Earthquake with magnitude of ML 1.4 on date 24-10-2023 and time 11:40:05 (Italy) in region 8 km SW Entracque (CN)

A magnitude ML 1.4 earthquake occured in region: 8 km SW Entracque (CN), on

  • 24-10-2023 09:40:05 (UTC)
  • 24-10-2023 11:40:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1930, 7.3200 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
Entracque CN 8 774 774
Valdieri CN 11 935 1709
Demonte CN 14 2003 3712
Roaschia CN 14 107 3819
Moiola CN 15 234 4053
Aisone CN 16 248 4301
Valloriate CN 17 109 4410
Vinadio CN 17 644 5054
Gaiola CN 17 582 5636
Vernante CN 18 1178 6814
Roccavione CN 19 2761 9575
Rittana CN 19 109 9684
Robilante CN 19 2306 11990
Roccasparvera CN 19 741 12731

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Cuneo (56081 inhabitants)
56 Km NW of Sanremo (54807 inhabitants)
93 Km W of Savona (61345 inhabitants)
95 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 1.4 2023-10-24
09:40:05
44.1933 7.3203 11 2023-10-24
09:54:08
Sala Sismica INGV-Roma 122332011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-24 09:40:05 ± 0.13
Latitude 44.1933 ± 0.0072
Longitude 7.3203 ± 0.0113
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122332011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1008
Semi-minor axis of confidence ellipse (meter) 562
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 1.25545
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 122332011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-24 09:54:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.ORIF.BHE. 2023-10-24T09:40:29.38 3.0 undecidable manual P 139.3605 1.25 0
GU.CANO.HHZ. 2023-10-24T09:40:26.84 1.0 undecidable manual S 88 72.9714 50 -0.31 22
GU.RORO.HHZ. 2023-10-24T09:40:23.20 0.6 undecidable manual S 98 60.0954 50 -0.52 42
4P.IT06A.HHZ. 2023-10-24T09:40:23.49 0.6 undecidable manual S 49 58.3971 50 0.21 45
GU.IMI.HHZ. 2023-10-24T09:40:21.85 1.0 undecidable manual S 124 55.4001 50 -0.62 20
GU.BURY.HHZ. 2023-10-24T09:40:20.59 1.0 undecidable manual S 157 49.3173 50 -0.26 23
GU.CANO.HHZ. 2023-10-24T09:40:18.03 0.6 undecidable manual P 88 72.9714 50 0.15 44
GU.PZZ.HHZ. 2023-10-24T09:40:17.28 0.6 undecidable manual S 335 38.3283 50 -0.63 42
GU.BHB.HHE. 2023-10-24T09:40:17.74 0.6 undecidable manual P 356 71.373 50 0.1 45
4P.IT06A.HHZ. 2023-10-24T09:40:16.16 0.1 positive manual P 49 58.3971 50 0.51 84
GU.RORO.HHZ. 2023-10-24T09:40:16.04 0.3 undecidable manual P 98 60.0954 50 0.14 69
GU.IMI.HHZ. 2023-10-24T09:40:15.32 0.3 negative manual P 124 55.4001 50 0.14 69
FR.SAOF.HHZ.00 2023-10-24T09:40:15.15 1.0 undecidable manual S 141 29.5482 50 -0.42 23
GU.BURY.HHZ. 2023-10-24T09:40:14.53 0.6 undecidable manual P 157 49.3173 50 0.29 45
GU.PZZ.HHZ. 2023-10-24T09:40:12.53 0.1 undecidable manual P 335 38.3283 50 -0.02 97
GU.GBOS.HHZ. 2023-10-24T09:40:12.95 0.6 undecidable manual P 82 41.625 50 -0.11 47
FR.SAOF.HHZ.00 2023-10-24T09:40:11.37 1.0 negative manual P 141 29.5482 50 0.18 24
GU.ENR.HHZ. 2023-10-24T09:40:09.80 0.6 undecidable manual S 63 8.7801 142 -0.32 48
GU.STV.HHZ. 2023-10-24T09:40:09.32 0.3 undecidable manual S 5 5.7942 153 -0.23 74
GU.ENR.HHZ. 2023-10-24T09:40:08.19 0.1 undecidable manual P 63 8.7801 142 0.14 100
GU.STV.HHZ. 2023-10-24T09:40:07.85 0.3 undecidable manual P 5 5.7942 153 0.13 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
FR.SAOF.HHN.00 ML:1.5 0.000138 0.78 AML other m 2023-10-24T09:40:15.24
FR.SAOF.HHE.00 ML:1.4 0.00010899999999999999 0.22 AML other m 2023-10-24T09:40:15.30
GU.PZZ.HHN. ML:1.5 0.0001119 0.12 AML other m 2023-10-24T09:40:17.68
GU.GBOS.HHN. ML:1.1 0.000044800000000000005 1.32 AML other m 2023-10-24T09:40:18.88
GU.PZZ.HHE. ML:1.4 0.00008075 1.12 AML other m 2023-10-24T09:40:18.40
GU.GBOS.HHE. ML:1.2 0.00004875 1.4 AML other m 2023-10-24T09:40:19.82
GU.RORO.HHN. ML:1.5 0.00006675000000000001 0.44 AML other m 2023-10-24T09:40:23.68
GU.RORO.HHE. ML:1.4 0.000051250000000000006 0.42 AML other m 2023-10-24T09:40:33.70
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