Earthquake with magnitude of ML 1.1 on date 23-07-2022 and time 09:34:16 (UTC) in region 10 km S Rhêmes Notre Dame (AO)

A magnitude ML 1.1 earthquake occured in region: 10 km S Rhêmes Notre Dame (AO), on

  • 23-07-2022 09:34:16 (UTC)
  • 23-07-2022 11:34:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.4770, 7.1010 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
Rhêmes-Notre-Dame AO 11 89 89
Ceresole Reale TO 11 156 245
Valsavarenche AO 15 161 406
Noasca TO 17 137 543
Valgrisenche AO 17 196 739
Groscavallo TO 19 204 943

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km NW of Torino (890529 inhabitants)
70 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 1.1 2022-07-23
09:34:16
45.4773 7.101 9 2022-07-23
09:40:35
Sala Sismica INGV-Roma 107596281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-23 09:34:16 ± 0.16
Latitude 45.4773 ± 0.0090
Longitude 7.1010 ± 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 107596281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1267
Semi-minor axis of confidence ellipse (meter) 871
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 1270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 1.02523
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 107596281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-23 09:40:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.ORIF.BHE. 2022-07-23T09:34:35.15 0.6 undecidable manual P 237 113.7972 50 -0.33 38
MN.BNI.HHZ. 2022-07-23T09:34:33.82 0.3 undecidable manual S 215 57.5979 50 -0.72 57
GU.TRAV.HHZ. 2022-07-23T09:34:32.39 0.3 undecidable manual S 85 50.3163 50 -0.2 67
GU.BHB.HHZ. 2022-07-23T09:34:29.69 0.1 undecidable manual P 170 72.2721 50 0.61 77
GU.CIRO.HHZ. 2022-07-23T09:34:29.04 0.3 undecidable manual S 69 38.8278 50 -0.49 64
GU.RSP.HHZ. 2022-07-23T09:34:28.73 0.3 undecidable manual S 161 38.7279 50 -0.76 57
GU.RRL.HHE. 2022-07-23T09:34:28.58 0.1 undecidable manual P 202 66.2781 50 0.42 82
IV.MRGE.HHZ. 2022-07-23T09:34:27.60 0.6 undecidable manual S 355 32.5452 50 -0.26 45
MN.BNI.HHZ. 2022-07-23T09:34:27.00 0.3 undecidable manual P 215 57.5979 50 0.19 66
GU.TRAV.HHZ. 2022-07-23T09:34:26.26 0.1 undecidable manual P 85 50.3163 50 0.57 81
GU.CIRO.HHZ. 2022-07-23T09:34:24.16 0.1 undecidable manual P 69 38.8278 50 0.24 90
GU.RSP.HHZ. 2022-07-23T09:34:24.19 0.1 undecidable manual P 161 38.7279 50 0.29 89
IV.MRGE.HHZ. 2022-07-23T09:34:22.89 0.1 positive manual P 355 32.5452 50 -0.06 94
GU.LSD.HHZ. 2022-07-23T09:34:19.26 0.1 undecidable manual S 128 3.1968 160 -0.32 94
GU.LSD.HHZ. 2022-07-23T09:34:18.20 0.1 negative manual P 128 3.1968 160 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRGE.HHN. ML:1.4 0.0000991 0.38 AML other m 2022-07-23T09:34:28.18
GU.RSP.HHE. ML:1.3 0.00006584999999999999 1.1 AML other m 2022-07-23T09:34:29.70
IV.MRGE.HHE. ML:1.2 0.00007250000000000001 1.42 AML other m 2022-07-23T09:34:30.82
GU.CIRO.HHN. ML:0.8 0.000026099999999999997 0.28 AML other m 2022-07-23T09:34:30.20
GU.RSP.HHN. ML:1.0 0.0000383 0.66 AML other m 2022-07-23T09:34:32.49
GU.CIRO.HHE. ML:0.8 0.00001795 0.58 AML other m 2022-07-23T09:34:33.23
GU.TRAV.HHN. ML:1.1 0.00003395 0.24 AML other m 2022-07-23T09:34:33.38
MN.BNI.HHE. ML:1.0 0.0000204 0.48 AML other m 2022-07-23T09:34:35.23
MN.BNI.HHN. ML:1.1 0.000024500000000000003 0.36 AML other m 2022-07-23T09:34:35.47
GU.TRAV.HHE. ML:1.1 0.000029200000000000005 0.62 AML other m 2022-07-23T09:34:38.38
GU.BHB.HHN. ML:1.3 0.00003725 0.84 AML other m 2022-07-23T09:34:39.94
GU.BHB.HHE. ML:1.2 0.000027049999999999997 1.02 AML other m 2022-07-23T09:34:40.11
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