Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 25-02-2011 and time 08:16:39 (UTC) in region 3 km NW Cogollo del Cengio (VI)

A magnitude ML 1.6 earthquake occured in region: 3 km NW Cogollo del Cengio (VI), on

  • 25-02-2011 08:16:39 (UTC)
  • 25-02-2011 09:16:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.8090, 11.3970 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cogollo del Cengio VI 3 3254 3254
Velo d'Astico VI 3 2403 5657
Arsiero VI 4 3192 8849
Piovene Rocchette VI 6 8346 17195
Rotzo VI 6 666 17861
Caltrano VI 7 2552 20413
Tonezza del Cimone VI 7 521 20934
Chiuppano VI 7 2598 23532
Santorso VI 8 5769 29301
Carrè VI 8 3667 32968
Valdastico VI 9 1297 34265
Roana VI 9 4321 38586
Laghi VI 10 133 38719
Calvene VI 10 1314 40033
Posina VI 11 566 40599
Zanè VI 11 6653 47252
Schio VI 11 39355 86607
Asiago VI 12 6426 93033
Lugo di Vicenza VI 12 3691 96724
Torrebelvicino VI 12 5917 102641
Zugliano VI 13 6835 109476
Valli del Pasubio VI 13 3242 112718
Thiene VI 13 24363 137081
Marano Vicentino VI 13 9515 146596
Pedemonte VI 13 774 147370
Luserna TN 14 276 147646
Fara Vicentino VI 14 3852 151498
San Vito di Leguzzano VI 14 3608 155106
Lusiana VI 14 2660 157766
Salcedo VI 14 1028 158794
Sarcedo VI 15 5271 164065
Gallio VI 15 2396 166461
Lastebasse VI 16 208 166669
Conco VI 16 2158 168827
Malo VI 17 14951 183778
Monte di Malo VI 17 2885 186663
Breganze VI 17 8677 195340
Recoaro Terme VI 18 6453 201793
Lavarone TN 18 1138 202931
Villaverla VI 19 6127 209058
Molvena VI 19 2576 211634
Mason Vicentino VI 19 3503 215137
Pianezze VI 19 2144 217281
Valdagno VI 20 26234 243515

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Vicenza (112953 inhabitants)
36 Km SE of Trento (117317 inhabitants)
52 Km NE of Verona (258765 inhabitants)
58 Km NW of Padova (210401 inhabitants)
68 Km W of Treviso (83731 inhabitants)
77 Km S of Bolzano (106441 inhabitants)
84 Km W of Venezia (263352 inhabitants)
88 Km NW of Rovigo (51867 inhabitants)
96 Km E of Brescia (196480 inhabitants)
99 Km W of Pordenone (51229 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
ML 1.6 		2011-02-25
08:16:39		 45.809 11.397 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1176129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-02-25 08:16:39 ± 0.16
Latitude 45.8090 ± 0.0117
Longitude 11.3970 ± 0.0129
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1176129

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1474
Semi-minor axis of confidence ellipse (meter) 842
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 333
Circular confidence region, given by single value of horizontal uncertainty (meter) 1640.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
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) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67899
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1176129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:56:31

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1176129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:56:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APPI.EHN. 2011-02-25T08:17:01.77 0.3 undecidable manual Sg 350 75.369 -0.342 67
IV.MAGA.HHE. 2011-02-25T08:16:57.75 0.6 undecidable manual Sg 267 59.496 -0.13 48
IV.NOVE.EHZ. 2011-02-25T08:16:56.08 10.0 undecidable manual Pg 0 0 0
IV.APPI.EHN. 2011-02-25T08:16:52.88 0.3 undecidable manual Pg 350 75.369 0.416 66
NI.CGRP.HHE. 2011-02-25T08:16:50.21 0.3 undecidable manual Sg 76 32.5452 -0.451 71
IV.MAGA.HHE. 2011-02-25T08:16:50.21 0.3 undecidable manual Pg 267 59.496 0.189 72
IV.ROVR.HHN. 2011-02-25T08:16:49.80 0.3 undecidable manual Sg 234 30.9468 -0.444 72
NI.CGRP.HHE. 2011-02-25T08:16:46.15 0.1 undecidable manual Pg 76 32.5452 0.296 98
IV.ROVR.HHN. 2011-02-25T08:16:45.84 0.1 undecidable manual Pg 234 30.9468 0.226 100
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