Earthquake with magnitude of Md 2.5 on date 04-05-1988 and time 20:21:56 (Italy) in region 2 km NE Moggio Udinese (UD)

A magnitude Md 2.5 earthquake occured in region: 2 km NE Moggio Udinese (UD), on

  • 04-05-1988 18:21:56 (UTC)
  • 04-05-1988 20:21:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4200, 13.2170 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
Moggio Udinese UD 2 1714 1714
Resiutta UD 3 309 2023
Chiusaforte UD 7 672 2695
Dogna UD 8 175 2870
Resia UD 9 1033 3903
Amaro UD 11 823 4726
Venzone UD 11 2117 6843
Pontebba UD 12 1433 8276
Bordano UD 14 754 9030
Paularo UD 15 2623 11653
Cavazzo Carnico UD 15 1052 12705
Zuglio UD 15 595 13300
Tolmezzo UD 16 10440 23740
Arta Terme UD 16 2171 25911
Gemona del Friuli UD 17 10964 36875
Ligosullo UD 17 116 36991
Verzegnis UD 17 863 37854
Lusevera UD 18 643 38497
Montenars UD 18 538 39035
Treppo Carnico UD 18 618 39653
Trasaghis UD 19 2227 41880
Paluzza UD 20 2217 44097
Malborghetto Valbruna UD 20 951 45048

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km N of Udine (99169 inhabitants)
67 Km NE of Pordenone (51229 inhabitants)
96 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 2.5
ML-VAX 1.8
1988-05-04
18:21:56
46.42 13.217 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 68769
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-05-04 18:21:56 ± 0.467
Latitude 46.4200 ± 0.0479
Longitude 13.2170 ± 0.0548
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 68769

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) 6782.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.01028
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 68769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:05:09

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 68769
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. 1988-05-04T18:22:35.20 10.0 undecidable manual SN 251 1.1433 1.14 0.2
--.TRI.Z. 1988-05-04T18:22:23.65 10.0 undecidable manual SG 151 0.7992 -0.3 0.8
--.VOY.Z. 1988-05-04T18:22:19.30 10.0 undecidable manual SG 129 0.5994 1.7 0.1
--.CTI.Z. 1988-05-04T18:22:18.30 10.0 undecidable manual PN 251 1.1433 0.09 1.7
--.TRI.Z. 1988-05-04T18:22:11.00 10.0 undecidable manual PG 151 0.7992 -1.21 0.6
--.FVI.Z. 1988-05-04T18:22:09.47 10.0 undecidable manual SG 299 0.3441 0.25 0.8
--.VOY.Z. 1988-05-04T18:22:08.70 10.0 undecidable manual PG 129 0.5994 0.16 2.1
--.FVI.Z. 1988-05-04T18:22:03.13 10.0 undecidable manual PG 299 0.3441 -0.57 1.7
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