Earthquake with magnitude of Md 2.5 on date 21-03-1990 and time 23:04:23 (UTC) in region 2 km W Longarone (BL)

A magnitude Md 2.5 earthquake occured in region: 2 km W Longarone (BL), on

  • 21-03-1990 23:04:23 (UTC)
  • 22-03-1990 00:04:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.2620, 12.2790 at 15 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
Longarone BL 2 5359 5359
Soverzene BL 7 389 5748
Erto e Casso PN 8 387 6135
Ospitale di Cadore BL 8 292 6427
Ponte nelle Alpi BL 10 8363 14790
Alpago BL 12 6994 21784
Cimolais PN 13 397 22181
Chies d'Alpago BL 13 1377 23558
Belluno BL 14 35870 59428
Cibiana di Cadore BL 15 393 59821
Zoppè di Cadore BL 16 229 60050
Perarolo di Cadore BL 16 380 60430
La Valle Agordina BL 16 1108 61538
Val di Zoldo BL 17 3242 64780
Vodo Cadore BL 18 853 65633
Valle di Cadore BL 18 1964 67597
Claut PN 18 956 68553
Tambre BL 18 1371 69924
Agordo BL 19 4124 74048
Rivamonte Agordino BL 20 634 74682
Limana BL 20 5209 79891

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NW of Pordenone (51229 inhabitants)
66 Km N of Treviso (83731 inhabitants)
76 Km E of Bolzano (106441 inhabitants)
77 Km W of Udine (99169 inhabitants)
92 Km E of Trento (117317 inhabitants)
92 Km N of Venezia (263352 inhabitants)
98 Km NE of Vicenza (112953 inhabitants)
100 Km NE of Padova (210401 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 1.7
1990-03-21
23:04:23
46.262 12.279 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 112629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-03-21 23:04:23 ± 0.19
Latitude 46.2620 ± 0.0364
Longitude 12.2790 ± 0.0309
Depth (km) 15 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 112629

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) 4696.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00429
Epicentral distance of station farthest from the epicenter (degree) 0.01052
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 4
Type of magnitude Md
Reference to an origin 112629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:44:39

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 112629
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
--.TRI.Z. 1990-03-21T23:05:00.79 10.0 undecidable manual SN 118 1.1655 -0.3 0.6
--.RBL.Z. 1990-03-21T23:04:55.15 10.0 undecidable manual SG 78 0.8991 0.33 0.7
--.TRI.Z. 1990-03-21T23:04:45.10 10.0 undecidable manual PN 118 1.1655 -0.21 1.7
--.RBL.Z. 1990-03-21T23:04:42.55 10.0 undecidable manual PG 78 0.8991 0.85 0.5
--.FVI.Z. 1990-03-21T23:04:41.90 10.0 undecidable manual SG 46 0.4773 -0.06 0.9
--.CTI.Z. 1990-03-21T23:04:41.97 10.0 undecidable manual SG 244 0.4773 0.65 0.4
--.CTI.Z. 1990-03-21T23:04:33.51 10.0 undecidable manual PG 244 0.4773 -0.39 1.7
--.FVI.Z. 1990-03-21T23:04:33.28 10.0 undecidable manual PG 46 0.4773 -0.52 1.4
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