Earthquake with magnitude of Md 2.2 on date 12-04-1998 and time 12:32:01 (UTC) in region Confine Italia Slovenia (SLOVENIA)

A magnitude Md 2.2 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 12-04-1998 12:32:01 (UTC)
  • 12-04-1998 14:32:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2160, 13.5560 at 9 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
Savogna UD 6 411 411
Drenchia UD 7 115 526
Grimacco UD 7 342 868
Pulfero UD 7 962 1830
Stregna UD 10 356 2186
San Leonardo UD 11 1129 3315
San Pietro al Natisone UD 11 2171 5486
Torreano UD 13 2139 7625
Cividale del Friuli UD 17 11292 18917
Taipana UD 17 636 19553
Faedis UD 18 2945 22498
Moimacco UD 19 1675 24173
Attimis UD 20 1805 25978
Prepotto UD 20 769 26747

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Udine (99169 inhabitants)
65 Km N of Trieste (204420 inhabitants)
75 Km E of Pordenone (51229 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-VAX 1.5
1998-04-12
12:32:01
46.216 13.556 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 333949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-04-12 12:32:01 ± 0.632
Latitude 46.2160 ± 0.0260
Longitude 13.5560 ± 0.0673
Depth (km) 9 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 333949

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) 5927.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
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) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.01190
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 333949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:12:52

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 333949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1998-04-12T12:32:44.10 10.0 undecidable manual SN 263 1.3209 0.46 0.3
--.CTI.Z. 1998-04-12T12:32:25.58 10.0 undecidable manual PN 263 1.3209 -0.1 1.5
--.FVI.Z. 1998-04-12T12:32:23.96 10.0 undecidable manual SG 305 0.6438 -0.34 0.6
--.TRI.Z. 1998-04-12T12:32:19.32 10.0 undecidable manual SG 163 0.5217 -0.89 0.1
--.FVI.Z. 1998-04-12T12:32:14.43 10.0 undecidable manual PG 305 0.6438 -0.13 2.1
--.TRI.Z. 1998-04-12T12:32:12.71 10.0 undecidable manual PG 163 0.5217 0.51 1
--.PTCC.Z. 1998-04-12T12:32:11.37 10.0 undecidable manual SG 323 0.2331 0.52 0.4
--.PTCC.Z. 1998-04-12T12:32:06.61 10.0 undecidable manual PG 323 0.2331 -0.19 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