Earthquake with magnitude of ML 2.0 on date 12-11-2011 and time 23:14:31 (UTC) in region 2 km W Roaschia (CN)

A magnitude ML 2.0 earthquake occured in region: 2 km W Roaschia (CN), on

  • 12-11-2011 23:14:31 (UTC)
  • 13-11-2011 00:14:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2760, 7.4390 at 9 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
Roaschia CN 2 107 107
Valdieri CN 3 935 1042
Entracque CN 5 774 1816
Roccavione CN 6 2761 4577
Robilante CN 6 2306 6883
Moiola CN 6 234 7117
Gaiola CN 7 582 7699
Borgo San Dalmazzo CN 7 12468 20167
Roccasparvera CN 7 741 20908
Vernante CN 8 1178 22086
Valloriate CN 9 109 22195
Rittana CN 9 109 22304
Vignolo CN 10 2600 24904
Boves CN 11 9835 34739
Demonte CN 12 2003 36742
Cervasca CN 12 5013 41755
Bernezzo CN 13 4104 45859
Limone Piemonte CN 14 1485 47344
Peveragno CN 16 5543 52887
Valgrana CN 16 786 53673
Caraglio CN 16 6836 60509
Cuneo CN 16 56081 116590
Monterosso Grana CN 17 505 117095
Aisone CN 18 248 117343
Montemale di Cuneo CN 19 241 117584
Beinette CN 19 3423 121007
Chiusa di Pesio CN 20 3676 124683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SW of Cuneo (56081 inhabitants)
58 Km NW of Sanremo (54807 inhabitants)
83 Km S of Moncalieri (57294 inhabitants)
83 Km W of Savona (61345 inhabitants)
91 Km S of Torino (890529 inhabitants)
92 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 2.2
ML 2.0
2011-11-12
23:14:31
44.276 7.439 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1307819
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-11-12 23:14:31 ± 0.1
Latitude 44.2760 ± 0.0063
Longitude 7.4390 ± 0.0138
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1307819

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1168
Semi-minor axis of confidence ellipse (meter) 530
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 1303.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.83277
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1307819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:57:24

Md:2.2

Field Value
Value 2.2
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 1307819
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:57:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHE. 2011-11-12T23:14:59.62 0.6 undecidable manual Sg 71 92.4408 0.154 42
IV.QLNO.HHN. 2011-11-12T23:14:53.87 0.3 undecidable manual Sg 85 72.1722 -0.187 66
GU.FINB.HHZ. 2011-11-12T23:14:52.99 0.6 undecidable manual Sg 99 71.2731 -0.821 36
GU.BHB.HHE. 2011-11-12T23:14:51.15 0.3 undecidable manual Sg 347 63.5919 -0.606 56
IV.MONC.HHZ. 2011-11-12T23:14:50.01 10.0 undecidable manual Pg 0 0 0
IV.IMI.HHZ. 2011-11-12T23:14:49.17 0.3 undecidable manual Sg 138 54.3012 -0.12 67
GU.PCP.HHE. 2011-11-12T23:14:48.69 0.3 undecidable manual Pg 71 92.4408 0.914 48
GU.RORO.HHE. 2011-11-12T23:14:48.87 0.6 undecidable manual Sg 110 53.1024 -0.087 46
GU.NEGI.HHZ. 2011-11-12T23:14:48.65 0.3 undecidable manual Sg 156 52.1034 -0.049 67
GU.PZZ.HHN. 2011-11-12T23:14:45.10 0.6 undecidable manual Sg 315 36.2415 0.645 45
IV.QLNO.HHN. 2011-11-12T23:14:44.94 0.6 undecidable manual Pg 85 72.1722 0.287 42
GU.FINB.HHZ. 2011-11-12T23:14:44.68 0.3 undecidable manual Pg 99 71.2731 0.168 65
GU.BHB.HHE. 2011-11-12T23:14:43.41 0.3 undecidable manual Pg 347 63.5919 0.083 69
IV.DOI.HHZ. 2011-11-12T23:14:42.01 0.3 undecidable manual Sg 329 29.5482 -0.487 68
GU.NEGI.HHZ. 2011-11-12T23:14:41.78 0.3 undecidable manual Pg 156 52.1034 0.223 69
IV.IMI.HHZ. 2011-11-12T23:14:41.96 0.3 undecidable manual Pg 138 54.3012 0.06 70
GU.RORO.HHE. 2011-11-12T23:14:41.64 0.3 undecidable manual Pg 110 53.1024 -0.065 70
GU.PZZ.HHN. 2011-11-12T23:14:39.84 0.3 undecidable manual Pg 315 36.2415 0.734 63
IV.DOI.HHZ. 2011-11-12T23:14:37.87 0.3 undecidable manual Pg 329 29.5482 -0.11 73
GU.STV.HHE. 2011-11-12T23:14:36.09 0.3 undecidable manual Sg 249 9.5793 -0.213 72
GU.STV.HHE. 2011-11-12T23:14:34.62 0.1 undecidable manual Pg 249 9.5793 0.213 97
GU.ENR.HHN. 2011-11-12T23:14:34.84 0.6 undecidable manual Sg 195 5.6943 -0.569 47
GU.ENR.HHN. 2011-11-12T23:14:33.85 0.1 undecidable manual Pg 195 5.6943 -0.036 100
BA.PZUN.HHE. 2011-11-12T23:14:32.50 10.0 undecidable manual Pg 0 0 0
IV.VARE.HHN. 2011-11-12T23:14:19.48 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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