Earthquake with magnitude of M 2.3 on date 01-02-1985 and time 21:22:25 (Italy) in region 6 km NE Lusevera (UD)

A magnitude M 2.3 earthquake occured in region: 6 km NE Lusevera (UD), on

  • 01-02-1985 20:22:25 (UTC)
  • 01-02-1985 21:22:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.31, 13.29 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Lusevera UD 6 643 643
Resia UD 7 1033 1676
Taipana UD 8 636 2312
Resiutta UD 10 309 2621
Montenars UD 10 538 3159
Chiusaforte UD 11 672 3831
Venzone UD 12 2117 5948
Gemona del Friuli UD 12 10964 16912
Tarcento UD 12 9012 25924
Magnano in Riviera UD 13 2336 28260
Nimis UD 13 2740 31000
Moggio Udinese UD 13 1714 32714
Artegna UD 13 2885 35599
Bordano UD 14 754 36353
Attimis UD 14 1805 38158
Dogna UD 15 175 38333
Amaro UD 16 823 39156
Trasaghis UD 17 2227 41383
Treppo Grande UD 17 1708 43091
Buja UD 17 6563 49654
Osoppo UD 17 2936 52590
Cassacco UD 17 2938 55528
Tricesimo UD 18 7600 63128
Faedis UD 18 2945 66073
Reana del Rojale UD 19 4966 71039
Cavazzo Carnico UD 20 1052 72091
Colloredo di Monte Albano UD 20 2223 74314

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of Udine (99169 inhabitants)
63 Km NE of Pordenone (51229 inhabitants)
83 Km NW of Trieste (204420 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
Rev 1000 M 2.3 1985-02-01
20:22:25
46.31 13.29 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-01 20:22:25 ± 0.08
Latitude 46.31 ± 0.00
Longitude 13.29 ± 0.01
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 929

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 684.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00413
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

M:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:39:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.RCL.Z. 1985-02-01T20:22:43.50 10.0 undecidable manual SG 250 0.0041 1.48 0
--.ZOU.Z. 1985-02-01T20:22:37.80 10.0 undecidable manual SG 318 0.0029 0.26 0.7
--.RBL.Z. 1985-02-01T20:22:35.00 10.0 undecidable manual SG 56 0.002 0.48 0.1
--.RCL.Z. 1985-02-01T20:22:35.00 10.0 undecidable manual PG 250 0.0041 0.09 1.1
--.DRE.Z. 1985-02-01T20:22:35.80 10.0 undecidable manual SG 119 0.0025 -0.4 0.4
--.MPR.Z. 1985-02-01T20:22:34.10 10.0 undecidable manual SG 250 0.0019 -0.03 0.7
--.COL.Z. 1985-02-01T20:22:33.60 10.0 undecidable manual SG 160 0.0017 0.34 0.6
--.ZOU.Z. 1985-02-01T20:22:32.40 10.0 undecidable manual PG 318 0.0029 0.09 1.3
--.DRE.Z. 1985-02-01T20:22:31.30 10.0 undecidable manual PG 119 0.0025 -0.24 1
--.BOO.Z. 1985-02-01T20:22:31.00 10.0 undecidable manual SG 272 0.0011 -0.34 0.5
--.BUA.Z. 1985-02-01T20:22:31.80 10.0 undecidable manual SG 229 0.0013 -0.13 0.8
--.RBL.Z. 1985-02-01T20:22:30.50 10.0 undecidable manual PG 56 0.002 -0.07 1.6
--.BAD.Z. 1985-02-01T20:22:30.10 10.0 undecidable manual SG 201 0.0007 0.01 0.8
--.COL.Z. 1985-02-01T20:22:30.00 10.0 undecidable manual PG 160 0.0017 0.15 1.5
--.MPR.Z. 1985-02-01T20:22:30.20 10.0 undecidable manual PG 250 0.0019 -0.15 1
--.BUA.Z. 1985-02-01T20:22:29.00 10.0 undecidable manual PG 229 0.0013 -0.07 1.5
--.BOO.Z. 1985-02-01T20:22:28.70 10.0 negative manual PG 272 0.0011 -0.04 3.2
--.BAD.Z. 1985-02-01T20:22:28.20 10.0 undecidable manual PG 201 0.0007 0.19 1.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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