Earthquake with magnitude of ML 2.1 on date 26-04-2012 and time 04:06:32 (Italy) in region 3 km SW Pradleves (CN)

A magnitude ML 2.1 earthquake occured in region: 3 km SW Pradleves (CN), on

  • 26-04-2012 02:06:32 (UTC)
  • 26-04-2012 04:06:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4010, 7.2570 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
Pradleves CN 3 250 250
Castelmagno CN 4 66 316
Monterosso Grana CN 6 505 821
Cartignano CN 9 190 1011
San Damiano Macra CN 10 430 1441
Valgrana CN 10 786 2227
Demonte CN 10 2003 4230
Aisone CN 10 248 4478
Montemale di Cuneo CN 10 241 4719
Roccabruna CN 11 1585 6304
Celle di Macra CN 11 100 6404
Dronero CN 11 7035 13439
Valloriate CN 12 109 13548
Vinadio CN 12 644 14192
Macra CN 13 59 14251
Rittana CN 13 109 14360
Villar San Costanzo CN 14 1547 15907
Moiola CN 14 234 16141
Caraglio CN 14 6836 22977
Gaiola CN 14 582 23559
Bernezzo CN 14 4104 27663
Marmora CN 14 68 27731
Canosio CN 15 80 27811
Stroppo CN 16 103 27914
Sambuco CN 16 92 28006
Roccasparvera CN 16 741 28747
Cervasca CN 17 5013 33760
Vignolo CN 18 2600 36360
Valdieri CN 18 935 37295
Valmala CN 18 52 37347
Prazzo CN 18 170 37517
Melle CN 19 292 37809
Pietraporzio CN 19 77 37886
Frassino CN 19 265 38151

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Cuneo (56081 inhabitants)
75 Km SW of Moncalieri (57294 inhabitants)
77 Km NW of Sanremo (54807 inhabitants)
82 Km SW of Torino (890529 inhabitants)
93 Km SW of Asti (76202 inhabitants)
98 Km W of Savona (61345 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
ML 2.1 2012-04-26
02:06:32
44.401 7.257 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1363599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-04-26 02:06:32 ± 0.34
Latitude 44.4010 ± 0.0072
Longitude 7.2570 ± 0.0176
Depth (km) 5 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1363599

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1462
Semi-minor axis of confidence ellipse (meter) 618
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 1612.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20954
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1363599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 03:15:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTCC.HHN. 2012-04-26T02:06:56.56 10.0 undecidable manual Pg 0 0 0
GU.ENR.HHE. 2012-04-26T02:06:40.60 0.3 undecidable manual Sg 146 23.2545 -0.382 69
GU.STV.HHZ. 2012-04-26T02:06:39.41 0.3 undecidable manual Sg 162 18.0708 0.171 73
GU.PZZ.HHZ. 2012-04-26T02:06:38.43 0.3 undecidable manual Sg 317 16.1727 -0.188 73
IV.DOI.HHZ. 2012-04-26T02:06:37.14 0.3 undecidable manual Sg 356 11.4774 0.037 76
GU.ENR.HHE. 2012-04-26T02:06:37.36 0.1 undecidable manual Pg 146 23.2545 -0.118 97
GU.STV.HHZ. 2012-04-26T02:06:36.75 0.1 undecidable manual Pg 162 18.0708 0.279 95
GU.PZZ.HHZ. 2012-04-26T02:06:36.07 0.1 undecidable manual Pg 317 16.1727 -0.043 100
IV.DOI.HHZ. 2012-04-26T02:06:35.38 0.1 undecidable manual Pg 356 11.4774 0.142 99
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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