Earthquake with magnitude of Md 2.0 on date 02-04-1985 and time 15:38:04 (Italy) in region 5 km NE Montenars (UD)

A magnitude Md 2.0 earthquake occured in region: 5 km NE Montenars (UD), on

  • 02-04-1985 13:38:04 (UTC)
  • 02-04-1985 15:38:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.3, 13.2 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
Montenars UD 5 538 538
Gemona del Friuli UD 5 10964 11502
Venzone UD 6 2117 13619
Lusevera UD 6 643 14262
Bordano UD 7 754 15016
Artegna UD 7 2885 17901
Magnano in Riviera UD 8 2336 20237
Tarcento UD 10 9012 29249
Trasaghis UD 10 2227 31476
Osoppo UD 10 2936 34412
Resiutta UD 11 309 34721
Amaro UD 11 823 35544
Resia UD 12 1033 36577
Buja UD 12 6563 43140
Moggio Udinese UD 12 1714 44854
Nimis UD 12 2740 47594
Taipana UD 12 636 48230
Treppo Grande UD 13 1708 49938
Cassacco UD 14 2938 52876
Cavazzo Carnico UD 14 1052 53928
Attimis UD 15 1805 55733
Chiusaforte UD 15 672 56405
Tricesimo UD 15 7600 64005
Colloredo di Monte Albano UD 16 2223 66228
Majano UD 16 5945 72173
Reana del Rojale UD 17 4966 77139
Tolmezzo UD 18 10440 87579
Verzegnis UD 19 863 88442
Dogna UD 19 175 88617
Pagnacco UD 20 5044 93661
Forgaria nel Friuli UD 20 1786 95447
Faedis UD 20 2945 98392
Vito d'Asio PN 20 769 99161

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km N of Udine (99169 inhabitants)
57 Km NE of Pordenone (51229 inhabitants)
85 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 Md 2.0 1985-04-02
13:38:04
46.3 13.2 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 3949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-02 13:38:04 ± 0.082
Latitude 46.30 ± 0.01
Longitude 13.20 ± 0.01
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 3949

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) 934.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00988
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 3949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CTI.Z. 1985-04-02T13:38:43.50 10.0 undecidable manual SN 257 0.0099 2.01 0
--.CTI.Z. 1985-04-02T13:38:26.00 10.0 undecidable manual PN 257 0.0099 0.01 0.6
--.FO1.Z. 1985-04-02T13:38:20.00 10.0 undecidable manual SG 315 0.0036 0.09 0.5
--.RCL.Z. 1985-04-02T13:38:19.60 10.0 undecidable manual SG 249 0.0036 -0.07 0.2
--.RBL.Z. 1985-04-02T13:38:16.00 10.0 undecidable manual SG 60 0.0026 -0.02 0.5
--.FO1.Z. 1985-04-02T13:38:14.00 10.0 undecidable manual PG 315 0.0036 0.47 0.7
--.RCL.Z. 1985-04-02T13:38:13.30 10.0 undecidable manual PG 249 0.0036 -0.09 0.9
--.COL.Z. 1985-04-02T13:38:13.60 10.0 undecidable manual SG 143 0.0019 0.19 0.5
--.POB.Z. 1985-04-02T13:38:10.00 10.0 undecidable manual PG 13 0.0019 0.03 1.2
--.RBL.Z. 1985-04-02T13:38:10.50 10.0 undecidable manual PG 60 0.0026 -0.78 0.3
--.BAD.Z. 1985-04-02T13:38:09.20 10.0 undecidable manual SG 154 0.0006 -0.02 0.5
--.COL.Z. 1985-04-02T13:38:09.80 10.0 negative manual PG 143 0.0019 0.02 2.7
--.MPR.Z. 1985-04-02T13:38:08.70 10.0 positive manual PG 247 0.0014 -0.14 2.3
--.BOO.Z. 1985-04-02T13:38:08.60 10.0 undecidable manual SG 285 0.0006 -0.62 0.2
--.BAD.Z. 1985-04-02T13:38:07.50 10.0 positive manual PG 154 0.0006 0.14 2.3
--.BOO.Z. 1985-04-02T13:38:07.40 10.0 negative manual PG 285 0.0006 0.04 2.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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