Earthquake with magnitude of Md 2.3 on date 11-04-1986 and time 07:11:04 (UTC) in region Costa Calabra nord occidentale (Cosenza)

A magnitude Md 2.3 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 11-04-1986 07:11:04 (UTC)
  • 11-04-1986 09:11:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.5840, 15.8540 at 19 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
Belvedere Marittimo CS 4 9371 9371
Bonifati CS 5 2858 12229
Sangineto CS 6 1338 13567
Diamante CS 11 5329 18896
Cetraro CS 11 10128 29024
Sant'Agata di Esaro CS 12 1890 30914
Buonvicino CS 12 2247 33161
Acquappesa CS 13 1907 35068
MaierĂ  CS 15 1224 36292
Grisolia CS 16 2249 38541
San Sosti CS 17 2185 40726
Malvito CS 17 1795 42521
Fagnano Castello CS 17 3885 46406
Guardia Piemontese CS 18 1911 48317
Santa Maria del Cedro CS 19 4954 53271
Santa Caterina Albanese CS 19 1222 54493
Mottafollone CS 20 1236 55729
Verbicaro CS 20 3056 58785

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NW of Cosenza (67546 inhabitants)
79 Km NW of Lamezia Terme (70714 inhabitants)
99 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 2.3 1986-04-11
07:11:04
39.584 15.854 19 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 25579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-04-11 07:11:04 ± 0.325
Latitude 39.5840 ± 0.0216
Longitude 15.8540 ± 0.0444
Depth (km) 19 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 25579

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) 4500.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.00842
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 25579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:27:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MG9.Z. 1986-04-11T07:11:25.50 10.0 undecidable manual SG 337 0.5883 -0.81 0.3
--.DR2.Z. 1986-04-11T07:11:22.70 10.0 undecidable manual PN 176 0.9324 -0.21 1.3
--.CZI.Z. 1986-04-11T07:11:20.20 10.0 undecidable manual SG 149 0.4218 -0.65 0.4
--.MG9.Z. 1986-04-11T07:11:17.50 10.0 undecidable manual PG 337 0.5883 0.21 1.6
--.MMN.Z. 1986-04-11T07:11:16.10 10.0 undecidable manual SG 18 0.3108 -1.66 0
--.ROI.Z. 1986-04-11T07:11:16.00 10.0 undecidable manual PG 91 0.5439 -0.38 1.5
--.CSI.Z. 1986-04-11T07:11:14.10 10.0 undecidable manual PG 59 0.3885 0.53 1.3
--.CZI.Z. 1986-04-11T07:11:14.40 10.0 undecidable manual PG 149 0.4218 0.27 1.7
--.MMN.Z. 1986-04-11T07:11:13.20 10.0 undecidable manual PG 18 0.3108 0.85 0.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download