Earthquake with magnitude of Md 2.5 on date 19-02-1987 and time 01:02:45 (UTC) in region Golfo di Policastro (Salerno, Potenza)

A magnitude Md 2.5 earthquake occured in region: Golfo di Policastro (Salerno, Potenza), on

  • 19-02-1987 01:02:45 (UTC)
  • 19-02-1987 02:02:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.901, 15.721 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
Tortora CS 5 6187 6187
Praia a Mare CS 5 6725 12912
San Nicola Arcella CS 9 1957 14869
Aieta CS 9 823 15692
Maratea PZ 11 5139 20831
Scalea CS 12 10913 31744
Santa Domenica Talao CS 15 1263 33007
Trecchina PZ 15 2316 35323
Papasidero CS 16 734 36057
Lauria PZ 19 12919 48976
Santa Maria del Cedro CS 20 4954 53930
Orsomarso CS 20 1265 55195
Nemoli PZ 20 1495 56690
Rivello PZ 20 2767 59457

Municipalities with at least 50000 inhabitants

An earthquake occurred to
82 Km NW of Cosenza (67546 inhabitants)
83 Km S of Potenza (67122 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 2.5 1987-02-19
01:02:45
39.901 15.721 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 41709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-02-19 01:02:45 ± 0.308
Latitude 39.9010 ± 0.0268
Longitude 15.7210 ± 0.0394
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 41709

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) 4490.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.01085
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 8
Type of magnitude Md
Reference to an origin 41709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:41:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.GR9.Z. 1987-02-19T01:03:08.50 10.0 undecidable manual PN 152 0.0108 0.78 0.4
--.ORI.Z. 1987-02-19T01:03:07.00 10.0 undecidable manual SG 74 0.0051 1.66 0
--.CZI.Z. 1987-02-19T01:03:00.20 10.0 undecidable manual PG 154 0.0067 0.14 1.2
--.ROI.Z. 1987-02-19T01:02:59.20 10.0 undecidable manual PG 116 0.0066 -0.42 1
--.SGO.Z. 1987-02-19T01:02:59.50 10.0 undecidable manual PG 334 0.0066 -0.14 1.2
--.ORI.Z. 1987-02-19T01:02:56.50 10.0 undecidable manual PG 74 0.0051 -0.24 1.3
--.MG9.Z. 1987-02-19T01:02:56.00 10.0 undecidable manual SG 331 0.0023 0.45 0.4
--.TS9.Z. 1987-02-19T01:02:56.00 10.0 undecidable manual PG 116 0.0048 0.04 1.4
--.CSI.Z. 1987-02-19T01:02:53.40 10.0 undecidable manual PG 104 0.004 -1.14 0.2
--.MG9.Z. 1987-02-19T01:02:51.00 10.0 undecidable manual PG 331 0.0023 -0.09 2.8
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