ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of Md 3.3 on date 02-12-1985 and time 11:09:26 (Italy) in region 4 km SW Ledro (TN)

A magnitude Md 3.3 earthquake occured in region: 4 km SW Ledro (TN), on

  • 02-12-1985 10:09:26 (UTC)
  • 02-12-1985 11:09:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.86, 10.72 at 3 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
Ledro TN 4 5395 5395
Limone sul Garda BS 7 1181 6576
Riva del Garda TN 10 16926 23502
Borgo Chiese TN 10 2029 25531
Tremosine sul Garda BS 10 2100 27631
Storo TN 11 4682 32313
Pieve di Bono-Prezzo TN 11 1474 33787
Castel Condino TN 11 229 34016
Tenno TN 11 2069 36085
Magasa BS 11 142 36227
Nago-Torbole TN 12 2867 39094
Malcesine VR 12 3736 42830
Valdaone TN 13 1205 44035
Tignale BS 13 1256 45291
Valvestino BS 14 184 45475
Bondone TN 14 670 46145
Sella Giudicarie TN 15 2943 49088
Arco TN 15 17526 66614
Brenzone sul Garda VR 17 2474 69088
Capovalle BS 18 369 69457
Ronzo-Chienis TN 18 976 70433
Brentonico TN 19 4015 74448
Gargnano BS 19 2934 77382
Dro TN 19 4944 82326
Fiavè TN 19 1117 83443
Tione di Trento TN 20 3635 87078
Bagolino BS 20 3897 90975
Borgo Lares TN 20 698 91673
Mori TN 20 9678 101351

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SW of Trento (117317 inhabitants)
51 Km NW of Verona (258765 inhabitants)
52 Km NE of Brescia (196480 inhabitants)
73 Km W of Vicenza (112953 inhabitants)
83 Km E of Bergamo (119381 inhabitants)
87 Km SW of Bolzano (106441 inhabitants)
97 Km NE of Cremona (71901 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 3.3 1985-12-02
10:09:26
45.86 10.72 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 17239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-12-02 10:09:26 ± 0.237
Latitude 45.86 ± 0.01
Longitude 10.72 ± 0.02
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 17239

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) 1844.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.04298
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitude information

Md:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 17239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:20:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LBF.Z. 1985-12-02T10:10:39.70 10.0 undecidable manual PN 286 0.043 0.76 0.5
--.ROB.Z. 1985-12-02T10:10:37.10 10.0 undecidable manual SN 233 0.0228 -1.8 0
--.BDI.Z. 1985-12-02T10:10:21.50 10.0 undecidable manual SN 182 0.0161 0.3 0.6
--.BSF.Z. 1985-12-02T10:10:20.00 10.0 undecidable manual PN 307 0.03 0.91 0.6
--.ASS.Z. 1985-12-02T10:10:16.00 10.0 undecidable manual PN 153 0.028 -0.08 1.2
--.FO1.Z. 1985-12-02T10:10:16.50 10.0 undecidable manual SN 61 0.0144 -0.17 0.7
--.ARV.Z. 1985-12-02T10:10:13.50 10.0 undecidable manual PN 145 0.0255 1.22 0.4
--.CO9.Z. 1985-12-02T10:10:12.00 10.0 undecidable manual SN 219 0.0126 -0.02 0.7
--.LPG.Z. 1985-12-02T10:10:11.00 10.0 undecidable manual PN 264 0.0251 -0.69 0.8
--.IMP.Z. 1985-12-02T10:10:10.60 10.0 undecidable manual PN 227 0.025 -0.98 0.6
--.DA9.Z. 1985-12-02T10:10:10.50 10.0 undecidable manual PN 242 0.0251 -1.22 0.4
--.ROB.Z. 1985-12-02T10:10:08.40 10.0 undecidable manual PN 233 0.0228 0.2 1.3
--.FIN.Z. 1985-12-02T10:10:06.20 10.0 undecidable manual PN 228 0.0218 -0.36 1.2
--.CKI.Z. 1985-12-02T10:10:05.00 10.0 undecidable manual PN 231 0.0202 0.9 0.7
--.PS9.Z. 1985-12-02T10:10:03.00 10.0 undecidable manual PN 183 0.0192 0.31 1.4
--.TRI.Z. 1985-12-02T10:10:02.00 10.0 undecidable manual PN 92 0.0191 -0.53 1.2
--.RBL.Z. 1985-12-02T10:10:02.00 10.0 undecidable manual PN 72 0.0185 0.44 1.3
--.ORO.Z. 1985-12-02T10:10:01.00 10.0 undecidable manual PN 264 0.0172 1.25 0.4
--.BDI.Z. 1985-12-02T10:09:59.00 10.0 positive manual PN 182 0.0161 1.03 1.3
--.FO1.Z. 1985-12-02T10:09:56.50 10.0 undecidable manual PN 61 0.0144 1.14 0.6
--.CO9.Z. 1985-12-02T10:09:53.00 10.0 undecidable manual PN 219 0.0126 0.33 1.6
--.VAI.Z. 1985-12-02T10:09:52.00 10.0 undecidable manual PN 271 0.0121 0.04 1.7
--.MDI.Z. 1985-12-02T10:09:51.00 10.0 undecidable manual SG 264 0.0063 -1.12 0.4
--.CAE.Z. 1985-12-02T10:09:49.20 10.0 undecidable manual PN 82 0.0108 -0.64 1.2
--.ERT.Z. 1985-12-02T10:09:49.50 10.0 undecidable manual PN 69 0.011 -0.63 1.2
--.MDI.Z. 1985-12-02T10:09:40.00 10.0 undecidable manual PG 264 0.0063 -1.18 0.5
--.CAV.Z. 1985-12-02T10:09:40.20 10.0 undecidable manual PG 49 0.0061 -0.39 1.5
--.CTI.Z. 1985-12-02T10:09:39.80 10.0 positive manual PG 73 0.006 -0.77 2.1
--.PAN.Z. 1985-12-02T10:09:35.90 10.0 undecidable manual PG 64 0.004 -0.41 1.5
--.PAG.Z. 1985-12-02T10:09:34.40 10.0 undecidable manual PG 38 0.0032 0.14 1.7
--.DDS.Z. 1985-12-02T10:09:33.20 10.0 undecidable manual PG 85 0.0029 -0.34 1.5
--.SAL.Z. 1985-12-02T10:09:32.00 10.0 undecidable manual PG 208 0.0025 -0.57 1.3
--.BAL.Z. 1985-12-02T10:09:31.30 10.0 undecidable manual SG 127 0.0011 0.13 0.7
--.RNI.Z. 1985-12-02T10:09:30.30 10.0 undecidable manual PG 337 0.0012 0.96 0.8
--.BAL.Z. 1985-12-02T10:09:29.30 10.0 undecidable manual PG 127 0.0011 0.21 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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