Earthquake with magnitude of ML 2.0 on date 04-11-2020 and time 07:37:11 (UTC) in region 3 km SW Roccavione (CN)

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

  • 04-11-2020 07:37:11 (UTC)
  • 04-11-2020 08:37:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3000, 7.4480 at 11 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
Roccavione CN 3 2761 2761
Roaschia CN 3 107 2868
Borgo San Dalmazzo CN 5 12468 15336
Roccasparvera CN 5 741 16077
Valdieri CN 5 935 17012
Gaiola CN 5 582 17594
Moiola CN 5 234 17828
Robilante CN 5 2306 20134
Rittana CN 7 109 20243
Vignolo CN 7 2600 22843
Valloriate CN 7 109 22952
Entracque CN 8 774 23726
Boves CN 9 9835 33561
Vernante CN 9 1178 34739
Cervasca CN 10 5013 39752
Bernezzo CN 10 4104 43856
Demonte CN 12 2003 45859
Caraglio CN 13 6836 52695
Valgrana CN 13 786 53481
Cuneo CN 13 56081 109562
Peveragno CN 14 5543 115105
Limone Piemonte CN 15 1485 116590
Monterosso Grana CN 16 505 117095
Montemale di Cuneo CN 17 241 117336
Beinette CN 18 3423 120759
Aisone CN 18 248 121007
Pradleves CN 19 250 121257
Chiusa di Pesio CN 19 3676 124933
Dronero CN 20 7035 131968

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Cuneo (56081 inhabitants)
60 Km NW of Sanremo (54807 inhabitants)
80 Km S of Moncalieri (57294 inhabitants)
82 Km W of Savona (61345 inhabitants)
88 Km S of Torino (890529 inhabitants)
90 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 2020-11-04
07:37:11
44.3002 7.4478 11 2021-02-26
14:56:05
Bollettino Sismico Italiano INGV 84664181
Reviewed
Rev100
ML 2.0 2020-11-04
07:37:11
44.287 7.4337 11 2020-11-04
07:56:07
Sala Sismica INGV-Roma 84441011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-04 07:37:11 ± 0.13
Latitude 44.3002 ± 0.0081
Longitude 7.4478 ± 0.0126
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84664181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1161
Semi-minor axis of confidence ellipse (meter) 638
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 1160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 2.08193
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 84441011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-04 07:56:07

