Earthquake with magnitude of ML 1.5 on date 20-12-2010 and time 20:53:52 (UTC) in region V3 Tarvisio (ITALIA, AUSTRIA, SLOVENIA)

A magnitude ML 1.5 earthquake occured in region: V3 Tarvisio (ITALIA, AUSTRIA, SLOVENIA), on

  • 20-12-2010 20:53:52 (UTC)
  • 20-12-2010 21:53:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.6000, 13.7910 at 7 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
Tarvisio UD 20 4326 4326

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km NE of Udine (99169 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 2.2
ML 1.5
2010-12-20
20:53:52
46.6 13.791 7 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1152679
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-12-20 20:53:52 ± 0.43
Latitude 46.6000 ± 0.0180
Longitude 13.7910 ± 0.0249
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1152679

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2046
Semi-minor axis of confidence ellipse (meter) 1801
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 2758.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 280
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.19695
Epicentral distance of station farthest from the epicenter (degree) 0.69428
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1152679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:25:27

Md:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1152679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:25:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.SABO.HHE. 2010-12-20T20:54:14.97 0.6 undecidable manual Sg 190 68.9754 0.308 43
NI.VINO.HHZ. 2010-12-20T20:54:10.83 0.6 undecidable manual Sg 226 55.0005 -0.102 46
IV.FVI.HHE. 2010-12-20T20:54:06.99 0.3 undecidable manual Pg 270 77.0673 0.255 64
NI.SABO.HHE. 2010-12-20T20:54:05.53 0.3 undecidable manual Pg 190 68.9754 0.035 68
NI.VINO.HHZ. 2010-12-20T20:54:02.98 0.1 undecidable manual Pg 226 55.0005 -0.366 87
NI.ACOM.HHZ. 2010-12-20T20:54:01.04 0.3 undecidable manual Sg 255 21.867 0.044 74
NI.ACOM.HHZ. 2010-12-20T20:53:57.60 0.1 undecidable manual Pg 255 21.867 -0.005 100
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