Earthquake with magnitude of ML 1.0 on date 11-09-2024 and time 01:57:49 (UTC) in region 6 km W La Thuile (AO)

A magnitude ML 1.0 earthquake occured in region: 6 km W La Thuile (AO), on

  • 11-09-2024 01:57:49 (UTC)
  • 11-09-2024 03:57:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.7000, 6.8760 at 10 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
La Thuile AO 6 761 761
Pré-Saint-Didier AO 11 1050 1811
Courmayeur AO 13 2807 4618
Morgex AO 14 2104 6722
La Salle AO 16 2087 8809
Valgrisenche AO 17 196 9005

Municipalities with at least 50000 inhabitants

An earthquake occurred to
94 Km NW of Torino (890529 inhabitants)
100 Km NW 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 1.0 2024-09-11
01:57:49
45.7005 6.8762 10 2024-09-11
02:11:12
Sala Sismica INGV-Roma 131349261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-11 01:57:49 ± 0.13
Latitude 45.7005 ± 0.0063
Longitude 6.8762 ± 0.0129
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131349261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1087
Semi-minor axis of confidence ellipse (meter) 583
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 303
Circular confidence region, given by single value of horizontal uncertainty (meter) 1090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.20509
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 131349261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-11 02:11:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2024-09-11T01:59:38.12 1.0 undecidable manual Sg 14.76 0
GU.BHB.HHZ. 2024-09-11T01:58:18.53 0.6 undecidable manual S 162 100.6215 50 -0.31 41
GU.RRL.HHZ. 2024-09-11T01:58:14.81 0.6 undecidable manual S 184 86.7465 50 -0.32 42
GU.SATI.HHE. 2024-09-11T01:58:13.54 0.6 undecidable manual S 75 79.1652 50 0.42 42
GU.PZZ.HHE. 2024-09-11T01:58:11.58 0.6 undecidable manual P 172 133.7661 50 0.11 40
GU.RSP.HHZ. 2024-09-11T01:58:09.84 0.6 undecidable manual S 154 68.376 50 -0.38 43
4P.IT02A.HHE. 2024-09-11T01:58:08.98 0.6 undecidable manual P 94 115.3956 50 0.34 39
IV.MONC.HHE. 2024-09-11T01:58:07.62 0.6 undecidable manual P 130 107.4147 50 0.22 41
CH.DIX.HHZ. 2024-09-11T01:58:07.53 0.6 undecidable manual S 44 58.7967 50 -0.15 46
GU.BHB.HHZ. 2024-09-11T01:58:06.80 0.3 undecidable manual P 162 100.6215 50 0.44 60
GU.CIRO.HHZ. 2024-09-11T01:58:06.55 0.6 undecidable manual S 101 54.8007 50 -0.05 47
GU.RRL.HHZ. 2024-09-11T01:58:04.34 0.1 undecidable manual P 184 86.7465 50 0.12 87
GU.SATI.HHE. 2024-09-11T01:58:02.57 0.1 undecidable manual P 75 79.1652 50 -0.48 82
GU.RSP.HHZ. 2024-09-11T01:58:01.66 0.3 undecidable manual P 154 68.376 50 0.28 66
GU.LSD.HHZ. 2024-09-11T01:58:00.48 0.6 undecidable manual S 143 33.3444 50 -0.41 45
CH.DIX.HHZ. 2024-09-11T01:58:00.34 0.6 undecidable manual P 44 58.7967 50 0.42 43
GU.CIRO.HHZ. 2024-09-11T01:57:59.61 0.6 undecidable manual P 101 54.8007 50 0.32 45
IV.MRGE.HHZ. 2024-09-11T01:57:55.93 0.6 undecidable manual S 62 16.2726 122 -0.01 51
GU.LSD.HHZ. 2024-09-11T01:57:55.93 0.1 positive manual P 143 33.3444 50 -0.07 98
GU.BLANC.HHZ. 2024-09-11T01:57:55.64 0.6 undecidable manual S 16 16.5723 121 -0.4 47
IV.MRGE.HHZ. 2024-09-11T01:57:53.26 0.1 undecidable manual P 62 16.2726 122 0.13 99
GU.BLANC.HHZ. 2024-09-11T01:57:53.10 0.1 undecidable manual P 16 16.5723 121 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHN. ML:1.2 0.0000629 0.28 AML other m 2024-09-11T01:58:00.98
GU.LSD.HHE. ML:1.2 0.0000708 0.3 AML other m 2024-09-11T01:58:00.69
GU.RSP.HHE. ML:0.8 0.000010146449 0.22 AML other m 2024-09-11T01:58:13.95
GU.RSP.HHN. ML:0.8 0.000009364461000000002 0.2 AML other m 2024-09-11T01:58:13.90
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