Earthquake with magnitude of ML 1.5 on date 22-10-2020 and time 12:05:55 (Italy) in region 4 km W Roccavione (CN)

A magnitude ML 1.5 earthquake occured in region: 4 km W Roccavione (CN), on

  • 22-10-2020 10:05:55 (UTC)
  • 22-10-2020 12:05:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3030, 7.4400 at 10 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 4 2761 2761
Roaschia CN 4 107 2868
Roccasparvera CN 4 741 3609
Valdieri CN 4 935 4544
Gaiola CN 5 582 5126
Moiola CN 5 234 5360
Borgo San Dalmazzo CN 5 12468 17828
Robilante CN 6 2306 20134
Rittana CN 6 109 20243
Valloriate CN 7 109 20352
Vignolo CN 7 2600 22952
Entracque CN 8 774 23726
Cervasca CN 9 5013 28739
Boves CN 10 9835 38574
Bernezzo CN 10 4104 42678
Vernante CN 10 1178 43856
Demonte CN 11 2003 45859
Valgrana CN 13 786 46645
Caraglio CN 13 6836 53481
Cuneo CN 14 56081 109562
Peveragno CN 15 5543 115105
Monterosso Grana CN 15 505 115610
Limone Piemonte CN 16 1485 117095
Montemale di Cuneo CN 16 241 117336
Aisone CN 17 248 117584
Beinette CN 18 3423 121007
Pradleves CN 18 250 121257
Chiusa di Pesio CN 19 3676 124933
Dronero CN 19 7035 131968

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SW of Cuneo (56081 inhabitants)
60 Km NW of Sanremo (54807 inhabitants)
80 Km S of Moncalieri (57294 inhabitants)
83 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 1.5 2020-10-22
10:05:55
44.3027 7.4403 10 2021-02-26
14:56:17
Bollettino Sismico Italiano INGV 86831241
Reviewed
Rev100
ML 1.5 2020-10-22
10:05:55
44.3138 7.4633 10 2020-10-22
10:15:02
Sala Sismica INGV-Roma 84022971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-22 10:05:55 ± 0.11
Latitude 44.3027 ± 0.0108
Longitude 7.4403 ± 0.0126
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86831241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1432
Semi-minor axis of confidence ellipse (meter) 561
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 1430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.85436
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 86831241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-04 15:10:26

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 84022971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-22 10:15:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHZ. 2020-10-22T10:06:23.05 0.6 undecidable manual S 73 91.4418 50 0.28 41
GU.RRL.HHZ. 2020-10-22T10:06:21.32 1.0 undecidable manual S 323 85.6476 50 0.09 22
IV.QLNO.HHE. 2020-10-22T10:06:17.09 0.3 undecidable manual S 88 71.8725 50 -0.46 61
GU.CANO.HHZ. 2020-10-22T10:06:14.76 0.3 undecidable manual S 99 64.1913 50 -0.73 56
IV.IMI.HHZ. 2020-10-22T10:06:13.28 0.3 undecidable manual S 140 56.499 50 -0.16 67
GU.BHB.HHZ. 2020-10-22T10:06:13.76 0.3 undecidable manual S 347 60.6948 50 -0.81 55
GU.RORO.HHZ. 2020-10-22T10:06:12.71 0.3 undecidable manual S 113 54.1014 50 -0.08 69
GU.PCP.HHZ. 2020-10-22T10:06:12.30 0.3 undecidable manual P 73 91.4418 50 0.95 49
GU.RSP.HHZ. 2020-10-22T10:06:11.52 0.3 undecidable manual P 352 94.8384 50 -0.35 60
GU.RRL.HHZ. 2020-10-22T10:06:10.97 0.3 undecidable manual P 323 85.6476 50 0.51 59
IV.QLNO.HHE. 2020-10-22T10:06:08.72 0.3 undecidable manual P 88 71.8725 50 0.38 62
GU.PZZ.HHZ. 2020-10-22T10:06:07.32 0.3 undecidable manual S 311 34.2435 50 -0.18 70
GU.CANO.HHZ. 2020-10-22T10:06:07.41 0.3 undecidable manual P 99 64.1913 50 0.26 65
GU.BHB.HHZ. 2020-10-22T10:06:06.60 0.1 undecidable manual P 347 60.6948 50 -0.02 92
IV.IMI.HHZ. 2020-10-22T10:06:06.28 0.1 undecidable manual P 140 56.499 50 0.31 87
GU.RORO.HHZ. 2020-10-22T10:06:05.73 0.3 undecidable manual P 113 54.1014 50 0.14 68
GU.PZZ.HHZ. 2020-10-22T10:06:02.80 0.1 undecidable manual P 311 34.2435 50 0.26 91
GU.GBOS.HHZ. 2020-10-22T10:06:02.19 0.1 undecidable manual P 102 32.4453 50 -0.07 95
GU.STV.HHZ. 2020-10-22T10:06:00.77 0.1 undecidable manual S 235 11.0778 133 -0.27 95
GU.ENR.HHZ. 2020-10-22T10:06:00.04 0.1 undecidable manual S 192 8.2806 141 -0.34 94
GU.STV.HHZ. 2020-10-22T10:05:59.16 0.1 undecidable manual P 235 11.0778 133 0.36 93
GU.ENR.HHZ. 2020-10-22T10:05:58.47 0.1 undecidable manual P 192 8.2806 141 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.ENR.HHE. ML:2.6 0.006019999999999999 0.06 AML other m 2020-10-22T10:06:00.08
GU.ENR.HHN. ML:2.5 0.00401 0.06 AML other m 2020-10-22T10:06:00.12
GU.STV.HHE. ML:1.3 0.00022849999999999997 0.26 AML other m 2020-10-22T10:06:00.84
GU.STV.HHN. ML:1.2 0.0001965 0.1 AML other m 2020-10-22T10:06:00.85
GU.GBOS.HHE. ML:1.3 0.00008325 0.38 AML other m 2020-10-22T10:06:06.23
GU.GBOS.HHN. ML:1.4 0.00010365 0.86 AML other m 2020-10-22T10:06:06.73
GU.PZZ.HHE. ML:1.6 0.000146 0.54 AML other m 2020-10-22T10:06:07.75
GU.PZZ.HHN. ML:1.6 0.0001785 0.1 AML other m 2020-10-22T10:06:08.22
GU.RORO.HHN. ML:1.6 0.00009625745500000001 1.7824 AML other m 2020-10-22T10:06:13.00
GU.BHB.HHN. ML:1.4 0.00004835 1.12 AML other m 2020-10-22T10:06:14.69
IV.IMI.HHE. ML:1.1 0.000032153 0.2944 AML other m 2020-10-22T10:06:14.84
IV.IMI.HHN. ML:1.3 0.00004633114 0.0832 AML other m 2020-10-22T10:06:14.70
GU.CANO.HHN. ML:1.6 0.000078814835 1.7248 AML other m 2020-10-22T10:06:14.13
GU.BHB.HHE. ML:1.4 0.0000443 1.02 AML other m 2020-10-22T10:06:15.20
SI.LUSI.HHE. ML:2.7 0.000049600000000000006 0.7 AML other m 2020-10-22T10:06:56.41
SI.LUSI.HHN. ML:2.9 0.00007455000000000001 0.64 AML other m 2020-10-22T10:06:57.94
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