Earthquake with magnitude of Md 2.2 on date 29-10-1999 and time 23:50:33 (Italy) in region 5 km NW Pulfero (UD)

A magnitude Md 2.2 earthquake occured in region: 5 km NW Pulfero (UD), on

  • 29-10-1999 21:50:33 (UTC)
  • 29-10-1999 23:50:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2010, 13.4380 at 4 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
Pulfero UD 5 962 962
Torreano UD 8 2139 3101
Savogna UD 9 411 3512
San Pietro al Natisone UD 9 2171 5683
Faedis UD 9 2945 8628
Taipana UD 9 636 9264
Attimis UD 10 1805 11069
San Leonardo UD 11 1129 12198
Cividale del Friuli UD 12 11292 23490
Moimacco UD 13 1675 25165
Grimacco UD 13 342 25507
Nimis UD 13 2740 28247
Stregna UD 14 356 28603
Povoletto UD 14 5471 34074
Drenchia UD 15 115 34189
Lusevera UD 15 643 34832
Remanzacco UD 15 6185 41017
Reana del Rojale UD 16 4966 45983
Premariacco UD 16 4163 50146
Tarcento UD 17 9012 59158
Prepotto UD 18 769 59927
Tricesimo UD 18 7600 67527
Dolegna del Collio GO 19 370 67897
Cassacco UD 20 2938 70835

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Udine (99169 inhabitants)
66 Km E of Pordenone (51229 inhabitants)
66 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 2.2 1999-10-29
21:50:33
46.201 13.438 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 376329
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-10-29 21:50:33 ± 0.077
Latitude 46.2010 ± 0.0065
Longitude 13.4380 ± 0.0127
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 376329

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) 1218.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.01117
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 376329
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:53:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1999-10-29T21:50:58.00 10.0 undecidable manual PN 263 1.2432 0.02 1.1
--.FVI.Z. 1999-10-29T21:50:56.22 10.0 undecidable manual SG 311 0.5883 0.04 0.7
--.TRI.Z. 1999-10-29T21:50:54.41 10.0 undecidable manual SG 155 0.5439 0.1 0.4
--.FVI.Z. 1999-10-29T21:50:46.66 10.0 undecidable manual PG 311 0.5883 -0.06 1.5
--.TRI.Z. 1999-10-29T21:50:45.56 10.0 undecidable manual PG 155 0.5439 -0.07 1.4
--.PTCC.Z. 1999-10-29T21:50:41.99 10.0 undecidable manual SG 343 0.2109 -0.09 0.5
--.PTCC.Z. 1999-10-29T21:50:38.66 10.0 undecidable manual PG 343 0.2109 0.08 1.4
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