Earthquake with magnitude of ML 2.2 on date 31-08-2022 and time 19:58:42 (Italy) in region V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA)

A magnitude ML 2.2 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on

  • 31-08-2022 17:58:42 (UTC)
  • 31-08-2022 19:58:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.8660, 6.9600 at 11 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
Courmayeur AO 8 2807 2807
Pré-Saint-Didier AO 11 1050 3857
Morgex AO 13 2104 5961
La Salle AO 16 2087 8048
La Thuile AO 17 761 8809
Saint-Rhémy-en-Bosses AO 18 338 9147

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 2.2 2022-08-31
17:58:42
45.8658 6.9597 11 2023-01-31
19:03:44
Bollettino Sismico Italiano INGV 109662551
Reviewed
Rev100
ML 2.1 2022-08-31
17:58:41
45.8737 6.9423 9 2022-08-31
18:11:50
Sala Sismica INGV-Roma 109185281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-31 17:58:42 ± 0.27
Latitude 45.8658 ± 0.0108
Longitude 6.9597 ± 0.0207
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109662551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1588
Semi-minor axis of confidence ellipse (meter) 1090
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 110
Circular confidence region, given by single value of horizontal uncertainty (meter) 1590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.51
Epicentral distance of station closest to the epicenter (degree) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 1.91825
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 109185281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-31 18:11:50

