Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 29-05-2011 and time 06:28:48 (UTC) in region 1 km SW Valvasone Arzene (PN)

A magnitude ML 1.5 earthquake occured in region: 1 km SW Valvasone Arzene (PN), on

  • 29-05-2011 06:28:48 (UTC)
  • 29-05-2011 08:28:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.9900, 12.8550 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.

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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
Valvasone Arzene PN 1 3988 3988
San Martino al Tagliamento PN 4 1468 5456
Casarsa della Delizia PN 4 8540 13996
San Giorgio della Richinvelda PN 6 4650 18646
Zoppola PN 7 8572 27218
San Vito al Tagliamento PN 8 15078 42296
Sedegliano UD 10 3868 46164
Camino al Tagliamento UD 10 1626 47790
Codroipo UD 10 16148 63938
Vivaro PN 11 1352 65290
Cordenons PN 11 18301 83591
Fiume Veneto PN 11 11697 95288
Flaibano UD 13 1156 96444
Dignano UD 13 2317 98761
Spilimbergo PN 14 12124 110885
San Quirino PN 14 4383 115268
Varmo UD 15 2804 118072
Pordenone PN 16 51229 169301
Cordovado PN 16 2780 172081
Morsano al Tagliamento PN 16 2830 174911
Sesto al Reghena PN 16 6356 181267
Chions PN 16 5190 186457
Azzano Decimo PN 16 15775 202232
Bertiolo UD 16 2473 204705
Mereto di Tomba UD 17 2648 207353
Coseano UD 18 2187 209540
Gruaro VE 18 2811 212351
Arba PN 18 1309 213660
Roveredo in Piano PN 18 5967 219627
Porcia PN 19 15293 234920
Cinto Caomaggiore VE 19 3243 238163
San Vito di Fagagna UD 19 1671 239834
Rivignano Teor UD 19 6349 246183
Teglio Veneto VE 19 2285 248468
Basiliano UD 20 5356 253824
Sequals PN 20 2200 256024

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Pordenone (51229 inhabitants)
31 Km W of Udine (99169 inhabitants)
59 Km NE of Treviso (83731 inhabitants)
74 Km NE of Venezia (263352 inhabitants)
80 Km W of Trieste (204420 inhabitants)
100 Km NE of Padova (210401 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 2.3
ML 1.5 		2011-05-29
06:28:48		 45.99 12.855 5 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1223669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-05-29 06:28:48 ± 0.24
Latitude 45.9900 ± 0.0108
Longitude 12.8550 ± 0.0104
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1223669

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1212
Semi-minor axis of confidence ellipse (meter) 602
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) 1442.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.28873
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1223669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:00:52

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1223669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:00:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ERBM.EHN. 2011-05-29T06:29:48.00 10.0 undecidable manual Sg 0 0 0
IV.NL9.EHZ. 2011-05-29T06:29:34.95 10.0 undecidable manual Pg 0 0 0
IV.SSFR.HHE. 2011-05-29T06:29:31.65 10.0 undecidable manual Sg 0 0 0
IV.ROVR.HHN. 2011-05-29T06:29:30.43 0.3 undecidable manual Sg 255 143.0457 0.133 80
IV.APPI.EHZ. 2011-05-29T06:29:30.77 10.0 undecidable manual Sg 0 0 0
CH.FUORN.HHE. 2011-05-29T06:29:29.42 10.0 undecidable manual Pg 0 0 0
IV.ERBM.EHN. 2011-05-29T06:29:24.87 10.0 undecidable manual Pg 0 0 0
IV.SSFR.HHE. 2011-05-29T06:29:18.15 10.0 undecidable manual Pg 0 0 0
NI.CGRP.HHE. 2011-05-29T06:29:14.88 10.0 undecidable manual Pg 0 0 0
NI.ACOM.HHE. 2011-05-29T06:29:13.42 0.3 undecidable manual Sg 39 79.8645 -0.008 94
IV.APPI.EHZ. 2011-05-29T06:29:12.94 10.0 undecidable manual Pg 0 0 0
IV.ROVR.HHN. 2011-05-29T06:29:12.60 0.3 undecidable manual Pg 255 143.0457 0.076 81
IV.FIU.EHN. 2011-05-29T06:29:08.00 10.0 undecidable manual Pg 0 0 0
NI.SABO.HHE. 2011-05-29T06:29:08.58 0.3 undecidable manual Sg 90 59.9955 0.456 89
IV.PTCC.HHN. 2011-05-29T06:29:07.71 0.3 undecidable manual Sg 39 60.0954 -0.435 89
NI.VINO.HHZ. 2011-05-29T06:29:03.71 0.3 undecidable manual Sg 48 43.5231 0.263 95
NI.ACOM.HHE. 2011-05-29T06:29:03.33 0.3 undecidable manual Pg 39 79.8645 0.546 83
IV.STAL.HHZ. 2011-05-29T06:28:59.76 0.3 undecidable manual Sg 340 31.9458 0.314 96
NI.SABO.HHE. 2011-05-29T06:28:59.85 0.3 undecidable manual Pg 90 59.9955 0.127 95
NI.POLC.HHZ. 2011-05-29T06:28:58.23 0.3 undecidable manual Sg 278 27.6501 0.256 98
IV.PTCC.HHN. 2011-05-29T06:28:58.85 0.3 undecidable manual Pg 39 60.0954 -0.885 75
NI.PALA.HHZ. 2011-05-29T06:28:58.62 0.3 undecidable manual Sg 11 28.749 0.27 98
NI.VINO.HHZ. 2011-05-29T06:28:56.52 0.3 undecidable manual Pg 48 43.5231 -0.503 90
IV.STAL.HHZ. 2011-05-29T06:28:54.10 0.3 undecidable manual Pg 340 31.9458 -0.612 88
NI.PALA.HHZ. 2011-05-29T06:28:54.23 0.3 undecidable manual Pg 11 28.749 0.152 100
NI.POLC.HHZ. 2011-05-29T06:28:53.53 0.3 undecidable manual Pg 278 27.6501 -0.333 97
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