Earthquake with magnitude of Md 2.5 on date 23-11-1986 and time 19:59:29 (Italy) in region 3 km W Folgaria (TN)

A magnitude Md 2.5 earthquake occured in region: 3 km W Folgaria (TN), on

  • 23-11-1986 18:59:29 (UTC)
  • 23-11-1986 19:59:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.9080, 11.1350 at 4 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
Folgaria TN 3 3191 3191
Terragnolo TN 4 716 3907
Calliano TN 4 1807 5714
Besenello TN 5 2654 8368
Nomi TN 5 1398 9766
Volano TN 6 3169 12935
Trambileno TN 6 1452 14387
Rovereto TN 7 39289 53676
Pomarolo TN 7 2452 56128
Villa Lagarina TN 8 3778 59906
Aldeno TN 9 3059 62965
Nogaredo TN 9 2065 65030
Cimone TN 9 728 65758
Isera TN 10 2735 68493
Lastebasse VI 11 208 68701
Lavarone TN 11 1138 69839
Garniga Terme TN 12 388 70227
Altopiano della Vigolana TN 12 4942 75169
Pedemonte VI 13 774 75943
Caldonazzo TN 14 3631 79574
Calceranica al Lago TN 14 1387 80961
Mori TN 14 9678 90639
Vallarsa TN 14 1395 92034
Laghi VI 14 133 92167
Ronzo-Chienis TN 14 976 93143
Luserna TN 15 276 93419
Tenna TN 16 993 94412
Cavedine TN 16 2987 97399
Posina VI 16 566 97965
Drena TN 16 570 98535
Brentonico TN 17 4015 102550
Tonezza del Cimone VI 17 521 103071
Levico Terme TN 17 7915 110986
Madruzzo TN 17 2884 113870
Valdastico VI 18 1297 115167
Trento TN 18 117317 232484
Dro TN 18 4944 237428
Pergine Valsugana TN 19 21280 258708
Vignola-Falesina TN 19 162 258870
Arco TN 19 17526 276396
Ala TN 20 8913 285309

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Trento (117317 inhabitants)
51 Km NW of Vicenza (112953 inhabitants)
53 Km N of Verona (258765 inhabitants)
68 Km S of Bolzano (106441 inhabitants)
80 Km NW of Padova (210401 inhabitants)
82 Km E of Brescia (196480 inhabitants)
90 Km W 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
Bulletin
Rev1000
Md 2.5 1986-11-23
18:59:29
45.908 11.135 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 37329
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-11-23 18:59:29 ± 0.369
Latitude 45.9080 ± 0.0484
Longitude 11.1350 ± 0.0300
Depth (km) 4 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 37329

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) 5862.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00340
Epicentral distance of station farthest from the epicenter (degree) 0.01587
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 37329
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:37:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.RBL.Z. 1986-11-23T19:00:22.00 10.0 undecidable manual SN 71 1.7649 -1.59 0
--.VAI.Z. 1986-11-23T19:00:20.50 10.0 undecidable manual SN 269 1.6317 -0.23 0.6
--.FO1.Z. 1986-11-23T19:00:13.00 10.0 undecidable manual SN 58 1.3209 -0.19 0.7
--.MDI.Z. 1986-11-23T19:00:04.50 10.0 undecidable manual SG 263 0.999 -0.13 0.8
--.RBL.Z. 1986-11-23T19:00:01.00 10.0 undecidable manual PN 71 1.7649 0.3 1.4
--.VAI.Z. 1986-11-23T18:59:59.00 10.0 undecidable manual PN 269 1.6317 -0.05 1.6
--.FO1.Z. 1986-11-23T18:59:56.00 10.0 undecidable manual PN 58 1.3209 1.3 0.3
--.SAL.Z. 1986-11-23T18:59:50.00 10.0 undecidable manual SG 235 0.5106 0.76 0.4
--.MDI.Z. 1986-11-23T18:59:49.50 10.0 undecidable manual PG 263 0.999 -0.25 1.9
--.CTI.Z. 1986-11-23T18:59:43.50 10.0 undecidable manual SG 68 0.3774 -0.77 0.4
--.SAL.Z. 1986-11-23T18:59:40.50 10.0 undecidable manual PG 235 0.5106 -0.37 1.7
--.CTI.Z. 1986-11-23T18:59:38.00 10.0 undecidable manual PG 68 0.3774 0.01 2.1
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