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 84664181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-25 03:49:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.PGF.BHZ. 2020-11-04T07:37:45.40 0.3 undecidable manual P 147 231.0909 38 -1.11 26
GU.RRL.HHZ. 2020-11-04T07:37:36.83 0.6 undecidable manual S 323 86.247 50 0.19 43
IV.QLNO.HHZ. 2020-11-04T07:37:32.06 0.6 undecidable manual S 88 71.373 50 -0.6 40
GU.CANO.HHZ. 2020-11-04T07:37:29.67 0.6 undecidable manual S 99 63.5919 50 -0.91 36
GU.BURY.HNN. 2020-11-04T07:37:29.27 0.6 undecidable manual S 171 58.0974 50 0.15 46
IV.MONC.HHZ. 2020-11-04T07:37:28.89 0.3 undecidable manual P 24 93.7395 50 1.9 28
IV.IMI.HHZ. 2020-11-04T07:37:28.58 0.6 undecidable manual S 140 55.8996 50 0.04 47
GU.BHB.HHZ. 2020-11-04T07:37:28.93 0.6 undecidable manual S 346 61.1943 50 -1.01 34
MN.BNI.HHZ. 2020-11-04T07:37:28.96 0.3 undecidable manual P 324 103.119 50 0.53 58
GU.RORO.HHZ. 2020-11-04T07:37:27.46 0.6 undecidable manual S 113 53.4021 50 -0.42 44
GU.PCP.HHZ. 2020-11-04T07:37:27.18 0.3 undecidable manual P 73 90.9423 50 0.62 57
GU.RRL.HHZ. 2020-11-04T07:37:26.08 0.1 undecidable manual P 323 86.247 50 0.25 85
GU.RSP.HHZ. 2020-11-04T07:37:26.62 0.1 undecidable manual P 351 95.1381 50 -0.58 77
IV.QLNO.HHZ. 2020-11-04T07:37:23.83 0.3 undecidable manual P 88 71.373 50 0.3 65
GU.BURY.HNN. 2020-11-04T07:37:22.10 0.1 undecidable manual P 171 58.0974 50 0.61 82
GU.PZZ.HHZ. 2020-11-04T07:37:22.59 0.1 undecidable manual S 311 34.8429 50 -0.34 92
GU.CANO.HHZ. 2020-11-04T07:37:22.67 0.1 undecidable manual P 99 63.5919 50 0.34 88
FR.SAOF.HHZ.00 2020-11-04T07:37:22.61 0.6 undecidable manual S 166 35.8419 50 -0.58 43
GU.GBOS.HHZ. 2020-11-04T07:37:21.09 0.6 undecidable manual S 102 31.8459 50 -1.02 36
GU.BHB.HHZ. 2020-11-04T07:37:21.80 0.1 undecidable manual P 346 61.1943 50 -0.16 91
IV.IMI.HHZ. 2020-11-04T07:37:21.53 0.1 negative manual P 140 55.8996 50 0.37 88
GU.RORO.HHZ. 2020-11-04T07:37:20.92 0.1 undecidable manual P 113 53.4021 50 0.15 93
FR.SAOF.HHZ.00 2020-11-04T07:37:18.32 0.1 negative manual P 166 35.8419 50 0.26 94
GU.GBOS.HHZ. 2020-11-04T07:37:17.35 0.1 undecidable manual P 102 31.8459 50 -0.09 98
GU.PZZ.HHZ. 2020-11-04T07:37:17.98 0.1 undecidable manual P 311 34.8429 50 0.07 98
GU.STV.HHZ. 2020-11-04T07:37:16.06 0.1 undecidable manual S 238 11.3775 133 -0.41 95
GU.ENR.HHZ. 2020-11-04T07:37:15.29 0.1 undecidable manual S 197 8.1807 142 -0.43 95
GU.STV.HHZ. 2020-11-04T07:37:14.46 0.1 positive manual P 238 11.3775 133 0.28 97
GU.ENR.HHZ. 2020-11-04T07:37:13.92 0.1 negative manual P 197 8.1807 142 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.ENR.HHE. ML:3.2 0.02225 0.06 AML other m 2020-11-04T07:37:15.33
GU.ENR.HHN. ML:3.1 0.01645 0.06 AML other m 2020-11-04T07:37:15.37
GU.STV.HHE. ML:1.9 0.000959 0.26 AML other m 2020-11-04T07:37:16.08
GU.STV.HHN. ML:1.9 0.000966 0.1 AML other m 2020-11-04T07:37:16.09
GU.GBOS.HHE. ML:1.9 0.0003835 0.14 AML other m 2020-11-04T07:37:21.20
GU.GBOS.HHN. ML:1.9 0.000381 0.2 AML other m 2020-11-04T07:37:21.66
GU.PZZ.HHE. ML:2.2 0.000672 0.36 AML other m 2020-11-04T07:37:22.99
GU.PZZ.HHN. ML:2.1 0.0005058731499999999 0.16 AML other m 2020-11-04T07:37:23.06
FR.SAOF.HHN.00 ML:1.6 0.00017549999999999998 0.58 AML other m 2020-11-04T07:37:23.66
FR.SAOF.HHE.00 ML:1.8 0.000248 0.4 AML other m 2020-11-04T07:37:23.37
GU.RORO.HHN. ML:2.3 0.0004465 0.22 AML other m 2020-11-04T07:37:28.26
GU.RORO.HHE. ML:2.2 0.000377 0.86 AML other m 2020-11-04T07:37:29.57
IV.IMI.HHN. ML:1.9 0.000189 0.54 AML other m 2020-11-04T07:37:29.68
GU.CANO.HHN. ML:2.2 0.00028300000000000005 0.28 AML other m 2020-11-04T07:37:30.38
IV.IMI.HHE. ML:1.7 0.00010899999999999999 0.5 AML other m 2020-11-04T07:37:30.54
GU.CANO.HHE. ML:2.1 0.000226 0.34 AML other m 2020-11-04T07:37:32.20
IV.QLNO.HHN. ML:1.9 0.000118 0.18 AML other m 2020-11-04T07:37:32.35
IV.QLNO.HHE. ML:1.8 0.00011499999999999999 0.22 AML other m 2020-11-04T07:37:33.44
GU.PCP.HHE. ML:1.6 0.000045199999999999994 1.48 AML other m 2020-11-04T07:37:39.00
GU.RSP.HHN. ML:1.6 0.000042 1.36 AML other m 2020-11-04T07:37:39.19
GU.PCP.HHN. ML:1.7 0.00005434999999999999 1.78 AML other m 2020-11-04T07:37:40.10
GU.RSP.HHE. ML:1.6 0.00004305 0.46 AML other m 2020-11-04T07:37:42.60
IV.MONC.HHE. ML:2.1 0.00014050000000000003 0.58 AML other m 2020-11-04T07:37:43.83
IV.MONC.HHN. ML:2.0 0.00011999999999999999 0.54 AML other m 2020-11-04T07:37:51.53
RD.PGF.BHE. ML:2.0 0.000022800000000000002 0.44 AML other m 2020-11-04T07:37:57.30
RD.PGF.BHN. ML:2.1 0.0000302 1.44 AML other m 2020-11-04T07:38:44.74
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download