A magnitude ML 0.4 (quarry blast) earthquake occured in region: 2 km SW Bagnasco (CN), on
and geographic coordinates (lat, lon) 44.2930, 8.0210 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 |
---|---|---|---|---|
Bagnasco | CN | 2 | 1035 | 1035 |
Battifollo | CN | 3 | 219 | 1254 |
Lisio | CN | 4 | 201 | 1455 |
Massimino | SV | 4 | 113 | 1568 |
Viola | CN | 4 | 391 | 1959 |
Scagnello | CN | 5 | 194 | 2153 |
Priola | CN | 5 | 701 | 2854 |
Nucetto | CN | 6 | 430 | 3284 |
Perlo | CN | 7 | 116 | 3400 |
Monasterolo Casotto | CN | 8 | 89 | 3489 |
Pamparato | CN | 9 | 302 | 3791 |
Mombasiglio | CN | 9 | 609 | 4400 |
Calizzano | SV | 10 | 1475 | 5875 |
Roburent | CN | 10 | 495 | 6370 |
Ceva | CN | 11 | 5782 | 12152 |
Garessio | CN | 11 | 3244 | 15396 |
Priero | CN | 11 | 529 | 15925 |
Castelnuovo di Ceva | CN | 11 | 110 | 16035 |
Murialdo | SV | 12 | 841 | 16876 |
Torre Mondovì | CN | 12 | 498 | 17374 |
Montaldo di Mondovì | CN | 13 | 557 | 17931 |
Sale delle Langhe | CN | 13 | 486 | 18417 |
Sale San Giovanni | CN | 13 | 183 | 18600 |
Lesegno | CN | 13 | 794 | 19394 |
San Michele Mondovì | CN | 13 | 2003 | 21397 |
Montezemolo | CN | 14 | 259 | 21656 |
Roascio | CN | 14 | 97 | 21753 |
Bardineto | SV | 14 | 756 | 22509 |
Osiglia | SV | 14 | 444 | 22953 |
Castellino Tanaro | CN | 15 | 312 | 23265 |
Vicoforte | CN | 15 | 3136 | 26401 |
Torresina | CN | 16 | 52 | 26453 |
Niella Tanaro | CN | 16 | 1046 | 27499 |
Roccavignale | SV | 16 | 752 | 28251 |
Paroldo | CN | 16 | 211 | 28462 |
Briaglia | CN | 16 | 318 | 28780 |
Monastero di Vasco | CN | 17 | 1297 | 30077 |
Igliano | CN | 17 | 74 | 30151 |
Millesimo | SV | 17 | 3383 | 33534 |
Frabosa Soprana | CN | 17 | 759 | 34293 |
Bormida | SV | 17 | 387 | 34680 |
Camerana | CN | 17 | 631 | 35311 |
Cigliè | CN | 18 | 190 | 35501 |
Rocca Cigliè | CN | 18 | 142 | 35643 |
Frabosa Sottana | CN | 18 | 1497 | 37140 |
Saliceto | CN | 18 | 1323 | 38463 |
Marsaglia | CN | 18 | 245 | 38708 |
Ormea | CN | 18 | 1617 | 40325 |
Cengio | SV | 18 | 3563 | 43888 |
Erli | SV | 19 | 245 | 44133 |
Cosseria | SV | 19 | 1105 | 45238 |
Mondovì | CN | 19 | 22484 | 67722 |
Plodio | SV | 19 | 650 | 68372 |
Bastia Mondovì | CN | 19 | 669 | 69041 |
Castelvecchio di Rocca Barbena | SV | 20 | 145 | 69186 |
Nasino | SV | 20 | 207 | 69393 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.4 | 2021-09-22 07:12:20 |
44.2933 | 8.021 | 1 | 2022-03-30 13:04:38 |
Bollettino Sismico Italiano INGV | 101115421 |
Reviewed Rev100 |
ML 0.4 | 2021-09-22 07:12:20 |
44.2692 | 8.0247 | 8 | 2021-09-22 07:26:58 |
Sala Sismica INGV-Roma | 95727321 |
Field | Value |
---|---|
