Earthquake with magnitude of Md 3.3 on date 20-03-1985 and time 17:05:14 (Italy) in region 2 km W Santa Sofia d'Epiro (CS)

A magnitude Md 3.3 earthquake occured in region: 2 km W Santa Sofia d'Epiro (CS), on

  • 20-03-1985 16:05:14 (UTC)
  • 20-03-1985 17:05:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.55, 16.3 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
Santa Sofia d'Epiro CS 2 2628 2628
Bisignano CS 4 10203 12831
San Demetrio Corone CS 5 3559 16390
Tarsia CS 8 2054 18444
Acri CS 10 20858 39302
San Cosmo Albanese CS 11 591 39893
Luzzi CS 12 9396 49289
Vaccarizzo Albanese CS 12 1125 50414
Terranova da Sibari CS 12 5100 55514
Spezzano Albanese CS 12 7028 62542
San Lorenzo del Vallo CS 13 3394 65936
San Giorgio Albanese CS 13 1432 67368
Roggiano Gravina CS 15 7208 74576
Torano Castello CS 15 4614 79190
Cervicati CS 15 829 80019
San Marco Argentano CS 16 7424 87443
Mongrassano CS 17 1607 89050
Rose CS 17 4373 93423
Cerzeto CS 17 1373 94796
Lattarico CS 17 4013 98809
San Martino di Finita CS 18 1100 99909
Rota Greca CS 19 1156 101065
Corigliano Calabro CS 19 40427 141492

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of Cosenza (67546 inhabitants)
64 Km N of Lamezia Terme (70714 inhabitants)
76 Km NW of Catanzaro (90612 inhabitants)
88 Km NW 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 1985-03-20
16:05:14
39.55 16.31 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 3399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-03-20 16:05:14 ± 0.475
Latitude 39.55 ± 0.04
Longitude 16.31 ± 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 3399

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) 5149.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.06039
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitude information

Md:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 3399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.VOY.Z. 1985-03-20T16:06:54.00 10.0 undecidable manual PN 345 0.0604 1.03 0.5
--.LJU.Z. 1985-03-20T16:06:51.20 10.0 undecidable manual PN 349 0.0595 -0.46 0.7
--.VAY.Z. 1985-03-20T16:06:32.50 10.0 undecidable manual PN 67 0.0457 1.93 0.2
--.PA1.Z. 1985-03-20T16:06:31.00 10.0 undecidable manual SN? 203 0.0247 0.51 0
--.SKO.Z. 1985-03-20T16:06:24.00 10.0 undecidable manual PN 56 0.0412 0.35 0.9
--.TTG.Z. 1985-03-20T16:06:11.00 10.0 undecidable manual PN 36 0.0327 0.23 1.1
--.TIR.Z. 1985-03-20T16:06:05.00 10.0 undecidable manual PN 55 0.0292 -0.38 1.1
--.BS1.Z. 1985-03-20T16:06:04.50 10.0 undecidable manual SN 317 0.015 -0.34 0.5
--.BRT.Z. 1985-03-20T16:06:01.00 10.0 undecidable manual SN 25 0.0132 0.81 0.4
--.SD1.Z. 1985-03-20T16:06:00.50 10.0 undecidable manual PN 319 0.0258 0.3 1.3
--.PA1.Z. 1985-03-20T16:05:57.00 10.0 undecidable manual PN 203 0.0247 -1.48 0.5
--.DUI.Z. 1985-03-20T16:05:56.00 10.0 undecidable manual PN 326 0.0227 0.46 1.3
--.SGG.Z. 1985-03-20T16:05:54.70 10.0 undecidable manual PN 322 0.0211 1.66 0.4
--.SGO.Z. 1985-03-20T16:05:54.00 10.0 undecidable manual SN 323 0.0113 -1.29 0.4
--.OVO.Z. 1985-03-20T16:05:48.20 10.0 undecidable manual PN 311 0.0174 0.82 1
--.LCI.Z. 1985-03-20T16:05:43.00 10.0 undecidable manual PN 59 0.0142 0.36 1.3
--.BS1.Z. 1985-03-20T16:05:43.50 10.0 undecidable manual PN 317 0.015 -0.17 1.4
--.BAI.Z. 1985-03-20T16:05:43.00 10.0 undecidable manual PN 15 0.0145 0.02 1.4
--.PE1.Z. 1985-03-20T16:05:42.80 10.0 positive manual PN 33 0.0136 1.18 1.5
--.BRT.Z. 1985-03-20T16:05:41.00 10.0 undecidable manual PN 25 0.0132 0.02 1.4
--.SGO.Z. 1985-03-20T16:05:38.50 10.0 negative manual PN 323 0.0113 0.34 2.7
--.ORI.Z. 1985-03-20T16:05:33.80 10.0 undecidable manual SG? 11 0.0045 0.74 0
--.ORI.Z. 1985-03-20T16:05:24.00 10.0 undecidable manual PG 11 0.0045 -1.32 0.6
--.ROI.Z. 1985-03-20T16:05:18.60 10.0 undecidable manual PG 83 0.0018 -1.01 1.8
--.CSI.Z. 1985-03-20T16:05:18.30 10.0 undecidable manual PG 357 0.002 -1.89 0.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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