Earthquake with magnitude of Md 2.4 on date 15-04-1998 and time 07:44:21 (Italy) in region 4 km W Pulfero (UD)

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

  • 15-04-1998 05:44:21 (UTC)
  • 15-04-1998 07:44:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1890, 13.4330 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
Pulfero UD 4 962 962
Torreano UD 6 2139 3101
Faedis UD 8 2945 6046
San Pietro al Natisone UD 8 2171 8217
Savogna UD 8 411 8628
Attimis UD 10 1805 10433
Taipana UD 10 636 11069
San Leonardo UD 10 1129 12198
Cividale del Friuli UD 11 11292 23490
Moimacco UD 11 1675 25165
Povoletto UD 13 5471 30636
Grimacco UD 13 342 30978
Nimis UD 13 2740 33718
Stregna UD 13 356 34074
Remanzacco UD 14 6185 40259
Premariacco UD 15 4163 44422
Drenchia UD 15 115 44537
Reana del Rojale UD 15 4966 49503
Lusevera UD 16 643 50146
Prepotto UD 16 769 50915
Tarcento UD 16 9012 59927
Tricesimo UD 17 7600 67527
Dolegna del Collio GO 18 370 67897
Cassacco UD 19 2938 70835
Tavagnacco UD 19 14910 85745

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Udine (99169 inhabitants)
65 Km E of Pordenone (51229 inhabitants)
65 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 1998-04-15
05:44:21
46.189 13.433 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 334709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-04-15 05:44:21 ± 0.241
Latitude 46.1890 ± 0.0196
Longitude 13.4330 ± 0.0559
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 334709

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) 4826.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00194
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 334709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:13:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1998-04-15T05:44:44.00 10.0 undecidable manual PN 264 1.2432 -1.4 0.4
--.FVI.Z. 1998-04-15T05:44:44.44 10.0 undecidable manual SG 312 0.5994 0.65 0.3
--.TRI.Z. 1998-04-15T05:44:41.51 10.0 undecidable manual SG 154 0.5328 0.08 0.8
--.FVI.Z. 1998-04-15T05:44:34.89 10.0 undecidable manual PG 312 0.5994 0.52 1
--.TRI.Z. 1998-04-15T05:44:33.40 10.0 undecidable manual PG 154 0.5328 0.04 2
--.PTCC.Z. 1998-04-15T05:44:30.00 10.0 undecidable manual SG 345 0.2109 -0.28 0.5
--.PTCC.Z. 1998-04-15T05:44:26.50 10.0 undecidable manual PG 345 0.2109 -0.06 2
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