Earthquake with magnitude of ML 1.0 on date 04-07-2022 and time 18:04:03 (Italy) in region 2 km NE La Salle (AO)

A magnitude ML 1.0 earthquake occured in region: 2 km NE La Salle (AO), on

  • 04-07-2022 16:04:03 (UTC)
  • 04-07-2022 18:04:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.7660, 7.0830 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
La Salle AO 2 2087 2087
Morgex AO 4 2104 4191
Pré-Saint-Didier AO 7 1050 5241
Avise AO 8 305 5546
Saint-Nicolas AO 9 311 5857
Courmayeur AO 9 2807 8664
Arvier AO 10 873 9537
Saint-Rhémy-en-Bosses AO 10 338 9875
Introd AO 12 658 10533
La Thuile AO 12 761 11294
Villeneuve AO 12 1289 12583
Saint-Oyen AO 12 203 12786
Saint-Pierre AO 13 3165 15951
Etroubles AO 13 501 16452
Rhêmes-Saint-Georges AO 13 194 16646
Aymavilles AO 14 2086 18732
Sarre AO 15 4927 23659
Valgrisenche AO 15 196 23855
Allein AO 16 229 24084
Jovençan AO 16 736 24820
Gignod AO 17 1710 26530
Gressan AO 17 3387 29917
Roisan AO 18 1036 30953
Doues AO 19 510 31463
Aosta AO 19 34390 65853
Charvensod AO 20 2468 68321

Municipalities with at least 50000 inhabitants

An earthquake occurred to
90 Km NW of Torino (890529 inhabitants)
97 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 2022-07-04
16:04:03
45.7657 7.0828 9 2022-07-04
16:13:26
Sala Sismica INGV-Roma 106808351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-04 16:04:03 ± 0.26
Latitude 45.7657 ± 0.0144
Longitude 7.0828 ± 0.0451
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 106808351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3516
Semi-minor axis of confidence ellipse (meter) 1415
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 3520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38671
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 106808351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-04 16:13:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SATI.HHZ. 2022-07-04T16:04:17.94 3.0 undecidable manual P 1.23 0
GU.CIRO.HHZ. 2022-07-04T16:04:17.57 0.3 undecidable manual S 116 41.7249 50 -0.09 73
CH.DIX.HHZ. 2022-07-04T16:04:17.57 0.3 undecidable manual S 36 42.9237 50 -0.41 68
GU.LSD.HHZ. 2022-07-04T16:04:15.06 0.3 undecidable manual S 173 34.1436 50 -0.57 66
GU.CIRO.HHZ. 2022-07-04T16:04:12.28 0.6 positive manual P 116 41.7249 50 0.6 43
CH.DIX.HHZ. 2022-07-04T16:04:12.28 0.6 positive manual P 36 42.9237 50 0.41 45
GU.LSD.HHZ. 2022-07-04T16:04:10.87 0.1 positive manual P 173 34.1436 50 0.35 93
IV.MRGE.HHZ. 2022-07-04T16:04:06.27 0.1 undecidable manual S 285 1.7982 169 -0.35 99
IV.MRGE.HHZ. 2022-07-04T16:04:05.61 0.1 undecidable manual P 285 1.7982 169 0.29 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHE. ML:0.9 0.0000334 0.18 AML other m 2022-07-04T16:04:15.09
GU.LSD.HHN. ML:0.8 0.00002925 0.86 AML other m 2022-07-04T16:04:16.56
GU.CIRO.HHN. ML:0.9 0.0000272 0.18 AML other m 2022-07-04T16:04:17.76
GU.CIRO.HHE. ML:0.7 0.00001315 0.42 AML other m 2022-07-04T16:04:17.46
CH.DIX.HHN. ML:1.4 0.00009155 0.36 AML other m 2022-07-04T16:04:17.90
CH.DIX.HHE. ML:1.5 0.0001085 1.2 AML other m 2022-07-04T16:04:18.71
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