Earthquake with magnitude of Md 2.6 on date 12-03-1985 and time 00:47:28 (UTC) in region 7 km N San Lorenzo del Vallo (CS)

A magnitude Md 2.6 earthquake occured in region: 7 km N San Lorenzo del Vallo (CS), on

  • 12-03-1985 00:47:28 (UTC)
  • 12-03-1985 01:47:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.73, 16.29 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
San Lorenzo del Vallo CS 7 3394 3394
Cassano all'Ionio CS 7 18495 21889
Spezzano Albanese CS 7 7028 28917
Terranova da Sibari CS 9 5100 34017
Firmo CS 9 2115 36132
Civita CS 12 902 37034
Castrovillari CS 12 22240 59274
Tarsia CS 12 2054 61328
Saracena CS 12 3828 65156
Frascineto CS 13 2154 67310
Francavilla Marittima CS 14 2910 70220
Altomonte CS 14 4488 74708
Lungro CS 14 2592 77300
San Basile CS 14 1055 78355
Roggiano Gravina CS 16 7208 85563
Acquaformosa CS 17 1106 86669
Cerchiara di Calabria CS 17 2385 89054
Morano Calabro CS 18 4576 93630
San Lorenzo Bellizzi CS 19 644 94274
San Demetrio Corone CS 19 3559 97833
San Cosmo Albanese CS 20 591 98424
Vaccarizzo Albanese CS 20 1125 99549
Villapiana CS 20 5387 104936

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km N of Cosenza (67546 inhabitants)
83 Km N of Lamezia Terme (70714 inhabitants)
95 Km N of Catanzaro (90612 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 2.6 1985-03-12
00:47:28
39.73 16.29 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 3169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-03-12 00:47:28 ± 0.456
Latitude 39.73 ± 0.02
Longitude 16.29 ± 0.05
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 3169

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) 5125.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00049
Epicentral distance of station farthest from the epicenter (degree) 0.01004
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:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 3169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:07:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SGO.Z. 1985-03-12T00:47:50.00 10.0 undecidable manual PN 318 0.01 -0.25 0.7
--.ORI.Z. 1985-03-12T00:47:41.50 10.0 undecidable manual SG 20 0.0031 -0.36 0.5
--.ORI.Z. 1985-03-12T00:47:36.00 10.0 undecidable manual PG 20 0.0031 -0.35 1.3
--.ROI.Z. 1985-03-12T00:47:34.90 10.0 undecidable manual PG 125 0.0023 0.05 1.7
--.CSI.Z. 1985-03-12T00:47:34.50 10.0 undecidable manual SG 4 0.0005 1.53 0
--.CSI.Z. 1985-03-12T00:47:31.30 10.0 undecidable manual PG 4 0.0005 0.08 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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