Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 26-12-2011 and time 18:56:16 (UTC) in region 2 km NW Tonezza del Cimone (VI)

A magnitude ML 1.5 earthquake occured in region: 2 km NW Tonezza del Cimone (VI), on

  • 26-12-2011 18:56:16 (UTC)
  • 26-12-2011 19:56:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.8720, 11.3290 at 11 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
Tonezza del Cimone VI 2 521 521
Valdastico VI 3 1297 1818
Pedemonte VI 5 774 2592
Luserna TN 6 276 2868
Rotzo VI 6 666 3534
Lastebasse VI 7 208 3742
Laghi VI 7 133 3875
Arsiero VI 8 3192 7067
Lavarone TN 9 1138 8205
Velo d'Astico VI 10 2403 10608
Posina VI 10 566 11174
Roana VI 12 4321 15495
Cogollo del Cengio VI 12 3254 18749
Folgaria TN 13 3191 21940
Terragnolo TN 14 716 22656
Asiago VI 14 6426 29082
Caldonazzo TN 14 3631 32713
Piovene Rocchette VI 15 8346 41059
Caltrano VI 15 2552 43611
Valli del Pasubio VI 15 3242 46853
Santorso VI 16 5769 52622
Levico Terme TN 16 7915 60537
Chiuppano VI 16 2598 63135
Calceranica al Lago TN 16 1387 64522
Tenna TN 17 993 65515
Carrè VI 17 3667 69182
Novaledo TN 17 1076 70258
Gallio VI 17 2396 72654
Torrebelvicino VI 17 5917 78571
Schio VI 18 39355 117926
Altopiano della Vigolana TN 18 4942 122868
Calvene VI 19 1314 124182
Vallarsa TN 19 1395 125577
Besenello TN 19 2654 128231
Calliano TN 19 1807 130038
Zanè VI 19 6653 136691
Vignola-Falesina TN 20 162 136853
Trambileno TN 20 1452 138305
Lugo di Vicenza VI 20 3691 141996

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SE of Trento (117317 inhabitants)
40 Km NW of Vicenza (112953 inhabitants)
55 Km NE of Verona (258765 inhabitants)
67 Km NW of Padova (210401 inhabitants)
70 Km S of Bolzano (106441 inhabitants)
75 Km W of Treviso (83731 inhabitants)
92 Km NW of Venezia (263352 inhabitants)
94 Km E of Brescia (196480 inhabitants)
96 Km NW of Rovigo (51867 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 1.9
ML 1.5 		2011-12-26
18:56:16		 45.872 11.329 11 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1326279
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-12-26 18:56:16 ± 0.12
Latitude 45.8720 ± 0.0189
Longitude 11.3290 ± 0.0103
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1326279

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2143
Semi-minor axis of confidence ellipse (meter) 667
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 350
Circular confidence region, given by single value of horizontal uncertainty (meter) 2247.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.19340
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1326279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:23:02

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1326279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:23:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
.RISI.HHE. 2011-12-26T18:56:54.10 0.6 undecidable manual Sg 25 132.4674 0.232 39
.ROSI.HHE. 2011-12-26T18:56:49.09 0.6 undecidable manual Sg 3 117.3936 -0.745 36
.ABSI.HHE. 2011-12-26T18:56:43.45 0.6 undecidable manual Sg 360 95.0382 -0.431 42
.RISI.HHE. 2011-12-26T18:56:38.32 0.6 undecidable manual Pg 25 132.4674 0.432 37
.ROSI.HHE. 2011-12-26T18:56:36.17 0.6 undecidable manual Pg 3 117.3936 0.611 36
IV.APPI.EHE. 2011-12-26T18:56:35.85 0.3 undecidable manual Sg 353 67.7766 -0.753 60
IV.MAGA.HHN. 2011-12-26T18:56:33.08 0.3 undecidable manual Sg 259 55.2003 -0.16 71
.ABSI.HHE. 2011-12-26T18:56:32.45 0.1 undecidable manual Pg 360 95.0382 0.331 83
IV.APPI.EHE. 2011-12-26T18:56:28.02 0.1 undecidable manual Pg 353 67.7766 0.104 91
NI.CGRP.HHN. 2011-12-26T18:56:28.11 0.1 undecidable manual Sg 88 36.741 -0.218 96
IV.ROVR.HHN. 2011-12-26T18:56:26.94 0.1 undecidable manual Sg 219 31.8459 -0.086 100
IV.MAGA.HHN. 2011-12-26T18:56:25.97 0.1 undecidable manual Pg 259 55.2003 -0.007 96
NI.CGRP.HHN. 2011-12-26T18:56:23.36 0.1 undecidable manual Pg 88 36.741 0.219 95
IV.ROVR.HHN. 2011-12-26T18:56:22.54 0.1 undecidable manual Pg 219 31.8459 0.152 97
IV.VMG.SHZ. 2011-12-26T18:56:15.19 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