Earthquake with magnitude of M 2.2 on date 21-02-1985 and time 11:39:41 (Italy) in region 2 km W Vallelaghi (TN)

A magnitude M 2.2 earthquake occured in region: 2 km W Vallelaghi (TN), on

  • 21-02-1985 10:39:41 (UTC)
  • 21-02-1985 11:39:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.07, 10.98 at 16 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
Vallelaghi TN 2 5044 5044
Madruzzo TN 5 2884 7928
San Lorenzo Dorsino TN 6 1599 9527
Molveno TN 8 1134 10661
Cavedine TN 9 2987 13648
Comano Terme TN 9 2956 16604
Stenico TN 10 1170 17774
Andalo TN 11 1076 18850
Trento TN 11 117317 136167
Garniga Terme TN 11 388 136555
Drena TN 12 570 137125
Bleggio Superiore TN 12 1568 138693
Cimone TN 13 728 139421
Fiavè TN 13 1117 140538
Zambana TN 13 1733 142271
Lavis TN 13 8915 151186
Cavedago TN 13 517 151703
Dro TN 13 4944 156647
Aldeno TN 14 3059 159706
Fai della Paganella TN 14 894 160600
Nave San Rocco TN 15 1398 161998
Tre Ville TN 15 1463 163461
Civezzano TN 16 4002 167463
Giovo TN 17 2513 169976
Pomarolo TN 17 2452 172428
Spormaggiore TN 17 1289 173717
Besenello TN 17 2654 176371
Bocenago TN 17 389 176760
Massimeno TN 17 127 176887
Nomi TN 18 1398 178285
Villa Lagarina TN 18 3778 182063
Calliano TN 18 1807 183870
Caderzone Terme TN 18 661 184531
Strembo TN 18 558 185089
Mezzolombardo TN 18 7067 192156
Giustino TN 18 751 192907
Nogaredo TN 18 2065 194972
San Michele all'Adige TN 18 3042 198014
Arco TN 18 17526 215540
Fornace TN 19 1355 216895
Volano TN 19 3169 220064
Albiano TN 19 1514 221578
Spiazzo TN 19 1265 222843
Pinzolo TN 19 3118 225961
Altopiano della Vigolana TN 19 4942 230903
Borgo Lares TN 19 698 231601
Sporminore TN 19 700 232301
Carisolo TN 20 978 233279
Mezzocorona TN 20 5446 238725
Pelugo TN 20 392 239117
Faedo TN 20 616 239733
Porte di Rendena TN 20 1796 241529
Tione di Trento TN 20 3635 245164

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km W of Trento (117317 inhabitants)
56 Km SW of Bolzano (106441 inhabitants)
71 Km N of Verona (258765 inhabitants)
73 Km NW of Vicenza (112953 inhabitants)
83 Km NE of Brescia (196480 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 M 2.2 1985-02-21
10:39:41
46.07 10.98 16 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 2149
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-21 10:39:41 ± 0.544
Latitude 46.07 ± 0.02
Longitude 10.98 ± 0.01
Depth (km) 16 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 2149

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) 2803
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00267
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

M:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 2149
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:50:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BAL.Z. 1985-02-21T10:39:54.30 10.0 undecidable manual SG 195 0.0027 0.87 0
--.DDS.Z. 1985-02-21T10:39:51.00 10.0 undecidable manual SG 142 0.0022 -0.6 0.1
--.RNI.Z. 1985-02-21T10:39:51.70 10.0 undecidable manual SG 248 0.0022 -0.04 0.6
--.PAN.Z. 1985-02-21T10:39:51.70 10.0 undecidable manual SG 95 0.002 0.44 0.2
--.BAL.Z. 1985-02-21T10:39:48.60 10.0 undecidable manual PG 195 0.0027 0.19 1.1
--.RNI.Z. 1985-02-21T10:39:47.20 10.0 undecidable manual PG 248 0.0022 -0.24 1.1
--.PAG.Z. 1985-02-21T10:39:47.20 10.0 undecidable manual SG 34 0.0006 -0.19 0.5
--.PAN.Z. 1985-02-21T10:39:47.40 10.0 undecidable manual PG 95 0.002 0.24 1.1
--.DDS.Z. 1985-02-21T10:39:47.10 10.0 negative manual PG 142 0.0022 -0.26 2.1
--.PAG.Z. 1985-02-21T10:39:45.00 10.0 undecidable manual PG 34 0.0006 0.07 3.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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