Earthquake with magnitude of ML 1.6 on date 27-09-2022 and time 21:15:49 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.6 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 27-09-2022 21:15:49 (UTC)
  • 27-09-2022 23:15:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.9690, 7.5060 at 6 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 12 236 236
Valtournenche AO 14 2277 2513
Oyace AO 16 219 2732
Chamois AO 17 97 2829
Torgnon AO 19 558 3387
Antey-Saint-André AO 19 602 3989
La Magdeleine AO 20 109 4098

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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 1.6 2022-09-27
21:15:49
45.9693 7.5062 6 2024-03-01
15:27:57
Bollettino Sismico Italiano INGV 110978191
Reviewed
Rev100
ML 1.4 2022-09-27
21:15:49
45.9633 7.4868 7 2022-09-27
21:22:14
Sala Sismica INGV-Roma 110230561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-27 21:15:49 ± 0.17
Latitude 45.9693 ± 0.0108
Longitude 7.5062 ± 0.0104
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110978191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 831
Semi-minor axis of confidence ellipse (meter) 802
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 354
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.16192
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 110978191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 16:49:51

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 110230561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-27 21:22:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GBOS.HHZ. 2022-09-27T21:16:45.07 3.0 undecidable manual Sg 0.41 0
GU.GRAM.HHZ. 2022-09-27T21:16:34.65 3.0 undecidable manual Pg 4.89 0
IV.VARE.HHZ. 2022-09-27T21:16:26.61 3.0 undecidable manual S 0.95 0
GU.RRL.HHZ. 2022-09-27T21:16:12.45 0.6 undecidable manual P 206 128.9709 50 0.99 31
GU.LSD.HHZ. 2022-09-27T21:16:09.07 0.3 undecidable manual S 207 63.492 50 -0.98 53
GU.TRAV.HHZ. 2022-09-27T21:16:07.20 0.6 undecidable manual S 160 54.0015 50 -0.32 45
GU.CIRO.HHZ. 2022-09-27T21:16:03.38 0.6 undecidable manual S 173 41.0256 98 -0.54 44
IV.MRGE.HHZ. 2022-09-27T21:16:02.98 0.6 undecidable manual S 237 40.9257 98 -0.89 38
GU.LSD.HHZ. 2022-09-27T21:16:01.74 0.3 undecidable manual P 207 63.492 50 0.37 66
CH.MMK.HHZ. 2022-09-27T21:16:01.17 0.3 undecidable manual S 76 36.4413 99 -1.16 51
GU.SATI.HHZ. 2022-09-27T21:16:00.07 0.6 undecidable manual S 110 29.8479 101 -0.02 51
GU.REMY.HHZ. 2022-09-27T21:16:00.28 0.6 undecidable manual S 242 30.6471 101 -0.09 50
GU.TRAV.HHZ. 2022-09-27T21:16:00.19 0.1 undecidable manual P 160 54.0015 50 0.27 92
GU.CIRO.HHZ. 2022-09-27T21:15:58.05 0.1 undecidable manual P 173 41.0256 98 0.21 95
IV.MRGE.HHZ. 2022-09-27T21:15:57.83 0.1 undecidable manual P 237 40.9257 98 0.02 99
GU.SATI.HHZ. 2022-09-27T21:15:56.21 0.1 undecidable manual P 110 29.8479 101 0.59 88
CH.MMK.HHZ. 2022-09-27T21:15:56.97 0.1 undecidable manual P 76 36.4413 99 0.05 99
GU.REMY.HHZ. 2022-09-27T21:15:56.16 0.1 undecidable manual P 242 30.6471 101 0.37 94
CH.DIX.HHZ. 2022-09-27T21:15:54.36 0.6 undecidable manual S 328 14.3745 113 -0.58 45
CH.DIX.HHZ. 2022-09-27T21:15:52.85 0.1 positive manual P 328 14.3745 113 0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHE. ML:2.2 0.001955 0.36 AML other m 2022-09-27T21:15:55.29
CH.DIX.HHN. ML:2.2 0.0018549999999999999 0.3 AML other m 2022-09-27T21:15:55.66
GU.SATI.HHN. ML:1.6 0.0001865 0.22 AML other m 2022-09-27T21:16:00.15
GU.SATI.HHE. ML:1.6 0.00021799999999999999 0.46 AML other m 2022-09-27T21:16:00.63
CH.MMK.HHN. ML:0.7 0.000019799999999999997 0.8 AML other m 2022-09-27T21:16:01.48
CH.MMK.HHE. ML:0.6 0.000014999999999999999 0.5 AML other m 2022-09-27T21:16:03.75
IV.MRGE.HHN. ML:1.5 0.0001175 1 AML other m 2022-09-27T21:16:03.73
GU.CIRO.HHE. ML:1.2 0.00005475 0.76 AML other m 2022-09-27T21:16:04.82
IV.MRGE.HHE. ML:1.3 0.0000738 1.02 AML other m 2022-09-27T21:16:04.52
GU.CIRO.HHN. ML:1.1 0.0000452 0.46 AML other m 2022-09-27T21:16:04.62
GU.TRAV.HHN. ML:1.4 0.00006500000000000001 0.22 AML other m 2022-09-27T21:16:07.41
GU.TRAV.HHE. ML:1.5 0.00007065000000000001 0.44 AML other m 2022-09-27T21:16:09.13
IV.VARE.HHN. ML:2.3 0.000201 0.66 AML other m 2022-09-27T21:16:28.58
GU.RRL.HHE. ML:1.9 0.000047799999999999996 0.42 AML other m 2022-09-27T21:16:37.93
IV.VARE.HHE. ML:1.7 0.0000477 0.42 AML other m 2022-09-27T21:16:48.96
GU.RRL.HHN. ML:1.9 0.00004920000000000001 0.42 AML other m 2022-09-27T21:16:53.05
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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