Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 04-12-2014 and time 10:29:36 (Italy) in region V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA)

A magnitude ML 2.5 earthquake occured in region: V3 Monte Bianco (ITALIA, FRANCIA, SVIZZERA), on

  • 04-12-2014 09:29:36 (UTC)
  • 04-12-2014 10:29:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.0010, 6.9520 at 12 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

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 2.5 2014-12-04
09:29:36		 46.0008 6.9515 12 2015-09-21
09:40:11		 Bollettino Sismico Italiano INGV 16875091
Reviewed
Rev100 		ML 2.5 2014-12-04
09:29:36		 46.0123 6.9375 15 2014-12-04
09:36:07		 Sala Sismica INGV-Roma 12569331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-12-04 09:29:36 ± 0.19
Latitude 46.0008 ± 0.0072
Longitude 6.9515 ± 0.0117
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 16875091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 791
Semi-minor axis of confidence ellipse (meter) 634
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 109
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 194
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.21674
Epicentral distance of station farthest from the epicenter (degree) 1.49737
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 16875091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-02-04 09:05:05

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 12569331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-12-04 09:36:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2014-12-04T09:30:04.39 1.0 undecidable manual P 176 166.2114 90 0.88 14
CH.MUGIO.HHZ. 2014-12-04T09:30:03.34 0.6 undecidable manual P 92 161.4162 90 0.57 33
CH.BNALP.HHZ. 2014-12-04T09:30:01.63 1.0 undecidable manual P 49 148.3404 90 0.88 16
CH.FUSIO.HHZ. 2014-12-04T09:30:00.16 0.6 undecidable manual P 68 140.6481 90 0.58 35
GU.TRAV.HHZ. 2014-12-04T09:30:00.84 0.6 undecidable manual S 131 81.9513 91 0.02 45
RD.ORIF.BHZ. 2014-12-04T09:29:59.82 0.6 undecidable manual P 215 146.2425 90 -0.61 35
GU.SATI.HHZ. 2014-12-04T09:29:58.40 0.3 undecidable manual S 101 72.0723 91 0.22 67
GU.CIRO.HHZ. 2014-12-04T09:29:56.25 0.3 undecidable manual S 133 65.0904 91 -0.05 70
GU.LSD.HHZ. 2014-12-04T09:29:55.12 0.1 undecidable manual S 167 61.6938 91 -0.28 90
GU.TRAV.HHZ. 2014-12-04T09:29:50.88 0.3 undecidable manual P 131 81.9513 91 0.35 63
CH.MMK.HHZ. 2014-12-04T09:29:49.75 0.1 undecidable manual P 86 78.1662 91 -0.19 87
GU.CIRO.HHZ. 2014-12-04T09:29:48.29 0.1 undecidable manual P 133 65.0904 91 0.37 86
CH.DIX.HHZ. 2014-12-04T09:29:48.02 0.1 undecidable manual S 76 36.2415 92 -0.59 83
GU.SATI.HHZ. 2014-12-04T09:29:48.84 0.3 undecidable manual P 101 72.0723 91 -0.17 67
GU.LSD.HHZ. 2014-12-04T09:29:47.45 0.1 positive manual P 167 61.6938 91 0.04 92
IV.MRGE.HHZ. 2014-12-04T09:29:46.07 0.1 undecidable manual S 162 26.9508 93 -0.07 100
GU.REMY.HHZ. 2014-12-04T09:29:45.61 0.1 undecidable manual S 139 24.0537 94 0.26 95
CH.DIX.HHZ. 2014-12-04T09:29:43.23 0.1 negative manual P 76 36.2415 92 -0.25 93
GU.REMY.HHZ. 2014-12-04T09:29:41.69 0.1 negative manual P 139 24.0537 94 0.09 98
IV.MRGE.HHZ. 2014-12-04T09:29:41.89 0.1 undecidable manual P 162 26.9508 93 -0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.BNALP.HHN. ML:2.6 0.0001915 1.52 AML other m 2014-12-04T09:30:21.91
CH.BNALP.HHE. ML:2.4 0.000133 0.86 AML other m 2014-12-04T09:30:25.38
GU.CIRO.HHN. ML:2.6 0.000836 0.24 AML other m 2014-12-04T09:29:57.25
GU.CIRO.HHE. ML:2.4 0.0004345 0.68 AML other m 2014-12-04T09:29:57.32
CH.DIX.HHE. ML:2.2 0.0006525 0.44 AML other m 2014-12-04T09:29:48.14
CH.DIX.HHN. ML:2.6 0.00138 0.16 AML other m 2014-12-04T09:29:48.43
CH.FUSIO.HHE. ML:2.4 0.00015099999999999998 0.92 AML other m 2014-12-04T09:30:23.84
CH.FUSIO.HHN. ML:2.4 0.00014800000000000002 1.12 AML other m 2014-12-04T09:30:23.42
GU.LSD.HHE. ML:2.6 0.0007755 0.26 AML other m 2014-12-04T09:29:55.25
GU.LSD.HHN. ML:2.4 0.000498 0.38 AML other m 2014-12-04T09:29:57.90
CH.MMK.HHN. ML:1.9 0.00011125000000000001 0.34 AML other m 2014-12-04T09:30:03.08
CH.MMK.HHE. ML:1.9 0.0001145 0.4 AML other m 2014-12-04T09:30:06.84
IV.MRGE.HHE. ML:3.1 0.006915 0.24 AML other m 2014-12-04T09:29:46.29
IV.MRGE.HHN. ML:2.8 0.0035199999999999997 0.24 AML other m 2014-12-04T09:29:46.21
CH.MUGIO.HHN. ML:2.3 0.00008505000000000001 0.46 AML other m 2014-12-04T09:30:28.11
CH.MUGIO.HHE. ML:2.4 0.0001008 0.64 AML other m 2014-12-04T09:30:29.06
RD.ORIF.BHN. ML:2.5 0.0001805 0.84 AML other m 2014-12-04T09:30:24.17
RD.ORIF.BHE. ML:2.7 0.000291 0.44 AML other m 2014-12-04T09:30:22.71
GU.PZZ.HHE. ML:2.9 0.00032450000000000003 0.2 AML other m 2014-12-04T09:30:04.87
GU.PZZ.HHN. ML:2.7 0.00020400000000000003 1.02 AML other m 2014-12-04T09:30:29.88
GU.REMY.HHN. ML:2.9 0.00444 0.38 AML other m 2014-12-04T09:29:45.73
GU.REMY.HHE. ML:2.5 0.00206 0.78 AML other m 2014-12-04T09:29:46.41
GU.SATI.HHN. ML:2.0 0.00015900000000000002 0.98 AML other m 2014-12-04T09:29:59.43
GU.SATI.HHE. ML:1.9 0.00013450000000000002 1.38 AML other m 2014-12-04T09:29:58.94
GU.TRAV.HHE. ML:2.6 0.00046699999999999997 0.46 AML other m 2014-12-04T09:30:02.16
GU.TRAV.HHN. ML:2.8 0.0009235 0.28 AML other m 2014-12-04T09:30:02.17
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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