Time (UTC) | 2021-09-22 07:12:20 ± 0.11 |
Latitude | 44.2933 ± 0.0099 |
Longitude | 8.0210 ± 0.0075 |
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 | 101115421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1060 |
Semi-minor axis of confidence ellipse (meter) | 540 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 353 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1060.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 151 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49912 |
Number of stations at which the event was observed | 33 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 95727321 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-22 07:26:58 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 101115421 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-18 16:13:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SPS2.HHZ. | 2021-09-22T07:14:17.07 | 3.0 | positive | manual | Pn | -5.38 | 0 | |||
IV.MPAG.EHZ. | 2021-09-22T07:14:17.08 | 3.0 | undecidable | manual | Sg | 12.26 | 0 | |||
IV.IST3.HHZ. | 2021-09-22T07:14:14.94 | 3.0 | negative | manual | Pn | -3.78 | 0 | |||
OT.OT05.EHZ. | 2021-09-22T07:14:14.11 | 3.0 | negative | manual | Pg | 16.889999 | 0 | |||
IV.MTL1.HNZ. | 2021-09-22T07:14:03.70 | 3.0 | undecidable | manual | Sn | -7.99 | 0 | |||
IV.NARO.HHZ. | 2021-09-22T07:13:55.64 | 3.0 | undecidable | manual | Sn | -6.2 | 0 | |||
IV.TERO.HNZ. | 2021-09-22T07:13:45.46 | 3.0 | undecidable | manual | P | 12.49 | 0 | |||
IV.CERA.HHZ. | 2021-09-22T07:13:42.73 | 3.0 | negative | manual | Pn | -0.9 | 0 | |||
IV.FERS.HNZ. | 2021-09-22T07:13:40.79 | 3.0 | undecidable | manual | Sn | -0.92 | 0 | |||
IV.CSP1.EHZ. | 2021-09-22T07:13:38.64 | 3.0 | negative | manual | P | 11.9 | 0 | |||
IV.GAVE.EHZ. | 2021-09-22T07:13:38.72 | 3.0 | positive | manual | P | 12.65 | 0 | |||
IV.NRCA.HHZ. | 2021-09-22T07:13:37.50 | 3.0 | undecidable | manual | Pg | 10.25 | 0 | |||
IV.MML1.EHZ. | 2021-09-22T07:13:37.17 | 3.0 | positive | manual | Pg | 12.73 | 0 | |||
IV.FDMO.HHZ. | 2021-09-22T07:13:36.96 | 3.0 | positive | manual | Pg | 11.05 | 0 | |||
IV.MNTV.EHZ. | 2021-09-22T07:13:36.69 | 3.0 | undecidable | manual | Sg | 6.17 | 0 | |||
IT.MTCL.HGZ. | 2021-09-22T07:13:35.90 | 3.0 | positive | manual | Pg | 10.59 | 0 | |||
IV.CESI.HHZ. | 2021-09-22T07:13:35.46 | 3.0 | undecidable | manual | Pg | 11.09 | 0 | |||
IV.ARVD.HHZ. | 2021-09-22T07:13:33.14 | 3.0 | undecidable | manual | Pg | 10.65 | 0 | |||
MN.TRI.HHZ. | 2021-09-22T07:13:26.46 | 3.0 | undecidable | manual | Pn | -4.31 | 0 | |||
IV.APEC.HHZ. | 2021-09-22T07:13:17.75 | 3.0 | negative | manual | Pn | 0.51 | 0 | |||
