Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 29-12-2011 and time 20:22:14 (Italy) in region 2 km E Tramonti di Sopra (PN)

A magnitude ML 2.3 earthquake occured in region: 2 km E Tramonti di Sopra (PN), on

  • 29-12-2011 19:22:14 (UTC)
  • 29-12-2011 20:22:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3070, 12.8140 at 6 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Tramonti di Sopra PN 2 321 321
Tramonti di Sotto PN 3 387 708
Meduno PN 10 1574 2282
Socchieve UD 11 908 3190
Preone UD 11 246 3436
Clauzetto PN 12 380 3816
Ampezzo UD 12 1006 4822
Frisanco PN 13 622 5444
Enemonzo UD 13 1319 6763
Cavasso Nuovo PN 13 1525 8288
Travesio PN 13 1776 10064
Castelnovo del Friuli PN 14 880 10944
Vito d'Asio PN 14 769 11713
Fanna PN 14 1583 13296
Forni di Sotto UD 15 600 13896
Villa Santina UD 15 2233 16129
Raveo UD 15 458 16587
Forgaria nel Friuli UD 15 1786 18373
Sequals PN 16 2200 20573
Lauco UD 16 729 21302
Verzegnis UD 17 863 22165
Maniago PN 17 11698 33863
Pinzano al Tagliamento PN 17 1525 35388
Arba PN 18 1309 36697
Cavazzo Carnico UD 19 1052 37749
Tolmezzo UD 19 10440 48189
Andreis PN 19 259 48448
Ragogna UD 19 2909 51357
Sauris UD 20 416 51773
Vajont PN 20 1719 53492

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NE of Pordenone (51229 inhabitants)
42 Km NW of Udine (99169 inhabitants)
84 Km NE of Treviso (83731 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 2.5
ML 2.3 		2011-12-29
19:22:14		 46.307 12.814 6 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1327329
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-12-29 19:22:14 ± 0.1
Latitude 46.3070 ± 0.0072
Longitude 12.8140 ± 0.0065
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1327329

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 586
Semi-minor axis of confidence ellipse (meter) 525
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 169
Circular confidence region, given by single value of horizontal uncertainty (meter) 943.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.57
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.58910
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1327329
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:24:29

Md:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1327329
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:24:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAGA.HHE. 2011-12-29T19:23:07.19 10.0 undecidable manual Sg 0 0 0
IV.AOI.HHZ. 2011-12-29T19:22:48.56 10.0 undecidable manual Pg 0 0 0
IV.MAGA.HHE. 2011-12-29T19:22:47.43 10.0 undecidable manual Pg 0 0 0
IV.FIR.HHN. 2011-12-29T19:22:47.38 10.0 undecidable manual Pg 0 0 0
SI.MOSI.HHN. 2011-12-29T19:22:43.89 0.3 undecidable manual Pg 282 176.3901 0.347 48
SI.RISI.HHN. 2011-12-29T19:22:41.59 0.1 undecidable manual Sg 322 90.4428 -0.401 81
OE.WTTA.HHE. 2011-12-29T19:22:39.49 10.0 undecidable manual Pg 0 0 0
IV.TEOL.HHN. 2011-12-29T19:22:38.16 0.3 undecidable manual Pg 220 136.9629 0.682 50
SI.ROSI.HHE. 2011-12-29T19:22:36.81 0.3 undecidable manual Pg 303 127.0728 0.865 48
IV.APPI.EHZ. 2011-12-29T19:22:35.83 0.6 undecidable manual Pg 279 122.7882 0.542 37
SI.ABSI.HHZ. 2011-12-29T19:22:35.95 0.3 undecidable manual Pg 293 123.1878 0.607 53
NI.ACOM.HHZ. 2011-12-29T19:22:34.52 0.1 undecidable manual Sg 63 59.7957 0.713 77
SI.KOSI.HHN. 2011-12-29T19:22:33.62 0.6 undecidable manual Pg 279 111.1998 0.114 41
NI.AGOR.HHZ. 2011-12-29T19:22:33.29 0.1 undecidable manual Sg 262 59.3961 -0.399 86
MN.TRI.BHN. 2011-12-29T19:22:32.87 0.6 undecidable manual Pg 132 98.8233 1.274 28
SI.RISI.HHN. 2011-12-29T19:22:30.63 0.1 undecidable manual Pg 322 90.4428 0.327 82
NI.CGRP.HHN. 2011-12-29T19:22:29.76 0.6 undecidable manual Pg 239 90.9423 -0.616 38
IV.PTCC.HHE. 2011-12-29T19:22:28.28 0.1 undecidable manual Sg 75 42.8238 -0.996 70
NI.POLC.HHZ. 2011-12-29T19:22:28.08 0.1 undecidable manual Sg 218 39.3273 -0.091 95
NI.SABO.HHE. 2011-12-29T19:22:27.07 0.3 undecidable manual Pg 119 72.2721 -0.437 62
NI.VINO.HHZ. 2011-12-29T19:22:27.11 0.1 undecidable manual Sg 99 35.9418 0.124 95
NI.AGOR.HHZ. 2011-12-29T19:22:25.86 0.1 undecidable manual Pg 262 59.3961 0.35 87
IV.FVI.HHZ. 2011-12-29T19:22:25.71 0.1 undecidable manual Sg 355 32.1456 -0.007 98
NI.ACOM.HHZ. 2011-12-29T19:22:25.58 0.1 undecidable manual Pg 63 59.7957 -0.001 93
RF.GEPF.HHN. 2011-12-29T19:22:23.80 0.1 undecidable manual Sg 98 25.1526 0.457 90
IV.PTCC.HHE. 2011-12-29T19:22:22.18 0.1 undecidable manual Pg 75 42.8238 -0.783 77
NI.VINO.HHZ. 2011-12-29T19:22:21.32 0.1 undecidable manual Pg 99 35.9418 -0.319 91
NI.POLC.HHZ. 2011-12-29T19:22:21.88 0.1 undecidable manual Pg 218 39.3273 -0.44 88
IV.FVI.HHZ. 2011-12-29T19:22:20.53 0.1 undecidable manual Pg 355 32.1456 -0.376 91
RF.GEPF.HHN. 2011-12-29T19:22:19.62 0.1 undecidable manual Pg 98 25.1526 0.083 98
IV.STAL.HHZ. 2011-12-29T19:22:18.15 0.1 undecidable manual Sg 237 9.4794 -0.149 99
IV.T0711.EHN. 2011-12-29T19:22:18.87 10.0 undecidable manual Pg 0 0 0
IV.STAL.HHZ. 2011-12-29T19:22:16.73 0.1 undecidable manual Pg 237 9.4794 0.103 100
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
Waveforms Seismic signals in miniseed + resp format Download