Earthquake with magnitude of ML 1.1 on date 13-09-2013 and time 19:17:46 (UTC) in region 5 km E La Thuile (AO)

A magnitude ML 1.1 earthquake occured in region: 5 km E La Thuile (AO), on

  • 13-09-2013 19:17:46 (UTC)
  • 13-09-2013 21:17:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.6980, 7.0020 at 6 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
La Thuile AO 5 761 761
Morgex AO 7 2104 2865
Pré-Saint-Didier AO 8 1050 3915
La Salle AO 8 2087 6002
Valgrisenche AO 9 196 6198
Courmayeur AO 11 2807 9005
Avise AO 11 305 9310
Rhêmes-Saint-Georges AO 13 194 9504
Arvier AO 13 873 10377
Saint-Nicolas AO 13 311 10688
Introd AO 15 658 11346
Villeneuve AO 16 1289 12635
Rhêmes-Notre-Dame AO 17 89 12724
Saint-Pierre AO 18 3165 15889
Aymavilles AO 19 2086 17975
Valsavarenche AO 20 161 18136
Saint-Rhémy-en-Bosses AO 20 338 18474

Municipalities with at least 50000 inhabitants

An earthquake occurred to
87 Km NW of Torino (890529 inhabitants)
94 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 1.1 2013-09-13
19:17:46
45.6977 7.002 6 2015-01-20
11:28:57
Bollettino Sismico Italiano INGV 6279061
Reviewed
Rev100
ML 1.1 2013-09-13
19:17:46
45.6972 7.0078 6 2014-10-21
12:08:56
Sala Sismica INGV-Roma 4485801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-09-13 19:17:46 ± 0.18
Latitude 45.6977 ± 0.0036
Longitude 7.0020 ± 0.0193
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6279061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1490
Semi-minor axis of confidence ellipse (meter) 262
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 1490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.57916
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 4485801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-09-13 19:28:07

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 6279061
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:28:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RSP.HHZ. 2013-09-13T19:18:07.17 0.3 undecidable manual S 161 64.2912 50 -0.06 68
GU.RSP.HHZ. 2013-09-13T19:17:58.27 0.1 undecidable manual P 161 64.2912 50 -0.17 88
GU.TRAV.HHZ. 2013-09-13T19:17:58.11 0.1 undecidable manual P 109 61.3941 50 0.13 89
GU.LSD.HHZ. 2013-09-13T19:17:56.35 0.3 undecidable manual S 159 28.3494 102 -0.12 71
GU.REMY.HHZ. 2013-09-13T19:17:53.49 0.3 undecidable manual S 38 19.5693 106 -0.03 74
GU.LSD.HHZ. 2013-09-13T19:17:52.48 0.3 undecidable manual P 159 28.3494 102 0.25 69
GU.REMY.HHZ. 2013-09-13T19:17:50.56 0.1 undecidable manual P 38 19.5693 106 0.04 98
IV.MRGE.HHZ. 2013-09-13T19:17:50.08 0.3 undecidable manual S 30 9.1797 122 -0.12 74
IV.MRGE.HHZ. 2013-09-13T19:17:48.64 0.1 undecidable manual P 30 9.1797 122 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHE. ML:1.0 0.00004795 0.26 AML other m 2013-09-13T19:17:56.51
GU.LSD.HHN. ML:0.9 0.0000434 0.2 AML other m 2013-09-13T19:17:57.33
IV.MRGE.HHN. ML:1.4 0.000388 0.76 AML other m 2013-09-13T19:17:50.23
IV.MRGE.HHE. ML:1.3 0.0003355 1.16 AML other m 2013-09-13T19:17:50.12
GU.REMY.HHN. ML:1.0 0.00008595 0.22 AML other m 2013-09-13T19:17:53.86
GU.REMY.HHE. ML:0.9 0.00007145 0.38 AML other m 2013-09-13T19:17:53.86
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