Earthquake with magnitude of ML 1.7 on date 08-08-2020 and time 23:10:32 (UTC) in region V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA)

A magnitude ML 1.7 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on

  • 08-08-2020 23:10:32 (UTC)
  • 09-08-2020 01:10:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0090, 6.9470 at 10 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

No Italian municipalities within 20 km distance.

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 1.7 2020-08-08
23:10:32
46.0087 6.9468 10 2020-11-19
12:37:05
Bollettino Sismico Italiano INGV 83952061
Reviewed
Rev100
ML 1.7 2020-08-08
23:10:32
46.0032 6.939 11 2020-08-08
23:20:07
Sala Sismica INGV-Roma 81793421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-08 23:10:32 ± 0.14
Latitude 46.0087 ± 0.0054
Longitude 6.9468 ± 0.0091
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83952061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 579
Semi-minor axis of confidence ellipse (meter) 562
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.16458
Epicentral distance of station farthest from the epicenter (degree) 1.72220
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 81793421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-08 23:20:07

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 83952061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-20 10:05:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.BHB.HHZ. 2020-08-08T23:11:10.60 0.6 undecidable manual S 169 132.4674 50 -0.08 40
MN.TUE.HHZ. 2020-08-08T23:11:03.75 1.0 undecidable manual P 74 191.1642 38 0.51 14
GU.TRAV.HHZ. 2020-08-08T23:10:57.63 0.6 undecidable manual S 131 82.8504 50 0.2 43
CH.BNALP.HHZ. 2020-08-08T23:10:57.49 1.0 undecidable manual P 49 148.0407 50 0.46 18
RD.ORIF.BHZ. 2020-08-08T23:10:56.97 0.3 undecidable manual P 215 146.6421 50 0.14 57
CH.GIMEL.HHZ. 2020-08-08T23:10:56.40 0.6 undecidable manual S 318 78.2661 50 0.18 43
CH.FUSIO.HHZ. 2020-08-08T23:10:56.37 1.0 undecidable manual P 69 140.6481 50 0.47 18
GU.BHB.HHZ. 2020-08-08T23:10:55.14 1.0 undecidable manual P 169 132.4674 50 0.51 18
CH.MMK.HHE. 2020-08-08T23:10:55.87 0.6 undecidable manual S 86 78.4659 50 -0.41 41
GU.CIRO.HHZ. 2020-08-08T23:10:52.87 0.6 undecidable manual S 133 65.8896 50 -0.05 45
GU.LSD.HHZ. 2020-08-08T23:10:51.60 0.6 undecidable manual S 167 62.5929 50 -0.44 42
GU.TRAV.HHZ. 2020-08-08T23:10:47.40 0.3 undecidable manual P 131 82.8504 50 0.41 61
CH.MMK.HHE. 2020-08-08T23:10:46.49 0.6 undecidable manual P 86 78.4659 50 0.18 43
CH.GIMEL.HHZ. 2020-08-08T23:10:45.64 0.3 undecidable manual P 318 78.2661 50 -0.64 57
GU.CIRO.HHZ. 2020-08-08T23:10:44.64 0.3 undecidable manual P 133 65.8896 50 0.26 65
CH.DIX.HHZ. 2020-08-08T23:10:44.64 0.3 undecidable manual S 77 36.4413 50 -0.4 67
GU.LSD.HHZ. 2020-08-08T23:10:44.30 0.3 undecidable manual P 167 62.5929 50 0.43 63
IV.MRGE.HHZ. 2020-08-08T23:10:42.61 0.3 undecidable manual S 162 27.9498 50 -0.17 71
CH.DIX.HHZ. 2020-08-08T23:10:39.87 0.1 negative manual P 77 36.4413 50 0.04 96
GU.BLANC.HHZ. 2020-08-08T23:10:39.56 0.6 undecidable manual S 183 18.2706 120 -0.41 46
IV.MRGE.HHZ. 2020-08-08T23:10:38.53 0.1 negative manual P 162 27.9498 50 0.01 98
GU.BLANC.HHZ. 2020-08-08T23:10:36.90 0.1 positive manual P 183 18.2706 120 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BLANC.HHN. ML:1.8 0.00046399999999999995 0.22 AML other m 2020-08-08T23:10:39.94
GU.BLANC.HHE. ML:1.9 0.0006015 0.36 AML other m 2020-08-08T23:10:40.26
IV.MRGE.HHE. ML:2.3 0.0010670000000000002 0.2 AML other m 2020-08-08T23:10:42.72
IV.MRGE.HHN. ML:2.1 0.0006885 0.06 AML other m 2020-08-08T23:10:42.76
CH.DIX.HHE. ML:2.3 0.0007975 1.88 AML other m 2020-08-08T23:10:44.94
CH.DIX.HHN. ML:2.8 0.0025949999999999997 1.86 AML other m 2020-08-08T23:10:45.00
GU.LSD.HHN. ML:1.6 0.00007535 0.64 AML other m 2020-08-08T23:10:52.25
GU.CIRO.HHN. ML:1.5 0.00005255 0.14 AML other m 2020-08-08T23:10:53.74
GU.CIRO.HHE. ML:1.3 0.00003725 1.54 AML other m 2020-08-08T23:10:54.09
GU.TRAV.HHN. ML:1.8 0.00007819999999999999 0.42 AML other m 2020-08-08T23:10:58.87
GU.TRAV.HHE. ML:1.5 0.0000383 0.36 AML other m 2020-08-08T23:10:58.87
GU.BHB.HHE. ML:1.5 0.0000213 0.58 AML other m 2020-08-08T23:11:12.33
GU.BHB.HHN. ML:1.6 0.000023149999999999997 0.9 AML other m 2020-08-08T23:11:13.84
RD.ORIF.BHE. ML:1.7 0.00002695 0.36 AML other m 2020-08-08T23:11:19.86
RD.ORIF.BHN. ML:1.6 0.000020850000000000002 0.76 AML other m 2020-08-08T23:11:19.94
CH.FUSIO.HHN. ML:1.4 0.00001615 1.62 AML other m 2020-08-08T23:11:20.09
IV.ZONE.HHN. ML:2.4 0.00004635 1.18 AML other m 2020-08-08T23:11:48.88
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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