 | AML | other | m | 2019-08-23T09:12:03.73 |
IV.FDMO.HHN. | ML:0.7 | 0.00004149999999999999 | 0.48 | AML | other | m | 2019-08-23T09:12:07.87 |
IV.ASSB.HHN. | ML:0.9 | 0.0000541 | 0.44 | AML | other | m | 2019-08-23T09:12:08.32 |
IV.GAVE.EHE. | ML:1.0 | 0.00008104999999999999 | 1.34 | AML | other | m | 2019-08-23T09:12:08.86 |
IV.FDMO.HHE. | ML:0.8 | 0.0000475 | 0.26 | AML | other | m | 2019-08-23T09:12:09.53 |
IV.GAVE.EHN. | ML:1.1 | 0.0000981 | 0.4 | AML | other | m | 2019-08-23T09:12:10.08 |
IV.ASSB.HHE. | ML:0.8 | 0.00004514999999999999 | 0.58 | AML | other | m | 2019-08-23T09:12:11.00 |