Earthquake with magnitude of ML 0.2 on date 17-04-2007 and time 11:37:26 (Italy) in region 3 km N Aisone (CN)

A magnitude ML 0.2 earthquake occured in region: 3 km N Aisone (CN), on

  • 17-04-2007 09:37:26 (UTC)
  • 17-04-2007 11:37:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3450, 7.2170 at 5 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
Aisone CN 3 248 248
Vinadio CN 5 644 892
Demonte CN 7 2003 2895
Castelmagno CN 7 66 2961
Pradleves CN 10 250 3211
Sambuco CN 11 92 3303
Monterosso Grana CN 11 505 3808
Valloriate CN 13 109 3917
Moiola CN 14 234 4151
Pietraporzio CN 15 77 4228
Rittana CN 15 109 4337
Valgrana CN 15 786 5123
Gaiola CN 15 582 5705
Celle di Macra CN 16 100 5805
Cartignano CN 16 190 5995
Marmora CN 16 68 6063
Valdieri CN 16 935 6998
Montemale di Cuneo CN 16 241 7239
San Damiano Macra CN 16 430 7669
Canosio CN 16 80 7749
Macra CN 18 59 7808
Roccabruna CN 18 1585 9393
Roccasparvera CN 18 741 10134
Dronero CN 18 7035 17169
Bernezzo CN 18 4104 21273
Entracque CN 19 774 22047
Caraglio CN 19 6836 28883
Stroppo CN 19 103 28986

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Cuneo (56081 inhabitants)
74 Km NW of Sanremo (54807 inhabitants)
82 Km SW of Moncalieri (57294 inhabitants)
89 Km SW of Torino (890529 inhabitants)
100 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 1.8
ML 0.2
2007-04-17
09:37:26
44.345 7.217 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 624779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-04-17 09:37:26 ± 0.19
Latitude 44.3450 ± 0.0081
Longitude 7.2170 ± 0.0239
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 624779

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2053
Semi-minor axis of confidence ellipse (meter) 526
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) 2102.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 194
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.12591
Epicentral distance of station farthest from the epicenter (degree) 0.17717
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 624779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:54:08

Md:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations
Type of magnitude Md
Reference to an origin 624779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:54:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.DOI.SHZ. 2007-04-17T09:37:33.30 0.1 undecidable manual Sg 8 17.871 0.207 97
GU.PZZ.SHZ. 2007-04-17T09:37:33.56 0.3 undecidable manual Sg 336 19.6692 -0.154 73
GU.STV.HHE. 2007-04-17T09:37:31.76 0.3 undecidable manual Sg 142 13.9749 -0.051 76
GU.PZZ.SHZ. 2007-04-17T09:37:30.96 0.1 undecidable manual Pg 336 19.6692 0.229 96
GU.STV.HHE. 2007-04-17T09:37:29.72 0.1 undecidable manual Pg 142 13.9749 0.084 100
IV.DOI.SHZ. 2007-04-17T09:37:29.99 0.1 undecidable manual Pg 8 17.871 -0.386 93
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