Earthquake with magnitude of ML 2.0 on date 29-11-2021 and time 18:04:26 (UTC) in region 3 km SE Demonte (CN)

A magnitude ML 2.0 earthquake occured in region: 3 km SE Demonte (CN), on

  • 29-11-2021 18:04:26 (UTC)
  • 29-11-2021 19:04:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2990, 7.3300 at 12 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Demonte CN 3 2003 2003
Moiola CN 5 234 2237
Valdieri CN 6 935 3172
Valloriate CN 6 109 3281
Gaiola CN 7 582 3863
Rittana CN 8 109 3972
Entracque CN 8 774 4746
Aisone CN 9 248 4994
Roccasparvera CN 10 741 5735
Roaschia CN 11 107 5842
Roccavione CN 12 2761 8603
Vinadio CN 12 644 9247
Monterosso Grana CN 12 505 9752
Valgrana CN 13 786 10538
Vignolo CN 13 2600 13138
Borgo San Dalmazzo CN 13 12468 25606
Bernezzo CN 13 4104 29710
Pradleves CN 14 250 29960
Cervasca CN 15 5013 34973
Robilante CN 15 2306 37279
Castelmagno CN 16 66 37345
Caraglio CN 16 6836 44181
Montemale di Cuneo CN 16 241 44422
Vernante CN 17 1178 45600
Boves CN 18 9835 55435
Dronero CN 19 7035 62470
Roccabruna CN 20 1585 64055

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SW of Cuneo (56081 inhabitants)
64 Km NW of Sanremo (54807 inhabitants)
83 Km SW of Moncalieri (57294 inhabitants)
91 Km SW of Torino (890529 inhabitants)
92 Km W of Savona (61345 inhabitants)
96 Km SW of Asti (76202 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 2.0 2021-11-29
18:04:26
44.2988 7.3303 12 2022-03-30
13:04:31
Bollettino Sismico Italiano INGV 99870291
Reviewed
Rev100
ML 2.0 2021-11-29
18:04:26
44.2978 7.3283 12 2021-11-29
18:11:37
Sala Sismica INGV-Roma 97947271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-29 18:04:26 ± 0.12
Latitude 44.2988 ± 0.0081
Longitude 7.3303 ± 0.0126
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99870291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1030
Semi-minor axis of confidence ellipse (meter) 717
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 1.20329
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 97947271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-29 18:11:37

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 99870291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-17 03:29:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.ORIF.BHE. 2021-11-29T18:04:48.25 0.6 undecidable manual P 301 133.5663 90 -0.04 40
GU.LSD.HHN. 2021-11-29T18:04:47.53 0.6 undecidable manual P 353 129.6702 90 -0.16 39
GU.CANO.HHZ. 2021-11-29T18:04:47.60 0.6 undecidable manual S 98 72.7716 91 -0.56 39
GU.IMI.HHZ. 2021-11-29T18:04:45.10 0.3 undecidable manual S 134 62.1933 91 -0.23 66
GU.RORO.HHZ. 2021-11-29T18:04:44.80 0.3 undecidable manual S 109 62.0934 91 -0.51 61
GU.BHB.HHZ. 2021-11-29T18:04:44.00 0.3 undecidable manual S 355 59.7957 91 -0.69 55
GU.PCP.HHZ. 2021-11-29T18:04:44.00 0.1 undecidable manual P 74 99.9222 90 0.89 71
GU.MGRO.HHZ. 2021-11-29T18:04:41.00 0.3 undecidable manual S 127 47.4192 91 -0.41 65
IV.QLNO.HHZ. 2021-11-29T18:04:40.71 0.1 undecidable manual P 88 80.6637 91 0.58 82
GU.RRL.HHZ. 2021-11-29T18:04:40.51 0.1 undecidable manual P 328 81.1521 90 0.31 87
GU.CANO.HHZ. 2021-11-29T18:04:39.22 0.1 undecidable manual P 98 72.7716 91 0.31 89
GU.GBOS.HHZ. 2021-11-29T18:04:39.00 0.3 undecidable manual S 99 40.9257 91 -0.67 59
GU.IMI.HHZ. 2021-11-29T18:04:37.51 0.1 positive manual P 134 62.1933 91 0.23 91
GU.RORO.HHZ. 2021-11-29T18:04:37.44 0.1 positive manual P 109 62.0934 91 0.17 93
GU.BHB.HHZ. 2021-11-29T18:04:36.42 0.6 undecidable manual P 355 59.7957 91 -0.49 40
GU.PZZ.HHZ. 2021-11-29T18:04:36.00 0.3 undecidable manual S 324 28.6491 92 -0.39 67
GU.BURY.HNN. 2021-11-29T18:04:36.80 0.6 undecidable manual P 162 60.0954 91 -0.16 45
GU.MGRO.HHZ. 2021-11-29T18:04:35.16 0.1 positive manual P 127 47.4192 91 0.14 95
GU.GBOS.HHZ. 2021-11-29T18:04:34.08 0.1 negative manual P 99 40.9257 91 0.06 97
GU.PZZ.HHZ. 2021-11-29T18:04:32.19 0.1 positive manual P 324 28.6491 92 0.08 99
GU.ENR.HHZ. 2021-11-29T18:04:31.40 0.1 undecidable manual S 138 10.3785 122 -0.23 96
GU.STV.HHZ. 2021-11-29T18:04:30.70 0.1 undecidable manual S 183 5.994 144 -0.08 100
GU.STV.HHZ. 2021-11-29T18:04:29.17 0.1 undecidable manual P 183 5.994 144 0.3 100
GU.ENR.HHZ. 2021-11-29T18:04:29.57 1.0 undecidable manual P 138 10.3785 122 0.2 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHE. ML:2.1 0.001655 0.1 AML other m 2021-11-29T18:04:30.78
GU.STV.HHN. ML:1.7 0.00076 0.06 AML other m 2021-11-29T18:04:30.82
GU.ENR.HHN. ML:2.2 0.00178 0.4 AML other m 2021-11-29T18:04:31.54
GU.ENR.HHE. ML:2.2 0.0018849999999999997 0.06 AML other m 2021-11-29T18:04:31.58
GU.GBOS.HHE. ML:1.8 0.00020250000000000002 1.12 AML other m 2021-11-29T18:04:39.68
GU.GBOS.HHN. ML:1.7 0.000156 0.8 AML other m 2021-11-29T18:04:39.22
GU.CANO.HHN. ML:2.3 0.0002915 0.8 AML other m 2021-11-29T18:04:48.29
GU.CANO.HHE. ML:2.0 0.00016399999999999997 0.84 AML other m 2021-11-29T18:04:50.19
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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