Earthquake with magnitude of ML 0.8 on date 17-07-2022 and time 06:52:45 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 0.8 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 17-07-2022 04:52:45 (UTC)
  • 17-07-2022 06:52:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0290, 7.5930 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
Valtournenche AO 17 2277 2277

Municipalities with at least 50000 inhabitants

An earthquake occurred to
98 Km W of Varese (80799 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 0.8 2022-07-17
04:52:45
46.0288 7.5933 9 2022-07-17
04:58:48
Sala Sismica INGV-Roma 107357611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-17 04:52:45 ± 0.26
Latitude 46.0288 ± 0.0225
Longitude 7.5933 ± 0.0142
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 107357611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2421
Semi-minor axis of confidence ellipse (meter) 765
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 2420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52700
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 107357611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-17 04:58:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LATB.EHZ. 2022-07-17T04:54:31.58 3.0 positive manual Pg 18.43 0
IV.VVLD.HHZ. 2022-07-17T04:54:31.78 3.0 undecidable manual Pg 17.950001 0
IV.FIAM.HHZ. 2022-07-17T04:54:27.16 3.0 undecidable manual Pg 20.870001 0
GU.GSCL.HHZ. 2022-07-17T04:54:04.93 3.0 undecidable manual Sn 3.43 0
IV.SGAL.EHZ. 2022-07-17T04:53:43.34 3.0 undecidable manual Sn -0.01 0
IV.MDI.HHZ. 2022-07-17T04:53:39.18 3.0 undecidable manual Sg 6.91 0
OX.MARN.HHZ. 2022-07-17T04:53:30.20 3.0 undecidable manual Pg 3.9 0
GU.CIRO.HHE. 2022-07-17T04:53:00.38 0.3 undecidable manual S 182 47.4192 50 -0.82 59
GU.TRAV.HHZ. 2022-07-17T04:52:56.96 0.6 undecidable manual P 168 58.497 50 0.6 42
GU.SATI.HHZ. 2022-07-17T04:52:55.53 0.1 undecidable manual S 129 27.2505 109 -0.14 100
CH.MMK.HHE. 2022-07-17T04:52:55.52 0.1 undecidable manual S 85 28.6491 108 -0.62 88
GU.CIRO.HHE. 2022-07-17T04:52:54.85 0.1 undecidable manual P 182 47.4192 50 0.2 95
IV.MRGE.HHZ. 2022-07-17T04:52:54.94 0.6 negative manual P 235 50.1165 50 -0.13 48
GU.SATI.HHZ. 2022-07-17T04:52:52.03 0.1 undecidable manual P 129 27.2505 109 0.58 90
CH.MMK.HHE. 2022-07-17T04:52:52.07 0.1 undecidable manual P 85 28.6491 108 0.35 96
CH.DIX.HHZ. 2022-07-17T04:52:51.51 0.1 undecidable manual S 292 15.3735 121 -0.41 96
CH.DIX.HHZ. 2022-07-17T04:52:49.62 0.1 positive manual P 292 15.3735 121 0.33 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHN. ML:1.0 0.00010089999999999999 0.24 AML other m 2022-07-17T04:52:51.62
CH.DIX.HHE. ML:0.9 0.00007415 1.08 AML other m 2022-07-17T04:52:52.83
GU.SATI.HHN. ML:0.7 0.00002955 0.3 AML other m 2022-07-17T04:52:55.70
GU.SATI.HHE. ML:0.7 0.00002585 0.1 AML other m 2022-07-17T04:52:55.71
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