Earthquake with magnitude of ML 2.5 on date 26-10-2020 and time 20:47:56 (UTC) in region Confine Italia Francia (FRANCIA)

A magnitude ML 2.5 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 26-10-2020 20:47:56 (UTC)
  • 26-10-2020 21:47:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.5530, 6.8650 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
Valgrisenche AO 18 196 196
La Thuile AO 20 761 957
Rhêmes-Notre-Dame AO 20 89 1046

Municipalities with at least 50000 inhabitants

An earthquake occurred to
83 Km NW of Torino (890529 inhabitants)
89 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 2.5 2020-10-26
20:47:56
45.5532 6.8653 11 2021-02-26
14:56:19
Bollettino Sismico Italiano INGV 87181811
Reviewed
Rev100
ML 2.5 2020-10-26
20:47:56
45.5622 6.8715 10 2020-10-26
20:55:52
Sala Sismica INGV-Roma 84163701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-26 20:47:56 ± 0.11
Latitude 45.5532 ± 0.0045
Longitude 6.8653 ± 0.0103
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87181811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 820
Semi-minor axis of confidence ellipse (meter) 412
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 112
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
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) 0.21044
Epicentral distance of station farthest from the epicenter (degree) 1.70242
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 39
Type of magnitude ML
Reference to an origin 84163701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-26 20:55:52

