Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.1 on date 15-02-1985 and time 03:27:42 (Italy) in region 6 km N Lusevera (UD)

A magnitude Md 2.1 earthquake occured in region: 6 km N Lusevera (UD), on

  • 15-02-1985 02:27:42 (UTC)
  • 15-02-1985 03:27:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3220, 13.2610 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.

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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
Lusevera UD 6 643 643
Resia UD 7 1033 1676
Resiutta UD 9 309 1985
Montenars UD 9 538 2523
Venzone UD 9 2117 4640
Taipana UD 10 636 5276
Chiusaforte UD 10 672 5948
Gemona del Friuli UD 11 10964 16912
Moggio Udinese UD 11 1714 18626
Bordano UD 12 754 19380
Artegna UD 12 2885 22265
Magnano in Riviera UD 12 2336 24601
Tarcento UD 12 9012 33613
Nimis UD 13 2740 36353
Amaro UD 14 823 37176
Dogna UD 15 175 37351
Trasaghis UD 15 2227 39578
Attimis UD 15 1805 41383
Osoppo UD 16 2936 44319
Buja UD 16 6563 50882
Treppo Grande UD 17 1708 52590
Cassacco UD 17 2938 55528
Cavazzo Carnico UD 18 1052 56580
Tricesimo UD 18 7600 64180
Reana del Rojale UD 19 4966 69146
Colloredo di Monte Albano UD 20 2223 71369
Faedis UD 20 2945 74314

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of Udine (99169 inhabitants)
62 Km NE of Pordenone (51229 inhabitants)
84 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
Bulletin
Rev1000 		Md 2.1
M 1.9 		1985-02-15
02:27:42		 46.322 13.261 9 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 1749
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-15 02:27:42 ± 0.082
Latitude 46.3220 ± 0.0058
Longitude 13.2610 ± 0.0064
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 1749

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) 811.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.00405
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 1749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:48

M:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1749
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(km) Takeoff_angle Residual Weight
--.RCL.Z. 1985-02-15T02:28:00.00 10.0 undecidable manual SG 249 0.444 0.53 0
--.FO1.Z. 1985-02-15T02:27:58.50 10.0 undecidable manual SG 309 0.4218 -0.25 0.3
--.ZOU.Z. 1985-02-15T02:27:55.50 10.0 undecidable manual SG 319 0.3108 0.63 0
--.DRE.Z. 1985-02-15T02:27:54.40 10.0 undecidable manual SG 119 0.2997 -0.33 0.3
--.RBL.Z. 1985-02-15T02:27:52.50 10.0 undecidable manual SG 60 0.2331 -0.11 0.5
--.RCL.Z. 1985-02-15T02:27:52.30 10.0 undecidable manual PG 249 0.444 -0.13 0.9
--.COL.Z. 1985-02-15T02:27:51.50 10.0 undecidable manual SG 156 0.1998 0.23 0.6
--.FO1.Z. 1985-02-15T02:27:51.50 10.0 undecidable manual PG 309 0.4218 -0.52 0.1
--.MPR.Z. 1985-02-15T02:27:50.90 10.0 undecidable manual SG 247 0.1998 -0.36 0.3
--.ZOU.Z. 1985-02-15T02:27:49.90 10.0 negative manual PG 319 0.3108 0.12 2.3
--.DRE.Z. 1985-02-15T02:27:49.40 10.0 undecidable manual PG 119 0.2997 -0.3 0.7
--.BUA.Z. 1985-02-15T02:27:48.80 10.0 undecidable manual SG 222 0.1332 -0.21 0.6
--.RBL.Z. 1985-02-15T02:27:48.50 10.0 undecidable manual PG 60 0.2331 0.03 1.4
--.MPR.Z. 1985-02-15T02:27:47.60 10.0 undecidable manual PG 247 0.1998 -0.09 1.4
--.BOO.Z. 1985-02-15T02:27:47.70 10.0 undecidable manual SG 268 0.111 -0.34 0.4
--.COL.Z. 1985-02-15T02:27:47.90 10.0 negative manual PG 156 0.1998 0.2 2.1
--.BAD.Z. 1985-02-15T02:27:46.90 10.0 undecidable manual SG 188 0.0777 -0.38 0.3
--.BUA.Z. 1985-02-15T02:27:46.60 10.0 positive manual PG 222 0.1332 0.21 2.1
--.BAD.Z. 1985-02-15T02:27:45.50 10.0 negative manual PG 188 0.0777 0.1 2.7
--.BOO.Z. 1985-02-15T02:27:45.90 10.0 positive manual PG 268 0.111 0.06 2.8
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