Earthquake with magnitude of Md 2.5 on date 17-02-1989 and time 06:51:48 (Italy) in region 3 km NW Forni di Sotto (UD)

A magnitude Md 2.5 earthquake occured in region: 3 km NW Forni di Sotto (UD), on

  • 17-02-1989 05:51:48 (UTC)
  • 17-02-1989 06:51:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.4160, 12.6510 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
Forni di Sotto UD 3 600 600
Forni di Sopra UD 6 993 1593
Sauris UD 7 416 2009
Ampezzo UD 11 1006 3015
Socchieve UD 13 908 3923
Tramonti di Sopra PN 16 321 4244
Lorenzago di Cadore BL 16 549 4793
Prato Carnico UD 16 904 5697
Vigo di Cadore BL 17 1440 7137
Preone UD 17 246 7383
Raveo UD 17 458 7841
Sappada BL 17 1317 9158
Santo Stefano di Cadore BL 18 2609 11767
Enemonzo UD 18 1319 13086
Lozzo di Cadore BL 18 1383 14469
San Pietro di Cadore BL 18 1624 16093
Ovaro UD 18 1922 18015
Tramonti di Sotto PN 18 387 18402
Domegge di Cadore BL 19 2441 20843
Claut PN 20 956 21799
Danta di Cadore BL 20 463 22262
Comeglians UD 20 516 22778

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km N of Pordenone (51229 inhabitants)
60 Km NW of Udine (99169 inhabitants)
89 Km NE of Treviso (83731 inhabitants)
100 Km E of Bolzano (106441 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 2.5 1989-02-17
05:51:48
46.416 12.651 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 87169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-02-17 05:51:48 ± 0.39
Latitude 46.4160 ± 0.0290
Longitude 12.6510 ± 0.0453
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 87169

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) 4734.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00939
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 3
Type of magnitude Md
Reference to an origin 87169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:21:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.TRI.Z. 1989-02-17T05:52:25.70 10.0 undecidable manual SN 132 1.0434 1.62 0.1
--.CTI.Z. 1989-02-17T05:52:14.47 10.0 undecidable manual SG 242 0.777 -1.31 0.1
--.TRI.Z. 1989-02-17T05:52:09.70 10.0 positive manual PN 132 1.0434 0.56 1.9
--.RBL.Z. 1989-02-17T05:52:09.50 10.0 undecidable manual SG 87 0.6327 -1.41 0.2
--.CTI.Z. 1989-02-17T05:52:04.28 10.0 undecidable manual PG 242 0.777 -0.06 1.5
--.RBL.Z. 1989-02-17T05:52:00.50 10.0 undecidable manual PG 87 0.6327 -1.03 0.7
--.FVI.Z. 1989-02-17T05:51:57.56 10.0 undecidable manual SG 26 0.1998 0.54 0.5
--.FVI.Z. 1989-02-17T05:51:53.74 10.0 positive manual PG 26 0.1998 0.23 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download