Earthquake with magnitude of ML 2.1 on date 07-10-2007 and time 16:39:14 (Italy) in region 4 km N Castelmagno (CN)

A magnitude ML 2.1 earthquake occured in region: 4 km N Castelmagno (CN), on

  • 07-10-2007 14:39:14 (UTC)
  • 07-10-2007 16:39:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4450, 7.2200 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelmagno CN 4 66 66
Celle di Macra CN 5 100 166
Pradleves CN 6 250 416
San Damiano Macra CN 6 430 846
Cartignano CN 7 190 1036
Macra CN 7 59 1095
Monterosso Grana CN 9 505 1600
Marmora CN 10 68 1668
Stroppo CN 10 103 1771
Roccabruna CN 10 1585 3356
Canosio CN 11 80 3436
Dronero CN 12 7035 10471
Montemale di Cuneo CN 12 241 10712
Valgrana CN 13 786 11498
Villar San Costanzo CN 14 1547 13045
Prazzo CN 14 170 13215
Aisone CN 15 248 13463
Elva CN 15 97 13560
Frassino CN 15 265 13825
Valmala CN 15 52 13877
Sampeyre CN 15 1022 14899
Melle CN 15 292 15191
Demonte CN 16 2003 17194
Vinadio CN 16 644 17838
Sambuco CN 16 92 17930
Caraglio CN 17 6836 24766
Valloriate CN 17 109 24875
Rittana CN 18 109 24984
Brossasco CN 18 1084 26068
Bernezzo CN 18 4104 30172
Acceglio CN 18 162 30334
Pietraporzio CN 19 77 30411
Gaiola CN 19 582 30993
Venasca CN 19 1437 32430
Moiola CN 19 234 32664

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Cuneo (56081 inhabitants)
72 Km SW of Moncalieri (57294 inhabitants)
79 Km SW of Torino (890529 inhabitants)
83 Km NW of Sanremo (54807 inhabitants)
93 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
Md 2.5
ML 2.1
2007-10-07
14:39:14
44.445 7.22 15 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 656409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-10-07 14:39:14 ± 0.22
Latitude 44.4450 ± 0.0135
Longitude 7.2200 ± 0.0277
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 656409

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2568
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 2662.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.56
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.01533
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 656409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:28:06

Md:2.5

Field Value
Value 2.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 656409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:28:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.TRAV.HHE. 2007-10-07T14:39:51.22 10.0 undecidable manual Sg 0 0 0
GU.TRAV.HHE. 2007-10-07T14:39:45.54 10.0 undecidable manual Pg 0 0 0
IV.IMI.SHZ. 2007-10-07T14:39:38.03 0.1 undecidable manual Sg 138 79.9644 -0.265 83
GU.LSD.HHN. 2007-10-07T14:39:33.07 0.1 undecidable manual Pg 357 112.6983 -0.213 80
GU.PCP.HHZ. 2007-10-07T14:39:32.48 0.1 undecidable manual Pg 84 105.4167 0.323 79
IV.MONC.HHZ. 2007-10-07T14:39:30.57 0.1 undecidable manual Pg 38 89.244 0.899 67
IV.QLNO.HHE. 2007-10-07T14:39:30.10 0.1 undecidable manual Pg 98 90.243 0.276 83
MN.BNI.HHN. 2007-10-07T14:39:28.75 0.1 undecidable manual Pg 328 79.8645 0.527 79
IV.IMI.SHZ. 2007-10-07T14:39:28.32 0.1 undecidable manual Pg 138 79.9644 0.089 88
IV.FIN.SHZ. 2007-10-07T14:39:28.65 0.1 undecidable manual Pg 108 82.7505 -0.022 87
GU.BHB.HHZ. 2007-10-07T14:39:27.44 0.1 undecidable manual Sg 5 43.4232 -1.144 65
GU.RSP.HHZ. 2007-10-07T14:39:27.55 0.1 undecidable manual Pg 3 78.0663 -0.397 82
GU.BHB.HHZ. 2007-10-07T14:39:22.49 0.1 undecidable manual Pg 5 43.4232 -0.136 93
GU.STV.HHZ. 2007-10-07T14:39:22.83 0.1 undecidable manual Sg 159 23.6541 -0.593 85
GU.STV.HHZ. 2007-10-07T14:39:19.86 0.1 undecidable manual Pg 159 23.6541 0.217 95
IV.DOI.HHZ. 2007-10-07T14:39:19.67 0.1 undecidable manual Sg 18 6.8931 -0.134 100
IV.DOI.HHZ. 2007-10-07T14:39:17.94 0.1 undecidable manual Pg 18 6.8931 0.386 93
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download