Earthquake with magnitude of ML 2.3 on date 01-10-2020 and time 10:25:52 (Italy) in region 5 km SW Valgrisenche (AO)

A magnitude ML 2.3 earthquake occured in region: 5 km SW Valgrisenche (AO), on

  • 01-10-2020 08:25:52 (UTC)
  • 01-10-2020 10:25:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.6090, 7.0160 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Valgrisenche AO 5 196 196
Rhêmes-Notre-Dame AO 9 89 285
Rhêmes-Saint-Georges AO 12 194 479
La Thuile AO 13 761 1240
Avise AO 15 305 1545
Valsavarenche AO 15 161 1706
Arvier AO 16 873 2579
La Salle AO 16 2087 4666
Introd AO 16 658 5324
Morgex AO 17 2104 7428
Saint-Nicolas AO 17 311 7739
Pré-Saint-Didier AO 18 1050 8789
Villeneuve AO 18 1289 10078

Municipalities with at least 50000 inhabitants

An earthquake occurred to
79 Km NW of Torino (890529 inhabitants)
85 Km NW 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 2.3 2020-10-01
08:25:52
45.6088 7.0163 10 2021-02-26
14:55:58
Bollettino Sismico Italiano INGV 83734461
Reviewed
Rev100
ML 2.4 2020-10-01
08:25:52
45.6148 7.0017 8 2020-10-01
08:32:41
Sala Sismica INGV-Roma 83409431
Reviewed
Rev100
ML 2.4 2020-10-01
08:25:52
45.6192 7.0168 10 2020-10-01
08:31:09
Sala Sismica INGV-Roma 83409401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-01 08:25:52 ± 0.11
Latitude 45.6088 ± 0.0045
Longitude 7.0163 ± 0.0103
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 83734461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 659
Semi-minor axis of confidence ellipse (meter) 543
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 298
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
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 43
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.16368
Epicentral distance of station farthest from the epicenter (degree) 1.80764
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 83409401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-01 08:31:09

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 83734461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-12 15:05:37

