A magnitude ML 1.0 (quarry blast) earthquake occured in region: 2 km E Roccavione (CN), on
and geographic coordinates (lat, lon) 44.3160, 7.5090 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 |
---|---|---|---|---|
Roccavione | CN | 2 | 2761 | 2761 |
Borgo San Dalmazzo | CN | 2 | 12468 | 15229 |
Robilante | CN | 2 | 2306 | 17535 |
Boves | CN | 4 | 9835 | 27370 |
Vignolo | CN | 6 | 2600 | 29970 |
Roccasparvera | CN | 6 | 741 | 30711 |
Roaschia | CN | 6 | 107 | 30818 |
Vernante | CN | 8 | 1178 | 31996 |
Cervasca | CN | 8 | 5013 | 37009 |
Gaiola | CN | 8 | 582 | 37591 |
Peveragno | CN | 9 | 5543 | 43134 |
Rittana | CN | 9 | 109 | 43243 |
Cuneo | CN | 9 | 56081 | 99324 |
Moiola | CN | 10 | 234 | 99558 |
Valdieri | CN | 10 | 935 | 100493 |
Bernezzo | CN | 10 | 4104 | 104597 |
Valloriate | CN | 11 | 109 | 104706 |
Entracque | CN | 12 | 774 | 105480 |
Beinette | CN | 12 | 3423 | 108903 |
Caraglio | CN | 13 | 6836 | 115739 |
Chiusa di Pesio | CN | 14 | 3676 | 119415 |
Limone Piemonte | CN | 14 | 1485 | 120900 |
Valgrana | CN | 15 | 786 | 121686 |
Demonte | CN | 17 | 2003 | 123689 |
Pianfei | CN | 17 | 2202 | 125891 |
Margarita | CN | 17 | 1441 | 127332 |
Montemale di Cuneo | CN | 17 | 241 | 127573 |
Castelletto Stura | CN | 18 | 1351 | 128924 |
Monterosso Grana | CN | 18 | 505 | 129429 |
Roccaforte Mondovì | CN | 19 | 2085 | 131514 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-10-26 07:48:50 |
44.3157 | 7.5088 | 1 | 2022-03-30 13:04:40 |
Bollettino Sismico Italiano INGV | 101610541 |
Reviewed Rev100 |
ML 1.0 | 2021-10-26 07:48:50 |
44.2725 | 7.5057 | 8 | 2021-10-26 08:10:29 |
Sala Sismica INGV-Roma | 96997361 |
Field | Value |
---|---|
Time (UTC) | 2021-10-26 07:48:50 ± 0.22 |
Latitude | 44.3157 ± 0.0144 |
Longitude | 7.5088 ± 0.0189 |
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 | 101610541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1620 |
Semi-minor axis of confidence ellipse (meter) | 1390 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 31 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 126 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.10792 |
Epicentral distance of station farthest from the epicenter (degree) | 0.54859 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 101610541 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-02 15:03:03 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 96997361 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-26 08:10:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.BHB.HHE. | 2021-10-26T07:49:02.22 | 0.3 | undecidable | manual | P | 341 | 60.8946 | 50 | -0.45 | 64 |
GU.PZZ.HHZ. | 2021-10-26T07:48:58.21 | 0.3 | undecidable | manual | P | 304 | 37.629 | 91 | 0.15 | 72 |
FR.SAOF.HHZ.00 | 2021-10-26T07:48:57.46 | 0.3 | undecidable | manual | P | 174 | 36.741 | 91 | -0.42 | 68 |
GU.GBOS.HHZ. | 2021-10-26T07:48:56.32 | 0.1 | undecidable | manual | P | 107 | 27.5502 | 91 | 0.28 | 94 |
GU.STV.HHZ. | 2021-10-26T07:48:54.30 | 0.3 | undecidable | manual | P | 242 | 16.4724 | 92 | 0.48 | 69 |
GU.ENR.HHZ. | 2021-10-26T07:48:52.78 | 0.1 | positive | manual | P | 217 | 11.9769 | 92 | -0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.ENR.HHN. | ML:1.1 | 0.00021349999999999999 | 0.46 | AML | other | m | 2021-10-26T07:48:55.18 |
GU.ENR.HHE. | ML:1.0 | 0.00016299999999999998 | 0.42 | AML | other | m | 2021-10-26T07:48:55.43 |
GU.GBOS.HHE. | ML:1.0 | 0.00006145 | 1.84 | AML | other | m | 2021-10-26T07:48:57.04 |
GU.GBOS.HHN. | ML:1.1 | 0.00007039999999999999 | 1.52 | AML | other | m | 2021-10-26T07:49:01.16 |
FR.SAOF.HHE.00 | ML:1.0 | 0.00004155 | 1.04 | AML | other | m | 2021-10-26T07:49:04.70 |
FR.SAOF.HHN.00 | ML:0.9 | 0.00003135 | 1.32 | AML | other | m | 2021-10-26T07:49:12.77 |