Earthquake with magnitude of ML 1.4 on date 29-04-2023 and time 20:15:45 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.4 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 29-04-2023 18:15:45 (UTC)
  • 29-04-2023 20:15:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8960, 6.6100 at 8 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
Claviere TO 12 214 214
Cesana Torinese TO 16 967 1181

Municipalities with at least 50000 inhabitants

An earthquake occurred to
86 Km W of Moncalieri (57294 inhabitants)
87 Km W of Torino (890529 inhabitants)
93 Km NW of Cuneo (56081 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 2023-04-29
18:15:45
44.8963 6.6097 8 2023-04-29
18:50:57
Sala Sismica INGV-Roma 116879851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-29 18:15:45 ± 0.2
Latitude 44.8963 ± 0.0099
Longitude 6.6097 ± 0.0127
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116879851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 971
Semi-minor axis of confidence ellipse (meter) 900
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 150
Circular confidence region, given by single value of horizontal uncertainty (meter) 970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.12950
Epicentral distance of station farthest from the epicenter (degree) 1.01623
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 116879851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-29 18:50:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.LSD.HHZ. 2023-04-29T18:16:07.87 0.3 undecidable manual S 33 74.7696 50 -0.72 56
GU.TRAV.HHZ. 2023-04-29T18:16:05.06 0.1 undecidable manual P 52 111.999 50 0.44 76
GU.REMY.HHE. 2023-04-29T18:16:04.58 0.1 undecidable manual P 22 112.7982 50 -0.15 81
IV.MRGE.HHE. 2023-04-29T18:16:03.89 0.1 undecidable manual P 20 103.119 50 0.66 72
GU.PZZ.HHZ. 2023-04-29T18:16:03.85 0.6 undecidable manual S 137 58.7967 50 -0.49 42
RD.ORIF.BHE. 2023-04-29T18:16:03.50 0.3 undecidable manual S 273 57.3981 50 -0.46 63
GU.STV.HHZ. 2023-04-29T18:16:01.98 1.0 negative manual P 142 91.8414 50 0.48 20
GU.LSD.HHZ. 2023-04-29T18:15:59.12 1.0 undecidable manual P 33 74.7696 50 0.25 21
RD.ORIF.BHE. 2023-04-29T18:15:56.36 0.1 undecidable manual P 273 57.3981 50 0.17 90
GU.RSP.HHZ. 2023-04-29T18:15:56.26 0.6 negative manual P 61 58.497 50 -0.1 45
GU.BHB.HHE. 2023-04-29T18:15:55.82 0.1 undecidable manual P 97 51.8037 50 0.49 85
GU.PZZ.HHZ. 2023-04-29T18:15:55.94 0.6 negative manual P 137 58.7967 50 -0.48 42
MN.BNI.HHZ. 2023-04-29T18:15:52.26 0.6 undecidable manual S 17 18.0708 115 -0.24 47
GU.RRL.HHZ. 2023-04-29T18:15:50.97 0.6 undecidable manual S 79 14.3745 120 -0.41 46
MN.BNI.HHZ. 2023-04-29T18:15:49.75 1.0 negative manual P 17 18.0708 115 0.17 24
GU.RRL.HHZ. 2023-04-29T18:15:48.91 0.1 undecidable manual P 79 14.3745 120 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.BNI.HHE. ML:0.9 0.00006435 0.92 AML other m 2023-04-29T18:15:53.04
GU.RSP.HNE. ML:1.7 0.000106961795 0.96 AML other m 2023-04-29T18:16:06.01
MN.BNI.HHN. ML:0.7 0.00004315 0.86 AML other m 2023-04-29T18:15:56.17
GU.PZZ.HHE. ML:2.0 0.0001955 0.18 AML other m 2023-04-29T18:16:05.39
GU.RSP.HHN. ML:1.0 0.00001795 0.42 AML other m 2023-04-29T18:16:05.65
GU.PZZ.HHN. ML:1.9 0.00017199999999999998 0.76 AML other m 2023-04-29T18:16:05.55
GU.RSP.HNN. ML:1.8 0.0001265 1.38 AML other m 2023-04-29T18:16:05.70
GU.RSP.HHE. ML:1.0 0.000018799999999999996 1.2 AML other m 2023-04-29T18:16:05.11
GU.LSD.HHE. ML:0.0 0.000060799999999999994 0.16 AML other m 2023-04-29T18:16:08.32
GU.LSD.HHN. ML:0.0 0.0000422 0.14 AML other m 2023-04-29T18:16:10.78
GU.STV.HHN. ML:1.2 0.000020799999999999997 0.7 AML other m 2023-04-29T18:16:14.18
GU.STV.HHE. ML:1.4 0.000023449999999999997 0.72 AML other m 2023-04-29T18:16:14.57
GU.TRAV.HHN. ML:1.5 0.00002525 0.28 AML other m 2023-04-29T18:16:19.71
GU.TRAV.HHE. ML:1.6 0.00002785 0.22 AML other m 2023-04-29T18:16:19.99
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