Earthquake with magnitude of Md 3.1 on date 26-01-1985 and time 00:33:12 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude Md 3.1 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 25-01-1985 23:33:12 (UTC)
  • 26-01-1985 00:33:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.14, 16 at 100 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 7 13975 13975
Belmonte Calabro CS 7 2003 15978
San Pietro in Amantea CS 10 505 16483
Longobardi CS 11 2312 18795
Serra d'Aiello CS 12 458 19253
Fiumefreddo Bruzio CS 13 2994 22247
Lago CS 13 2624 24871
Cleto CS 15 1301 26172
Aiello Calabro CS 15 1729 27901
Falconara Albanese CS 17 1427 29328
Nocera Terinese CZ 18 4731 34059
San Mango d'Aquino CZ 18 1564 35623
San Lucido CS 20 6047 41670

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Cosenza (67546 inhabitants)
33 Km NW of Lamezia Terme (70714 inhabitants)
57 Km W of Catanzaro (90612 inhabitants)
97 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 3.1 1985-01-25
23:33:12
39.14 16 100 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-25 23:33:12 ± 0.628
Latitude 39.14 ± 0.03
Longitude 16.00 ± 0.04
Depth (km) 100 ± 11 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 799

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) 4603.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.0089
Epicentral distance of station farthest from the epicenter (degree) 0.04509
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SKO.Z. 1985-01-25T23:34:25.00 10.0 undecidable manual P 53 0.0451 -0.33 1.7
--.OHR.Z. 1985-01-25T23:34:15.00 10.0 undecidable manual P 59 0.0375 1.08 1.2
--.LCI.Z. 1985-01-25T23:34:10.70 10.0 undecidable manual S 52 0.0181 1.34 0.2
--.GIB.Z. 1985-01-25T23:34:08.00 10.0 undecidable manual S 233 0.0172 0.85 0.4
--.SGO.Z. 1985-01-25T23:33:59.00 10.0 undecidable manual S 339 0.0136 0.61 0.4
--.SGG.Z. 1985-01-25T23:33:51.70 10.0 undecidable manual P 331 0.0231 -0.73 1.1
--.MSI.Z. 1985-01-25T23:33:47.00 10.0 undecidable manual S 200 0.0089 -0.73 0.5
--.TR9.Z. 1985-01-25T23:33:45.50 10.0 undecidable manual P 342 0.018 0.52 1.2
--.LCI.Z. 1985-01-25T23:33:45.00 10.0 undecidable manual P 52 0.0181 -0.2 1.5
--.BAI.Z. 1985-01-25T23:33:45.00 10.0 undecidable manual P 18 0.0187 -1.04 0.7
--.GIB.Z. 1985-01-25T23:33:44.00 10.0 undecidable manual P 233 0.0172 0.07 1.6
--.PE1.Z. 1985-01-25T23:33:43.00 10.0 undecidable manual P 32 0.0179 -1.88 0.1
--.SGO.Z. 1985-01-25T23:33:39.00 10.0 undecidable manual P 339 0.0136 0.13 1.6
--.MSI.Z. 1985-01-25T23:33:32.70 10.0 undecidable manual P 200 0.0089 -0.02 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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