Earthquake with magnitude of Md 2.4 on date 10-01-1985 and time 12:33:42 (Italy) in region 4 km NW Amaro (UD)

A magnitude Md 2.4 earthquake occured in region: 4 km NW Amaro (UD), on

  • 10-01-1985 11:33:42 (UTC)
  • 10-01-1985 12:33:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.4020, 13.0690 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
Amaro UD 4 823 823
Tolmezzo UD 4 10440 11263
Cavazzo Carnico UD 4 1052 12315
Verzegnis UD 6 863 13178
Zuglio UD 7 595 13773
Arta Terme UD 9 2171 15944
Venzone UD 9 2117 18061
Moggio Udinese UD 10 1714 19775
Bordano UD 10 754 20529
Lauco UD 11 729 21258
Villa Santina UD 11 2233 23491
Resiutta UD 12 309 23800
Trasaghis UD 13 2227 26027
Sutrio UD 14 1332 27359
Enemonzo UD 15 1319 28678
Paluzza UD 15 2217 30895
Treppo Carnico UD 15 618 31513
Paularo UD 15 2623 34136
Gemona del Friuli UD 15 10964 45100
Ligosullo UD 15 116 45216
Cercivento UD 15 679 45895
Preone UD 15 246 46141
Raveo UD 16 458 46599
Osoppo UD 16 2936 49535
Ravascletto UD 18 536 50071
Ovaro UD 18 1922 51993
Montenars UD 18 538 52531
Resia UD 19 1033 53564
Chiusaforte UD 19 672 54236
Socchieve UD 19 908 55144
Artegna UD 19 2885 58029
Dogna UD 20 175 58204
Comeglians UD 20 516 58720

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of Udine (99169 inhabitants)
59 Km NE of Pordenone (51229 inhabitants)
100 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 2.4 1985-01-10
11:33:42
46.402 13.069 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-10 11:33:42 ± 0.342
Latitude 46.4020 ± 0.0354
Longitude 13.0690 ± 0.0277
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 339

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) 4474.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.00931
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:05:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1985-01-10T11:34:03.50 10.0 undecidable manual PN 250 1.0323 0.99 0.6
--.RBL.Z. 1985-01-10T11:33:55.80 10.0 undecidable manual SG 83 0.3441 0.66 0.3
--.VOY.Z. 1985-01-10T11:33:54.90 10.0 undecidable manual PG 122 0.6771 -0.93 0.7
--.FO1.Z. 1985-01-10T11:33:53.00 10.0 undecidable manual SG 313 0.2664 0.09 0.8
--.RBL.Z. 1985-01-10T11:33:49.80 10.0 undecidable manual PG 83 0.3441 0.16 1.9
--.FO1.Z. 1985-01-10T11:33:48.00 10.0 undecidable manual PG 313 0.2664 -0.36 1.6
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