Earthquake with magnitude of Md 2.3 on date 08-09-1987 and time 04:14:56 (UTC) in region 3 km NE Venzone (UD)

A magnitude Md 2.3 earthquake occured in region: 3 km NE Venzone (UD), on

  • 08-09-1987 04:14:56 (UTC)
  • 08-09-1987 06:14:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.3560, 13.1640 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Venzone UD 3 2117 2117
Amaro UD 6 823 2940
Resiutta UD 6 309 3249
Bordano UD 6 754 4003
Moggio Udinese UD 7 1714 5717
Gemona del Friuli UD 9 10964 16681
Cavazzo Carnico UD 10 1052 17733
Trasaghis UD 11 2227 19960
Montenars UD 11 538 20498
Resia UD 11 1033 21531
Lusevera UD 13 643 22174
Artegna UD 13 2885 25059
Tolmezzo UD 13 10440 35499
Chiusaforte UD 13 672 36171
Osoppo UD 13 2936 39107
Verzegnis UD 14 863 39970
Magnano in Riviera UD 14 2336 42306
Dogna UD 16 175 42481
Zuglio UD 16 595 43076
Tarcento UD 16 9012 52088
Buja UD 17 6563 58651
Arta Terme UD 17 2171 60822
Taipana UD 18 636 61458
Treppo Grande UD 18 1708 63166
Nimis UD 19 2740 65906
Lauco UD 19 729 66635
Villa Santina UD 20 2233 68868
Paularo UD 20 2623 71491
Majano UD 20 5945 77436
Pontebba UD 20 1433 78869

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Udine (99169 inhabitants)
59 Km NE of Pordenone (51229 inhabitants)
91 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 2.3 1987-09-08
04:14:56
46.356 13.164 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 54959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-09-08 04:14:56 ± 0.163
Latitude 46.3560 ± 0.0104
Longitude 13.1640 ± 0.0129
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 54959

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) 1517.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00049
Epicentral distance of station farthest from the epicenter (degree) 0.01303
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 54959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:52:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.DDS.Z. 1987-09-08T04:15:43.40 10.0 undecidable manual SN 251 1.443 1.58 0
--.CAV.Z. 1987-09-08T04:15:34.90 10.0 undecidable manual SN 267 1.1655 -0.44 0.4
--.CEY.Z. 1987-09-08T04:15:33.10 10.0 undecidable manual SN 124 1.0656 0.24 0.5
--.CTI.Z. 1987-09-08T04:15:32.81 10.0 undecidable manual SN? 254 1.0878 -0.52 0
--.DDS.Z. 1987-09-08T04:15:24.40 10.0 undecidable manual PN 251 1.443 1.66 0.1
--.TRI.Z. 1987-09-08T04:15:22.70 10.0 undecidable manual SG 146 0.7659 -0.74 0.4
--.CAV.Z. 1987-09-08T04:15:19.30 10.0 undecidable manual PN 267 1.1655 0.31 1.1
--.CEY.Z. 1987-09-08T04:15:19.30 10.0 undecidable manual PN 124 1.0656 1.74 0.1
--.VOY.Z. 1987-09-08T04:15:18.10 10.0 undecidable manual SG 122 0.5883 0.1 0.7
--.CTI.Z. 1987-09-08T04:15:18.15 10.0 undecidable manual PN 254 1.0878 0.32 1.2
--.CAE.Z. 1987-09-08T04:15:17.80 10.0 undecidable manual SG 235 0.6105 -0.6 0.5
--.TRI.Z. 1987-09-08T04:15:11.40 10.0 undecidable manual PG 146 0.7659 -0.72 0.9
--.DRE.Z. 1987-09-08T04:15:10.30 10.0 undecidable manual SG 118 0.3774 -0.59 0.5
--.FVI.Z. 1987-09-08T04:15:09.44 10.0 undecidable manual SG 312 0.3552 -0.7 0.4
--.CAE.Z. 1987-09-08T04:15:08.80 10.0 undecidable manual PG 235 0.6105 -0.41 1.5
--.RBL.Z. 1987-09-08T04:15:08.38 10.0 undecidable manual SG 72 0.2886 0.29 0.7
--.VOY.Z. 1987-09-08T04:15:08.60 10.0 positive manual PG 122 0.5883 -0.38 3.1
--.ERT.Z. 1987-09-08T04:15:07.80 10.0 undecidable manual PG 261 0.5439 -0.24 1.7
--.ZOU.Z. 1987-09-08T04:15:06.50 10.0 undecidable manual SG 326 0.2331 0.08 0.7
--.DRE.Z. 1987-09-08T04:15:04.60 10.0 undecidable manual PG 118 0.3774 -0.28 1.7
--.FVI.Z. 1987-09-08T04:15:04.00 10.0 undecidable manual PG 312 0.3552 -0.44 1.5
--.RCL.Z. 1987-09-08T04:15:04.30 10.0 undecidable manual PG 241 0.3996 -1.04 0.6
--.RBL.Z. 1987-09-08T04:15:03.40 10.0 undecidable manual PG 72 0.2886 0.14 1.8
--.BUA.Z. 1987-09-08T04:15:03.10 10.0 undecidable manual SG 191 0.1332 0.18 0.7
--.FOA.Z. 1987-09-08T04:15:03.90 10.0 undecidable manual PG 310 0.3552 -0.51 1.4
--.ZOU.Z. 1987-09-08T04:15:02.30 10.0 undecidable manual PG 326 0.2331 0.01 1.8
--.BOO.Z. 1987-09-08T04:15:00.80 10.0 undecidable manual SG 230 0.0555 0.3 0.7
--.BUA.Z. 1987-09-08T04:15:00.30 10.0 undecidable manual PG 191 0.1332 0.03 1.8
--.BOO.Z. 1987-09-08T04:14:59.30 10.0 undecidable manual PG 230 0.0555 0.42 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
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