Earthquake with magnitude of M 2.9 on date 17-02-1985 and time 00:05:01 (Italy) in region Adriatico Settentrionale (MARE)

A magnitude M 2.9 earthquake occured in region: Adriatico Settentrionale (MARE), on

  • 16-02-1985 23:05:01 (UTC)
  • 17-02-1985 00:05:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.24, 12.86 at 12 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km E of Venezia (263352 inhabitants)
68 Km SE of Treviso (83731 inhabitants)
79 Km E of Padova (210401 inhabitants)
81 Km S of Pordenone (51229 inhabitants)
84 Km SW of Trieste (204420 inhabitants)
86 Km E of Rovigo (51867 inhabitants)
96 Km SW of Udine (99169 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 2.9 1985-02-16
23:05:01
45.24 12.86 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 1849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-16 23:05:01 ± 0.312
Latitude 45.24 ± 0.02
Longitude 12.86 ± 0.02
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1849

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) 2091.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 260
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00704
Epicentral distance of station farthest from the epicenter (degree) 0.01214
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

M:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:39:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ZOU.Z. 1985-02-16T23:05:44.40 10.0 undecidable manual SN 4 0.0118 1.45 0
--.CTI.Z. 1985-02-16T23:05:39.00 10.0 undecidable manual SN 314 0.0104 -0.38 0.4
--.DRE.Z. 1985-02-16T23:05:37.40 10.0 undecidable manual SN 30 0.0097 0.08 1
--.BOO.Z. 1985-02-16T23:05:37.60 10.0 undecidable manual SN 9 0.0098 0.02 1.1
--.BAD.Z. 1985-02-16T23:05:35.70 10.0 undecidable manual SN 15 0.0092 -0.43 0.6
--.BUA.Z. 1985-02-16T23:05:35.00 10.0 undecidable manual SN 11 0.0089 -0.27 0.6
--.COL.Z. 1985-02-16T23:05:34.20 10.0 undecidable manual SG 22 0.0087 -0.11 0.7
--.RCL.Z. 1985-02-16T23:05:33.00 10.0 undecidable manual SG 351 0.0083 -0.27 0.6
--.UDI.Z. 1985-02-16T23:05:30.80 10.0 undecidable manual SG 18 0.0078 -0.36 0.5
--.TRI.Z. 1985-02-16T23:05:29.00 10.0 undecidable manual SG 53 0.007 0.28 0.6
--.CAE.Z. 1985-02-16T23:05:29.50 10.0 undecidable manual SG 339 0.0074 -0.27 0.9
--.FO1.Z. 1985-02-16T23:05:26.50 10.0 undecidable manual PN 358 0.0121 0.59 0.6
--.ZOU.Z. 1985-02-16T23:05:25.70 10.0 undecidable manual PN 4 0.0118 0.28 1.3
--.CTI.Z. 1985-02-16T23:05:23.50 10.0 undecidable manual PN 314 0.0104 0.14 1.6
--.BAD.Z. 1985-02-16T23:05:21.00 10.0 undecidable manual PN 15 0.0092 -0.48 0.9
--.DRE.Z. 1985-02-16T23:05:21.60 10.0 undecidable manual PN 30 0.0097 -0.57 0.7
--.BOO.Z. 1985-02-16T23:05:21.90 10.0 undecidable manual PN 9 0.0098 -0.42 1.1
--.BUA.Z. 1985-02-16T23:05:20.70 10.0 undecidable manual PN 11 0.0089 -0.28 1.5
--.COL.Z. 1985-02-16T23:05:20.30 10.0 undecidable manual PG 22 0.0087 -0.14 1.7
--.RCL.Z. 1985-02-16T23:05:19.90 10.0 undecidable manual PG 351 0.0083 0.07 1.8
--.CAE.Z. 1985-02-16T23:05:18.00 10.0 undecidable manual PG 339 0.0074 0.19 1.7
--.UDI.Z. 1985-02-16T23:05:18.80 10.0 undecidable manual PG 18 0.0078 0.19 1.7
--.TRI.Z. 1985-02-16T23:05:17.50 10.0 undecidable manual PG 53 0.007 0.3 1.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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