Earthquake with magnitude of ML 2.2 on date 06-08-2015 and time 01:29:29 (Italy) in region NE Valloriate (CN)

A magnitude ML 2.2 earthquake occured in region: NE Valloriate (CN), on

  • 05-08-2015 23:29:29 (UTC)
  • 06-08-2015 01:29:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3420, 7.3780 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Valloriate CN 0 109 109
Rittana CN 2 109 218
Gaiola CN 3 582 800
Moiola CN 3 234 1034
Roccasparvera CN 5 741 1775
Demonte CN 7 2003 3778
Bernezzo CN 7 4104 7882
Valdieri CN 7 935 8817
Valgrana CN 8 786 9603
Vignolo CN 8 2600 12203
Monterosso Grana CN 9 505 12708
Cervasca CN 9 5013 17721
Borgo San Dalmazzo CN 9 12468 30189
Roccavione CN 9 2761 32950
Caraglio CN 9 6836 39786
Roaschia CN 10 107 39893
Montemale di Cuneo CN 11 241 40134
Entracque CN 11 774 40908
Pradleves CN 11 250 41158
Robilante CN 12 2306 43464
Aisone CN 13 248 43712
Boves CN 14 9835 53547
Dronero CN 14 7035 60582
Cuneo CN 15 56081 116663
Castelmagno CN 15 66 116729
Roccabruna CN 15 1585 118314
Villar San Costanzo CN 16 1547 119861
Vernante CN 16 1178 121039
Vinadio CN 17 644 121683
Cartignano CN 17 190 121873
San Damiano Macra CN 19 430 122303
Peveragno CN 19 5543 127846

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km W of Cuneo (56081 inhabitants)
66 Km NW of Sanremo (54807 inhabitants)
77 Km SW of Moncalieri (57294 inhabitants)
85 Km SW of Torino (890529 inhabitants)
88 Km W of Savona (61345 inhabitants)
90 Km SW of Asti (76202 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 2.2 2015-08-05
23:29:29
44.3422 7.3775 7 2016-01-08
08:46:44
Bollettino Sismico Italiano INGV 21048351
Reviewed
Rev100
ML 2.2 2015-08-05
23:29:29
44.3312 7.3487 9 2015-08-05
23:43:18
Sala Sismica INGV-Roma 20724341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-08-05 23:29:29 ± 0.11
Latitude 44.3422 ± 0.0072
Longitude 7.3775 ± 0.0126
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 21048351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1119
Semi-minor axis of confidence ellipse (meter) 307
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.10342
Epicentral distance of station farthest from the epicenter (degree) 1.50277
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 20724341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-08-05 23:43:17

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 21048351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-08-24 10:52:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.ORIF.BHE. 2015-08-05T23:30:10.20 0.3 undecidable manual S 299 134.3655 50 1.24 41
MN.BNI.HHZ. 2015-08-05T23:29:58.10 0.3 undecidable manual S 325 96.126 50 -0.65 58
GU.REMY.HHZ. 2015-08-05T23:29:57.15 0.6 undecidable manual P 354 166.8108 50 -0.22 36
IV.MRGE.HHZ. 2015-08-05T23:29:56.40 0.6 undecidable manual P 351 160.3173 50 0.03 39
RD.ORIF.BHE. 2015-08-05T23:29:53.15 0.3 undecidable manual P 299 134.3655 50 0.77 51
GU.RRL.HHZ. 2015-08-05T23:29:53.70 0.6 undecidable manual S 324 79.1652 50 -0.52 42
GU.TRAV.HHZ. 2015-08-05T23:29:51.30 0.6 undecidable manual P 12 133.0668 50 -0.87 33
GU.LSD.HHZ. 2015-08-05T23:29:50.61 0.6 undecidable manual P 351 125.3745 50 -0.38 40
GU.RORO.HHZ. 2015-08-05T23:29:49.30 0.3 undecidable manual S 115 60.3951 50 0.08 72
GU.BURY.HHZ. 2015-08-05T23:29:49.70 0.3 undecidable manual S 167 63.6918 50 -0.39 67
IV.IMI.HHZ. 2015-08-05T23:29:49.50 0.1 undecidable manual S 139 63.0924 50 -0.43 89
GU.PCP.HHZ. 2015-08-05T23:29:47.05 0.6 positive manual P 76 95.1381 50 0.73 38
MN.BNI.HHZ. 2015-08-05T23:29:46.98 0.3 undecidable manual P 325 96.126 50 0.5 62
GU.MGRO.HHZ. 2015-08-05T23:29:45.50 0.1 undecidable manual S 134 47.7189 50 -0.33 93
GU.RSP.HHZ. 2015-08-05T23:29:45.04 0.3 undecidable manual P 354 89.8434 50 -0.47 63
GU.RRL.HHZ. 2015-08-05T23:29:44.16 0.6 positive manual P 324 79.1652 50 0.29 44
IV.QLNO.HHZ. 2015-08-05T23:29:44.04 0.1 negative manual P 91 76.8675 50 0.53 84
FR.SAOF.HHZ. 2015-08-05T23:29:43.07 3.0 undecidable manual S 41.9247 -0.8 0
IV.IMI.HHZ. 2015-08-05T23:29:41.62 0.1 undecidable manual P 139 63.0924 50 0.23 93
GU.RORO.HHZ. 2015-08-05T23:29:41.06 0.1 undecidable manual P 115 60.3951 50 0.09 96
GU.BURY.HHZ. 2015-08-05T23:29:41.94 0.3 negative manual P 167 63.6918 50 0.46 66
GU.BHB.HHZ. 2015-08-05T23:29:40.12 0.1 positive manual P 351 55.4001 50 -0.09 97
GU.PZZ.HHZ. 2015-08-05T23:29:39.10 0.1 undecidable manual S 312 27.6501 104 -0.49 93
FR.SAOF.HHZ. 2015-08-05T23:29:38.15 3.0 undecidable manual P 41.9247 0.24 0
GU.MGRO.HHZ. 2015-08-05T23:29:38.97 0.1 undecidable manual P 134 47.7189 50 -0.05 99
GU.GBOS.HHZ. 2015-08-05T23:29:37.46 0.6 negative manual P 107 38.3283 100 -0.06 50
GU.PZZ.HHZ. 2015-08-05T23:29:35.59 0.1 undecidable manual P 312 27.6501 104 0.18 100
GU.ENR.HHZ. 2015-08-05T23:29:34.60 0.1 undecidable manual S 165 13.2756 118 -0.29 100
GU.STV.HHZ. 2015-08-05T23:29:34.00 0.1 undecidable manual S 201 11.4774 121 -0.36 99
GU.ENR.HHZ. 2015-08-05T23:29:33.13 0.1 undecidable manual P 165 13.2756 118 0.43 97
GU.STV.HHZ. 2015-08-05T23:29:32.75 0.1 undecidable manual P 201 11.4774 121 0.36 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHN. ML:1.9 0.001137 0.9 AML other m 2015-08-05T23:29:34.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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