Earthquake with magnitude of ML 1.4 on date 23-12-2013 and time 01:13:31 (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

  • 23-12-2013 00:13:31 (UTC)
  • 23-12-2013 01:13:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.0030, 7.0560 at 13 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 1.4 2013-12-23
00:13:31
46.0027 7.0558 13 2015-01-20
11:30:41
Bollettino Sismico Italiano INGV 5150521
Reviewed
Rev100
ML 1.4 2013-12-23
00:13:31
46.0052 7.0577 11 2014-10-21
12:08:56
Sala Sismica INGV-Roma 5030011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-12-23 00:13:31 ± 0.15
Latitude 46.0027 ± 0.0063
Longitude 7.0558 ± 0.0129
Depth (km) 13 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 5150521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1037
Semi-minor axis of confidence ellipse (meter) 271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.17897
Epicentral distance of station farthest from the epicenter (degree) 0.76173
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 5150521
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:26:44

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 5030011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-12-23 00:18:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.TRAV.HHZ. 2013-12-23T00:13:54.46 0.6 undecidable manual S 135 76.2681 92 -0.1 46
GU.LSD.HHZ. 2013-12-23T00:13:50.04 0.3 undecidable manual S 174 60.5949 92 -0.33 67
GU.CIRO.HHZ. 2013-12-23T00:13:49.99 0.3 undecidable manual S 138 59.5959 92 -0.11 71
CH.GIMEL.HHZ. 2013-12-23T00:13:46.09 0.6 undecidable manual P 314 84.5487 92 -0.1 44
GU.TRAV.HHZ. 2013-12-23T00:13:45.32 0.3 undecidable manual P 135 76.2681 92 0.4 62
GU.SATI.HHZ. 2013-12-23T00:13:43.39 0.1 undecidable manual P 102 64.2912 92 0.32 87
GU.LSD.HHZ. 2013-12-23T00:13:42.73 0.1 positive manual P 174 60.5949 92 0.23 89
GU.CIRO.HHZ. 2013-12-23T00:13:42.63 0.1 undecidable manual P 138 59.5959 92 0.29 88
CH.DIX.HHZ. 2013-12-23T00:13:41.37 0.3 undecidable manual S 72 28.4493 97 -0.45 69
IV.MRGE.HHZ. 2013-12-23T00:13:40.72 0.6 undecidable manual S 179 25.8519 98 -0.41 47
GU.REMY.HHZ. 2013-12-23T00:13:39.57 0.3 undecidable manual S 157 19.869 104 0 75
CH.DIX.HHZ. 2013-12-23T00:13:37.54 0.1 negative manual P 72 28.4493 97 -0.02 100
GU.REMY.HHZ. 2013-12-23T00:13:36.38 0.1 undecidable manual P 157 19.869 104 0.12 98
IV.MRGE.HHZ. 2013-12-23T00:13:36.97 0.1 undecidable manual P 179 25.8519 98 -0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRGE.HHE. ML:1.3 0.00009939999999999999 0.1 AML other m 2013-12-23T00:13:37.16
IV.MRGE.HHN. ML:1.5 0.00016669999999999999 0.08 AML other m 2013-12-23T00:13:37.17
GU.REMY.HHE. ML:1.4 0.000193 0.42 AML other m 2013-12-23T00:13:39.82
GU.REMY.HHN. ML:1.3 0.00014150000000000002 1 AML other m 2013-12-23T00:13:40.15
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download