Earthquake with magnitude of ML 0.9 on date 18-07-2022 and time 22:46:10 (UTC) in region 4 km S Bionaz (AO)

A magnitude ML 0.9 earthquake occured in region: 4 km S Bionaz (AO), on

  • 18-07-2022 22:46:10 (UTC)
  • 19-07-2022 00:46:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.8400, 7.4330 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Bionaz AO 4 236 236
Oyace AO 4 219 455
Valpelline AO 8 657 1112
Ollomont AO 10 157 1269
Doues AO 10 510 1779
Quart AO 11 4039 5818
Roisan AO 11 1036 6854
Nus AO 11 2984 9838
Torgnon AO 12 558 10396
Verrayes AO 12 1302 11698
Saint-Christophe AO 12 3432 15130
Saint-Marcel AO 12 1362 16492
Fénis AO 12 1813 18305
Gignod AO 13 1710 20015
Brissogne AO 13 1008 21023
Allein AO 13 229 21252
Antey-Saint-André AO 13 602 21854
Pollein AO 14 1569 23423
Saint-Denis AO 14 378 23801
Chambave AO 14 931 24732
Aosta AO 14 34390 59122
Chamois AO 15 97 59219
La Magdeleine AO 15 109 59328
Valtournenche AO 15 2277 61605
Etroubles AO 16 501 62106
Charvensod AO 16 2468 64574
Pontey AO 17 817 65391
Saint-Oyen AO 17 203 65594
Gressan AO 17 3387 68981
Châtillon AO 17 4772 73753
Jovençan AO 19 736 74489
Sarre AO 19 4927 79416
Saint-Vincent AO 19 4660 84076
Saint-Rhémy-en-Bosses AO 20 338 84414

Municipalities with at least 50000 inhabitants

An earthquake occurred to
87 Km N of Torino (890529 inhabitants)
95 Km N 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
Bulletin
Rev1000
ML 0.9 2022-07-18
22:46:10
45.8398 7.4332 8 2023-01-31
19:03:48
Bollettino Sismico Italiano INGV 110177951
Reviewed
Rev100
ML 0.9 2022-07-18
22:46:10
45.8415 7.4398 8 2022-07-18
22:55:58
Sala Sismica INGV-Roma 107432281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-18 22:46:10 ± 0.13
Latitude 45.8398 ± 0.0063
Longitude 7.4332 ± 0.0103
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110177951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 742
Semi-minor axis of confidence ellipse (meter) 456
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
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) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.24102
Epicentral distance of station farthest from the epicenter (degree) 1.42722
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 110177951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-26 12:34:33

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 107432281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-18 22:55:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUSIO.HHZ. 2022-07-18T22:46:45.14 0.6 undecidable manual S 54 116.5944 50 0.74 37
RD.ORIF.BHE. 2022-07-18T22:46:35.75 0.3 undecidable manual P 230 158.4192 50 -0.62 52
GU.RSP.HHZ. 2022-07-18T22:46:33.85 0.3 undecidable manual S 190 77.8665 50 -0.2 69
CH.FUSIO.HHZ. 2022-07-18T22:46:29.40 1.0 undecidable manual P 54 116.5944 50 -0.53 20
CH.MMK.HHE. 2022-07-18T22:46:25.04 0.6 undecidable manual S 60 47.1195 50 -0.83 40
GU.LSD.HHE. 2022-07-18T22:46:25.37 0.6 undecidable manual S 209 48.1185 50 -0.76 41
GU.TRAV.HHZ. 2022-07-18T22:46:24.54 0.6 undecidable manual S 146 43.7229 50 -0.41 47
GU.RSP.HHZ. 2022-07-18T22:46:24.38 0.6 undecidable manual P 190 77.8665 50 0.43 44
GU.SATI.HHZ. 2022-07-18T22:46:21.51 0.6 undecidable manual S 83 33.8439 103 -0.72 43
GU.CIRO.HHE. 2022-07-18T22:46:20.12 0.1 undecidable manual S 158 28.3494 106 -0.27 100
IV.MRGE.HHE. 2022-07-18T22:46:20.33 0.3 undecidable manual S 255 29.8479 105 -0.53 70
GU.LSD.HHE. 2022-07-18T22:46:19.76 0.1 undecidable manual P 209 48.1185 50 0.38 94
CH.DIX.HHZ. 2022-07-18T22:46:19.30 0.3 undecidable manual S 356 26.751 107 -0.54 71
GU.TRAV.HHZ. 2022-07-18T22:46:19.09 0.1 negative manual P 146 43.7229 50 0.4 95
CH.MMK.HHE. 2022-07-18T22:46:19.56 0.1 undecidable manual P 60 47.1195 50 0.34 95
GU.SATI.HHZ. 2022-07-18T22:46:17.11 0.3 negative manual P 83 33.8439 103 -0.01 78
IV.MRGE.HHE. 2022-07-18T22:46:16.83 0.1 undecidable manual P 255 29.8479 105 0.5 95
CH.DIX.HHZ. 2022-07-18T22:46:16.05 0.1 positive manual P 356 26.751 107 0.31 99
GU.CIRO.HHE. 2022-07-18T22:46:16.57 0.1 undecidable manual P 158 28.3494 106 0.51 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHN. ML:1.0 0.000058251689999999996 0.0768 AML other m 2022-07-18T22:46:20.33
CH.DIX.HHE. ML:1.1 0.000063931745 0.0896 AML other m 2022-07-18T22:46:22.11
GU.SATI.HHN. ML:0.8 0.0000247 0.46 AML other m 2022-07-18T22:46:22.49
GU.SATI.HNN. ML:0.7 0.0000216966455 0.0896 AML other m 2022-07-18T22:46:22.49
GU.SATI.HHE. ML:0.5 0.0000167 0.18 AML other m 2022-07-18T22:46:22.79
GU.TRAV.HHE. ML:1.2 0.000042499999999999996 1.9 AML other m 2022-07-18T22:46:24.99
GU.TRAV.HHN. ML:1.2 0.000044638325 0.1024 AML other m 2022-07-18T22:46:25.04
GU.RSP.HHN. ML:0.8 0.000008249670000000001 0.1792 AML other m 2022-07-18T22:46:34.16
GU.RSP.HHE. ML:0.8 0.0000088342495 1.8208 AML other m 2022-07-18T22:46:34.93
GU.SATI.HNE. ML:0.5 0.000015688278499999998 0.064 AML other m 2022-07-18T22:46:22.78
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