Earthquake with magnitude of Md 2.3 on date 16-09-1987 and time 14:57:51 (UTC) in region 3 km SW Rossano (CS)

A magnitude Md 2.3 earthquake occured in region: 3 km SW Rossano (CS), on

  • 16-09-1987 14:57:51 (UTC)
  • 16-09-1987 16:57:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.5570, 16.6070 at 14 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
Rossano CS 3 36842 36842
Paludi CS 7 1062 37904
Corigliano Calabro CS 8 40427 78331
Cropalati CS 11 1084 79415
Longobucco CS 12 3183 82598
San Giorgio Albanese CS 13 1432 84030
Caloveto CS 14 1263 85293
Crosia CS 14 9762 95055
Vaccarizzo Albanese CS 15 1125 96180
San Cosmo Albanese CS 16 591 96771
Calopezzati CS 17 1369 98140
Pietrapaola CS 20 1141 99281

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NE of Cosenza (67546 inhabitants)
69 Km NE of Lamezia Terme (70714 inhabitants)
69 Km NW of Crotone (62178 inhabitants)
72 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
Bulletin
Rev1000
Md 2.3 1987-09-16
14:57:51
39.557 16.607 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 55439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-09-16 14:57:51 ± 1.08
Latitude 39.5570 ± 0.0706
Longitude 16.6070 ± 0.0807
Depth (km) 15 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 55439

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) 10461.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 309
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.00890
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 55439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:53:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MGR.Z. 1987-09-16T14:58:11.00 10.0 undecidable manual PN 305 0.9879 0.19 0.7
--.ORI.Z. 1987-09-16T14:58:02.50 10.0 undecidable manual PG 345 0.4995 0.3 0.9
--.TDS.Z. 1987-09-16T14:58:02.20 10.0 undecidable manual SG 296 0.222 1.01 0.1
--.TDS.Z. 1987-09-16T14:57:57.00 10.0 undecidable manual PG 296 0.222 -0.15 1.4
--.CSI.Z. 1987-09-16T14:57:57.50 10.0 undecidable manual PG 313 0.3219 -1.44 0.2
--.ROI.Z. 1987-09-16T14:57:54.50 10.0 undecidable manual PG 295 0.0222 0.04 2.7
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