Earthquake with magnitude of Md 2.0 on date 30-09-2009 and time 09:59:30 (UTC) in region 1 km W Roccavione (CN)

A magnitude Md 2.0 earthquake occured in region: 1 km W Roccavione (CN), on

  • 30-09-2009 09:59:30 (UTC)
  • 30-09-2009 11:59:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3100, 7.4690 at 20 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
Roccavione CN 1 2761 2761
Borgo San Dalmazzo CN 3 12468 15229
Robilante CN 4 2306 17535
Roccasparvera CN 4 741 18276
Roaschia CN 4 107 18383
Vignolo CN 6 2600 20983
Gaiola CN 6 582 21565
Moiola CN 6 234 21799
Valdieri CN 7 935 22734
Boves CN 7 9835 32569
Rittana CN 7 109 32678
Valloriate CN 8 109 32787
Cervasca CN 8 5013 37800
Vernante CN 9 1178 38978
Bernezzo CN 9 4104 43082
Entracque CN 9 774 43856
Cuneo CN 12 56081 99937
Peveragno CN 12 5543 105480
Caraglio CN 13 6836 112316
Valgrana CN 13 786 113102
Demonte CN 14 2003 115105
Limone Piemonte CN 15 1485 116590
Beinette CN 16 3423 120013
Monterosso Grana CN 16 505 120518
Montemale di Cuneo CN 16 241 120759
Chiusa di Pesio CN 17 3676 124435
Pradleves CN 19 250 124685
Dronero CN 19 7035 131720
Aisone CN 20 248 131968

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SW of Cuneo (56081 inhabitants)
60 Km NW of Sanremo (54807 inhabitants)
79 Km S of Moncalieri (57294 inhabitants)
81 Km W of Savona (61345 inhabitants)
87 Km S of Torino (890529 inhabitants)
88 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 2.0 2009-09-30
09:59:30
44.31 7.469 20 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 970889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-09-30 09:59:30 ± 0.08
Latitude 44.3100 ± 0.0018
Longitude 7.4690 ± 0.0038
Depth (km) 20 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 970889

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 341
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 113
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 277
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31926
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 970889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:33:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NL9.EHZ. 2009-09-30T10:00:00.30 10.0 undecidable manual Pg 0 0 0
NI.CGRP.HHN. 2009-09-30T09:59:59.81 10.0 undecidable manual Pg 0 0 0
IV.APPI.EHZ. 2009-09-30T09:59:57.93 10.0 undecidable manual Sg 0 0 0
IV.NRCA.HHN. 2009-09-30T09:59:52.97 10.0 undecidable manual Sg 0 0 0
IV.NRCA.HHN. 2009-09-30T09:59:49.65 10.0 undecidable manual Pg 0 0 0
GU.RORO.HHN. 2009-09-30T09:59:46.41 10.0 undecidable manual Pg 0 0 0
IV.SGTA.HHN. 2009-09-30T09:59:43.20 10.0 undecidable manual Pg 0 0 0
GU.PZZ.HHE. 2009-09-30T09:59:42.91 0.1 undecidable manual Sg 308 35.4423 0.001 97
IV.DOI.HHZ. 2009-09-30T09:59:41.00 0.1 undecidable manual Sg 321 27.8499 -0.037 98
GU.STV.HHE. 2009-09-30T09:59:38.06 0.3 undecidable manual Sg 238 13.4754 0.041 75
IV.APPI.EHZ. 2009-09-30T09:59:37.36 10.0 undecidable manual Pg 0 0 0
GU.PZZ.HHE. 2009-09-30T09:59:37.67 0.1 undecidable manual Pg 308 35.4423 -0.008 97
IV.ORI.HHE. 2009-09-30T09:59:37.72 10.0 undecidable manual Pg 0 0 0
IV.DOI.HHZ. 2009-09-30T09:59:36.66 0.1 undecidable manual Pg 321 27.8499 0.062 97
GU.STV.HHE. 2009-09-30T09:59:34.80 0.1 undecidable manual Pg 238 13.4754 -0.055 100
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
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