Earthquake with magnitude of Md 2.9 on date 02-02-1985 and time 19:44:43 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude Md 2.9 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 02-02-1985 18:44:43 (UTC)
  • 02-02-1985 19:44:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.46, 15.75 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
Cetraro CS 18 10128 10128
Acquappesa CS 18 1907 12035
Bonifati CS 19 2858 14893

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km W of Cosenza (67546 inhabitants)
73 Km NW of Lamezia Terme (70714 inhabitants)
95 Km NW of Catanzaro (90612 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 2.9 1985-02-02
18:44:43
39.46 15.75 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-02 18:44:43 ± 0.309
Latitude 39.46 ± 0.02
Longitude 15.75 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 959

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) 4055.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.0242
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SD1.Z. 1985-02-02T18:45:27.00 10.0 undecidable manual PN 327 0.0242 0.39 0.9
--.GIB.Z. 1985-02-02T18:45:18.00 10.0 undecidable manual PN 223 0.0179 0.96 0.6
--.LCI.Z. 1985-02-02T18:45:18.00 10.0 undecidable manual PN 63 0.0181 0.72 0.8
--.BRT.Z. 1985-02-02T18:45:15.00 10.0 undecidable manual PN 36 0.0159 1 0.6
--.SOR.Z. 1985-02-02T18:45:09.80 10.0 undecidable manual PN 316 0.014 -1.33 0.4
--.MSI.Z. 1985-02-02T18:45:07.00 10.0 undecidable manual PN 187 0.0113 -0.05 1.5
--.SGO.Z. 1985-02-02T18:45:05.00 10.0 undecidable manual PN 343 0.0104 -0.5 1.3
--.ORI.Z. 1985-02-02T18:45:00.00 10.0 positive manual PG 41 0.0071 0.52 2.5
--.CSI.Z. 1985-02-02T18:44:55.20 10.0 undecidable manual PG 52 0.0047 0.66 1.1
--.ROI.Z. 1985-02-02T18:44:55.80 10.0 undecidable manual PG 79 0.0057 -0.77 1
--.MMN.Z. 1985-02-02T18:44:52.40 10.0 undecidable manual PG 23 0.0042 -1.02 0.7
--.ACI.Z. 1985-02-02T18:44:50.30 10.0 undecidable manual PG 107 0.0032 -1.2 0.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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