Earthquake with magnitude of ML 1.2 on date 17-09-2023 and time 12:44:51 (Italy) in region 6 km N Vinadio (CN)

A magnitude ML 1.2 earthquake occured in region: 6 km N Vinadio (CN), on

  • 17-09-2023 10:44:51 (UTC)
  • 17-09-2023 12:44:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3610, 7.1770 at 7 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 6 644 644
Aisone CN 6 248 892
Castelmagno CN 6 66 958
Sambuco CN 8 92 1050
Pradleves CN 11 250 1300
Demonte CN 11 2003 3303
Pietraporzio CN 12 77 3380
Marmora CN 13 68 3448
Monterosso Grana CN 13 505 3953
Canosio CN 13 80 4033
Celle di Macra CN 14 100 4133
Macra CN 16 59 4192
San Damiano Macra CN 16 430 4622
Cartignano CN 16 190 4812
Valloriate CN 16 109 4921
Argentera CN 17 83 5004
Prazzo CN 17 170 5174
Stroppo CN 17 103 5277
Valgrana CN 17 786 6063
Moiola CN 18 234 6297
Montemale di Cuneo CN 18 241 6538
Rittana CN 18 109 6647
Roccabruna CN 18 1585 8232
Gaiola CN 19 582 8814
Dronero CN 19 7035 15849
Acceglio CN 20 162 16011
Valdieri CN 20 935 16946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Cuneo (56081 inhabitants)
77 Km NW of Sanremo (54807 inhabitants)
82 Km SW of Moncalieri (57294 inhabitants)
89 Km SW of Torino (890529 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 1.2 2023-09-17
10:44:51
44.3607 7.1773 7 2023-09-17
10:54:44
Sala Sismica INGV-Roma 121131881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-17 10:44:51 ± 0.15
Latitude 44.3607 ± 0.0099
Longitude 7.1773 ± 0.0201
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121131881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1877
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 1880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62413
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 121131881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-17 10:54:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHZ. 2023-09-17T10:45:13.40 0.1 undecidable manual S 334 69.2751 50 0 92
4P.IT06A.HHZ. 2023-09-17T10:45:12.18 3.0 undecidable manual S -0.01 0
GU.BHB.HHZ. 2023-09-17T10:45:09.20 0.3 undecidable manual S 7 53.1024 50 0.11 69
GU.RRL.HHZ. 2023-09-17T10:45:03.90 0.3 undecidable manual P 334 69.2751 50 -0.27 65
GU.BHB.HHZ. 2023-09-17T10:45:01.65 0.1 undecidable manual P 7 53.1024 50 -0.03 94
GU.GBOS.HHZ. 2023-09-17T10:45:00.02 3.0 undecidable manual P -2.04 0
GU.ENR.HHE. 2023-09-17T10:44:59.96 0.3 undecidable manual S 127 24.0537 106 -0.29 70
GU.ENR.HHE. 2023-09-17T10:44:57.01 0.3 undecidable manual P 127 24.0537 106 0.44 68
GU.PZZ.HHZ. 2023-09-17T10:44:57.88 0.1 undecidable manual S 343 16.872 113 -0.04 100
GU.STV.HHZ. 2023-09-17T10:44:57.94 0.1 undecidable manual S 137 17.4714 112 -0.14 98
GU.PZZ.HHZ. 2023-09-17T10:44:55.26 0.1 undecidable manual P 343 16.872 113 0.03 100
GU.STV.HHZ. 2023-09-17T10:44:55.51 0.1 undecidable manual P 137 17.4714 112 0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:1.2 0.000151 0.6 AML other m 2023-09-17T10:44:58.74
GU.STV.HHN. ML:0.8 0.0000616 1.26 AML other m 2023-09-17T10:44:58.16
GU.PZZ.HHN. ML:1.1 0.00013105 0.82 AML other m 2023-09-17T10:44:59.38
GU.STV.HHE. ML:0.8 0.00006065 1.6 AML other m 2023-09-17T10:45:00.89
4P.IT06A.HHN. ML:1.6 0.00008895000000000001 0.84 AML other m 2023-09-17T10:45:13.42
4P.IT06A.HHE. ML:1.7 0.00010769999999999999 0.96 AML other m 2023-09-17T10:45:16.72
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