Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 3.0 on date 17-02-1985 and time 03:22:36 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude Md 3.0 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 17-02-1985 02:22:36 (UTC)
  • 17-02-1985 03:22:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.18, 15.98 at 60 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Longobardi CS 9 2312 2312
Belmonte Calabro CS 9 2003 4315
Fiumefreddo Bruzio CS 9 2994 7309
Amantea CS 10 13975 21284
San Pietro in Amantea CS 12 505 21789
Falconara Albanese CS 14 1427 23216
Lago CS 15 2624 25840
San Lucido CS 15 6047 31887
Serra d'Aiello CS 16 458 32345
Cleto CS 17 1301 33646
Aiello Calabro CS 18 1729 35375
Domanico CS 20 943 36318
Cerisano CS 20 3196 39514

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Cosenza (67546 inhabitants)
37 Km NW of Lamezia Terme (70714 inhabitants)
61 Km NW of Catanzaro (90612 inhabitants)
99 Km W of Crotone (62178 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
Bulletin
Rev1000 		Md 3.0 1985-02-17
02:22:36		 39.18 15.98 60 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 1859
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-17 02:22:36 ± 0.503
Latitude 39.18 ± 0.02
Longitude 15.98 ± 0.05
Depth (km) 60 ± 8 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1859

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) 4791.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.0021
Epicentral distance of station farthest from the epicenter (degree) 0.02712
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 1859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.TR9.Z. 1985-02-17T02:23:31.20 10.0 undecidable manual S 343 0.0175 1.07 0.1
--.BS1.Z. 1985-02-17T02:23:27.80 10.0 undecidable manual S 331 0.0164 0.66 0.5
--.SD1.Z. 1985-02-17T02:23:22.00 10.0 undecidable manual P 327 0.0271 -0.06 1
--.SGO.Z. 1985-02-17T02:23:19.00 10.0 undecidable manual S 339 0.0132 0.07 0.6
--.SGG.Z. 1985-02-17T02:23:15.40 10.0 undecidable manual P 331 0.0227 0.12 1.1
--.PA1.Z. 1985-02-17T02:23:14.50 10.0 undecidable manual P ? 201 0.0207 2.03 0
--.RCI.Z. 1985-02-17T02:23:11.50 10.0 undecidable manual S 194 0.01 0.88 0.2
--.MSI.Z. 1985-02-17T02:23:09.50 10.0 undecidable manual S 199 0.0093 0.55 0.4
--.OVO.Z. 1985-02-17T02:23:08.80 10.0 undecidable manual P 324 0.0184 -0.02 1.3
--.BAI.Z. 1985-02-17T02:23:07.50 10.0 undecidable manual P ? 19 0.0183 -1.3 0.1
--.TR9.Z. 1985-02-17T02:23:07.90 10.0 undecidable manual P 343 0.0175 0.36 1.1
--.GIB.Z. 1985-02-17T02:23:07.50 10.0 undecidable manual P 232 0.0174 0.08 1.3
--.BS1.Z. 1985-02-17T02:23:06.00 10.0 undecidable manual P 331 0.0164 0.19 1.3
--.CSI.Z. 1985-02-17T02:23:00.40 10.0 undecidable manual S 21 0.0057 -0.15 0.9
--.MMN.Z. 1985-02-17T02:23:00.80 10.0 undecidable manual S 0 0.0063 -0.97 0.2
--.SGO.Z. 1985-02-17T02:23:00.50 10.0 undecidable manual P 339 0.0132 -0.57 1
--.RCI.Z. 1985-02-17T02:22:55.50 10.0 undecidable manual P 194 0.01 -0.78 0.7
--.MSI.Z. 1985-02-17T02:22:54.20 10.0 undecidable manual P 199 0.0093 -1.11 0.3
--.ORI.Z. 1985-02-17T02:22:54.50 10.0 undecidable manual P 22 0.0084 0.45 1.2
--.MMN.Z. 1985-02-17T02:22:50.30 10.0 undecidable manual P 0 0.0063 -0.87 1.2
--.CSI.Z. 1985-02-17T02:22:50.60 10.0 undecidable manual P 21 0.0057 0.14 3
--.ROI.Z. 1985-02-17T02:22:50.30 10.0 undecidable manual P 49 0.0053 0.44 2.4
--.ACI.Z. 1985-02-17T02:22:46.70 10.0 undecidable manual P 45 0.0021 0.19 3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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