Earthquake with magnitude of Md 2.5 on date 15-07-1989 and time 23:45:14 (Italy) in region 5 km N Forni di Sotto (UD)

A magnitude Md 2.5 earthquake occured in region: 5 km N Forni di Sotto (UD), on

  • 15-07-1989 21:45:14 (UTC)
  • 15-07-1989 23:45:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4350, 12.6640 at 11 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 5 600 600
Sauris UD 5 416 1016
Forni di Sopra UD 7 993 2009
Ampezzo UD 10 1006 3015
Socchieve UD 13 908 3923
Prato Carnico UD 14 904 4827
Sappada BL 15 1317 6144
Raveo UD 16 458 6602
San Pietro di Cadore BL 16 1624 8226
Preone UD 16 246 8472
Santo Stefano di Cadore BL 16 2609 11081
Lorenzago di Cadore BL 16 549 11630
Vigo di Cadore BL 16 1440 13070
Ovaro UD 17 1922 14992
Enemonzo UD 17 1319 16311
Tramonti di Sopra PN 17 321 16632
Lozzo di Cadore BL 18 1383 18015
Comeglians UD 18 516 18531
Danta di Cadore BL 18 463 18994
Forni Avoltri UD 19 588 19582
Domegge di Cadore BL 19 2441 22023
San Nicolò di Comelico BL 20 406 22429
Tramonti di Sotto PN 20 387 22816
Rigolato UD 20 448 23264

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km N of Pordenone (51229 inhabitants)
60 Km NW of Udine (99169 inhabitants)
91 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
Bulletin
Rev1000
Md 2.5 1989-07-15
21:45:14
46.435 12.664 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 95309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-07-15 21:45:14 ± 0.774
Latitude 46.4350 ± 0.0315
Longitude 12.6640 ± 0.0729
Depth (km) 11 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 95309

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) 6595.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 253
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00947
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 2
Type of magnitude Md
Reference to an origin 95309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:29:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.TRI.Z. 1989-07-15T21:45:50.00 10.0 undecidable manual SN 133 1.0545 0.42 0.3
--.VOY.Z. 1989-07-15T21:45:47.60 10.0 undecidable manual SG 115 0.9324 1.14 0
--.RBL.Z. 1989-07-15T21:45:35.49 10.0 undecidable manual SG 89 0.6216 -0.73 0.1
--.TRI.Z. 1989-07-15T21:45:34.50 10.0 undecidable manual PN 133 1.0545 -0.18 1.2
--.VOY.Z. 1989-07-15T21:45:32.80 10.0 undecidable manual PG 115 0.9324 -0.09 1.4
--.RBL.Z. 1989-07-15T21:45:26.60 10.0 undecidable manual PG 89 0.6216 -0.37 1.1
--.FVI.Z. 1989-07-15T21:45:22.34 10.0 undecidable manual SG 26 0.1665 0.34 0.5
--.FVI.Z. 1989-07-15T21:45:18.85 10.0 negative manual PG 26 0.1665 0.09 3.3
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