A magnitude ML 1.2 (quarry blast) earthquake occured in region: 5 km NE Trevi (PG), on
and geographic coordinates (lat, lon) 42.9170, 12.7700 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 |
---|---|---|---|---|
Trevi | PG | 5 | 8469 | 8469 |
Foligno | PG | 7 | 57155 | 65624 |
Montefalco | PG | 10 | 5679 | 71303 |
Campello sul Clitunno | PG | 11 | 2442 | 73745 |
Spello | PG | 12 | 8645 | 82390 |
Castel Ritaldi | PG | 13 | 3278 | 85668 |
Sellano | PG | 13 | 1079 | 86747 |
Bevagna | PG | 13 | 5081 | 91828 |
Valtopina | PG | 16 | 1398 | 93226 |
Cerreto di Spoleto | PG | 16 | 1075 | 94301 |
Gualdo Cattaneo | PG | 17 | 6155 | 100456 |
Cannara | PG | 18 | 4305 | 104761 |
Vallo di Nera | PG | 18 | 364 | 105125 |
Giano dell'Umbria | PG | 18 | 3846 | 108971 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-02-02 12:55:26 |
42.9167 | 12.7705 | 1 | 2021-07-12 16:55:01 |
Bollettino Sismico Italiano INGV | 88004311 |
Reviewed Rev100 |
ML 1.3 | 2021-02-02 12:55:26 |
42.9245 | 12.7417 | 10 | 2021-02-02 13:09:37 |
Sala Sismica INGV-Roma | 86784731 |
Field | Value |
---|---|
Time (UTC) | 2021-02-02 12:55:26 ± 0.15 |
Latitude | 42.9167 ± 0.0090 |
Longitude | 12.7705 ± 0.0123 |
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 | 88004311 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1040 |
Semi-minor axis of confidence ellipse (meter) | 1000 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 355 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1040.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 84 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47754 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 88004311 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-11 14:52:31 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 86784731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-02 13:09:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIR.HHZ. | 2021-02-02T12:56:13.15 | 3.0 | undecidable | manual | S | 0.47 | 0 | |||
IV.VIVA.HHZ. | 2021-02-02T12:56:05.52 | 3.0 | undecidable | manual | S | -0.45 | 0 | |||
IV.PE3.EHZ. | 2021-02-02T12:55:42.72 | 3.0 | undecidable | manual | P | -0.42 | 0 | |||
IV.EL6.EHZ. | 2021-02-02T12:55:36.30 | 0.3 | undecidable | manual | P | 30 | 53.0025 | 91 | -0.93 | 54 |
IV.CSP1.EHZ. | 2021-02-02T12:55:34.63 | 0.1 | undecidable | manual | P | 61 | 40.2264 | 91 | -0.04 | 97 |
IV.MML1.HNZ. | 2021-02-02T12:55:32.04 | 0.3 | undecidable | manual | P | 37 | 27.2505 | 91 | -0.03 | 74 |
IV.NRCA.HNZ. | 2021-02-02T12:55:32.42 | 0.3 | undecidable | manual | P | 108 | 29.4483 | 91 | -0.08 | 73 |
IV.GAVE.HNZ. | 2021-02-02T12:55:32.11 | 0.3 | undecidable | manual | P | 158 | 26.8509 | 91 | 0.12 | 73 |
IV.CESI.HHZ. | 2021-02-02T12:55:30.03 | 0.1 | undecidable | manual | P | 48 | 14.6742 | 92 | 0.49 | 92 |
IV.ASSB.HHZ. | 2021-02-02T12:55:30.02 | 0.1 | undecidable | manual | P | 327 | 16.6722 | 92 | 0.08 | 100 |
IV.MOMA.HHZ. | 2021-02-02T12:55:30.55 | 0.3 | undecidable | manual | P | 233 | 20.5683 | 91 | -0.17 | 73 |
IT.FOPC.HGZ. | 2021-02-02T12:55:28.37 | 0.3 | undecidable | manual | P | 317 | 7.9809 | 94 | 0.15 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHE. | ML:1.2 | 0.0001525 | 0.22 | AML | other | m | 2021-02-02T12:55:34.20 |
IV.ASSB.HHN. | ML:1.0 | 0.00010023454500000001 | 0.416 | AML | other | m | 2021-02-02T12:55:34.54 |
IV.MOMA.HNN. | ML:1.2 | 0.00014452735 | 0.3712 | AML | other | m | 2021-02-02T12:55:35.35 |
IV.MOMA.HHE. | ML:1.2 | 0.0001265 | 0.2 | AML | other | m | 2021-02-02T12:55:35.59 |
IV.CESI.HHN. | ML:1.2 | 0.000175 | 0.42 | AML | other | m | 2021-02-02T12:55:35.49 |
IV.MOMA.HNE. | ML:1.2 | 0.00011407379500000001 | 0.3008 | AML | other | m | 2021-02-02T12:55:35.49 |
IV.MOMA.HHN. | ML:1.0 | 0.00007985 | 1.12 | AML | other | m | 2021-02-02T12:55:36.91 |
IV.MGAB.HNN. | ML:1.7 | 0.0001264124 | 0.7872 | AML | other | m | 2021-02-02T12:55:36.92 |
IV.CESI.HHE. | ML:1.0 | 0.0001235 | 0.42 | AML | other | m | 2021-02-02T12:55:38.30 |
IV.CESI.HNE. | ML:1.1 | 0.00014517938 | 0.4416 | AML | other | m | 2021-02-02T12:55:38.08 |
IV.CESI.HNN. | ML:1.3 | 0.00023859975 | 0.5504 | AML | other | m | 2021-02-02T12:55:39.68 |
IV.CSP1.EHE. | ML:1.3 | 0.00007228303 | 0.416 | AML | other | m | 2021-02-02T12:55:44.62 |
IV.MGAB.HNE. | ML:1.6 | 0.000105566755 | 1.1488 | AML | other | m | 2021-02-02T12:55:44.19 |
IV.EL6.EHN. | ML:1.1 | 0.000032096059 | 0.2816 | AML | other | m | 2021-02-02T12:55:45.59 |
IV.EL6.EHE. | ML:1.4 | 0.00005426853 | 0.256 | AML | other | m | 2021-02-02T12:55:45.85 |
IV.CSP1.EHN. | ML:1.5 | 0.00010702592 | 0.4416 | AML | other | m | 2021-02-02T12:55:46.34 |
IV.MGAB.HHE. | ML:0.9 | 0.00001942746 | 1.4368 | AML | other | m | 2021-02-02T12:55:50.79 |
IV.MGAB.HHN. | ML:1.0 | 0.00002567767 | 1.584 | AML | other | m | 2021-02-02T12:55:51.87 |