Earthquake with magnitude of ML 0.8 on date 17-06-2009 and time 11:55:14 (Italy) in region 2 km E Roaschia (CN)

A magnitude ML 0.8 earthquake occured in region: 2 km E Roaschia (CN), on

  • 17-06-2009 09:55:14 (UTC)
  • 17-06-2009 11:55:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2780, 7.4810 at 1 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
Robilante CN 3 2306 2413
Roccavione CN 4 2761 5174
Vernante CN 6 1178 6352
Borgo San Dalmazzo CN 6 12468 18820
Valdieri CN 7 935 19755
Entracque CN 8 774 20529
Roccasparvera CN 8 741 21270
Boves CN 8 9835 31105
Moiola CN 9 234 31339
Gaiola CN 9 582 31921
Vignolo CN 9 2600 34521
Rittana CN 10 109 34630
Valloriate CN 11 109 34739
Limone Piemonte CN 11 1485 36224
Cervasca CN 12 5013 41237
Peveragno CN 12 5543 46780
Bernezzo CN 13 4104 50884
Cuneo CN 14 56081 106965
Demonte CN 15 2003 108968
Caraglio CN 16 6836 115804
Beinette CN 17 3423 119227
Chiusa di Pesio CN 17 3676 122903
Valgrana CN 17 786 123689
Monterosso Grana CN 19 505 124194
Montemale di Cuneo CN 20 241 124435

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SW of Cuneo (56081 inhabitants)
56 Km NW of Sanremo (54807 inhabitants)
80 Km W of Savona (61345 inhabitants)
82 Km S of Moncalieri (57294 inhabitants)
90 Km SW of Asti (76202 inhabitants)
90 Km S of Torino (890529 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 1.7
ML 0.8
2009-06-17
09:55:14
44.278 7.481 1 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 896949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-06-17 09:55:14 ± 0.51
Latitude 44.2780 ± 0.0099
Longitude 7.4810 ± 0.0264
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 896949

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2363
Semi-minor axis of confidence ellipse (meter) 1051
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 2370.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 290
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34714
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 896949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:03:20

Md:1.7

Field Value
Value 1.7
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 896949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:03:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2009-06-17T09:55:27.20 0.3 undecidable manual Sg 311 38.5281 -0.202 69
IV.DOI.HHZ. 2009-06-17T09:55:25.03 0.3 undecidable manual Sg 324 31.2465 0.146 71
GU.PZZ.HHZ. 2009-06-17T09:55:22.07 0.1 undecidable manual Pg 311 38.5281 0.318 90
IV.DOI.HHZ. 2009-06-17T09:55:20.06 0.1 undecidable manual Pg 324 31.2465 -0.241 93
GU.STV.HHE. 2009-06-17T09:55:18.52 0.1 undecidable manual Sg 254 12.7761 0.026 100
GU.STV.HHE. 2009-06-17T09:55:16.55 0.1 undecidable manual Pg 254 12.7761 -0.059 99
GU.FINB.HHE. 2009-06-17T09:55:14.88 10.0 undecidable manual Pg 0 0 0
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