Earthquake with magnitude of Md 2.4 on date 31-08-1993 and time 12:15:28 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude Md 2.4 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 31-08-1993 10:15:28 (UTC)
  • 31-08-1993 12:15:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.2460, 15.8350 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
San Lucido CS 20 6047 6047

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Cosenza (67546 inhabitants)
52 Km NW of Lamezia Terme (70714 inhabitants)
76 Km NW 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
Bulletin
Rev1000
Md 2.4
ML-VAX 1.7
1993-08-31
10:15:28
39.246 15.835 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 195699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-08-31 10:15:28 ± 0.525
Latitude 39.2460 ± 0.0199
Longitude 15.8350 ± 0.0417
Depth (km) 11 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 195699

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) 4216.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.01117
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 195699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:03:52

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 195699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MO9.Z. 1993-08-31T10:16:09.00 10.0 undecidable manual SN 185 1.2432 0.18 0.5
--.SOI.Z. 1993-08-31T10:16:06.29 10.0 undecidable manual SN 171 1.1766 -1.02 0.2
--.ATN.Z. 1993-08-31T10:16:05.00 10.0 undecidable manual SN 195 1.1211 -0.9 0.3
--.MGR.Z. 1993-08-31T10:15:59.50 10.0 undecidable manual SG 346 0.9102 -0.58 0.5
--.MO9.Z. 1993-08-31T10:15:52.50 10.0 undecidable manual PN 185 1.2432 0.6 0.9
--.ATN.Z. 1993-08-31T10:15:51.90 10.0 undecidable manual PN 195 1.1211 0.88 0.7
--.SOI.Z. 1993-08-31T10:15:51.32 10.0 undecidable manual PN 171 1.1766 0.3 1.3
--.MMN.Z. 1993-08-31T10:15:51.50 10.0 undecidable manual SG 10 0.6438 -0.21 0.7
--.TDS.Z. 1993-08-31T10:15:49.40 10.0 undecidable manual SG 43 0.5661 0.5 0.5
--.GRI.Z. 1993-08-31T10:15:49.52 10.0 undecidable manual SG 133 0.6216 -1.09 0.2
--.MGR.Z. 1993-08-31T10:15:46.70 10.0 undecidable manual PG 346 0.9102 -0.78 0.9
--.MMN.Z. 1993-08-31T10:15:41.80 10.0 undecidable manual PG 10 0.6438 -0.21 1.6
--.ROI.Z. 1993-08-31T10:15:41.98 10.0 undecidable manual PG 60 0.6438 0.02 1.7
--.GRI.Z. 1993-08-31T10:15:40.72 10.0 undecidable manual PG 133 0.6216 -0.66 1.1
--.TDS.Z. 1993-08-31T10:15:40.22 10.0 negative manual PG 43 0.5661 -0.17 3.3
--.ACI.Z. 1993-08-31T10:15:37.25 10.0 undecidable manual PG 69 0.2997 1.75 0.1
--.CZI.Z. 1993-08-31T10:15:33.62 10.0 undecidable manual PG 96 0.222 -0.58 2.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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