Earthquake with magnitude of Md 2.5 on date 20-03-1985 and time 17:12:09 (Italy) in region 2 km S Torano Castello (CS)

A magnitude Md 2.5 earthquake occured in region: 2 km S Torano Castello (CS), on

  • 20-03-1985 16:12:09 (UTC)
  • 20-03-1985 17:12:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.49, 16.15 at 11 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
Torano Castello CS 2 4614 4614
Lattarico CS 3 4013 8627
San Martino di Finita CS 4 1100 9727
Cerzeto CS 4 1373 11100
Rota Greca CS 4 1156 12256
Mongrassano CS 5 1607 13863
Cervicati CS 6 829 14692
San Benedetto Ullano CS 7 1555 16247
San Marco Argentano CS 8 7424 23671
Montalto Uffugo CS 9 19669 43340
Fagnano Castello CS 12 3885 47225
Bisignano CS 12 10203 57428
Luzzi CS 13 9396 66824
Santa Caterina Albanese CS 13 1222 68046
Fuscaldo CS 13 8140 76186
Guardia Piemontese CS 13 1911 78097
San Vincenzo La Costa CS 14 2195 80292
Roggiano Gravina CS 14 7208 87500
Malvito CS 15 1795 89295
Rose CS 16 4373 93668
Santa Sofia d'Epiro CS 17 2628 96296
San Fili CS 17 2719 99015
Acquappesa CS 17 1907 100922
Paola CS 17 16013 116935
Tarsia CS 18 2054 118989
Rende CS 18 35338 154327
Cetraro CS 18 10128 164455
Mottafollone CS 19 1236 165691
Castiglione Cosentino CS 19 2896 168587
Marano Marchesato CS 19 3553 172140
Acri CS 20 20858 192998

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Cosenza (67546 inhabitants)
59 Km N of Lamezia Terme (70714 inhabitants)
75 Km NW of Catanzaro (90612 inhabitants)
95 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
Bulletin
Rev1000
Md 2.5 1985-03-20
16:12:09
39.49 16.15 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 3409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-03-20 16:12:09 ± 1.117
Latitude 39.49 ± 0.05
Longitude 16.15 ± 0.06
Depth (km) 11 ± 10 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 3409

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) 7697.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 253
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.01117
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 3409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SGO.Z. 1985-03-20T16:12:50.00 10.0 undecidable manual SN 329 0.0112 0.93 0.1
--.SGO.Z. 1985-03-20T16:12:31.50 10.0 undecidable manual PN 329 0.0112 -0.7 0.4
--.ORI.Z. 1985-03-20T16:12:22.50 10.0 undecidable manual PG 21 0.0054 1.07 0.2
--.ROI.Z. 1985-03-20T16:12:21.70 10.0 undecidable manual SG 75 0.0029 0.05 0.8
--.CSI.Z. 1985-03-20T16:12:20.30 10.0 undecidable manual SG 20 0.0028 -0.82 0.3
--.ROI.Z. 1985-03-20T16:12:16.30 10.0 undecidable manual PG 75 0.0029 -0.06 2.6
--.CSI.Z. 1985-03-20T16:12:16.00 10.0 undecidable manual PG 20 0.0028 -0.06 2.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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