Earthquake with magnitude of ML 2.0 on date 26-08-2015 and time 08:58:37 (Italy) in region V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA)

A magnitude ML 2.0 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on

  • 26-08-2015 06:58:37 (UTC)
  • 26-08-2015 08:58:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0640, 7.0950 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

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 2.0 2015-08-26
06:58:37
46.0642 7.0953 11 2016-01-08
08:46:44
Bollettino Sismico Italiano INGV 22063931
Reviewed
Rev100
ML 1.9 2015-08-26
06:58:37
46.06 7.0915 10 2015-08-26
07:12:43
Sala Sismica INGV-Roma 21075351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-08-26 06:58:37 ± 0.14
Latitude 46.0642 ± 0.0045
Longitude 7.0953 ± 0.0104
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 22063931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 883
Semi-minor axis of confidence ellipse (meter) 145
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 299
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.21764
Epicentral distance of station farthest from the epicenter (degree) 1.85080
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 22063931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-11-03 10:58:31

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 21075351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-08-26 07:12:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.BNALP.HHZ. 2015-08-26T06:59:16.48 0.3 undecidable manual S 48 135.3645 50 -0.11 59
GU.ENR.HHZ. 2015-08-26T06:59:10.31 0.6 undecidable manual P 173 205.4388 38 0.13 29
GU.RSP.HHZ. 2015-08-26T06:59:07.64 1.0 undecidable manual S 173 102.5196 50 -0.17 21
GU.PZZ.HHZ. 2015-08-26T06:59:06.34 0.3 undecidable manual P 179 172.7937 50 0.3 50
CH.MUGIO.HHZ. 2015-08-26T06:59:02.65 1.0 undecidable manual P 95 150.8379 50 -0.01 19
CH.BNALP.HHZ. 2015-08-26T06:59:00.70 0.6 undecidable manual P 48 135.3645 50 0.43 38
GU.RRL.HHZ. 2015-08-26T06:58:59.41 0.3 undecidable manual P 191 129.0708 50 0.11 60
CH.MMK.HHZ. 2015-08-26T06:58:58.08 0.3 undecidable manual S 91 66.8775 50 -0.23 66
GU.LSD.HHZ. 2015-08-26T06:58:58.22 0.3 undecidable manual S 177 67.1772 50 -0.16 68
MN.BNI.HHZ. 2015-08-26T06:58:57.30 0.3 undecidable manual P 196 116.8941 50 -0.13 62
GU.CIRO.HHZ. 2015-08-26T06:58:57.55 0.3 undecidable manual S 144 62.9925 50 0.28 66
GU.RSP.HHZ. 2015-08-26T06:58:55.56 0.3 undecidable manual P 173 102.5196 50 0.35 61
GU.CIRO.HHZ. 2015-08-26T06:58:49.43 0.3 undecidable manual P 144 62.9925 50 0.31 66
GU.LSD.HHZ. 2015-08-26T06:58:49.61 0.3 undecidable manual P 177 67.1772 50 -0.15 67
CH.MMK.HHZ. 2015-08-26T06:58:49.81 0.3 undecidable manual P 91 66.8775 50 0.09 69
IV.MRGE.HHZ. 2015-08-26T06:58:48.94 0.3 undecidable manual S 185 32.745 50 -0.27 71
CH.DIX.HHZ. 2015-08-26T06:58:47.11 0.3 undecidable manual S 86 24.1536 50 0.21 73
IV.MRGE.HHZ. 2015-08-26T06:58:44.15 0.1 positive manual P 185 32.745 50 -0.31 93
CH.DIX.HHZ. 2015-08-26T06:58:43.16 0.1 undecidable manual P 86 24.1536 50 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.BNALP.HHN. ML:2.1 0.0000809 0.86 AML other m 2015-08-26T06:59:21.08
CH.BNALP.HHE. ML:2.1 0.00006855 1 AML other m 2015-08-26T06:59:20.40
MN.BNI.HHN. ML:1.7 0.0000335 0.6 AML other m 2015-08-26T06:59:18.23
MN.BNI.HHE. ML:1.5 0.000026000000000000002 0.88 AML other m 2015-08-26T06:59:18.74
GU.CIRO.HHN. ML:1.9 0.00014850000000000003 0.34 AML other m 2015-08-26T06:58:57.97
GU.CIRO.HHE. ML:2.0 0.000179 1.22 AML other m 2015-08-26T06:58:57.97
CH.DIX.HHE. ML:1.8 0.000361 0.16 AML other m 2015-08-26T06:58:47.59
CH.DIX.HHN. ML:2.0 0.0006945 0.26 AML other m 2015-08-26T06:58:47.48
GU.LSD.HHE. ML:2.0 0.00018099999999999998 0.28 AML other m 2015-08-26T06:59:00.90
GU.LSD.HHN. ML:2.0 0.0001595 0.82 AML other m 2015-08-26T06:59:01.26
IV.MRGE.HHN. ML:2.2 0.0006945 0.4 AML other m 2015-08-26T06:58:49.23
IV.MRGE.HHE. ML:2.1 0.0006325 0.22 AML other m 2015-08-26T06:58:49.26
CH.MUGIO.HHE. ML:2.0 0.000050950000000000005 0.34 AML other m 2015-08-26T06:59:28.42
CH.MUGIO.HHN. ML:2.0 0.00005545 0.58 AML other m 2015-08-26T06:59:28.36
GU.RRL.HHE. ML:2.1 0.00008355000000000001 0.62 AML other m 2015-08-26T06:59:22.74
GU.RRL.HHN. ML:1.9 0.00005015 1.52 AML other m 2015-08-26T06:59:21.90
GU.RSP.HHN. ML:2.1 0.000117 0.16 AML other m 2015-08-26T06:59:10.24
GU.RSP.HHE. ML:2.1 0.0001225 1.12 AML other m 2015-08-26T06:59:09.39
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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