Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 15-05-2013 and time 13:11:03 (Italy) in region 4 km NW Oyace (AO)

A magnitude ML 1.3 earthquake occured in region: 4 km NW Oyace (AO), on

  • 15-05-2013 11:11:03 (UTC)
  • 15-05-2013 13:11:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.8880, 7.3660 at 7 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
Oyace AO 4 219 219
Bionaz AO 5 236 455
Ollomont AO 6 157 612
Valpelline AO 7 657 1269
Doues AO 9 510 1779
Allein AO 11 229 2008
Roisan AO 12 1036 3044
Etroubles AO 13 501 3545
Gignod AO 13 1710 5255
Saint-Oyen AO 14 203 5458
Saint-Christophe AO 15 3432 8890
Saint-Rhémy-en-Bosses AO 16 338 9228
Quart AO 17 4039 13267
Aosta AO 17 34390 47657
Pollein AO 18 1569 49226
Brissogne AO 18 1008 50234
Nus AO 18 2984 53218
Saint-Marcel AO 18 1362 54580
Torgnon AO 19 558 55138
Charvensod AO 19 2468 57606
Verrayes AO 19 1302 58908
Gressan AO 19 3387 62295
Fénis AO 20 1813 64108
Antey-Saint-André AO 20 602 64710

Municipalities with at least 50000 inhabitants

An earthquake occurred to
94 Km N of Torino (890529 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 1.3 2013-05-15
11:11:03		 45.8875 7.3663 7 2015-01-20
11:26:02		 Bollettino Sismico Italiano INGV 4141261
Reviewed
Rev100 		ML 1.3 2013-05-15
11:11:03		 45.8873 7.3707 5 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3524951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-05-15 11:11:03 ± 0.14
Latitude 45.8875 ± 0.0063
Longitude 7.3663 ± 0.0103
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4141261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 707
Semi-minor axis of confidence ellipse (meter) 513
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 116
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
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) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.19425
Epicentral distance of station farthest from the epicenter (degree) 0.45955
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 4141261
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:24:58

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 3524951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-05-15 11:20:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.LSD.HHZ. 2013-05-15T11:11:20.26 0.3 undecidable manual S 201 50.8158 50 -0.33 69
GU.TRAV.HHZ. 2013-05-15T11:11:20.21 0.3 undecidable manual S 145 51.0156 50 -0.43 68
CH.MMK.HHZ. 2013-05-15T11:11:19.80 0.3 undecidable manual S 68 49.5171 50 -0.45 68
GU.SATI.HHZ. 2013-05-15T11:11:16.86 0.3 undecidable manual S 92 38.8278 100 -0.42 69
GU.CIRO.HHZ. 2013-05-15T11:11:15.91 0.1 undecidable manual S 154 35.3424 101 -0.18 98
GU.TRAV.HHZ. 2013-05-15T11:11:14.06 0.1 undecidable manual P 145 51.0156 50 0.61 85
CH.MMK.HHZ. 2013-05-15T11:11:13.49 0.1 undecidable manual P 68 49.5171 50 0.27 94
GU.LSD.HHZ. 2013-05-15T11:11:13.65 0.1 undecidable manual P 201 50.8158 50 0.23 94
IV.MRGE.HHZ. 2013-05-15T11:11:12.67 0.1 undecidable manual S 241 26.9508 104 -0.59 90
GU.CIRO.HHZ. 2013-05-15T11:11:11.32 0.1 undecidable manual P 154 35.3424 101 0.5 91
CH.DIX.HHZ. 2013-05-15T11:11:11.12 0.1 undecidable manual S 9 21.5673 107 -0.34 97
GU.SATI.HHZ. 2013-05-15T11:11:11.55 0.1 undecidable manual P 92 38.8278 100 0.05 100
IV.MRGE.HHZ. 2013-05-15T11:11:09.47 0.1 undecidable manual P 241 26.9508 104 0.28 97
CH.DIX.HHZ. 2013-05-15T11:11:08.51 0.1 undecidable manual P 9 21.5673 107 0.37 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHE. ML:1.4 0.00019 0.22 AML other m 2013-05-15T11:11:11.18
CH.DIX.HHN. ML:1.1 0.0000949 0.4 AML other m 2013-05-15T11:11:11.48
IV.MRGE.HHN. ML:1.5 0.00016599999999999997 0.08 AML other m 2013-05-15T11:11:12.76
IV.MRGE.HHE. ML:1.2 0.000079 1.16 AML other m 2013-05-15T11:11:12.95
GU.TRAV.HHN. ML:1.5 0.00008065 0.22 AML other m 2013-05-15T11:11:20.74
GU.TRAV.HHE. ML:1.3 0.000054900000000000006 1.58 AML other m 2013-05-15T11:11:21.16
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