Earthquake with magnitude of ML 1.4 on date 21-09-2024 and time 21:35:38 (Italy) in region Confine Italia Francia (FRANCIA)

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

  • 21-09-2024 19:35:38 (UTC)
  • 21-09-2024 21:35:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.0140, 6.5630 at 12 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
Bardonecchia TO 13 3215 3215
Claviere TO 17 214 3429
Cesana Torinese TO 20 967 4396

Municipalities with at least 50000 inhabitants

An earthquake occurred to
88 Km W of Torino (890529 inhabitants)
88 Km W 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 2024-09-21
19:35:38
45.0145 6.5633 12 2024-09-21
19:41:33
Sala Sismica INGV-Roma 131603891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-21 19:35:38 ± 0.2
Latitude 45.0145 ± 0.0135
Longitude 6.5633 ± 0.0140
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131603891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1496
Semi-minor axis of confidence ellipse (meter) 1049
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
Circular confidence region, given by single value of horizontal uncertainty (meter) 1500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.83187
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 131603891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-21 19:41:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHZ. 2024-09-21T19:37:03.72 3.0 undecidable manual Pn 8.16 0
IV.GUMA.HHZ. 2024-09-21T19:36:59.65 3.0 negative manual Pn 2.21 0
IV.MTRZ.HHZ. 2024-09-21T19:36:49.10 3.0 undecidable manual Pg 15.32 0
IV.RIBO.EHZ.01 2024-09-21T19:36:43.50 3.0 undecidable manual Pn 5.53 0
ST.RONC.EHZ. 2024-09-21T19:36:34.06 3.0 negative manual Pn 7.47 0
GU.SATI.HHZ. 2024-09-21T19:36:04.63 3.0 undecidable manual P 1.98 0
GU.PZZ.HHZ. 2024-09-21T19:36:00.74 1.0 undecidable manual S 142 71.1732 91 0.3 23
GU.STV.HHZ. 2024-09-21T19:35:58.65 3.0 positive manual P 0.82 0
GU.LSD.HHZ. 2024-09-21T19:35:58.71 0.3 undecidable manual S 42 66.4779 91 -0.49 66
GU.RSP.HHZ. 2024-09-21T19:35:56.69 0.6 undecidable manual S 75 56.8986 91 0.05 51
GU.BHB.HHZ. 2024-09-21T19:35:56.24 0.3 undecidable manual S 110 58.3971 91 -0.8 61
RD.ORIF.BHE. 2024-09-21T19:35:55.15 0.6 undecidable manual S 259 54.7008 91 -0.89 42
IV.MRGE.HHZ. 2024-09-21T19:35:55.57 0.6 positive manual P 25 92.3409 91 0.94 37
GU.LSD.HHZ. 2024-09-21T19:35:51.14 1.0 undecidable manual P 42 66.4779 91 0.49 23
GU.PZZ.HHZ. 2024-09-21T19:35:51.86 0.3 negative manual P 142 71.1732 91 0.49 67
GU.RSP.HHZ. 2024-09-21T19:35:49.68 0.6 negative manual P 75 56.8986 91 0.5 47
GU.BHB.HHZ. 2024-09-21T19:35:49.97 1.0 undecidable manual P 110 58.3971 91 0.56 23
RD.ORIF.BHE. 2024-09-21T19:35:48.92 0.1 undecidable manual P 259 54.7008 91 0.09 100
GU.RRL.HHZ. 2024-09-21T19:35:46.64 0.6 undecidable manual S 120 20.5683 96 -0.3 52
GU.RRL.HHZ. 2024-09-21T19:35:43.57 0.6 positive manual P 120 20.5683 96 -0.01 55
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHN. ML:1.7 0.0003375 1.72 AML other m 2024-09-21T19:35:46.92
GU.RRL.HHE. ML:1.6 0.000247 1.22 AML other m 2024-09-21T19:35:47.65
GU.RSP.HHN. ML:1.0 0.00002235 0.18 AML other m 2024-09-21T19:35:58.36
GU.BHB.HHE. ML:1.3 0.00004514999999999999 0.7 AML other m 2024-09-21T19:35:58.65
GU.RSP.HHE. ML:1.1 0.00002835 0.9 AML other m 2024-09-21T19:35:58.71
GU.BHB.HHN. ML:1.2 0.0000347 0.92 AML other m 2024-09-21T19:35:59.66
GU.LSD.HHN. ML:1.3 0.00003315 1.1 AML other m 2024-09-21T19:36:00.83
GU.LSD.HHE. ML:1.2 0.0000297 0.16 AML other m 2024-09-21T19:36:00.82
GU.PZZ.HHE. ML:1.6 0.00006429999999999999 0.22 AML other m 2024-09-21T19:36:02.17
GU.PZZ.HHN. ML:1.6 0.00005895 0.2 AML other m 2024-09-21T19:36:02.17
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