Earthquake with magnitude of Md 2.5 on date 08-01-1985 and time 23:06:13 (Italy) in region 4 km W San Michele al Tagliamento (VE)

A magnitude Md 2.5 earthquake occured in region: 4 km W San Michele al Tagliamento (VE), on

  • 08-01-1985 22:06:13 (UTC)
  • 08-01-1985 23:06:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.75, 12.95 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Michele al Tagliamento VE 4 11930 11930
Latisana UD 4 13600 25530
Fossalta di Portogruaro VE 6 6054 31584
Ronchis UD 7 2057 33641
Concordia Sagittaria VE 8 10386 44027
Teglio Veneto VE 9 2285 46312
Portogruaro VE 9 25142 71454
Precenicco UD 11 1479 72933
Palazzolo dello Stella UD 12 2972 75905
Morsano al Tagliamento PN 12 2830 78735
Cordovado PN 12 2780 81515
Gruaro VE 12 2811 84326
Pocenia UD 15 2536 86862
Sesto al Reghena PN 15 6356 93218
Cinto Caomaggiore VE 15 3243 96461
Varmo UD 15 2804 99265
Rivignano Teor UD 15 6349 105614
Muzzana del Turgnano UD 16 2527 108141
Lignano Sabbiadoro UD 16 6950 115091
Marano Lagunare UD 17 1844 116935
Caorle VE 18 11672 128607
Pramaggiore VE 18 4654 133261
Carlino UD 19 2797 136058
Camino al Tagliamento UD 20 1626 137684
Chions PN 20 5190 142874
San Vito al Tagliamento PN 20 15078 157952
Torre di Mosto VE 20 4749 162701

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SE of Pordenone (51229 inhabitants)
41 Km SW of Udine (99169 inhabitants)
56 Km E of Treviso (83731 inhabitants)
59 Km NE of Venezia (263352 inhabitants)
65 Km W of Trieste (204420 inhabitants)
92 Km E of Padova (210401 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
22:06:13
45.75 12.95 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-08 22:06:13 ± 0.627
Latitude 45.75 ± 0.03
Longitude 12.95 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 239

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) 4312.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 256
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
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) 0.0072
Epicentral distance of station farthest from the epicenter (degree) 0.0085
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:05:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CTI.Z. 1985-01-08T22:06:46.50 10.0 undecidable manual SG 288 0.0085 0.98 0.1
--.FO1.Z. 1985-01-08T22:06:42.00 10.0 undecidable manual SG 352 0.0076 -0.21 0.9
--.RBL.Z. 1985-01-08T22:06:41.50 10.0 undecidable manual SG 32 0.0072 0.54 0.5
--.CTI.Z. 1985-01-08T22:06:31.50 10.0 undecidable manual PG 288 0.0085 -0.3 1.9
--.FO1.Z. 1985-01-08T22:06:29.50 10.0 undecidable manual PG 352 0.0076 -0.4 1.7
--.RBL.Z. 1985-01-08T22:06:29.50 10.0 undecidable manual PG? 32 0.0072 0.33 0.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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