Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 02-10-2016 and time 09:51:49 (Italy) in region 5 km NE Sampeyre (CN)

A magnitude ML 0.5 earthquake occured in region: 5 km NE Sampeyre (CN), on

  • 02-10-2016 07:51:49 (UTC)
  • 02-10-2016 09:51:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6200, 7.2200 at 14 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
Sampeyre CN 5 1022 1022
Oncino CN 7 76 1098
Frassino CN 7 265 1363
Sanfront CN 9 2395 3758
Ostana CN 9 83 3841
Paesana CN 9 2784 6625
Melle CN 10 292 6917
Gambasca CN 10 371 7288
Crissolo CN 10 168 7456
Rifreddo CN 11 1078 8534
Martiniana Po CN 12 734 9268
Casteldelfino CN 12 157 9425
Brossasco CN 12 1084 10509
Valmala CN 13 52 10561
Isasca CN 13 76 10637
Elva CN 14 97 10734
Macra CN 14 59 10793
Envie CN 14 2074 12867
Revello CN 14 4262 17129
Barge CN 14 7774 24903
Stroppo CN 15 103 25006
San Damiano Macra CN 15 430 25436
Brondello CN 15 290 25726
Pontechianale CN 15 179 25905
Venasca CN 15 1437 27342
Celle di Macra CN 16 100 27442
Bellino CN 17 109 27551
Cartignano CN 17 190 27741
Pagno CN 17 585 28326
Castellar CN 17 295 28621
Bagnolo Piemonte CN 17 6024 34645
Roccabruna CN 19 1585 36230
Rossana CN 19 908 37138
Rorà TO 19 257 37395
Piasco CN 20 2774 40169
Villar San Costanzo CN 20 1547 41716
Prazzo CN 20 170 41886

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of Cuneo (56081 inhabitants)
56 Km SW of Moncalieri (57294 inhabitants)
62 Km SW of Torino (890529 inhabitants)
84 Km W of Asti (76202 inhabitants)
100 Km NW of Sanremo (54807 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 0.5 2016-10-02
07:51:49		 44.6198 7.2203 14 2017-05-16
08:34:09		 Bollettino Sismico Italiano INGV 45374181
Reviewed
Rev100 		ML 0.5 2016-10-02
07:51:49		 44.6192 7.2293 12 2016-10-02
08:01:23		 Sala Sismica INGV-Roma 29771261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-02 07:51:49 ± 0.18
Latitude 44.6198 ± 0.0090
Longitude 7.2203 ± 0.0265
Depth (km) 14 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 45374181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2070
Semi-minor axis of confidence ellipse (meter) 920
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 2070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.13490
Epicentral distance of station farthest from the epicenter (degree) 0.42808
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:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 29771261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-02 08:01:23

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 45374181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-05-16 08:34:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHZ. 2016-10-02T07:52:03.97 0.3 undecidable manual S 315 47.5191 95 -0.32 69
GU.STV.HHZ. 2016-10-02T07:52:02.21 0.6 undecidable manual S 169 42.3243 95 -0.71 41
GU.RRL.HHZ. 2016-10-02T07:51:58.31 0.1 undecidable manual P 315 47.5191 95 0.43 90
GU.STV.HHZ. 2016-10-02T07:51:57.36 0.3 undecidable manual P 169 42.3243 95 0.28 70
GU.ENR.HHZ. 2016-10-02T07:51:57.74 0.3 undecidable manual P 160 46.4202 95 0.04 73
GU.BHB.HHZ. 2016-10-02T07:51:57.47 0.6 undecidable manual S 8 24.1536 103 -0.63 44
GU.PZZ.HHZ. 2016-10-02T07:51:55.54 0.3 undecidable manual S 213 14.9739 119 -0.28 74
GU.BHB.HHZ. 2016-10-02T07:51:54.42 0.1 undecidable manual P 8 24.1536 103 0.12 100
GU.PZZ.HHZ. 2016-10-02T07:51:53.26 0.1 undecidable manual P 213 14.9739 119 0.27 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHE. ML:0.4 0.000013350536 0 AML other m 2016-10-02T07:51:58.44
GU.ENR.HHN. ML:0.6 0.0000083021345 0.064 AML other m 2016-10-02T07:52:02.18
GU.PZZ.HHN. ML:0.6 0.00003135661 0.0608 AML other m 2016-10-02T07:51:55.79
GU.PZZ.HHE. ML:0.6 0.000034623744999999995 0.0192 AML other m 2016-10-02T07:51:56.35
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