A magnitude ML 0.4 (quarry blast) earthquake occured in region: 4 km S Cagli (PU), on
and geographic coordinates (lat, lon) 43.5140, 12.6470 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 |
---|---|---|---|---|
Cagli | PU | 4 | 8731 | 8731 |
Cantiano | PU | 5 | 2245 | 10976 |
Frontone | PU | 8 | 1300 | 12276 |
Serra Sant'Abbondio | PU | 10 | 1027 | 13303 |
Acqualagna | PU | 12 | 4393 | 17696 |
Scheggia e Pascelupo | PG | 12 | 1393 | 19089 |
Piobbico | PU | 14 | 2029 | 21118 |
Pergola | PU | 16 | 6333 | 27451 |
Costacciaro | PG | 18 | 1216 | 28667 |
Fermignano | PU | 18 | 8596 | 37263 |
Gubbio | PG | 19 | 32216 | 69479 |
Pietralunga | PG | 19 | 2111 | 71590 |
Apecchio | PU | 19 | 1882 | 73472 |
Sassoferrato | AN | 19 | 7285 | 80757 |
Urbania | PU | 20 | 7099 | 87856 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.4 | 2021-10-12 07:40:28 |
43.5137 | 12.647 | 1 | 2022-03-30 13:04:35 |
Bollettino Sismico Italiano INGV | 100715601 |
Reviewed Rev100 |
ML 0.7 | 2021-10-12 07:40:28 |
43.5182 | 12.6507 | 7 | 2021-10-12 08:25:29 |
Sala Sismica INGV-Roma | 96466471 |
Field | Value |
---|---|
Time (UTC) | 2021-10-12 07:40:28 ± 0.06 |
Latitude | 43.5137 ± 0.0045 |
Longitude | 12.6470 ± 0.0050 |
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 | 100715601 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 540 |
Semi-minor axis of confidence ellipse (meter) | 390 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 350 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 68 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.05756 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26350 |
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 | 0.4 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 100715601 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-07 16:03:44 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 96466471 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-12 08:25:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ATLO.HNZ. | 2021-10-12T07:40:34.15 | 0.3 | undecidable | manual | P | 221 | 29.2485 | 91 | -0.19 | 71 |
IV.ARVD.HHZ. | 2021-10-12T07:40:33.11 | 0.3 | undecidable | manual | P | 94 | 23.754 | 91 | -0.13 | 73 |
IV.ATPC.HNZ. | 2021-10-12T07:40:31.80 | 0.1 | undecidable | manual | P | 257 | 15.6732 | 92 | 0.17 | 97 |
IV.MPAG.EHZ. | 2021-10-12T07:40:31.68 | 0.3 | undecidable | manual | P | 35 | 15.6732 | 92 | 0.06 | 75 |
IV.NARO.HHZ. | 2021-10-12T07:40:30.81 | 0.3 | undecidable | manual | P | 334 | 12.0768 | 92 | -0.08 | 75 |
IV.PIEI.HHZ. | 2021-10-12T07:40:30.15 | 0.1 | undecidable | manual | P | 285 | 9.3795 | 93 | -0.2 | 98 |
IV.ATBU.EHZ. | 2021-10-12T07:40:30.49 | 0.1 | undecidable | manual | P | 242 | 8.9799 | 93 | 0.21 | 98 |
IV.ATSC.EHZ. | 2021-10-12T07:40:30.48 | 0.1 | undecidable | manual | P | 162 | 10.4784 | 93 | -0.09 | 100 |
IV.FRON.EHZ. | 2021-10-12T07:40:29.89 | 0.1 | positive | manual | P | 86 | 6.3936 | 94 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NARO.HHN. | ML:0.1 | 0.000018238185 | 0.0576 | AML | other | m | 2021-10-12T07:40:34.26 |
IV.NARO.HHE. | ML:0.0 | 0.000016637895 | 0.0768 | AML | other | m | 2021-10-12T07:40:35.03 |
IV.MPAG.EHE. | ML:0.2 | 0.000017780980000000003 | 0.3008 | AML | other | m | 2021-10-12T07:40:37.86 |
IV.MPAG.EHN. | ML:0.6 | 0.000043241840000000006 | 0.8832 | AML | other | m | 2021-10-12T07:40:38.44 |
IV.ARVD.HHE. | ML:0.8 | 0.000039984099999999996 | 0.5152 | AML | other | m | 2021-10-12T07:40:39.59 |
IV.ARVD.HHN. | ML:0.9 | 0.000054543165 | 0.4192 | AML | other | m | 2021-10-12T07:40:45.58 |