Earthquake with magnitude of ML 0.9 on date 02-09-2021 and time 19:39:42 (UTC) in region 7 km S Vinadio (CN)

A magnitude ML 0.9 earthquake occured in region: 7 km S Vinadio (CN), on

  • 02-09-2021 19:39:42 (UTC)
  • 02-09-2021 21:39:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2490, 7.1630 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Vinadio CN 7 644 644
Aisone CN 9 248 892
Sambuco CN 12 92 984
Demonte CN 13 2003 2987
Pietraporzio CN 15 77 3064
Castelmagno CN 18 66 3130
Entracque CN 19 774 3904
Valdieri CN 19 935 4839
Valloriate CN 20 109 4948
Moiola CN 20 234 5182

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Cuneo (56081 inhabitants)
69 Km NW of Sanremo (54807 inhabitants)
93 Km SW of Moncalieri (57294 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
Reviewed
Rev100
ML 0.9 2021-09-02
19:39:42
44.2492 7.1627 11 2021-09-02
19:43:51
Sala Sismica INGV-Roma 94969651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-02 19:39:42 ± 0.22
Latitude 44.2492 ± 0.0108
Longitude 7.1627 ± 0.0151
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 94969651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1618
Semi-minor axis of confidence ellipse (meter) 506
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 1620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.11691
Epicentral distance of station farthest from the epicenter (degree) 0.77072
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 94969651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-02 19:43:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2021-09-02T19:40:08.06 0.6 undecidable manual S 93 85.5477 50 0.11 43
GU.MGRO.HHZ. 2021-09-02T19:39:59.94 0.3 undecidable manual S 114 56.2992 50 -0.2 67
GU.GBOS.HHZ. 2021-09-02T19:39:59.43 0.3 undecidable manual S 91 53.8017 50 -0.06 69
GU.CANO.HHZ. 2021-09-02T19:39:57.71 0.1 undecidable manual P 93 85.5477 50 0.49 80
GU.GBOS.HHZ. 2021-09-02T19:39:52.53 0.1 undecidable manual P 91 53.8017 50 0.2 90
GU.MGRO.HHZ. 2021-09-02T19:39:52.47 0.1 undecidable manual P 114 56.2992 50 -0.24 89
GU.PZZ.HHZ. 2021-09-02T19:39:52.69 0.3 undecidable manual S 353 28.749 50 -0.12 72
GU.ENR.HHZ. 2021-09-02T19:39:50.38 0.3 undecidable manual S 96 20.4684 117 -0.16 72
GU.STV.HHZ. 2021-09-02T19:39:48.44 0.3 undecidable manual S 92 12.9759 129 0.06 75
GU.PZZ.HHZ. 2021-09-02T19:39:48.44 0.1 undecidable manual P 353 28.749 50 -0.04 97
GU.ENR.HHZ. 2021-09-02T19:39:47.11 0.1 undecidable manual P 96 20.4684 117 -0.05 98
GU.STV.HHZ. 2021-09-02T19:39:45.95 0.1 undecidable manual P 92 12.9759 129 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHN. ML:0.8 0.00007205 0.08 AML other m 2021-09-02T19:39:48.54
GU.STV.HHE. ML:0.6 0.0000467 0.38 AML other m 2021-09-02T19:39:48.52
GU.ENR.HHN. ML:1.1 0.00009565000000000001 0.38 AML other m 2021-09-02T19:39:50.63
GU.ENR.HHE. ML:0.9 0.00005665 0.26 AML other m 2021-09-02T19:39:50.62
GU.PZZ.HHN. ML:0.8 0.000033100000000000005 1.76 AML other m 2021-09-02T19:39:53.95
GU.PZZ.HHE. ML:1.0 0.00004405 0.2 AML other m 2021-09-02T19:39:53.29
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