Earthquake with magnitude of Md 2.1 on date 04-02-1988 and time 19:42:14 (UTC) in region Confine Italia Austria (AUSTRIA)

A magnitude Md 2.1 earthquake occured in region: Confine Italia Austria (AUSTRIA), on

  • 04-02-1988 19:42:14 (UTC)
  • 04-02-1988 20:42:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.5860, 13.1820 at 25 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
Paularo UD 8 2623 2623
Ligosullo UD 10 116 2739
Treppo Carnico UD 12 618 3357
Pontebba UD 13 1433 4790
Paluzza UD 14 2217 7007
Cercivento UD 16 679 7686
Sutrio UD 17 1332 9018
Arta Terme UD 17 2171 11189
Zuglio UD 18 595 11784
Dogna UD 18 175 11959
Moggio Udinese UD 20 1714 13673

Municipalities with at least 50000 inhabitants

An earthquake occurred to
58 Km N of Udine (99169 inhabitants)
81 Km NE 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 2.1 1988-02-04
19:42:14
46.586 13.182 25 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 62439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-02-04 19:42:14 ± 0.299
Latitude 46.5860 ± 0.0423
Longitude 13.1820 ± 0.0160
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 62439

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) 4864.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 206
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.01060
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 62439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:59:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1988-02-04T19:42:50.60 10.0 undecidable manual SN 243 1.1766 0.29 0.1
--.CTI.Z. 1988-02-04T19:42:35.00 10.0 undecidable manual PN 243 1.1766 -0.2 0.8
--.RBL.Z. 1988-02-04T19:42:27.30 10.0 undecidable manual SG 118 0.2997 -0.23 0.4
--.FVI.Z. 1988-02-04T19:42:26.77 10.0 undecidable manual SG 271 0.2664 -0.05 0.9
--.RBL.Z. 1988-02-04T19:42:22.20 10.0 undecidable manual PG 118 0.2997 0.16 1.5
--.FVI.Z. 1988-02-04T19:42:21.68 10.0 undecidable manual PG 271 0.2664 0.04 2.3
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