Earthquake with magnitude of Md 3.0 on date 21-01-1986 and time 06:17:36 (Italy) in region 2 km E Trecchina (PZ)

A magnitude Md 3.0 earthquake occured in region: 2 km E Trecchina (PZ), on

  • 21-01-1986 05:17:36 (UTC)
  • 21-01-1986 06:17:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.02, 15.81 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
Trecchina PZ 2 2316 2316
Lauria PZ 4 12919 15235
Nemoli PZ 5 1495 16730
Rivello PZ 8 2767 19497
Maratea PZ 8 5139 24636
Aieta CS 10 823 25459
Tortora CS 12 6187 31646
Lagonegro PZ 12 5584 37230
Praia a Mare CS 14 6725 43955
Castelluccio Inferiore PZ 14 2131 46086
Castelluccio Superiore PZ 15 824 46910
Laino Borgo CS 16 1921 48831
Sapri SA 16 6770 55601
Laino Castello CS 17 848 56449
Torraca SA 18 1263 57712
Papasidero CS 19 734 58446
Latronico PZ 19 4556 63002
San Nicola Arcella CS 20 1957 64959

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km S of Potenza (67122 inhabitants)
90 Km NW of Cosenza (67546 inhabitants)
96 Km SE of Battipaglia (50786 inhabitants)
98 Km SW of Matera (60436 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
Rev 1000 Md 3.0 1986-01-21
05:17:36
40.02 15.81 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 21409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-01-21 05:17:36 ± 0.323
Latitude 40.02 ± 0.02
Longitude 15.81 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 21409

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) 3378.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
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) 0.9
Epicentral distance of station closest to the epicenter (degree) 0.00437
Epicentral distance of station farthest from the epicenter (degree) 0.0221
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 21409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:23:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LCI.Z. 1986-01-21T05:18:31.00 10.0 undecidable manual SN 79 0.016 1.4 0.3
--.SOR.Z. 1986-01-21T05:18:22.60 10.0 undecidable manual SN! 297 0.0113 5.65 0
--.BAI.Z. 1986-01-21T05:18:19.00 10.0 undecidable manual SN 36 0.0121 -0.35 0.9
--.BRT.Z. 1986-01-21T05:18:19.50 10.0 undecidable manual SN 50 0.0119 0.81 0.7
--.GIB.Z. 1986-01-21T05:18:17.80 10.0 undecidable manual PN 215 0.0221 1.37 0.7
--.SGG.Z. 1986-01-21T05:18:10.20 10.0 undecidable manual PN! 322 0.0156 3.6 0
--.LCI.Z. 1986-01-21T05:18:08.50 10.0 undecidable manual PN 79 0.016 1.28 1
--.OVO.Z. 1986-01-21T05:18:04.40 10.0 undecidable manual PN! 307 0.0121 3.3 0
--.SGO.Z. 1986-01-21T05:18:00.50 10.0 undecidable manual SG 325 0.0059 0.79 1.1
--.BRT.Z. 1986-01-21T05:18:00.00 10.0 undecidable manual PN 50 0.0119 -0.92 1.7
--.GR9.Z. 1986-01-21T05:17:59.50 10.0 undecidable manual PN 158 0.0117 -0.98 1.6
--.BAI.Z. 1986-01-21T05:17:59.00 10.0 undecidable manual PN! 36 0.0121 -2.3 0
--.SOR.Z. 1986-01-21T05:17:59.10 10.0 undecidable manual PN 297 0.0113 -0.81 1.8
--.TR9.Z. 1986-01-21T05:17:58.80 10.0 undecidable manual PN 337 0.01 0.81 1.9
--.ORI.Z. 1986-01-21T05:17:54.50 10.0 undecidable manual SG 86 0.0044 0.32 1.5
--.SGO.Z. 1986-01-21T05:17:49.00 10.0 undecidable manual PG 325 0.0059 -0.96 1.6
--.ORI.Z. 1986-01-21T05:17:45.50 10.0 undecidable manual PG 86 0.0044 -1.27 1.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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