Earthquake with magnitude of Md 3.3 on date 07-02-1985 and time 18:19:01 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude Md 3.3 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 07-02-1985 17:19:01 (UTC)
  • 07-02-1985 18:19:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.08, 16.04 at 63 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
Amantea CS 8 13975 13975
Serra d'Aiello CS 8 458 14433
San Pietro in Amantea CS 10 505 14938
Belmonte Calabro CS 10 2003 16941
Nocera Terinese CZ 12 4731 21672
Cleto CS 12 1301 22973
Aiello Calabro CS 12 1729 24702
San Mango d'Aquino CZ 13 1564 26266
Falerna CZ 14 4028 30294
Lago CS 14 2624 32918
Longobardi CS 15 2312 35230
Martirano Lombardo CZ 17 1112 36342
Fiumefreddo Bruzio CS 18 2994 39336
Gizzeria CZ 18 4982 44318
Martirano CZ 18 884 45202
Grimaldi CS 19 1680 46882
Altilia CS 20 711 47593

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Lamezia Terme (70714 inhabitants)
31 Km SW of Cosenza (67546 inhabitants)
52 Km W of Catanzaro (90612 inhabitants)
94 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
Rev 1000 Md 3.3 1985-02-07
17:19:01
39.08 16.04 63 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 1299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-07 17:19:01 ± 0.591
Latitude 39.08 ± 0.03
Longitude 16.04 ± 0.05
Depth (km) 63 ± 26 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1299

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) 5658.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00575
Epicentral distance of station farthest from the epicenter (degree) 0.02331
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 1299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FA1.Z. 1985-02-07T17:19:40.00 10.0 undecidable manual P 226 0.0233 -0.98 0.3
--.PA1.Z. 1985-02-07T17:19:36.00 10.0 undecidable manual P 203 0.02 -0.07 1.4
--.LCI.Z. 1985-02-07T17:19:34.00 10.0 positive manual P 51 0.0182 0.57 1.8
--.BAI.Z. 1985-02-07T17:19:34.50 10.0 positive manual P 17 0.0191 -0.21 2.7
--.PE1.Z. 1985-02-07T17:19:33.00 10.0 undecidable manual P 31 0.0182 -0.34 1.2
--.BRT.Z. 1985-02-07T17:19:32.50 10.0 undecidable manual P 25 0.0178 -0.34 1.2
--.GIB.Z. 1985-02-07T17:19:32.80 10.0 undecidable manual P 236 0.0172 1.01 0.3
--.SGO.Z. 1985-02-07T17:19:28.00 10.0 undecidable manual P 339 0.0142 0.63 0.9
--.ROI.Z. 1985-02-07T17:19:24.60 10.0 undecidable manual P ! 39 0.0057 9.29 0
--.CSI.Z. 1985-02-07T17:19:24.80 10.0 undecidable manual P ! 15 0.0066 8.41 0
--.ORI.Z. 1985-02-07T17:19:19.50 10.0 undecidable manual P 17 0.0091 -0.47 1.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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