A magnitude ML 1.4 (quarry blast) earthquake occured in region: 1 km NE Robilante (CN), on
and geographic coordinates (lat, lon) 44.3020, 7.5160 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 |
---|---|---|---|---|
Robilante | CN | 1 | 2306 | 2306 |
Roccavione | CN | 3 | 2761 | 5067 |
Borgo San Dalmazzo | CN | 4 | 12468 | 17535 |
Boves | CN | 4 | 9835 | 27370 |
Roaschia | CN | 6 | 107 | 27477 |
Vernante | CN | 6 | 1178 | 28655 |
Roccasparvera | CN | 7 | 741 | 29396 |
Vignolo | CN | 8 | 2600 | 31996 |
Peveragno | CN | 9 | 5543 | 37539 |
Gaiola | CN | 9 | 582 | 38121 |
Valdieri | CN | 10 | 935 | 39056 |
Cervasca | CN | 10 | 5013 | 44069 |
Moiola | CN | 10 | 234 | 44303 |
Cuneo | CN | 11 | 56081 | 100384 |
Rittana | CN | 11 | 109 | 100493 |
Entracque | CN | 12 | 774 | 101267 |
Bernezzo | CN | 12 | 4104 | 105371 |
Valloriate | CN | 12 | 109 | 105480 |
Limone Piemonte | CN | 12 | 1485 | 106965 |
Beinette | CN | 13 | 3423 | 110388 |
Chiusa di Pesio | CN | 13 | 3676 | 114064 |
Caraglio | CN | 15 | 6836 | 120900 |
Valgrana | CN | 16 | 786 | 121686 |
Pianfei | CN | 17 | 2202 | 123888 |
Demonte | CN | 17 | 2003 | 125891 |
Margarita | CN | 18 | 1441 | 127332 |
Roccaforte Mondovì | CN | 19 | 2085 | 129417 |
Castelletto Stura | CN | 19 | 1351 | 130768 |
Montemale di Cuneo | CN | 19 | 241 | 131009 |
Monterosso Grana | CN | 19 | 505 | 131514 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2021-10-20 09:21:26 |
44.3018 | 7.5162 | 1 | 2022-03-30 13:04:37 |
Bollettino Sismico Italiano INGV | 101052361 |
Reviewed Rev100 |
ML 1.4 | 2021-10-20 09:21:27 |
44.2733 | 7.4757 | 10 | 2021-10-20 09:28:14 |
Sala Sismica INGV-Roma | 96796241 |
Field | Value |
---|---|
Time (UTC) | 2021-10-20 09:21:26 ± 0.12 |
Latitude | 44.3018 ± 0.0090 |
Longitude | 7.5162 ± 0.0088 |
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 | 101052361 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1010 |
Semi-minor axis of confidence ellipse (meter) | 690 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 14 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1010.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 107 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.10072 |
Epicentral distance of station farthest from the epicenter (degree) | 0.59355 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 101052361 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-16 15:55:03 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 96796241 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-20 09:28:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.QLNO.HHZ. | 2021-10-20T09:21:39.44 | 0.3 | undecidable | manual | P | 88 | 65.8896 | 50 | 0.02 | 69 |
GU.BHB.HHE. | 2021-10-20T09:21:38.43 | 0.3 | undecidable | manual | P | 341 | 62.493 | 50 | -0.47 | 63 |
GU.CANO.HHZ. | 2021-10-20T09:21:37.81 | 0.3 | undecidable | manual | P | 100 | 58.1973 | 90 | -0.35 | 65 |
GU.IMI.HHZ. | 2021-10-20T09:21:36.89 | 0.3 | undecidable | manual | P | 145 | 52.8027 | 91 | -0.18 | 68 |
GU.RORO.HHZ. | 2021-10-20T09:21:36.39 | 0.3 | undecidable | manual | P | 115 | 48.5181 | 91 | 0.17 | 69 |
GU.PZZ.HHZ. | 2021-10-20T09:21:34.55 | 0.3 | undecidable | manual | P | 306 | 39.0276 | 91 | 0.24 | 69 |
GU.MGRO.HHZ. | 2021-10-20T09:21:33.87 | 0.3 | undecidable | manual | P | 141 | 36.9297 | 91 | -0.03 | 73 |
FR.SAOF.HHZ.00 | 2021-10-20T09:21:33.24 | 0.3 | undecidable | manual | P | 175 | 35.1426 | 91 | -0.3 | 69 |
GU.GBOS.HHZ. | 2021-10-20T09:21:32.49 | 0.3 | undecidable | manual | P | 104 | 26.5512 | 91 | 0.67 | 63 |
GU.STV.HHZ. | 2021-10-20T09:21:29.86 | 0.3 | undecidable | manual | P | 247 | 16.3725 | 92 | 0.09 | 74 |
GU.ENR.HHZ. | 2021-10-20T09:21:28.83 | 0.1 | undecidable | manual | P | 224 | 11.1777 | 93 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.ENR.HHE. | ML:1.5 | 0.000489559 | 0.4416 | AML | other | m | 2021-10-20T09:21:32.05 |
GU.ENR.HHN. | ML:1.6 | 0.0006226755500000001 | 0.384 | AML | other | m | 2021-10-20T09:21:32.81 |
GU.STV.HHN. | ML:1.2 | 0.0001636687 | 0.48 | AML | other | m | 2021-10-20T09:21:33.47 |
GU.STV.HHE. | ML:1.2 | 0.00016129805 | 0.3968 | AML | other | m | 2021-10-20T09:21:33.46 |
GU.GBOS.HHE. | ML:1.1 | 0.00007230000000000001 | 0.34 | AML | other | m | 2021-10-20T09:21:38.63 |
GU.GBOS.HHN. | ML:1.5 | 0.0001915 | 1.5 | AML | other | m | 2021-10-20T09:21:38.80 |
IV.QLNO.HHE. | ML:1.3 | 0.00004115507 | 0.3584 | AML | other | m | 2021-10-20T09:21:52.80 |
IV.QLNO.HHN. | ML:1.5 | 0.000059381165 | 0.3776 | AML | other | m | 2021-10-20T09:21:53.41 |