ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of Md 3.4 on date 08-02-1985 and time 02:45:52 (Italy) in region 3 km W Ovaro (UD)

A magnitude Md 3.4 earthquake occured in region: 3 km W Ovaro (UD), on

  • 08-02-1985 01:45:52 (UTC)
  • 08-02-1985 02:45:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.47, 12.83 at 5 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
Ovaro UD 3 1922 1922
Raveo UD 5 458 2380
Comeglians UD 6 516 2896
Prato Carnico UD 6 904 3800
Ampezzo UD 7 1006 4806
Socchieve UD 7 908 5714
Enemonzo UD 8 1319 7033
Preone UD 9 246 7279
Rigolato UD 9 448 7727
Sauris UD 9 416 8143
Ravascletto UD 9 536 8679
Villa Santina UD 9 2233 10912
Lauco UD 10 729 11641
Sutrio UD 13 1332 12973
Forni Avoltri UD 13 588 13561
Cercivento UD 14 679 14240
Forni di Sotto UD 15 600 14840
Arta Terme UD 15 2171 17011
Zuglio UD 15 595 17606
Verzegnis UD 15 863 18469
Sappada BL 16 1317 19786
Paluzza UD 16 2217 22003
Tolmezzo UD 16 10440 32443
Treppo Carnico UD 18 618 33061
Tramonti di Sopra PN 18 321 33382
Cavazzo Carnico UD 20 1052 34434
Forni di Sopra UD 20 993 35427

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km NW of Udine (99169 inhabitants)
59 Km N of Pordenone (51229 inhabitants)
100 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 3.4
M 3.5
1985-02-08
01:45:52
46.47 12.83 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 1309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-08 01:45:52 ± 0.186
Latitude 46.47 ± 0.01
Longitude 12.83 ± 0.02
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1309

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) 1774.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.03683
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 1309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:27

M:3.5

Field Value
Value 3.5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1309
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 Takeoff_angle Residual Weight
--.FIN.Z. 1985-02-08T01:47:37.00 10.0 undecidable manual SN 236 0.0355 -1.4 0.1
--.ROB.Z. 1985-02-08T01:46:56.50 10.0 undecidable manual PN 239 0.0368 0.93 0.3
--.FIN.Z. 1985-02-08T01:46:54.50 10.0 undecidable manual PN 236 0.0355 0.89 0.4
--.PO9.Z. 1985-02-08T01:46:53.50 10.0 undecidable manual PN 178 0.0351 0.74 0.5
--.CK1.Z. 1985-02-08T01:46:53.70 10.0 undecidable manual PN? 238 0.0341 2.33 0
--.AS1.Z. 1985-02-08T01:46:47.00 10.0 undecidable manual PN 182 0.0306 0.91 0.4
--.CH1.Z. 1985-02-08T01:46:40.00 10.0 undecidable manual PN 192 0.0261 0.76 0.6
--.AR1.Z. 1985-02-08T01:46:40.50 10.0 undecidable manual PN 178 0.0267 0.41 0.8
--.DDS.Z. 1985-02-08T01:46:35.50 10.0 undecidable manual SN 243 0.0115 0.72 0.6
--.PAN.Z. 1985-02-08T01:46:31.10 10.0 undecidable manual SN 248 0.0102 -0.19 0.9
--.TRI.Z. 1985-02-08T01:46:28.50 10.0 undecidable manual SG 139 0.009 1.11 0.3
--.SAL.Z. 1985-02-08T01:46:25.00 10.0 undecidable manual PN 242 0.0164 0.76 0.8
--.VOY.Z. 1985-02-08T01:46:23.00 10.0 undecidable manual SG 120 0.0077 0.22 0.6
--.RNI.Z. 1985-02-08T01:46:22.30 10.0 undecidable manual PN 252 0.0142 1.19 0.4
--.PAG.Z. 1985-02-08T01:46:16.70 10.0 undecidable manual PN 255 0.0115 -0.17 1.5
--.DDS.Z. 1985-02-08T01:46:16.90 10.0 negative manual PN 243 0.0115 0.02 3
--.DRE.Z. 1985-02-08T01:46:15.10 10.0 undecidable manual SG? 117 0.0057 -0.6 0
--.TRI.Z. 1985-02-08T01:46:13.00 10.0 undecidable manual PG 139 0.009 0.38 1.4
--.PAN.Z. 1985-02-08T01:46:13.90 10.0 undecidable manual PN 248 0.0102 -0.96 0.7
--.RBL.Z. 1985-02-08T01:46:11.00 10.0 undecidable manual SG 93 0.0045 -0.63 0.7
--.UDI.Z. 1985-02-08T01:46:11.60 10.0 undecidable manual SG 145 0.0044 0.45 0.5
--.CAE.Z. 1985-02-08T01:46:11.70 10.0 undecidable manual SG 210 0.0048 -0.91 0.5
--.COL.Z. 1985-02-08T01:46:11.80 10.0 undecidable manual SG 131 0.0045 0.22 0.9
--.CTI.Z. 1985-02-08T01:46:10.50 10.0 undecidable manual PG 243 0.0083 -0.64 1.1
--.CAV.Z. 1985-02-08T01:46:10.60 10.0 undecidable manual PG 259 0.0086 -1.3 0.4
--.VOY.Z. 1985-02-08T01:46:08.80 10.0 positive manual PG 120 0.0077 -1.15 1
--.BAD.Z. 1985-02-08T01:46:07.10 10.0 undecidable manual SG 129 0.0032 0.4 0.8
--.BUA.Z. 1985-02-08T01:46:06.60 10.0 undecidable manual SG 141 0.0028 1.63 0.1
--.DRE.Z. 1985-02-08T01:46:04.90 10.0 undecidable manual PG 117 0.0057 -0.96 0.7
--.COL.Z. 1985-02-08T01:46:03.00 10.0 undecidable manual PG 131 0.0045 -0.49 1.3
--.RBL.Z. 1985-02-08T01:46:03.00 10.0 undecidable manual PG 93 0.0045 -0.52 1.2
--.CAE.Z. 1985-02-08T01:46:02.80 10.0 undecidable manual PG 210 0.0048 -1.28 0.4
--.BOO.Z. 1985-02-08T01:46:02.10 10.0 undecidable manual SG 128 0.0021 0.33 0.8
--.MPR.Z. 1985-02-08T01:46:02.80 10.0 undecidable manual SG? 154 0.0023 0.48 0
--.UDI.Z. 1985-02-08T01:46:02.70 10.0 undecidable manual PG 145 0.0044 -0.54 1.2
--.BAD.Z. 1985-02-08T01:46:00.30 10.0 undecidable manual PG 129 0.0032 -0.37 1.4
--.BUA.Z. 1985-02-08T01:45:59.50 10.0 undecidable manual PG 141 0.0028 -0.17 1.5
--.RCL.Z. 1985-02-08T01:45:59.20 10.0 undecidable manual PG 201 0.003 -0.72 1
--.POB.Z. 1985-02-08T01:45:58.70 10.0 undecidable manual PG 81 0.0028 -0.68 1.1
--.MPR.Z. 1985-02-08T01:45:58.20 10.0 negative manual PG 154 0.0023 0.06 3.1
--.BOO.Z. 1985-02-08T01:45:57.90 10.0 negative manual PG 128 0.0021 0.08 3.1
--.ZOU.Z. 1985-02-08T01:45:56.20 10.0 positive manual PG 48 0.0011 0.72 2
--.FO1.Z. 1985-02-08T01:45:55.50 10.0 negative manual PG 344 0.0011 0.06 3.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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