Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.0 on date 10-02-1985 and time 05:34:08 (Italy) in region 3 km SW Verzegnis (UD)

A magnitude Md 2.0 earthquake occured in region: 3 km SW Verzegnis (UD), on

  • 10-02-1985 04:34:08 (UTC)
  • 10-02-1985 05:34:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3730, 12.9630 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.

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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
Verzegnis UD 3 863 863
Tolmezzo UD 6 10440 11303
Villa Santina UD 6 2233 13536
Cavazzo Carnico UD 6 1052 14588
Lauco UD 6 729 15317
Enemonzo UD 8 1319 16636
Preone UD 8 246 16882
Raveo UD 10 458 17340
Amaro UD 10 823 18163
Zuglio UD 11 595 18758
Socchieve UD 11 908 19666
Arta Terme UD 12 2171 21837
Bordano UD 13 754 22591
Trasaghis UD 13 2227 24818
Ampezzo UD 14 1006 25824
Venzone UD 14 2117 27941
Ovaro UD 15 1922 29863
Tramonti di Sopra PN 15 321 30184
Vito d'Asio PN 15 769 30953
Sutrio UD 16 1332 32285
Osoppo UD 16 2936 35221
Tramonti di Sotto PN 16 387 35608
Clauzetto PN 16 380 35988
Forgaria nel Friuli UD 17 1786 37774
Comeglians UD 17 516 38290
Ravascletto UD 17 536 38826
Cercivento UD 17 679 39505
Gemona del Friuli UD 17 10964 50469
Paluzza UD 18 2217 52686
Moggio Udinese UD 18 1714 54400
Treppo Carnico UD 19 618 55018
Castelnovo del Friuli PN 20 880 55898
Resiutta UD 20 309 56207

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of Udine (99169 inhabitants)
52 Km NE of Pordenone (51229 inhabitants)
96 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
Bulletin
Rev1000 		Md 2.0
M 2.1 		1985-02-10
04:34:08		 46.373 12.963 10 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 1449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-10 04:34:08 ± 0.107
Latitude 46.3730 ± 0.0062
Longitude 12.9630 ± 0.0133
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 1449

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) 1229.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00453
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 1449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:33

M:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1449
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(km) Takeoff_angle Residual Weight
--.DRE.Z. 1985-02-10T04:34:26.20 10.0 undecidable manual SG 112 0.4995 -0.23 0.3
--.UDI.Z. 1985-02-10T04:34:22.30 10.0 undecidable manual SG 148 0.3552 0.67 0
--.COL.Z. 1985-02-10T04:34:22.20 10.0 undecidable manual SG 129 0.3663 0.17 0.4
--.FO1.Z. 1985-02-10T04:34:18.00 10.0 undecidable manual SG 330 0.2553 -0.21 0.4
--.DRE.Z. 1985-02-10T04:34:18.10 10.0 undecidable manual PG 112 0.4995 -0.58 0.1
--.BAD.Z. 1985-02-10T04:34:17.40 10.0 undecidable manual SG 125 0.2331 -0.23 0.6
--.COL.Z. 1985-02-10T04:34:16.30 10.0 undecidable manual PG 129 0.3663 0.16 1
--.BUA.Z. 1985-02-10T04:34:16.30 10.0 undecidable manual SG 144 0.1887 0.16 0.7
--.ZOU.Z. 1985-02-10T04:34:16.50 10.0 undecidable manual SG 2 0.1776 0.54 0.1
--.UDI.Z. 1985-02-10T04:34:16.10 10.0 undecidable manual PG 148 0.3552 0.19 0.9
--.MPR.Z. 1985-02-10T04:34:14.30 10.0 undecidable manual SG 172 0.1221 0.09 0.8
--.BOO.Z. 1985-02-10T04:34:13.40 10.0 undecidable manual SG 119 0.111 -0.07 0.8
--.BAD.Z. 1985-02-10T04:34:13.50 10.0 negative manual PG 125 0.2331 -0.1 2.6
--.FO1.Z. 1985-02-10T04:34:13.50 10.0 undecidable manual PG 330 0.2553 -0.44 0.3
--.ZOU.Z. 1985-02-10T04:34:12.80 10.0 negative manual PG 2 0.1776 0.16 2.3
--.BUA.Z. 1985-02-10T04:34:12.70 10.0 undecidable manual PG 144 0.1887 -0.04 1.4
--.BOO.Z. 1985-02-10T04:34:11.30 10.0 positive manual PG 119 0.111 0.1 2.6
--.MPR.Z. 1985-02-10T04:34:11.60 10.0 positive manual PG 172 0.1221 -0.03 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