Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 25-06-2017 and time 19:06:20 (Italy) in region V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA)

A magnitude ML 1.4 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on

  • 25-06-2017 17:06:20 (UTC)
  • 25-06-2017 19:06:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.9920, 7.2300 at 9 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ollomont AO 17 157 157
Saint-Oyen AO 19 203 360
Saint-Rhémy-en-Bosses AO 19 338 698
Etroubles AO 19 501 1199
Oyace AO 20 219 1418
Valpelline AO 20 657 2075
Bionaz AO 20 236 2311
Allein AO 20 229 2540
Doues AO 20 510 3050

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 1.4 2017-06-25
17:06:20		 45.9922 7.2298 9 2018-07-06
11:13:35		 Bollettino Sismico Italiano INGV 53554751
Reviewed
Rev100 		ML 1.5 2017-06-25
17:06:20		 46.0053 7.2328 11 2017-06-25
17:25:02		 Sala Sismica INGV-Roma 47152261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-06-25 17:06:20 ± 0.14
Latitude 45.9922 ± 0.0081
Longitude 7.2298 ± 0.0116
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 53554751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 978
Semi-minor axis of confidence ellipse (meter) 447
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 314
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85885
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 53554751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-30 14:19:47

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 47152261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-06-25 17:25:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2017-06-25T17:08:12.06 3.0 undecidable manual Sn 2.72 0
IV.TOLF.HHZ. 2017-06-25T17:07:58.98 3.0 undecidable manual Pg 23.02 0
IV.LIK.EHZ.01 2017-06-25T17:07:58.53 3.0 positive manual Pn 6.11 0
GU.GSCL.HHZ. 2017-06-25T17:07:39.58 3.0 undecidable manual Sn -0.27 0
IV.VENL.HNZ. 2017-06-25T17:07:30.78 3.0 undecidable manual Pg 16.889999 0
IV.ZONE.HHZ. 2017-06-25T17:07:30.59 3.0 undecidable manual Sg 12.58 0
CH.BERNI.HHZ. 2017-06-25T17:07:22.80 3.0 undecidable manual Sn 6.91 0
IV.LEOD.HNZ. 2017-06-25T17:07:20.92 3.0 undecidable manual Sn 0.94 0
GU.CANO.HHZ. 2017-06-25T17:07:15.26 3.0 undecidable manual Sn -0.86 0
IV.IMOL.HNZ. 2017-06-25T17:07:13.59 3.0 positive manual Pn 0.25 0
IV.SARZ.HHZ. 2017-06-25T17:07:09.46 3.0 undecidable manual Sn 0.12 0
IV.EUCT.HNZ. 2017-06-25T17:07:06.80 3.0 undecidable manual Sn -0.38 0
GU.RSP.HHZ. 2017-06-25T17:06:48.23 0.6 undecidable manual S 178 93.6396 50 -0.06 45
GU.TRAV.HHZ. 2017-06-25T17:06:40.96 0.6 undecidable manual S 143 66.5778 50 -0.1 47
CH.MMK.HHZ. 2017-06-25T17:06:37.61 0.6 undecidable manual S 83 56.8986 50 -0.88 37
GU.RSP.HHZ. 2017-06-25T17:06:37.13 0.3 undecidable manual P 178 93.6396 50 0.62 58
GU.CIRO.HHZ. 2017-06-25T17:06:36.52 0.6 undecidable manual S 149 50.616 50 -0.28 46
CH.GIMEL.HHZ. 2017-06-25T17:06:36.62 0.1 undecidable manual P 309 95.3379 50 -0.14 87
GU.SATI.HHZ. 2017-06-25T17:06:36.71 0.6 undecidable manual S 105 50.9157 50 -0.18 47
GU.TRAV.HHZ. 2017-06-25T17:06:32.75 0.3 undecidable manual P 143 66.5778 50 0.41 65
GU.SATI.HHZ. 2017-06-25T17:06:30.00 0.1 positive manual P 105 50.9157 50 0.07 96
GU.CIRO.HHZ. 2017-06-25T17:06:30.32 0.3 undecidable manual P 149 50.616 50 0.45 67
IV.MRGE.HHZ. 2017-06-25T17:06:30.06 0.6 undecidable manual S 208 27.9498 108 -0.55 45
CH.MMK.HHZ. 2017-06-25T17:06:30.82 0.1 undecidable manual P 83 56.8986 50 -0.03 96
CH.DIX.HHZ. 2017-06-25T17:06:26.95 0.6 undecidable manual S 55 16.872 119 -0.12 51
IV.MRGE.HHZ. 2017-06-25T17:06:26.17 0.1 positive manual P 208 27.9498 108 -0.13 99
CH.DIX.HHZ. 2017-06-25T17:06:24.44 0.1 negative manual P 55 16.872 119 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHE. ML:2.0 0.0009955 0.34 AML other m 2017-06-25T17:06:27.14
GU.CIRO.HHE. ML:1.4 0.00006429999999999999 1.34 AML other m 2017-06-25T17:06:37.76
GU.SATI.HHE. ML:1.0 0.000025254955 0.32 AML other m 2017-06-25T17:06:37.27
GU.CIRO.HHN. ML:1.4 0.00006305 0.42 AML other m 2017-06-25T17:06:37.75
CH.MMK.HHN. ML:1.0 0.000025300000000000002 1.22 AML other m 2017-06-25T17:06:38.26
CH.MMK.HHE. ML:1.0 0.00002205 0.46 AML other m 2017-06-25T17:06:39.00
GU.TRAV.HHE. ML:2.0 0.00016549999999999998 0.16 AML other m 2017-06-25T17:06:41.08
GU.TRAV.HHN. ML:2.0 0.0001625 0.28 AML other m 2017-06-25T17:06:41.44
GU.RSP.HNE. ML:1.6 0.000044746652 1.3088 AML other m 2017-06-25T17:06:48.81
GU.RSP.HHN. ML:1.3 0.000020419480000000002 1.3824 AML other m 2017-06-25T17:06:48.97
GU.RSP.HHE. ML:1.4 0.000023992195 1.7952 AML other m 2017-06-25T17:06:50.03
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