Earthquake with magnitude of Md 2.6 on date 20-01-1985 and time 22:27:23 (Italy) in region Costa Ionica Cosentina (Cosenza)

A magnitude Md 2.6 earthquake occured in region: Costa Ionica Cosentina (Cosenza), on

  • 20-01-1985 21:27:23 (UTC)
  • 20-01-1985 22:27:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.65, 16.78 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
Crosia CS 8 9762 9762
Calopezzati CS 10 1369 11131
Rossano CS 15 36842 47973
Cropalati CS 15 1084 49057
Caloveto CS 15 1263 50320
Paludi CS 15 1062 51382
Pietrapaola CS 18 1141 52523
Mandatoriccio CS 20 2872 55395

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km NE of Cosenza (67546 inhabitants)
69 Km NW of Crotone (62178 inhabitants)
84 Km N of Catanzaro (90612 inhabitants)
84 Km NE of Lamezia Terme (70714 inhabitants)
100 Km SW of Taranto (201100 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 2.6 1985-01-20
21:27:23
39.65 16.78 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-20 21:27:23 ± 0.455
Latitude 39.65 ± 0.03
Longitude 16.78 ± 0.03
Depth (km) 10 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 659

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) 4312.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.01303
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:05:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LCI.Z. 1985-01-20T21:28:03.00 10.0 undecidable manual SN 55 0.011 -0.65 0.1
--.SGO.Z. 1985-01-20T21:27:50.00 10.0 undecidable manual PN 309 0.013 0.04 1.1
--.BRT.Z. 1985-01-20T21:27:48.00 10.0 undecidable manual PN 12 0.0113 0.69 0.1
--.PE1.Z. 1985-01-20T21:27:47.00 10.0 undecidable manual PN 22 0.0113 -0.29 0.8
--.LCI.Z. 1985-01-20T21:27:47.00 10.0 undecidable manual PN 55 0.011 0.12 1.1
--.CSI.Z. 1985-01-20T21:27:32.30 10.0 undecidable manual PG 290 0.0036 -0.24 1
--.ROI.Z. 1985-01-20T21:27:28.50 10.0 undecidable manual PG 246 0.0016 0.03 2.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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