Earthquake with magnitude of Md 2.5 on date 16-10-1999 and time 22:56:43 (Italy) in region 6 km E Lauria (PZ)

A magnitude Md 2.5 earthquake occured in region: 6 km E Lauria (PZ), on

  • 16-10-1999 20:56:43 (UTC)
  • 16-10-1999 22:56:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.0430, 15.9080 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
Lauria PZ 6 12919 12919
Castelluccio Superiore PZ 7 824 13743
Castelluccio Inferiore PZ 7 2131 15874
Nemoli PZ 10 1495 17369
Latronico PZ 10 4556 21925
Trecchina PZ 11 2316 24241
Laino Borgo CS 11 1921 26162
Rivello PZ 13 2767 28929
Laino Castello CS 13 848 29777
Aieta CS 15 823 30600
Rotonda PZ 15 3494 34094
Lagonegro PZ 15 5584 39678
Castelsaraceno PZ 16 1384 41062
Maratea PZ 16 5139 46201
Episcopia PZ 17 1434 47635
Viggianello PZ 17 3025 50660
Tortora CS 18 6187 56847
Mormanno CS 18 3027 59874
Papasidero CS 19 734 60608
Carbone PZ 19 638 61246
Praia a Mare CS 20 6725 67971

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km S of Potenza (67122 inhabitants)
89 Km NW of Cosenza (67546 inhabitants)
91 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
Bulletin
Rev1000
Md 2.5 1999-10-16
20:56:43
40.043 15.908 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 375759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-10-16 20:56:43 ± 0.261
Latitude 40.0430 ± 0.0207
Longitude 15.9080 ± 0.0232
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 375759

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) 3031.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00364
Epicentral distance of station farthest from the epicenter (degree) 0.00615
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 375759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:52:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1999-10-16T20:57:06.90 10.0 undecidable manual SG 318 0.6882 -0.88 0.1
--.ORI.Z. 1999-10-16T20:56:59.00 10.0 undecidable manual SG 88 0.3996 0.18 0.7
--.SL9.Z. 1999-10-16T20:56:58.90 10.0 undecidable manual SG 328 0.3996 0.23 0.7
--.SGO.Z. 1999-10-16T20:56:58.50 10.0 undecidable manual PG 318 0.6882 0.88 0.4
--.TDS.Z. 1999-10-16T20:56:54.23 10.0 undecidable manual PG 138 0.4995 0.02 1.8
--.SL9.Z. 1999-10-16T20:56:52.50 10.0 undecidable manual PG 328 0.3996 -0.3 1.4
--.ORI.Z. 1999-10-16T20:56:52.34 10.0 undecidable manual PG 88 0.3996 -0.1 1.9
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