Earthquake with magnitude of Md 2.5 on date 25-06-1991 and time 13:24:15 (UTC) in region 5 km N Clauzetto (PN)

A magnitude Md 2.5 earthquake occured in region: 5 km N Clauzetto (PN), on

  • 25-06-1991 13:24:15 (UTC)
  • 25-06-1991 15:24:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2760, 12.9220 at 5 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
Clauzetto PN 5 380 380
Vito d'Asio PN 6 769 1149
Forgaria nel Friuli UD 7 1786 2935
Castelnovo del Friuli PN 9 880 3815
Travesio PN 10 1776 5591
Tramonti di Sotto PN 10 387 5978
Pinzano al Tagliamento PN 10 1525 7503
Tramonti di Sopra PN 11 321 7824
Ragogna UD 12 2909 10733
Trasaghis UD 12 2227 12960
Meduno PN 12 1574 14534
Osoppo UD 13 2936 17470
Cavazzo Carnico UD 14 1052 18522
Verzegnis UD 14 863 19385
Preone UD 14 246 19631
Sequals PN 14 2200 21831
San Daniele del Friuli UD 15 8013 29844
Cavasso Nuovo PN 15 1525 31369
Bordano UD 15 754 32123
Enemonzo UD 15 1319 33442
Majano UD 16 5945 39387
Villa Santina UD 16 2233 41620
Fanna PN 16 1583 43203
Socchieve UD 16 908 44111
Tolmezzo UD 16 10440 54551
Lauco UD 17 729 55280
Frisanco PN 17 622 55902
Gemona del Friuli UD 17 10964 66866
Amaro UD 17 823 67689
Buja UD 17 6563 74252
Arba PN 18 1309 75561
Venzone UD 18 2117 77678
Raveo UD 18 458 78136
Spilimbergo PN 18 12124 90260
Artegna UD 18 2885 93145
Ampezzo UD 19 1006 94151
Rive d'Arcano UD 19 2444 96595

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Udine (99169 inhabitants)
41 Km NE of Pordenone (51229 inhabitants)
85 Km NE of Treviso (83731 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
M 2.5
1991-06-25
13:24:15
46.276 12.922 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 144099
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-06-25 13:24:15 ± 0.253
Latitude 46.2760 ± 0.0168
Longitude 12.9220 ± 0.0225
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 144099

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) 2543.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.01611
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 144099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:14:32

M:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 144099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:29:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CEY.Z. 1991-06-25T13:24:58.89 10.0 undecidable manual SN! 116 1.1655 3.25 0
--.VBY.Z. 1991-06-25T13:24:49.91 10.0 undecidable manual PN! 114 1.7871 2.52 0
--.CTI.Z. 1991-06-25T13:24:47.38 10.0 undecidable manual SG 255 0.9102 -0.55 0.7
--.TRI.Z. 1991-06-25T13:24:44.20 10.0 undecidable manual SG 133 0.8103 -0.69 0.6
--.VOY.Z. 1991-06-25T13:24:42.39 10.0 undecidable manual SG 109 0.7104 0.68 0.6
--.CEY.Z. 1991-06-25T13:24:40.50 10.0 undecidable manual PN 116 1.1655 1.67 0.3
--.CTI.Z. 1991-06-25T13:24:34.84 10.0 undecidable manual PG 255 0.9102 0.46 1.9
--.TRI.Z. 1991-06-25T13:24:31.63 10.0 undecidable manual PG 133 0.8103 -0.99 1.1
--.VOY.Z. 1991-06-25T13:24:30.20 10.0 undecidable manual PG 109 0.7104 -0.59 1.7
--.FVI.Z. 1991-06-25T13:24:28.40 10.0 undecidable manual SG 342 0.3219 -0.37 0.8
--.FVI.Z. 1991-06-25T13:24:23.14 10.0 undecidable manual PG 342 0.3219 -0.17 2.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download