Earthquake with magnitude of Md 3.3 on date 26-02-1985 and time 19:52:17 (Italy) in region 2 km NE Montenars (UD)

A magnitude Md 3.3 earthquake occured in region: 2 km NE Montenars (UD), on

  • 26-02-1985 18:52:17 (UTC)
  • 26-02-1985 19:52:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.27, 13.19 at 9 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
Montenars UD 2 538 538
Gemona del Friuli UD 4 10964 11502
Artegna UD 4 2885 14387
Magnano in Riviera UD 5 2336 16723
Lusevera UD 6 643 17366
Tarcento UD 7 9012 26378
Venzone UD 8 2117 28495
Bordano UD 8 754 29249
Osoppo UD 9 2936 32185
Buja UD 9 6563 38748
Trasaghis UD 9 2227 40975
Treppo Grande UD 9 1708 42683
Nimis UD 10 2740 45423
Cassacco UD 11 2938 48361
Taipana UD 12 636 48997
Tricesimo UD 13 7600 56597
Colloredo di Monte Albano UD 13 2223 58820
Attimis UD 13 1805 60625
Majano UD 13 5945 66570
Amaro UD 13 823 67393
Resiutta UD 14 309 67702
Resia UD 14 1033 68735
Reana del Rojale UD 14 4966 73701
Moggio Udinese UD 15 1714 75415
Cavazzo Carnico UD 16 1052 76467
Pagnacco UD 17 5044 81511
Chiusaforte UD 18 672 82183
Moruzzo UD 18 2456 84639
Forgaria nel Friuli UD 18 1786 86425
Faedis UD 18 2945 89370
Vito d'Asio PN 18 769 90139
San Daniele del Friuli UD 18 8013 98152
Povoletto UD 19 5471 103623
Tavagnacco UD 19 14910 118533
Ragogna UD 19 2909 121442
Fagagna UD 20 6385 127827
Verzegnis UD 20 863 128690
Martignacco UD 20 6924 135614
Tolmezzo UD 20 10440 146054

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of Udine (99169 inhabitants)
54 Km NE of Pordenone (51229 inhabitants)
83 Km NW of Trieste (204420 inhabitants)
99 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
Rev 1000 Md 3.3
M 3.4
1985-02-26
18:52:17
46.27 13.19 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 2599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-26 18:52:17 ± 0.185
Latitude 46.27 ± 0.01
Longitude 13.19 ± 0.02
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 2599

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) 2001.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
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) 0.0004
Epicentral distance of station farthest from the epicenter (degree) 0.03521
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

Md:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 2599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:07:29

M:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 2599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:50:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CK1.Z. 1985-02-26T18:53:19.50 10.0 undecidable manual PN 243 0.0352 1.84 0.1
--.MNS.Z. 1985-02-26T18:53:17.50 10.0 undecidable manual PN 185 0.0351 -0.02 0.5
--.PO9.Z. 1985-02-26T18:53:15.80 10.0 undecidable manual PN 182 0.0333 1.06 0.2
--.AS1.Z. 1985-02-26T18:53:09.50 10.0 undecidable manual PN 186 0.0291 1.2 0.2
--.VAI.Z. 1985-02-26T18:53:09.20 10.0 undecidable manual PN? 263 0.0278 2.87 0
--.AR1.Z. 1985-02-26T18:53:03.00 10.0 undecidable manual PN 183 0.025 0.92 0.4
--.CH1.Z. 1985-02-26T18:53:01.50 10.0 undecidable manual PN 198 0.025 -0.68 0.5
--.SAV.Z. 1985-02-26T18:52:55.20 10.0 undecidable manual PN? 255 0.0187 2.72 0
--.CTI.Z. 1985-02-26T18:52:54.00 10.0 undecidable manual SN 258 0.0098 -0.4 0.6
--.SAL.Z. 1985-02-26T18:52:52.50 10.0 undecidable manual PN 251 0.0176 1.58 0.2
--.PAN.Z. 1985-02-26T18:52:44.80 10.0 undecidable manual PN? 260 0.0118 2.74 0
--.TRI.Z. 1985-02-26T18:52:42.00 10.0 undecidable manual SG 144 0.0062 -0.04 0.5
--.CAV.Z. 1985-02-26T18:52:42.50 10.0 undecidable manual PN 271 0.0107 2.21 0
--.CTI.Z. 1985-02-26T18:52:39.50 10.0 positive manual PN 258 0.0098 0.63 1.8
--.CAE.Z. 1985-02-26T18:52:37.90 10.0 undecidable manual SG 243 0.0053 -0.73 0.5
--.CEY.Z. 1985-02-26T18:52:36.70 10.0 undecidable manual PG 121 0.0091 -0.96 0.7
--.LJU.Z. 1985-02-26T18:52:36.70 10.0 positive manual PG 103 0.0086 0.11 2.4
--.RCL.Z. 1985-02-26T18:52:31.70 10.0 undecidable manual SG 252 0.0035 -0.57 0.6
--.TRI.Z. 1985-02-26T18:52:30.80 10.0 undecidable manual PG 144 0.0062 -0.93 0.7
--.ZOU.Z. 1985-02-26T18:52:30.40 10.0 undecidable manual SG 332 0.0028 0.34 0.7
--.DRE.Z. 1985-02-26T18:52:30.60 10.0 undecidable manual SG 107 0.0029 0.19 0.7
--.RBL.Z. 1985-02-26T18:52:29.20 10.0 undecidable manual SG 57 0.0028 -0.55 0.4
--.VOY.Z. 1985-02-26T18:52:28.30 10.0 positive manual PG 116 0.0049 -0.7 1.7
--.CAE.Z. 1985-02-26T18:52:28.60 10.0 negative manual PG 243 0.0053 -1.16 1
--.ERT.Z. 1985-02-26T18:52:27.70 10.0 undecidable manual PG 270 0.005 -1.6 0.5
--.FOA.Z. 1985-02-26T18:52:26.20 10.0 undecidable manual PG 317 0.0038 -0.54 2
--.COL.Z. 1985-02-26T18:52:26.20 10.0 undecidable manual SG 137 0.0017 0.56 0.6
--.FO1.Z. 1985-02-26T18:52:26.50 10.0 negative manual PG 318 0.0038 -0.29 2.2
--.RCL.Z. 1985-02-26T18:52:25.30 10.0 negative manual PG 252 0.0035 -0.8 1.6
--.UDI.Z. 1985-02-26T18:52:25.80 10.0 undecidable manual SG 171 0.0019 -0.54 0.6
--.MPR.Z. 1985-02-26T18:52:24.00 10.0 undecidable manual SG 256 0.0012 0.1 0.7
--.DRE.Z. 1985-02-26T18:52:24.60 10.0 positive manual PG 107 0.0029 -0.41 2.1
--.ZOU.Z. 1985-02-26T18:52:24.60 10.0 positive manual PG 332 0.0028 -0.21 2.3
--.RBL.Z. 1985-02-26T18:52:24.70 10.0 positive manual PG 57 0.0028 0.06 2.4
--.COL.Z. 1985-02-26T18:52:22.50 10.0 undecidable manual PG 137 0.0017 0.24 1.1
--.BAD.Z. 1985-02-26T18:52:22.30 10.0 undecidable manual SG 135 0.0004 1.02 0.4
--.UDI.Z. 1985-02-26T18:52:22.40 10.0 undecidable manual PG 171 0.0019 -0.27 2.3
--.BOO.Z. 1985-02-26T18:52:22.80 10.0 undecidable manual SG 306 0.0006 0.95 0.4
--.BUA.Z. 1985-02-26T18:52:21.80 10.0 undecidable manual SG 219 0.0006 0.06 0.7
--.BAD.Z. 1985-02-26T18:52:20.10 10.0 positive manual PG 135 0.0004 0.36 2.2
--.BOO.Z. 1985-02-26T18:52:20.30 10.0 negative manual PG 306 0.0006 0.23 2.3
--.MPR.Z. 1985-02-26T18:52:20.90 10.0 positive manual PG 256 0.0012 -0.36 2.2
--.BUA.Z. 1985-02-26T18:52:19.80 10.0 negative manual PG 219 0.0006 -0.21 2.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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