Earthquake with magnitude of Md 2.1 on date 04-07-1986 and time 15:56:47 (UTC) in region 3 km W Taipana (UD)

A magnitude Md 2.1 earthquake occured in region: 3 km W Taipana (UD), on

  • 04-07-1986 15:56:47 (UTC)
  • 04-07-1986 17:56:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2550, 13.3100 at 12 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
Taipana UD 3 636 636
Lusevera UD 4 643 1279
Nimis UD 7 2740 4019
Attimis UD 7 1805 5824
Tarcento UD 8 9012 14836
Montenars UD 10 538 15374
Magnano in Riviera UD 11 2336 17710
Faedis UD 12 2945 20655
Artegna UD 12 2885 23540
Tricesimo UD 13 7600 31140
Reana del Rojale UD 13 4966 36106
Cassacco UD 13 2938 39044
Resia UD 13 1033 40077
Gemona del Friuli UD 13 10964 51041
Treppo Grande UD 14 1708 52749
Buja UD 15 6563 59312
Povoletto UD 15 5471 64783
Venzone UD 16 2117 66900
Pulfero UD 16 962 67862
Colloredo di Monte Albano UD 16 2223 70085
Torreano UD 17 2139 72224
Resiutta UD 17 309 72533
Bordano UD 17 754 73287
Chiusaforte UD 17 672 73959
Pagnacco UD 17 5044 79003
Osoppo UD 18 2936 81939
Trasaghis UD 18 2227 84166
Tavagnacco UD 19 14910 99076
Remanzacco UD 19 6185 105261
Moimacco UD 19 1675 106936
Moggio Udinese UD 19 1714 108650
Majano UD 20 5945 114595
San Pietro al Natisone UD 20 2171 116766

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Udine (99169 inhabitants)
60 Km NE of Pordenone (51229 inhabitants)
76 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 1986-07-04
15:56:47
46.255 13.31 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 30599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-07-04 15:56:47 ± 0.104
Latitude 46.2550 ± 0.0047
Longitude 13.3100 ± 0.0063
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 30599

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) 707.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
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) 0.00040
Epicentral distance of station farthest from the epicenter (degree) 0.00445
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 30599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:31:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FO1.Z. 1986-07-04T15:57:05.00 10.0 undecidable manual SG 312 0.4995 -0.09 0.4
--.ZOU.Z. 1986-07-04T15:57:01.40 10.0 undecidable manual SG 322 0.3774 0.06 0.8
--.TAL.Z. 1986-07-04T15:57:00.00 10.0 undecidable manual SG 203 0.3552 -0.78 0
--.RBL.Z. 1986-07-04T15:56:57.50 10.0 undecidable manual SG 43 0.2553 0.09 0.6
--.FO1.Z. 1986-07-04T15:56:57.20 10.0 undecidable manual PG 312 0.4995 -0.32 0.4
--.DRE.Z. 1986-07-04T15:56:56.80 10.0 undecidable manual SG 109 0.2442 -0.22 0.6
--.TAL.Z. 1986-07-04T15:56:55.20 10.0 undecidable manual PG 203 0.3552 0.16 1
--.ZOU.Z. 1986-07-04T15:56:55.50 10.0 undecidable manual PG 322 0.3774 0.14 1.1
--.UDI.Z. 1986-07-04T15:56:55.60 10.0 undecidable manual SG 194 0.1887 0.09 0.9
--.BOO.Z. 1986-07-04T15:56:54.20 10.0 undecidable manual SG 294 0.1554 -0.16 0.7
--.BUA.Z. 1986-07-04T15:56:53.50 10.0 undecidable manual SG 254 0.1221 -0.15 0.8
--.RBL.Z. 1986-07-04T15:56:53.00 10.0 undecidable manual PG 43 0.2553 -0.09 1.5
--.UDI.Z. 1986-07-04T15:56:52.30 10.0 undecidable manual PG 194 0.1887 0.3 0.6
--.DRE.Z. 1986-07-04T15:56:52.80 10.0 undecidable manual PG 109 0.2442 -0.06 1.6
--.BOO.Z. 1986-07-04T15:56:51.40 10.0 negative manual PG 294 0.1554 0.07 3.1
--.BAD.Z. 1986-07-04T15:56:51.40 10.0 undecidable manual SG 247 0.0444 -0.32 0.3
--.BUA.Z. 1986-07-04T15:56:51.00 10.0 undecidable manual PG 254 0.1221 0.08 1.5
--.BAD.Z. 1986-07-04T15:56:50.00 10.0 positive manual PG 247 0.0444 0.2 2.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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