IV.NARO.HHZ. | 2021-09-22T07:13:16.74 | 3.0 | undecidable | manual | Pn | -1.86 | 0 | |||
IV.MILN.HHZ. | 2021-09-22T07:13:09.88 | 3.0 | undecidable | manual | S | -2.07 | 0 | |||
CH.DAVOX.HHZ. | 2021-09-22T07:13:08.35 | 3.0 | negative | manual | Pn | -0.3 | 0 | |||
IV.IMOL.EHZ. | 2021-09-22T07:13:06.18 | 3.0 | positive | manual | Pn | -2.62 | 0 | |||
IV.BAG8.EHZ. | 2021-09-22T07:13:04.48 | 3.0 | undecidable | manual | Pg | 1.91 | 0 | |||
IV.CAVE.HHZ. | 2021-09-22T07:13:01.83 | 3.0 | positive | manual | Pn | -0.2 | 0 | |||
GU.LSD.HHZ. | 2021-09-22T07:12:45.00 | 3.0 | positive | manual | P | -1.98 | 0 | |||
GU.STV.HHZ. | 2021-09-22T07:12:31.39 | 0.3 | undecidable | manual | P | 265 | 55.4001 | 91 | -0.05 | 73 |
GU.PCP.HHZ. | 2021-09-22T07:12:30.42 | 0.3 | undecidable | manual | P | 56 | 49.8168 | 91 | 0.1 | 73 |
GU.ENR.HHZ. | 2021-09-22T07:12:29.68 | 0.3 | undecidable | manual | P | 262 | 48.4182 | 91 | -0.35 | 70 |
IV.QLNO.HHZ. | 2021-09-22T07:12:25.50 | 0.6 | undecidable | manual | P | 82 | 26.0517 | 91 | -0.04 | 52 |
GU.RORO.HHZ. | 2021-09-22T07:12:24.42 | 0.3 | undecidable | manual | P | 170 | 20.3685 | 91 | 0 | 79 |
GU.CANO.HHZ. | 2021-09-22T07:12:24.19 | 0.3 | undecidable | manual | P | 119 | 19.6692 | 91 | -0.08 | 78 |
GU.GBOS.HHZ. | 2021-09-22T07:12:23.72 | 0.1 | undecidable | manual | P | 248 | 15.4734 | 92 | 0.29 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.GBOS.HHN. | ML:0.1 | 0.000015682475000000003 | 0.1408 | AML | other | m | 2021-09-22T07:12:26.59 |
GU.GBOS.HHE. | ML:-0.1 | 0.000012442635000000001 | 0.1184 | AML | other | m | 2021-09-22T07:12:27.21 |
GU.CANO.HHE. | ML:0.7 | 0.000046544114999999995 | 1.2608 | AML | other | m | 2021-09-22T07:12:27.69 |
IV.QLNO.HHE. | ML:0.4 | 0.0000166486835 | 0.24 | AML | other | m | 2021-09-22T07:12:29.34 |
IV.QLNO.HHN. | ML:0.2 | 0.000012455461999999999 | 0.0992 | AML | other | m | 2021-09-22T07:12:29.70 |
GU.CANO.HHN. | ML:0.6 | 0.000033608367 | 0.2976 | AML | other | m | 2021-09-22T07:12:29.95 |
GU.ENR.HHN. | ML:0.7 | 0.0000128646445 | 1.9008 | AML | other | m | 2021-09-22T07:12:36.99 |
GU.ENR.HHE. | ML:0.6 | 0.000008189673500000001 | 0.0992 | AML | other | m | 2021-09-22T07:12:37.43 |
GU.PCP.HHN. | ML:0.6 | 0.0000077825715 | 0.7968 | AML | other | m | 2021-09-22T07:12:37.54 |
GU.PCP.HHE. | ML:0.3 | 0.000004881204 | 0.5984 | AML | other | m | 2021-09-22T07:12:37.67 |
GU.STV.HHN. | ML:0.3 | 0.0000027546014999999998 | 0.3808 | AML | other | m | 2021-09-22T07:12:38.24 |
GU.STV.HHE. | ML:0.3 | 0.0000028789755500000003 | 0.4992 | AML | other | m | 2021-09-22T07:12:38.04 |