Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 05-10-2012 and time 21:20:58 (Italy) in region 5 km NE Sampeyre (CN)

A magnitude ML 1.3 earthquake occured in region: 5 km NE Sampeyre (CN), on

  • 05-10-2012 19:20:58 (UTC)
  • 05-10-2012 21:20:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6150, 7.2260 at 15 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
Frassino CN 6 265 1287
Oncino CN 8 76 1363
Sanfront CN 8 2395 3758
Paesana CN 9 2784 6542
Ostana CN 9 83 6625
Melle CN 10 292 6917
Gambasca CN 10 371 7288
Rifreddo CN 11 1078 8366
Crissolo CN 11 168 8534
Martiniana Po CN 11 734 9268
Brossasco CN 12 1084 10352
Valmala CN 12 52 10404
Casteldelfino CN 13 157 10561
Isasca CN 13 76 10637
Macra CN 13 59 10696
Elva CN 14 97 10793
Revello CN 14 4262 15055
Envie CN 14 2074 17129
San Damiano Macra CN 14 430 17559
Brondello CN 14 290 17849
Stroppo CN 14 103 17952
Venasca CN 15 1437 19389
Barge CN 15 7774 27163
Celle di Macra CN 15 100 27263
Pontechianale CN 16 179 27442
Cartignano CN 16 190 27632
Pagno CN 16 585 28217
Castellar CN 17 295 28512
Bellino CN 17 109 28621
Bagnolo Piemonte CN 18 6024 34645
Roccabruna CN 18 1585 36230
Rossana CN 18 908 37138
Villar San Costanzo CN 19 1547 38685
Piasco CN 19 2774 41459
Dronero CN 20 7035 48494
Prazzo CN 20 170 48664
Rorà TO 20 257 48921

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)
99 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
Reviewed
Rev100 		ML 1.3 2012-10-05
19:20:58		 44.6213 7.2218 13 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2302911
Bulletin
Rev1000 		ML 1.3 2012-10-05
19:20:58		 44.6148 7.2262 15 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 4214491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-10-05 19:20:58 ± 0.17
Latitude 44.6148 ± 0.0072
Longitude 7.2262 ± 0.0202
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4214491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1427
Semi-minor axis of confidence ellipse (meter) 883
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 1430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.11152
Epicentral distance of station farthest from the epicenter (degree) 0.53330
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 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 4214491
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:46:42

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 2302911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-10-05 19:27:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHZ. 2012-10-05T19:21:13.33 0.3 undecidable manual S 315 48.2184 96 -0.47 64
GU.ENR.HHZ. 2012-10-05T19:21:12.50 0.3 undecidable manual S 160 45.7209 96 -0.63 63
GU.STV.HHZ. 2012-10-05T19:21:11.52 0.3 undecidable manual S 169 41.7249 97 -0.54 65
GU.RSP.HHZ. 2012-10-05T19:21:08.78 0.3 undecidable manual P 3 59.1963 94 -0.2 68
GU.BHB.HHZ. 2012-10-05T19:21:07.20 0.3 undecidable manual S 7 24.6531 106 -0.37 69
GU.RRL.HHZ. 2012-10-05T19:21:07.76 0.1 undecidable manual P 315 48.2184 96 0.46 87
GU.STV.HHZ. 2012-10-05T19:21:06.61 0.1 undecidable manual P 169 41.7249 97 0.31 90
GU.ENR.HHZ. 2012-10-05T19:21:06.95 0.1 undecidable manual P 160 45.7209 96 0.05 95
GU.PZZ.HHZ. 2012-10-05T19:21:05.01 0.3 undecidable manual S 216 14.7741 123 -0.16 72
IV.DOI.HHZ. 2012-10-05T19:21:04.58 0.1 undecidable manual S 172 12.3765 129 -0.07 100
GU.BHB.HHZ. 2012-10-05T19:21:03.82 0.1 negative manual P 7 24.6531 106 0.12 97
IV.DOI.HHZ. 2012-10-05T19:21:02.53 0.1 negative manual P 172 12.3765 129 0.52 92
GU.PZZ.HHZ. 2012-10-05T19:21:02.75 0.3 undecidable manual P 216 14.7741 123 0.43 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHE. ML:1.1 0.0000672 0.08 AML other m 2012-10-05T19:21:13.30
GU.BHB.HHN. ML:1.2 0.00008435 0.24 AML other m 2012-10-05T19:21:13.94
IV.DOI.HHE. ML:1.7 0.000412 0.14 AML other m 2012-10-05T19:21:10.90
IV.DOI.HHN. ML:1.6 0.00033600000000000004 0.18 AML other m 2012-10-05T19:21:10.83
GU.ENR.HHE. ML:1.4 0.00007485 0.94 AML other m 2012-10-05T19:21:19.08
GU.ENR.HHN. ML:1.5 0.0000828 0.74 AML other m 2012-10-05T19:21:19.29
GU.PZZ.HHN. ML:1.5 0.000273 0.32 AML other m 2012-10-05T19:21:11.36
GU.PZZ.HHE. ML:1.5 0.000248 1.58 AML other m 2012-10-05T19:21:11.33
GU.RRL.HHE. ML:1.1 0.0000303 1.58 AML other m 2012-10-05T19:21:13.97
GU.RRL.HHN. ML:0.9 0.000023199999999999998 0.56 AML other m 2012-10-05T19:21:20.51
GU.STV.HHE. ML:1.1 0.0000375 0.5 AML other m 2012-10-05T19:21:18.54
GU.STV.HHN. ML:0.9 0.000024800000000000003 0.18 AML other m 2012-10-05T19:21:19.02
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