Earthquake with magnitude of Md 2.8 on date 22-07-1986 and time 03:14:07 (UTC) in region Costa Calabra nord occidentale (Cosenza)

A magnitude Md 2.8 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 22-07-1986 03:14:07 (UTC)
  • 22-07-1986 05:14:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.628, 15.773 at 21 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
Diamante CS 7 5329 5329
Belvedere Marittimo CS 8 9371 14700
Buonvicino CS 12 2247 16947
MaierĂ  CS 12 1224 18171
Bonifati CS 12 2858 21029
Sangineto CS 12 1338 22367
Grisolia CS 13 2249 24616
Santa Maria del Cedro CS 15 4954 29570
Sant'Agata di Esaro CS 18 1890 31460
Verbicaro CS 19 3056 34516
Cetraro CS 19 10128 44644
Scalea CS 20 10913 55557

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km NW of Cosenza (67546 inhabitants)
86 Km NW of Lamezia Terme (70714 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 2.8 1986-07-22
03:14:07
39.628 15.773 21 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 31339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-07-22 03:14:07 ± 0.252
Latitude 39.6280 ± 0.0175
Longitude 15.7730 ± 0.0220
Depth (km) 21 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 31339

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) 2714.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.01457
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 31339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:32:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SO9.Z. 1986-07-22T03:14:35.00 10.0 undecidable manual PN 172 0.0141 1.04 0.1
--.BRT.Z. 1986-07-22T03:14:35.00 10.0 undecidable manual PN 39 0.0146 0.27 0.8
--.GA2.Z. 1986-07-22T03:14:32.00 10.0 undecidable manual PN 178 0.0131 -0.43 0.7
--.SGO.Z. 1986-07-22T03:14:26.00 10.0 undecidable manual PN 339 0.0089 -0.07 1.2
--.DR2.Z. 1986-07-22T03:14:25.60 10.0 undecidable manual PN 172 0.0089 -0.4 0.9
--.GR9.Z. 1986-07-22T03:14:25.50 10.0 undecidable manual PN 147 0.0086 -0.03 1.2
--.SE2.Z. 1986-07-22T03:14:25.30 10.0 undecidable manual PN 130 0.0086 -0.27 1.1
--.TS9.Z. 1986-07-22T03:14:24.00 10.0 undecidable manual SG 85 0.0039 0.08 0.8
--.ORI.Z. 1986-07-22T03:14:21.00 10.0 undecidable manual PG 50 0.0059 -0.16 1.3
--.ROI.Z. 1986-07-22T03:14:19.30 10.0 undecidable manual PG 95 0.0055 -0.91 0.2
--.MG9.Z. 1986-07-22T03:14:18.80 10.0 negative manual PG 341 0.0048 -0.01 2.7
--.TS9.Z. 1986-07-22T03:14:17.70 10.0 positive manual PG 85 0.0039 0.7 0.9
--.CSI.Z. 1986-07-22T03:14:16.50 10.0 undecidable manual PG 68 0.0038 -0.4 0.9
--.MMN.Z. 1986-07-22T03:14:14.80 10.0 undecidable manual PG 32 0.0028 -0.05 1.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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