Earthquake with magnitude of Md 2.1 on date 01-12-1993 and time 10:10:14 (UTC) in region 1 km SW Preone (UD)

A magnitude Md 2.1 earthquake occured in region: 1 km SW Preone (UD), on

  • 01-12-1993 10:10:14 (UTC)
  • 01-12-1993 11:10:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3890, 12.8570 at 5 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
Preone UD 1 246 246
Socchieve UD 3 908 1154
Enemonzo UD 3 1319 2473
Raveo UD 5 458 2931
Ampezzo UD 6 1006 3937
Villa Santina UD 6 2233 6170
Lauco UD 7 729 6899
Tramonti di Sopra PN 10 321 7220
Verzegnis UD 11 863 8083
Ovaro UD 11 1922 10005
Tolmezzo UD 12 10440 20445
Tramonti di Sotto PN 12 387 20832
Comeglians UD 14 516 21348
Forni di Sotto UD 14 600 21948
Sauris UD 14 416 22364
Cavazzo Carnico UD 14 1052 23416
Prato Carnico UD 15 904 24320
Zuglio UD 15 595 24915
Arta Terme UD 16 2171 27086
Ravascletto UD 16 536 27622
Sutrio UD 17 1332 28954
Rigolato UD 18 448 29402
Clauzetto PN 18 380 29782
Amaro UD 18 823 30605
Cercivento UD 19 679 31284
Vito d'Asio PN 19 769 32053
Meduno PN 20 1574 33627
Paluzza UD 20 2217 35844

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NW of Udine (99169 inhabitants)
51 Km NE of Pordenone (51229 inhabitants)
93 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 2.1 1993-12-01
10:10:14
46.389 12.857 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 201079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-12-01 10:10:14 ± 0.48
Latitude 46.3890 ± 0.0205
Longitude 12.8570 ± 0.0467
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 201079

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) 4241.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00826
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 201079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:09:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.TRI.Z. 1993-12-01T10:10:47.80 10.0 undecidable manual SG 136 0.9213 0.44 0.4
--.VOY.Z. 1993-12-01T10:10:43.19 10.0 undecidable manual SG 116 0.7992 -0.14 0.5
--.KBA.Z. 1993-12-01T10:10:41.50 10.0 undecidable manual SG 25 0.7659 -0.73 0.3
--.TRI.Z. 1993-12-01T10:10:32.60 10.0 undecidable manual PG 136 0.9213 -0.98 0.2
--.VOY.Z. 1993-12-01T10:10:31.70 10.0 positive manual PG 116 0.7992 0.44 1.9
--.KBA.Z. 1993-12-01T10:10:30.80 10.0 positive manual PG 25 0.7659 0.18 2.7
--.FVI.Z. 1993-12-01T10:10:23.50 10.0 undecidable manual SG 345 0.2109 0.39 0.5
--.FVI.Z. 1993-12-01T10:10:19.50 10.0 undecidable manual PG 345 0.2109 -0.08 1.5
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