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 83409431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-01 08:32:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MGRO.HHZ. 2020-10-01T08:26:43.47 3.0 undecidable manual S 160 184.5708 38 -0.6 0
GU.ENR.HHZ. 2020-10-01T08:26:36.67 1.0 undecidable manual S 168 156.5211 50 -0.32 18
GU.STV.HHZ. 2020-10-01T08:26:35.75 1.0 undecidable manual S 171 153.1356 50 -0.33 18
IV.VARE.HHZ. 2020-10-01T08:26:32.99 0.3 undecidable manual S 77 138.7611 50 0.75 49
GU.PZZ.HHZ. 2020-10-01T08:26:27.70 0.3 undecidable manual S 176 122.4885 50 -0.19 60
CH.GIMEL.HHZ. 2020-10-01T08:26:27.36 0.6 undecidable manual S 331 117.7932 50 0.73 34
RD.ORIF.BHZ. 2020-10-01T08:26:26.15 0.3 undecidable manual S 230 117.1938 50 -0.34 59
IV.IMI.HHZ. 2020-10-01T08:26:25.34 0.6 undecidable manual P 160 200.6436 38 1.11 21
GU.MGRO.HHZ. 2020-10-01T08:26:22.54 0.1 undecidable manual P 160 184.5708 38 0.31 62
FR.SAOF.HHZ.00 2020-10-01T08:26:22.43 0.6 undecidable manual P 167 184.8705 38 0.16 32
GU.CANO.HHZ. 2020-10-01T08:26:21.63 0.6 undecidable manual P 148 182.6838 38 -0.36 31
GU.BHB.HHZ. 2020-10-01T08:26:18.01 0.3 undecidable manual S 167 87.9453 50 -0.67 56
GU.ENR.HHZ. 2020-10-01T08:26:17.95 0.1 undecidable manual P 168 156.5211 50 -0.19 73
CH.MMK.HHN. 2020-10-01T08:26:17.94 0.6 undecidable manual S 56 88.1451 50 -0.78 36
GU.STV.HHZ. 2020-10-01T08:26:17.66 0.1 undecidable manual P 171 153.1356 50 0.04 76
IV.VARE.HHZ. 2020-10-01T08:26:16.17 0.6 undecidable manual P 77 138.7611 50 0.77 32
GU.RRL.HHZ. 2020-10-01T08:26:15.48 0.3 undecidable manual S 193 78.366 50 -0.62 58
GU.SATI.HHZ. 2020-10-01T08:26:14.52 0.6 undecidable manual S 66 72.2721 50 0.03 46
GU.PZZ.HHZ. 2020-10-01T08:26:13.58 0.1 undecidable manual P 176 122.4885 50 0.69 69
CH.GIMEL.HHZ. 2020-10-01T08:26:13.10 0.3 undecidable manual P 331 117.7932 50 0.94 47
RD.ORIF.BHZ. 2020-10-01T08:26:12.59 0.1 undecidable manual P 230 117.1938 50 0.51 75
MN.BNI.HHZ. 2020-10-01T08:26:11.90 0.3 undecidable manual S 203 67.1772 50 -1.23 45
GU.TRAV.HHZ. 2020-10-01T08:26:10.22 0.3 undecidable manual S 100 57.6978 50 -0.39 65
CH.DIX.HHZ. 2020-10-01T08:26:10.56 0.3 undecidable manual S 30 60.3951 50 -0.76 57
GU.RSP.HHZ. 2020-10-01T08:26:09.13 0.3 undecidable manual S 159 54.6009 50 -0.66 60
CH.MMK.HHN. 2020-10-01T08:26:08.12 0.3 undecidable manual P 56 88.1451 50 0.52 60
GU.BHB.HHZ. 2020-10-01T08:26:08.08 0.1 undecidable manual P 167 87.9453 50 0.51 80
GU.RRL.HHZ. 2020-10-01T08:26:06.23 0.1 positive manual P 193 78.366 50 0.14 88
GU.SATI.HHZ. 2020-10-01T08:26:05.74 0.1 undecidable manual P 66 72.2721 50 0.58 80
GU.CIRO.HHZ. 2020-10-01T08:26:05.96 0.3 undecidable manual S 91 42.8238 50 -0.67 61
MN.BNI.HHZ. 2020-10-01T08:26:04.25 0.1 negative manual P 203 67.1772 50 -0.12 90
GU.TRAV.HHZ. 2020-10-01T08:26:03.36 0.1 positive manual P 100 57.6978 50 0.45 86
CH.DIX.HHZ. 2020-10-01T08:26:03.61 0.1 undecidable manual P 30 60.3951 50 0.28 88
GU.RSP.HHZ. 2020-10-01T08:26:02.51 0.1 positive manual P 159 54.6009 50 0.07 93
GU.BLANC.HHZ. 2020-10-01T08:26:01.59 0.3 undecidable manual S 346 26.9508 110 -0.71 62
GU.REMY.HHZ. 2020-10-01T08:26:01.68 0.3 undecidable manual S 23 27.6501 109 -0.86 58
GU.CIRO.HHZ. 2020-10-01T08:26:00.76 0.1 positive manual P 91 42.8238 50 0.14 94
GU.LSD.HHZ. 2020-10-01T08:25:59.63 0.3 undecidable manual S 151 18.9699 117 -0.12 74
GU.BLANC.HHZ. 2020-10-01T08:25:58.00 0.1 positive manual P 346 26.9508 110 -0.12 97
IV.MRGE.HHZ. 2020-10-01T08:25:58.85 0.6 undecidable manual S 11 18.1707 118 -0.68 43
GU.REMY.HHZ. 2020-10-01T08:25:58.31 0.1 negative manual P 23 27.6501 109 0.06 98
