Earthquake with magnitude of M 2.7 on date 22-02-1985 and time 10:36:18 (Italy) in region 2 km NE Ala (TN)

A magnitude M 2.7 earthquake occured in region: 2 km NE Ala (TN), on

  • 22-02-1985 09:36:18 (UTC)
  • 22-02-1985 10:36:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.77, 11.02 at 10 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
Ala TN 2 8913 8913
Avio TN 7 4133 13046
Vallarsa TN 8 1395 14441
Brentonico TN 8 4015 18456
Mori TN 10 9678 28134
Trambileno TN 12 1452 29586
Rovereto TN 13 39289 68875
Isera TN 13 2735 71610
Erbezzo VR 14 740 72350
Ronzo-Chienis TN 15 976 73326
Terragnolo TN 16 716 74042
Nogaredo TN 16 2065 76107
Brentino Belluno VR 16 1395 77502
Nago-Torbole TN 16 2867 80369
Bosco Chiesanuova VR 16 3600 83969
Villa Lagarina TN 17 3778 87747
Ferrara di Monte Baldo VR 17 226 87973
Sant'Anna d'Alfaedo VR 17 2553 90526
Malcesine VR 17 3736 94262
Volano TN 17 3169 97431
Recoaro Terme VI 17 6453 103884
Pomarolo TN 18 2452 106336
Nomi TN 18 1398 107734
Limone sul Garda BS 19 1181 108915
Posina VI 19 566 109481
Valli del Pasubio VI 19 3242 112723
Velo Veronese VR 19 770 113493
Riva del Garda TN 19 16926 130419
Calliano TN 19 1807 132226
Selva di Progno VR 20 933 133159
Roverè Veronese VR 20 2115 135274
Arco TN 20 17526 152800

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km S of Trento (117317 inhabitants)
37 Km N of Verona (258765 inhabitants)
48 Km NW of Vicenza (112953 inhabitants)
67 Km E of Brescia (196480 inhabitants)
78 Km NW of Padova (210401 inhabitants)
85 Km SW of Bolzano (106441 inhabitants)
96 Km W of Treviso (83731 inhabitants)
98 Km NW of Rovigo (51867 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 2.7 1985-02-22
09:36:18
45.77 11.02 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 2179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-22 09:36:18 ± 0.354
Latitude 45.77 ± 0.03
Longitude 11.02 ± 0.01
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 2179

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) 3273.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00542
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

M:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 2179
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
--.CAV.Z. 1985-02-22T09:36:40.40 10.0 undecidable manual SG 29 0.0054 0.79 0.1
--.CTI.Z. 1985-02-22T09:36:36.00 10.0 undecidable manual SG 57 0.0046 -0.77 0
--.SAV.Z. 1985-02-22T09:36:35.50 10.0 undecidable manual SG 264 0.0045 -0.96 0
--.RNI.Z. 1985-02-22T09:36:31.20 10.0 undecidable manual SG 308 0.003 0.15 0.7
--.PAN.Z. 1985-02-22T09:36:31.20 10.0 undecidable manual SG 35 0.0031 0.03 0.8
--.CAV.Z. 1985-02-22T09:36:30.70 10.0 undecidable manual PG 29 0.0054 0.16 0.9
--.CTI.Z. 1985-02-22T09:36:29.00 10.0 undecidable manual PG 57 0.0046 0.1 1
--.SAV.Z. 1985-02-22T09:36:29.50 10.0 undecidable manual PG 264 0.0045 0.78 0.1
--.PAN.Z. 1985-02-22T09:36:25.50 10.0 undecidable manual PG 35 0.0031 -0.17 2.3
--.RNI.Z. 1985-02-22T09:36:25.30 10.0 negative manual PG 308 0.003 -0.3 1.8
--.DDS.Z. 1985-02-22T09:36:24.90 10.0 undecidable manual SG 45 0.0014 -0.23 0.6
--.BAL.Z. 1985-02-22T09:36:23.40 10.0 undecidable manual SG 275 0.001 -0.2 0.7
--.DDS.Z. 1985-02-22T09:36:22.20 10.0 positive manual PG 45 0.0014 0.02 2.6
--.BAL.Z. 1985-02-22T09:36:21.40 10.0 undecidable manual PG 275 0.001 0.1 2.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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