INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of Md 2.7 on date 01-02-1988 and time 15:22:19 (UTC) in region 2 km W Bordano (UD)

A magnitude Md 2.7 earthquake occured in region: 2 km W Bordano (UD), on

  • 01-02-1988 15:22:19 (UTC)
  • 01-02-1988 16:22:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.31, 13.08 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
Bordano UD 2 754 754
Trasaghis UD 4 2227 2981
Venzone UD 5 2117 5098
Gemona del Friuli UD 6 10964 16062
Osoppo UD 7 2936 18998
Amaro UD 7 823 19821
Cavazzo Carnico UD 7 1052 20873
Artegna UD 10 2885 23758
Montenars UD 10 538 24296
Verzegnis UD 11 863 25159
Tolmezzo UD 12 10440 35599
Magnano in Riviera UD 12 2336 37935
Buja UD 12 6563 44498
Vito d'Asio PN 13 769 45267
Forgaria nel Friuli UD 13 1786 47053
Resiutta UD 14 309 47362
Moggio Udinese UD 14 1714 49076
Majano UD 14 5945 55021
Lusevera UD 15 643 55664
Treppo Grande UD 15 1708 57372
Tarcento UD 15 9012 66384
Clauzetto PN 16 380 66764
Villa Santina UD 17 2233 68997
Lauco UD 17 729 69726
Colloredo di Monte Albano UD 17 2223 71949
Zuglio UD 17 595 72544
Ragogna UD 17 2909 75453
Cassacco UD 17 2938 78391
Pinzano al Tagliamento PN 18 1525 79916
San Daniele del Friuli UD 18 8013 87929
Arta Terme UD 18 2171 90100
Resia UD 18 1033 91133
Castelnovo del Friuli PN 19 880 92013
Preone UD 19 246 92259
Enemonzo UD 19 1319 93578
Nimis UD 19 2740 96318
Tricesimo UD 20 7600 103918

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Udine (99169 inhabitants)
52 Km NE of Pordenone (51229 inhabitants)
91 Km NW of Trieste (204420 inhabitants)
97 Km NE of Treviso (83731 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 2.7
M 2.2
1988-02-01
15:22:19
46.31 13.08 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 62069
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-02-01 15:22:19 ± 0.207
Latitude 46.31 ± 0.01
Longitude 13.08 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 62069

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) 2040.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.00923
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 62069
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:59:02

M:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 62069
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:44:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.KBA.Z. 1988-02-01T15:22:46.00 10.0 undecidable manual SG 12 0.007 -0.64 0.2
--.TRI.Z. 1988-02-01T15:22:45.50 10.0 undecidable manual SG 141 0.0069 -0.57 0.2
--.CTI.Z. 1988-02-01T15:22:40.00 10.0 undecidable manual PG 255 0.0092 0.34 0.8
--.KBA.Z. 1988-02-01T15:22:35.30 10.0 positive manual PG 12 0.007 0.12 2.7
--.TRI.Z. 1988-02-01T15:22:34.50 10.0 undecidable manual PG 141 0.0069 -0.36 0.9
--.RBL.Z. 1988-02-01T15:22:33.28 10.0 undecidable manual SG 68 0.0032 0.37 0.4
--.FVI.Z. 1988-02-01T15:22:31.85 10.0 undecidable manual SG 323 0.0031 -0.8 0.1
--.FVI.Z. 1988-02-01T15:22:27.17 10.0 negative manual PG 323 0.0031 0.07 3.1
--.RBL.Z. 1988-02-01T15:22:27.69 10.0 undecidable manual PG 68 0.0032 0.43 0.8
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