GU.LSD.HHZ. 2020-10-01T08:25:57.02 0.1 positive manual P 151 18.9699 117 0.38 93
IV.MRGE.HHZ. 2020-10-01T08:25:56.57 0.1 negative manual P 11 18.1707 118 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHN. ML:2.5 0.0025 0.1 AML other m 2020-10-01T08:25:59.73
GU.LSD.HHE. ML:2.6 0.00293 0.1 AML other m 2020-10-01T08:25:59.69
IV.MRGE.HHN. ML:2.7 0.003895 0.56 AML other m 2020-10-01T08:25:59.98
IV.MRGE.HHE. ML:2.6 0.00353 0.64 AML other m 2020-10-01T08:26:00.15
GU.BLANC.HHN. ML:2.6 0.00198 0.3 AML other m 2020-10-01T08:26:01.84
GU.BLANC.HHE. ML:2.5 0.00191 1.78 AML other m 2020-10-01T08:26:01.10
GU.REMY.HHE. ML:2.4 0.00126 0.18 AML other m 2020-10-01T08:26:02.65
GU.REMY.HHN. ML:2.4 0.0012250000000000002 1.56 AML other m 2020-10-01T08:26:03.02
GU.CIRO.HHN. ML:2.3 0.000704 0.34 AML other m 2020-10-01T08:26:06.27
GU.CIRO.HHE. ML:2.0 0.00032250000000000003 0.8 AML other m 2020-10-01T08:26:07.03
GU.RSP.HHN. ML:2.6 0.0008819999999999999 0.64 AML other m 2020-10-01T08:26:11.16
GU.RSP.HHE. ML:2.6 0.0010405 0.18 AML other m 2020-10-01T08:26:11.58
GU.RSP.HNE. ML:2.6 0.0009295 0.18 AML other m 2020-10-01T08:26:11.58
GU.RSP.HNN. ML:2.5 0.0008165 0.66 AML other m 2020-10-01T08:26:11.16
GU.TRAV.HHN. ML:2.4 0.0006045 0.5 AML other m 2020-10-01T08:26:11.91
CH.DIX.HHE. ML:2.9 0.0017749999999999999 0.34 AML other m 2020-10-01T08:26:11.94
CH.DIX.HHN. ML:2.9 0.0016200000000000001 1.24 AML other m 2020-10-01T08:26:11.35
MN.BNI.HHE. ML:2.1 0.0002145 0.46 AML other m 2020-10-01T08:26:12.62
MN.BNI.HNE. ML:2.1 0.000221 0.46 AML other m 2020-10-01T08:26:12.62
MN.BNI.HHN. ML:2.2 0.00026849999999999997 0.32 AML other m 2020-10-01T08:26:12.57
MN.BNI.HNN. ML:2.2 0.000263 0.32 AML other m 2020-10-01T08:26:12.58
GU.TRAV.HHE. ML:2.4 0.000479 0.24 AML other m 2020-10-01T08:26:12.76
GU.SATI.HHE. ML:2.0 0.00016549999999999998 0.12 AML other m 2020-10-01T08:26:17.07
GU.RRL.HHN. ML:2.4 0.00034100000000000005 1.1 AML other m 2020-10-01T08:26:17.34
GU.RRL.HHE. ML:2.5 0.0004505 0.56 AML other m 2020-10-01T08:26:17.60
GU.SATI.HHN. ML:2.0 0.0001505 0.5 AML other m 2020-10-01T08:26:18.68
GU.BHB.HHE. ML:2.4 0.00028900000000000003 0.58 AML other m 2020-10-01T08:26:19.46
GU.BHB.HHN. ML:2.5 0.00036050000000000003 1.42 AML other m 2020-10-01T08:26:20.87
RD.ORIF.BHE. ML:2.1 0.00008765 0.52 AML other m 2020-10-01T08:26:29.50
GU.PZZ.HHN. ML:2.7 0.0003795 0.26 AML other m 2020-10-01T08:26:29.73
RD.ORIF.BHN. ML:2.1 0.00009735 0.48 AML other m 2020-10-01T08:26:30.88
GU.PZZ.HHE. ML:2.7 0.0003845 0.86 AML other m 2020-10-01T08:26:31.40
IV.VARE.HHE. ML:2.1 0.0000774 0.56 AML other m 2020-10-01T08:26:35.21
GU.STV.HHE. ML:1.8 0.000036150000000000005 0.74 AML other m 2020-10-01T08:26:38.71
GU.ENR.HHN. ML:2.1 0.00006075 1.52 AML other m 2020-10-01T08:26:38.91
GU.STV.HHN. ML:1.8 0.0000344 0.9 AML other m 2020-10-01T08:26:39.40
GU.ENR.HHE. ML:2.2 0.00007295 1.4 AML other m 2020-10-01T08:26:39.02
IV.VARE.HHN. ML:2.1 0.00007075000000000001 0.52 AML other m 2020-10-01T08:26:43.27
GU.CANO.HHE. ML:2.4 0.00010075000000000001 0.68 AML other m 2020-10-01T08:26:48.33
GU.MGRO.HHN. ML:2.1 0.000040050000000000004 0.48 AML other m 2020-10-01T08:26:48.48
GU.CANO.HHN. ML:2.4 0.00009595 1.42 AML other m 2020-10-01T08:26:49.95
GU.MGRO.HHE. ML:2.2 0.00005015 0.88 AML other m 2020-10-01T08:26:50.87
FR.SAOF.HHN.00 ML:2.2 0.00005165 1.44 AML other m 2020-10-01T08:26:56.85
IV.IMI.HHN. ML:2.5 0.00008345 0.58 AML other m 2020-10-01T08:26:56.56
FR.SAOF.HHE.00 ML:2.1 0.00004365 1.2 AML other m 2020-10-01T08:26:57.04
IV.IMI.HHE. ML:2.5 0.00009195 1.26 AML other m 2020-10-01T08:27:00.30
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