Earthquake with magnitude of Md 2.3 on date 04-02-1988 and time 20:36:32 (Italy) in region 6 km NW Moggio Udinese (UD)

A magnitude Md 2.3 earthquake occured in region: 6 km NW Moggio Udinese (UD), on

  • 04-02-1988 19:36:32 (UTC)
  • 04-02-1988 20:36:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.45, 13.14 at 1 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
Moggio Udinese UD 6 1714 1714
Zuglio UD 8 595 2309
Arta Terme UD 9 2171 4480
Amaro UD 9 823 5303
Resiutta UD 9 309 5612
Paularo UD 9 2623 8235
Tolmezzo UD 10 10440 18675
Ligosullo UD 11 116 18791
Cavazzo Carnico UD 12 1052 19843
Treppo Carnico UD 12 618 20461
Verzegnis UD 13 863 21324
Venzone UD 13 2117 23441
Paluzza UD 13 2217 25658
Sutrio UD 13 1332 26990
Dogna UD 14 175 27165
Chiusaforte UD 14 672 27837
Cercivento UD 14 679 28516
Pontebba UD 14 1433 29949
Bordano UD 15 754 30703
Resia UD 16 1033 31736
Lauco UD 16 729 32465
Villa Santina UD 17 2233 34698
Ravascletto UD 18 536 35234
Trasaghis UD 19 2227 37461
Gemona del Friuli UD 19 10964 48425

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km N of Udine (99169 inhabitants)
66 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
Rev 1000 Md 2.3 1988-02-04
19:36:32
46.45 13.14 1 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 62419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-02-04 19:36:32 ± 0.258
Latitude 46.45 ± 0.04
Longitude 13.14 ± 0.02
Depth (km) 1 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 62419

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) 4910.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
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) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.00988
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 62419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:59:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CTI.Z. 1988-02-04T19:37:11.81 10.0 undecidable manual SG 249 0.0099 -0.12 0.5
--.CTI.Z. 1988-02-04T19:36:55.49 10.0 undecidable manual PG 249 0.0099 0.09 1.5
--.RBL.Z. 1988-02-04T19:36:44.51 10.0 undecidable manual SG 91 0.0027 0.24 0.3
--.FVI.Z. 1988-02-04T19:36:43.60 10.0 undecidable manual SG 300 0.0025 -0.16 0.6
--.RBL.Z. 1988-02-04T19:36:39.24 10.0 undecidable manual PG 91 0.0027 -0.19 1.2
--.FVI.Z. 1988-02-04T19:36:39.25 10.0 undecidable manual PG 300 0.0025 0.11 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download