Earthquake with magnitude of ML 1.2 on date 26-03-2024 and time 19:37:20 (UTC) in region 6 km W Valgrisenche (AO)

A magnitude ML 1.2 earthquake occured in region: 6 km W Valgrisenche (AO), on

  • 26-03-2024 19:37:20 (UTC)
  • 26-03-2024 20:37:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.6440, 6.9960 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Valgrisenche AO 6 196 196
La Thuile AO 9 761 957
Rhêmes-Saint-Georges AO 13 194 1151
Rhêmes-Notre-Dame AO 13 89 1240
La Salle AO 13 2087 3327
Morgex AO 13 2104 5431
Pré-Saint-Didier AO 13 1050 6481
Avise AO 14 305 6786
Arvier AO 15 873 7659
Saint-Nicolas AO 16 311 7970
Introd AO 16 658 8628
Courmayeur AO 17 2807 11435
Valsavarenche AO 18 161 11596
Villeneuve AO 18 1289 12885
Saint-Pierre AO 20 3165 16050

Municipalities with at least 50000 inhabitants

An earthquake occurred to
83 Km NW of Torino (890529 inhabitants)
90 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 1.2 2024-03-26
19:37:20
45.6443 6.996 9 2024-03-26
19:42:04
Sala Sismica INGV-Roma 126181141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-26 19:37:20 ± 0.14
Latitude 45.6443 ± 0.0045
Longitude 6.9960 ± 0.0154
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126181141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1188
Semi-minor axis of confidence ellipse (meter) 453
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.13310
Epicentral distance of station farthest from the epicenter (degree) 1.84631
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 126181141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-26 19:42:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.IMI.HHZ. 2024-03-26T19:37:52.18 1.0 undecidable manual P 160 204.9393 38 -0.29 14
GU.BHB.HHZ. 2024-03-26T19:37:48.00 0.6 undecidable manual S 167 92.1411 50 0.48 40
GU.SATI.HHZ. 2024-03-26T19:37:42.68 0.6 undecidable manual S 69 72.2721 50 0.47 41
GU.RSP.HHE. 2024-03-26T19:37:38.22 0.3 undecidable manual S 159 58.8966 50 -0.43 64
GU.TRAV.HHE. 2024-03-26T19:37:38.40 0.6 undecidable manual S 104 60.0954 50 -0.56 41
CH.DIX.HHZ. 2024-03-26T19:37:38.35 0.6 undecidable manual S 33 57.8976 50 -0.03 47
GU.BHB.HHZ. 2024-03-26T19:37:36.16 0.1 undecidable manual P 167 92.1411 50 0.25 83
GU.CIRO.HHZ. 2024-03-26T19:37:34.19 0.3 undecidable manual S 96 44.622 50 -0.66 61
GU.SATI.HHZ. 2024-03-26T19:37:33.22 0.1 undecidable manual P 69 72.2721 50 0.38 84
GU.TRAV.HHE. 2024-03-26T19:37:31.47 0.1 undecidable manual P 104 60.0954 50 0.5 84
CH.DIX.HHZ. 2024-03-26T19:37:30.77 1.0 negative manual P 33 57.8976 50 0.14 23
GU.RSP.HHE. 2024-03-26T19:37:30.51 0.3 undecidable manual P 159 58.8966 50 -0.28 66
GU.CIRO.HHZ. 2024-03-26T19:37:28.63 0.6 undecidable manual P 96 44.622 50 0.05 48
GU.BLANC.HHZ. 2024-03-26T19:37:28.10 0.6 undecidable manual S 348 22.6551 112 -0.43 46
GU.LSD.HHZ. 2024-03-26T19:37:28.58 0.6 undecidable manual S 152 23.1546 112 -0.09 49
IV.MRGE.HHZ. 2024-03-26T19:37:26.18 0.6 undecidable manual S 20 14.7741 122 0.11 49
GU.LSD.HHZ. 2024-03-26T19:37:25.09 0.1 undecidable manual P 152 23.1546 112 0.07 98
GU.BLANC.HHZ. 2024-03-26T19:37:24.78 0.1 undecidable manual P 348 22.6551 112 -0.16 97
IV.MRGE.HHZ. 2024-03-26T19:37:23.58 0.1 positive manual P 20 14.7741 122 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRGE.HHE. ML:1.3 0.00021400000000000002 0.08 AML other m 2024-03-26T19:37:26.18
IV.MRGE.HHN. ML:1.4 0.00026450000000000003 0.46 AML other m 2024-03-26T19:37:26.45
GU.LSD.HHE. ML:1.1 0.0000835 0.14 AML other m 2024-03-26T19:37:28.43
GU.LSD.HHN. ML:1.0 0.0000688 0.22 AML other m 2024-03-26T19:37:28.68
GU.SATI.HHN. ML:1.1 0.00002225 0.42 AML other m 2024-03-26T19:37:36.26
GU.SATI.HHE. ML:1.3 0.000032365000000000006 0.48 AML other m 2024-03-26T19:37:48.60
GU.CIRO.HHE. ML:0.5 0.000008840331 0.14 AML other m 2024-03-26T19:37:34.75
GU.CIRO.HHN. ML:0.9 0.000023852350000000002 0.1 AML other m 2024-03-26T19:37:34.32
CH.DIX.HHE. ML:1.8 0.00014884585 2.89 AML other m 2024-03-26T19:37:48.29
CH.DIX.HHN. ML:1.4 0.000054495205 0.21 AML other m 2024-03-26T19:37:39.43
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