Earthquake with magnitude of Md 2.5 on date 08-01-1985 and time 04:03:09 (UTC) in region 4 km SW Resiutta (UD)

A magnitude Md 2.5 earthquake occured in region: 4 km SW Resiutta (UD), on

  • 08-01-1985 04:03:09 (UTC)
  • 08-01-1985 05:03:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.37, 13.18 at 3 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
Resiutta UD 4 309 309
Moggio Udinese UD 5 1714 2023
Venzone UD 5 2117 4140
Amaro UD 7 823 4963
Bordano UD 8 754 5717
Resia UD 9 1033 6750
Gemona del Friuli UD 11 10964 17714
Chiusaforte UD 11 672 18386
Cavazzo Carnico UD 11 1052 19438
Montenars UD 12 538 19976
Trasaghis UD 13 2227 22203
Lusevera UD 13 643 22846
Tolmezzo UD 14 10440 33286
Dogna UD 14 175 33461
Artegna UD 14 2885 36346
Verzegnis UD 15 863 37209
Osoppo UD 15 2936 40145
Magnano in Riviera UD 15 2336 42481
Zuglio UD 16 595 43076
Arta Terme UD 17 2171 45247
Tarcento UD 17 9012 54259
Taipana UD 18 636 54895
Buja UD 18 6563 61458
Pontebba UD 18 1433 62891
Paularo UD 19 2623 65514
Nimis UD 20 2740 68254
Treppo Grande UD 20 1708 69962

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Udine (99169 inhabitants)
61 Km NE of Pordenone (51229 inhabitants)
92 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 2.5 1985-01-08
04:03:09
46.37 13.18 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-08 04:03:09 ± 0.119
Latitude 46.37 ± 0.01
Longitude 13.18 ± 0.01
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 209

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) 1433.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.00996
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:05:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CTI.Z. 1985-01-08T04:03:48.50 10.0 undecidable manual SN 254 0.01 0.06 0.3
--.CTI.Z. 1985-01-08T04:03:32.00 10.0 undecidable manual PN 254 0.01 -0.02 0.9
--.FO1.Z. 1985-01-08T04:03:23.50 10.0 undecidable manual SG 309 0.0032 0.1 0.5
--.VOY.Z. 1985-01-08T04:03:22.50 10.0 undecidable manual PG 124 0.0053 -0.03 1.3
--.RBL.Z. 1985-01-08T04:03:20.00 10.0 undecidable manual SG 74 0.0024 -0.18 0.2
--.FO1.Z. 1985-01-08T04:03:17.50 10.0 undecidable manual PG 309 0.0032 -0.06 2.2
--.RBL.Z. 1985-01-08T04:03:15.80 10.0 undecidable manual PG 74 0.0024 0.1 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download