Earthquake with magnitude of ML 1.7 on date 20-02-2024 and time 22:39:19 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.7 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 20-02-2024 22:39:19 (UTC)
  • 20-02-2024 23:39:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.7760, 6.6100 at 9 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
86 Km W of Cuneo (56081 inhabitants)
88 Km W of Moncalieri (57294 inhabitants)
91 Km W 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 1.7 2024-02-20
22:39:19
44.7763 6.6105 9 2024-02-20
22:43:28
Sala Sismica INGV-Roma 125410331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-20 22:39:19 ± 0.48
Latitude 44.7763 ± 0.0225
Longitude 6.6105 ± 0.0165
Depth (km) 9 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125410331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2333
Semi-minor axis of confidence ellipse (meter) 1034
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 2330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.04231
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 125410331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-20 22:43:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.IMI.HHZ. 2024-02-20T22:39:44.59 3.0 negative manual P 1.26 0
GU.RORO.HHZ. 2024-02-20T22:39:42.99 3.0 undecidable manual P 0.26 0
IV.MRGE.HHZ. 2024-02-20T22:39:39.54 0.6 undecidable manual P 18 115.6953 50 0.83 36
RD.ORIF.BHE. 2024-02-20T22:39:37.12 0.3 undecidable manual S 286 59.5959 50 -0.87 60
GU.BHB.HHZ. 2024-02-20T22:39:35.21 0.3 undecidable manual S 82 51.8037 50 -0.69 66
GU.PZZ.HHZ. 2024-02-20T22:39:35.14 0.3 undecidable manual S 127 49.8168 50 -0.25 75
GU.LSD.HHZ. 2024-02-20T22:39:34.58 0.3 positive manual P 28 86.1471 50 0.42 67
GU.RSP.HHZ. 2024-02-20T22:39:31.57 0.1 undecidable manual P 51 65.8896 50 0.54 90
RD.ORIF.BHE. 2024-02-20T22:39:30.22 0.1 undecidable manual P 286 59.5959 50 0.16 100
GU.BHB.HHZ. 2024-02-20T22:39:29.08 0.3 undecidable manual P 82 51.8037 50 0.22 75
GU.PZZ.HHZ. 2024-02-20T22:39:28.79 0.3 undecidable manual P 127 49.8168 50 0.22 75
GU.RRL.HHZ. 2024-02-20T22:39:26.67 0.3 undecidable manual S 41 21.3675 114 -0.65 70
GU.RRL.HHZ. 2024-02-20T22:39:24.01 0.6 undecidable manual P 41 21.3675 114 0.1 54
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHN. ML:1.7 0.00034199999999999996 0.18 AML other m 2024-02-20T22:39:26.87
GU.RRL.HHE. ML:2.0 0.000668 0.3 AML other m 2024-02-20T22:39:27.19
GU.PZZ.HHN. ML:1.6 0.0000989 0.16 AML other m 2024-02-20T22:39:36.31
GU.PZZ.HHE. ML:1.6 0.00009925 0.14 AML other m 2024-02-20T22:39:36.41
GU.IMI.HHE. ML:1.7 0.0000311 0.42 AML other m 2024-02-20T22:39:46.22
GU.IMI.HHN. ML:1.9 0.00004355000000000001 1.58 AML other m 2024-02-20T22:40:12.13
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