Earthquake with magnitude of Md 2.8 on date 13-02-1985 and time 10:12:43 (UTC) in region 2 km E Cividale del Friuli (UD)

A magnitude Md 2.8 earthquake occured in region: 2 km E Cividale del Friuli (UD), on

  • 13-02-1985 10:12:43 (UTC)
  • 13-02-1985 11:12:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.09, 13.46 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cividale del Friuli UD 2 11292 11292
San Pietro al Natisone UD 5 2171 13463
Torreano UD 5 2139 15602
Prepotto UD 5 769 16371
Premariacco UD 6 4163 20534
Moimacco UD 6 1675 22209
San Leonardo UD 6 1129 23338
Dolegna del Collio GO 7 370 23708
Pulfero UD 10 962 24670
Savogna UD 10 411 25081
Remanzacco UD 10 6185 31266
Corno di Rosazzo UD 10 3219 34485
Stregna UD 10 356 34841
Faedis UD 11 2945 37786
Manzano UD 12 6455 44241
Povoletto UD 13 5471 49712
San Giovanni al Natisone UD 13 6197 55909
Buttrio UD 13 4074 59983
Grimacco UD 13 342 60325
Pradamano UD 14 3574 63899
Cormons GO 14 7414 71313
San Floriano del Collio GO 16 796 72109
Drenchia UD 16 115 72224
Attimis UD 16 1805 74029
Capriva del Friuli GO 17 1713 75742
Udine UD 17 99169 174911
Reana del Rojale UD 18 4966 179877
Moraro GO 18 768 180645
San Lorenzo Isontino GO 18 1564 182209
Mossa GO 18 1584 183793
Pavia di Udine UD 18 5603 189396
Trivignano Udinese UD 18 1620 191016
Tavagnacco UD 19 14910 205926
Chiopris-Viscone UD 19 648 206574
Nimis UD 19 2740 209314
Mariano del Friuli GO 19 1530 210844
Medea GO 19 953 211797

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Udine (99169 inhabitants)
55 Km NW of Trieste (204420 inhabitants)
63 Km E 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
Rev 1000 Md 2.8 1985-02-13
10:12:43
46.09 13.46 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 1619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-13 10:12:43 ± 0.261
Latitude 46.09 ± 0.02
Longitude 13.46 ± 0.01
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1619

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) 2153.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.01757
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitude information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 1619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PAN.Z. 1985-02-13T10:13:32.60 10.0 undecidable manual SN? 269 0.0134 2.79 0
--.CTI.Z. 1985-02-13T10:13:25.50 10.0 undecidable manual SN 268 0.0113 1.32 0.1
--.RNI.Z. 1985-02-13T10:13:19.40 10.0 undecidable manual PN? 267 0.0176 2.63 0
--.BAL.Z. 1985-02-13T10:13:16.00 10.0 undecidable manual PN 261 0.0164 0.94 0.4
--.DDS.Z. 1985-02-13T10:13:12.10 10.0 undecidable manual PN 263 0.0142 0.34 0.8
--.PAN.Z. 1985-02-13T10:13:11.30 10.0 undecidable manual PN 269 0.0134 0.89 0.5
--.CEY.N. 1985-02-13T10:13:10.20 10.0 undecidable manual SG 117 0.0068 -0.01 0.6
--.LJU.N. 1985-02-13T10:13:09.80 10.0 undecidable manual SG 93 0.0066 0.13 0.6
--.FO1.Z. 1985-02-13T10:13:08.00 10.0 undecidable manual SG 317 0.0062 0.17 0.6
--.CTI.Z. 1985-02-13T10:13:08.00 10.0 undecidable manual PN 268 0.0113 0.85 0.6
--.CAE.Z. 1985-02-13T10:13:08.20 10.0 undecidable manual SG 263 0.0064 -0.48 0.5
--.ZOU.Z. 1985-02-13T10:13:04.10 10.0 undecidable manual SG 324 0.0051 -0.11 0.9
--.CEY.Z. 1985-02-13T10:13:01.70 10.0 undecidable manual PG? 117 0.0068 2.61 0
--.LJU.Z. 1985-02-13T10:12:58.00 10.0 undecidable manual PG 93 0.0066 -0.78 0.9
--.RBL.Z. 1985-02-13T10:12:57.00 10.0 undecidable manual SG 12 0.0032 -0.32 0.6
--.CAE.Z. 1985-02-13T10:12:57.00 10.0 undecidable manual PG 263 0.0064 -1.2 0.4
--.FO1.Z. 1985-02-13T10:12:57.50 10.0 undecidable manual PG 317 0.0062 -0.21 1.5
--.MPR.Z. 1985-02-13T10:12:57.60 10.0 undecidable manual SG 295 0.0032 0.3 0.6
--.TRI.Z. 1985-02-13T10:12:57.80 10.0 undecidable manual SG 150 0.0039 -2.03 0
--.VOY.Z. 1985-02-13T10:12:55.40 10.0 undecidable manual SG 100 0.0028 -0.3 0.9
--.BOO.Z. 1985-02-13T10:12:55.90 10.0 undecidable manual SG 312 0.003 -0.73 0.6
--.RCL.Z. 1985-02-13T10:12:55.80 10.0 undecidable manual PG 277 0.005 0.41 1.4
--.ZOU.Z. 1985-02-13T10:12:54.70 10.0 undecidable manual PG 324 0.0051 -0.92 0.8
--.BUA.Z. 1985-02-13T10:12:54.50 10.0 undecidable manual SG 299 0.0023 0.21 0.6
--.RBL.Z. 1985-02-13T10:12:52.00 10.0 undecidable manual PG 12 0.0032 0.36 1.4
--.BAD.Z. 1985-02-13T10:12:52.20 10.0 undecidable manual SG 314 0.0019 -0.29 0.9
--.POB.Z. 1985-02-13T10:12:52.50 10.0 undecidable manual PG 343 0.004 -0.66 1.1
--.TRI.Z. 1985-02-13T10:12:51.50 10.0 undecidable manual PG 150 0.0039 -1.59 0.2
--.DRE.Z. 1985-02-13T10:12:51.00 10.0 undecidable manual SG 57 0.0014 0.27 0.9
--.MPR.Z. 1985-02-13T10:12:51.20 10.0 undecidable manual PG 295 0.0032 -0.43 1.4
--.VOY.Z. 1985-02-13T10:12:50.30 10.0 undecidable manual PG 100 0.0028 -0.41 1.4
--.BOO.Z. 1985-02-13T10:12:50.40 10.0 undecidable manual PG 312 0.003 -0.85 0.9
--.BUA.Z. 1985-02-13T10:12:49.70 10.0 negative manual PG 299 0.0023 -0.19 3.1
--.COL.Z. 1985-02-13T10:12:48.80 10.0 undecidable manual SG 308 0.0006 0.54 0.7
--.DRE.Z. 1985-02-13T10:12:48.00 10.0 negative manual PG 57 0.0014 0.16 3.1
--.BAD.Z. 1985-02-13T10:12:48.50 10.0 negative manual PG 314 0.0019 -0.35 2.9
--.UDI.Z. 1985-02-13T10:12:47.30 10.0 positive manual PG 260 0.0014 -0.57 2.4
--.COL.Z. 1985-02-13T10:12:46.70 10.0 negative manual PG 308 0.0006 0.28 3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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