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 39
Type of magnitude ML
Reference to an origin 87181811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-15 13:27:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2020-10-26T20:48:29.42 0.6 undecidable manual S 170 117.7932 90 -0.82 35
CH.BNALP.HHZ. 2020-10-26T20:48:28.56 0.6 undecidable manual P 39 188.9664 54 2.08 12
GU.CANO.HHZ. 2020-10-26T20:48:27.14 0.3 undecidable manual P 144 184.1712 54 1.25 32
CH.FUSIO.HHZ. 2020-10-26T20:48:25.72 0.6 undecidable manual P 54 170.8956 90 1.61 19
GU.ENR.HHZ. 2020-10-26T20:48:21.49 0.3 undecidable manual P 163 153.1356 90 0.12 57
GU.STV.HHZ. 2020-10-26T20:48:21.23 0.3 undecidable manual P 166 149.5392 90 0.4 55
GU.ROTM.HHZ. 2020-10-26T20:48:21.65 0.6 undecidable manual P 123 140.0487 90 2.29 11
GU.SATI.HHZ. 2020-10-26T20:48:21.73 0.6 undecidable manual S 65 85.5477 90 0.08 45
GU.BHB.HHZ. 2020-10-26T20:48:21.15 0.6 undecidable manual S 159 85.4478 90 -0.48 42
GU.RRL.HHZ. 2020-10-26T20:48:17.10 0.6 undecidable manual S 185 70.374 90 -0.5 43
GU.PZZ.HHZ. 2020-10-26T20:48:16.15 0.3 undecidable manual P 170 117.7932 90 0.23 61
CH.GIMEL.HHZ. 2020-10-26T20:48:16.89 0.3 undecidable manual P 337 118.1928 90 0.9 50
GU.TRAV.HHZ. 2020-10-26T20:48:16.80 0.6 undecidable manual S 93 68.5758 90 -0.33 44
MN.BNI.HHZ. 2020-10-26T20:48:13.08 0.6 undecidable manual S 195 57.498 90 -1.08 34
RD.ORIF.BHZ. 2020-10-26T20:48:13.89 0.3 undecidable manual P 228 104.3178 90 0.04 65
CH.MMK.HHN. 2020-10-26T20:48:13.76 0.3 undecidable manual P 57 101.3208 90 0.37 61
GU.RSP.HHZ. 2020-10-26T20:48:13.26 0.6 undecidable manual S 145 54.7008 90 -0.15 47
GU.CIRO.HHZ. 2020-10-26T20:48:12.79 0.6 undecidable manual S 84 54.8007 90 -0.67 41
GU.SATI.HHZ. 2020-10-26T20:48:11.15 0.3 undecidable manual P 65 85.5477 90 0.19 66
GU.BHB.HHZ. 2020-10-26T20:48:11.35 0.1 positive manual P 159 85.4478 90 0.4 83
GU.RRL.HHZ. 2020-10-26T20:48:08.84 0.1 positive manual P 185 70.374 90 0.22 89
CH.DIX.HHZ. 2020-10-26T20:48:08.92 0.3 undecidable manual P 35 71.9724 90 0.05 70
GU.REMY.HHZ. 2020-10-26T20:48:08.59 0.6 undecidable manual S 35 38.8278 90 -0.58 43
GU.TRAV.HHZ. 2020-10-26T20:48:08.79 0.1 positive manual P 93 68.5758 90 0.44 85
GU.BLANC.HHZ. 2020-10-26T20:48:07.02 0.6 undecidable manual S 9 32.745 90 -0.54 43
GU.RSP.HHZ. 2020-10-26T20:48:06.30 0.1 positive manual P 145 54.7008 90 0.09 94
GU.CIRO.HHZ. 2020-10-26T20:48:06.36 0.1 undecidable manual P 84 54.8007 90 0.13 94
MN.BNI.HHZ. 2020-10-26T20:48:06.40 0.1 positive manual P 195 57.498 90 -0.24 92
IV.MRGE.HHZ. 2020-10-26T20:48:05.55 0.3 undecidable manual S 32 28.4493 90 -0.86 58
GU.LSD.HHZ. 2020-10-26T20:48:04.51 0.3 undecidable manual S 116 23.3544 91 -0.53 69
GU.REMY.HHZ. 2020-10-26T20:48:03.70 0.1 positive manual P 35 38.8278 90 -0.06 98
GU.BLANC.HHZ. 2020-10-26T20:48:02.46 0.1 undecidable manual P 9 32.745 90 -0.37 92
GU.LSD.HHZ. 2020-10-26T20:48:01.44 0.1 positive manual P 116 23.3544 91 0.07 100
IV.MRGE.HHZ. 2020-10-26T20:48:01.80 0.1 positive manual P 32 28.4493 90 -0.36 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHN. ML:2.8 0.0042636355 0.1408 AML other m 2020-10-26T20:48:04.58
GU.LSD.HHE. ML:2.7 0.0033883855 0.1536 AML other m 2020-10-26T20:48:04.72
IV.MRGE.HHE. ML:2.6 0.0018399999999999998 0.42 AML other m 2020-10-26T20:48:06.09
IV.MRGE.HHN. ML:2.6 0.002048962 0.064 AML other m 2020-10-26T20:48:06.31
GU.BLANC.HHE. ML:2.6 0.00163486 1.8592 AML other m 2020-10-26T20:48:08.98
GU.BLANC.HHN. ML:2.4 0.00113739495 1.744 AML other m 2020-10-26T20:48:08.09
GU.REMY.HHN. ML:2.3 0.00074932555 0.1408 AML other m 2020-10-26T20:48:11.37
GU.REMY.HHE. ML:2.2 0.00059323135 0.3584 AML other m 2020-10-26T20:48:12.94
GU.CIRO.HHN. ML:2.3 0.00041252525 0.1792 AML other m 2020-10-26T20:48:13.25
GU.RSP.HHE. ML:3.0 0.0023572695 0.1536 AML other m 2020-10-26T20:48:13.48
GU.RSP.HNE. ML:3.0 0.002196369 0.1536 AML other m 2020-10-26T20:48:13.48
GU.RSP.HHN. ML:2.8 0.00149054 0.1792 AML other m 2020-10-26T20:48:14.05
GU.RSP.HNN. ML:2.8 0.0013886785 0.2048 AML other m 2020-10-26T20:48:14.16
GU.CIRO.HHE. ML:2.1 0.00030360755 1.8208 AML other m 2020-10-26T20:48:15.96
MN.BNI.HNE. ML:2.1 0.000268 1.22 AML other m 2020-10-26T20:48:15.24
MN.BNI.HHE. ML:2.1 0.00026700000000000004 1.24 AML other m 2020-10-26T20:48:15.23
MN.BNI.HNN. ML:2.2 0.00034599999999999995 0.3 AML other m 2020-10-26T20:48:17.08
MN.BNI.HHN. ML:2.2 0.00033999999999999997 0.28 AML other m 2020-10-26T20:48:17.08
GU.TRAV.HHN. ML:2.6 0.00060491195 1.8336 AML other m 2020-10-26T20:48:18.00
CH.DIX.HHN. ML:2.8 0.0009908695 0.384 AML other m 2020-10-26T20:48:18.76
GU.TRAV.HHE. ML:2.3 0.00037004725 0.1408 AML other m 2020-10-26T20:48:18.87
CH.DIX.HHE. ML:2.8 0.0009711815 0.1664 AML other m 2020-10-26T20:48:19.23
CH.GIMEL.HHN. ML:2.3 0.00014253325 0.2688 AML other m 2020-10-26T20:48:19.93
GU.RRL.HHN. ML:2.4 0.00045200585 0.448 AML other m 2020-10-26T20:48:21.52
GU.RRL.HHE. ML:2.4 0.00041582765 0.32 AML other m 2020-10-26T20:48:22.07
GU.BHB.HHN. ML:2.8 0.00082933125 0.128 AML other m 2020-10-26T20:48:22.54
GU.BHB.HHE. ML:2.5 0.00041804505000000004 0.2176 AML other m 2020-10-26T20:48:22.54
GU.SATI.HHE. ML:2.2 0.0001965 0.72 AML other m 2020-10-26T20:48:24.42
GU.SATI.HHN. ML:2.0 0.000128384715 0.128 AML other m 2020-10-26T20:48:24.68
RD.ORIF.BHE. ML:2.4 0.0002289857 0.5632 AML other m 2020-10-26T20:48:28.47
RD.ORIF.BHN. ML:2.5 0.00030492409999999996 0.2816 AML other m 2020-10-26T20:48:28.81
GU.PZZ.HHN. ML:2.9 0.0006636914 0.2048 AML other m 2020-10-26T20:48:31.67
GU.PZZ.HHE. ML:2.9 0.00063743635 0.2176 AML other m 2020-10-26T20:48:32.37
CH.GIMEL.HHE. ML:2.4 0.00016842778 0.1664 AML other m 2020-10-26T20:48:34.69
GU.ENR.HHE. ML:2.2 0.00008598003500000001 0.2176 AML other m 2020-10-26T20:48:42.33
GU.ENR.HHN. ML:2.3 0.000099137985 0.4096 AML other m 2020-10-26T20:48:48.72
CH.FUSIO.HHN. ML:2.2 0.000059767439999999996 1.4624 AML other m 2020-10-26T20:48:51.03
CH.FUSIO.HHE. ML:2.1 0.000053275675 0.3328 AML other m 2020-10-26T20:48:55.44
GU.CANO.HHN. ML:2.8 0.00023080745 1.5136 AML other m 2020-10-26T20:48:56.78
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
Waveforms Seismic signals in miniseed + resp format Download