Earthquake with magnitude of Md 2.3 on date 17-02-1988 and time 14:24:47 (UTC) in region 7 km NE Paularo (UD)

A magnitude Md 2.3 earthquake occured in region: 7 km NE Paularo (UD), on

  • 17-02-1988 14:24:47 (UTC)
  • 17-02-1988 15:24:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.5750, 13.1820 at 10 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 7 2623 2623
Ligosullo UD 9 116 2739
Treppo Carnico UD 12 618 3357
Pontebba UD 12 1433 4790
Paluzza UD 14 2217 7007
Cercivento UD 16 679 7686
Sutrio UD 16 1332 9018
Arta Terme UD 16 2171 11189
Zuglio UD 17 595 11784
Dogna UD 17 175 11959
Moggio Udinese UD 18 1714 13673

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km N of Udine (99169 inhabitants)
80 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 2.3
ML-VAX 1.5
1988-02-17
14:24:47
46.575 13.182 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 63199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-02-17 14:24:47 ± 0.142
Latitude 46.5750 ± 0.0213
Longitude 13.1820 ± 0.0082
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 63199

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) 2450.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
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
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 63199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:00:00

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 63199
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. 1988-02-17T14:25:25.93 10.0 undecidable manual SN 243 1.1766 -0.14 0.5
--.CTI.Z. 1988-02-17T14:25:09.94 10.0 undecidable manual PN 243 1.1766 0.17 1
--.FVI.Z. 1988-02-17T14:24:58.35 10.0 undecidable manual SG 273 0.2664 0.07 0.9
--.RBL.Z. 1988-02-17T14:24:58.65 10.0 undecidable manual SG 116 0.2997 -0.29 0.2
--.RBL.Z. 1988-02-17T14:24:54.23 10.0 undecidable manual PG 116 0.2997 0.13 1.8
--.FVI.Z. 1988-02-17T14:24:53.57 10.0 undecidable manual PG 273 0.2664 -0.16 1.6
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