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 109662551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-13 10:52:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2022-08-31T17:59:40.59 3.0 undecidable manual S 151 209.4348 38 1.73 0
CH.BNALP.HHZ. 2022-08-31T17:59:29.31 3.0 undecidable manual S 45 158.1195 50 2.42 0
GU.PZZ.HHZ. 2022-08-31T17:59:24.71 3.0 undecidable manual S 175 151.3374 50 -0.36 0
GU.BHB.HHZ. 2022-08-31T17:59:16.37 0.3 undecidable manual S 168 116.6943 50 0.53 56
GU.CANO.HHZ. 2022-08-31T17:59:16.40 0.1 undecidable manual P 151 209.4348 38 1.51 32
GU.MGRO.HHZ. 2022-08-31T17:59:16.51 0.3 undecidable manual P 161 212.9313 38 1.18 28
GU.STV.HHZ. 2022-08-31T17:59:11.54 0.1 undecidable manual P 171 182.0844 38 0.05 67
GU.RRL.HHZ. 2022-08-31T17:59:11.75 1.0 undecidable manual S 187 105.6165 50 -1.13 15
CH.BNALP.HHZ. 2022-08-31T17:59:09.67 0.1 undecidable manual P 45 158.1195 50 1.69 38
CH.FUSIO.HHZ. 2022-08-31T17:59:07.04 0.1 undecidable manual P 63 146.2425 50 0.88 61
GU.PZZ.HHZ. 2022-08-31T17:59:07.01 0.1 undecidable manual P 175 151.3374 50 0.08 77
GU.RSP.HHE. 2022-08-31T17:59:06.45 0.6 undecidable manual S 163 83.0502 50 -0.41 41
IV.MONC.HHZ. 2022-08-31T17:59:03.41 0.1 undecidable manual P 139 115.6953 50 1.97 34
GU.SATI.HHZ. 2022-08-31T17:59:02.65 0.6 undecidable manual S 89 70.1742 50 -0.78 37
GU.BHB.HHZ. 2022-08-31T17:59:01.97 0.1 undecidable manual P 168 116.6943 50 0.37 78
GU.RRL.HHZ. 2022-08-31T17:58:59.68 0.1 undecidable manual P 187 105.6165 50 -0.22 83
GU.CIRO.HHZ. 2022-08-31T17:58:59.27 0.3 undecidable manual S 122 55.5 50 -0.22 68
CH.GIMEL.HHZ. 2022-08-31T17:58:57.27 0.1 undecidable manual P 325 91.242 50 -0.41 82
GU.LSD.HHZ. 2022-08-31T17:58:56.57 1.0 undecidable manual S 163 47.0196 50 -0.67 20
GU.RSP.HHE. 2022-08-31T17:58:56.26 0.1 undecidable manual P 163 83.0502 50 -0.15 88
CH.DIX.HHZ. 2022-08-31T17:58:55.45 0.3 undecidable manual S 55 41.9247 50 -0.44 67
GU.SATI.HHZ. 2022-08-31T17:58:54.00 0.1 undecidable manual P 89 70.1742 50 -0.43 85
GU.CIRO.HHZ. 2022-08-31T17:58:52.03 0.1 undecidable manual P 122 55.5 50 -0.13 93
GU.LSD.HHZ. 2022-08-31T17:58:50.43 0.1 undecidable manual P 163 47.0196 50 -0.43 88
CH.DIX.HHZ. 2022-08-31T17:58:49.72 0.1 undecidable manual P 55 41.9247 50 -0.36 91
GU.REMY.HHE. 2022-08-31T17:58:49.15 0.3 undecidable manual S 101 15.4734 125 0.46 70
IV.MRGE.HHZ. 2022-08-31T17:58:47.92 0.3 undecidable manual S 144 13.2756 129 -0.13 75
GU.REMY.HHE. 2022-08-31T17:58:45.82 0.1 undecidable manual P 101 15.4734 125 -0.11 100
IV.MRGE.HHZ. 2022-08-31T17:58:45.13 0.1 undecidable manual P 144 13.2756 129 -0.43 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRGE.HHN. ML:2.5 0.0032400000000000003 0.38 AML other m 2022-08-31T17:58:48.20
IV.MRGE.HHE. ML:2.5 0.0030499999999999998 1.16 AML other m 2022-08-31T17:58:50.64
CH.DIX.HHN. ML:2.5 0.0010025 0.26 AML other m 2022-08-31T17:58:55.75
CH.DIX.HHE. ML:2.3 0.000707 0.28 AML other m 2022-08-31T17:58:56.18
GU.LSD.HHE. ML:2.2 0.00042100000000000004 1.32 AML other m 2022-08-31T17:58:56.95
GU.LSD.HHN. ML:2.1 0.00033650000000000005 0.2 AML other m 2022-08-31T17:58:57.49
GU.CIRO.HHN. ML:2.0 0.0002475 1.46 AML other m 2022-08-31T17:59:00.89
GU.CIRO.HHE. ML:1.9 0.000163 0.48 AML other m 2022-08-31T17:59:00.33
GU.SATI.HNE. ML:1.9 0.000136 1.04 AML other m 2022-08-31T17:59:04.55
GU.SATI.HHE. ML:1.8 0.00011649999999999999 1.04 AML other m 2022-08-31T17:59:04.55
GU.SATI.HNN. ML:1.9 0.0001295 1.38 AML other m 2022-08-31T17:59:06.86
GU.SATI.HHN. ML:1.9 0.000125 0.72 AML other m 2022-08-31T17:59:08.02
CH.GIMEL.HHN. ML:1.8 0.00007735 0.54 AML other m 2022-08-31T17:59:14.56
CH.GIMEL.HHE. ML:2.1 0.00014350000000000002 0.56 AML other m 2022-08-31T17:59:14.58
GU.RRL.HHE. ML:2.1 0.00010894999999999999 1.04 AML other m 2022-08-31T17:59:18.61
GU.BHB.HHN. ML:2.1 0.00010705 0.34 AML other m 2022-08-31T17:59:18.81
GU.BHB.HHE. ML:2.1 0.00009484999999999999 0.52 AML other m 2022-08-31T17:59:19.80
GU.RRL.HHN. ML:2.2 0.000129 0.48 AML other m 2022-08-31T17:59:23.89
IV.MONC.HHE. ML:2.3 0.0001725 0.42 AML other m 2022-08-31T17:59:27.54
IV.MONC.HHN. ML:2.5 0.00023999999999999998 0.42 AML other m 2022-08-31T17:59:30.66
CH.FUSIO.HHN. ML:2.3 0.00010980000000000001 0.66 AML other m 2022-08-31T17:59:32.42
CH.BNALP.HHE. ML:2.1 0.00006110000000000001 0.48 AML other m 2022-08-31T17:59:33.40
GU.PZZ.HHE. ML:2.5 0.00016450000000000001 0.36 AML other m 2022-08-31T17:59:34.26
CH.FUSIO.HHE. ML:2.4 0.00011949999999999999 1.22 AML other m 2022-08-31T17:59:34.74
GU.PZZ.HHN. ML:2.5 0.00014600000000000003 1.02 AML other m 2022-08-31T17:59:35.72
CH.BNALP.HHN. ML:2.1 0.00005495 0.74 AML other m 2022-08-31T17:59:36.27
GU.STV.HHE. ML:1.8 0.000024849999999999998 1 AML other m 2022-08-31T17:59:40.10
GU.STV.HHN. ML:1.8 0.0000251 0.54 AML other m 2022-08-31T17:59:41.14
GU.CANO.HHE. ML:3.0 0.000241 1.2 AML other m 2022-08-31T17:59:47.62
GU.MGRO.HHE. ML:2.3 0.000048899999999999996 0.64 AML other m 2022-08-31T17:59:48.20
GU.MGRO.HHN. ML:2.3 0.0000543 0.42 AML other m 2022-08-31T17:59:51.43
GU.CANO.HHN. ML:2.5 0.00009625000000000001 0.78 AML other m 2022-08-31T17:59:51.81
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
Waveforms Seismic signals in miniseed + resp format Download