Earthquake with magnitude of Md 2.4 on date 20-10-1998 and time 07:28:12 (Italy) in region 2 km W Castelluccio Inferiore (PZ)

A magnitude Md 2.4 earthquake occured in region: 2 km W Castelluccio Inferiore (PZ), on

  • 20-10-1998 05:28:12 (UTC)
  • 20-10-1998 07:28:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.0130, 15.9530 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
Castelluccio Inferiore PZ 2 2131 2131
Castelluccio Superiore PZ 2 824 2955
Laino Borgo CS 7 1921 4876
Laino Castello CS 9 848 5724
Latronico PZ 10 4556 10280
Rotonda PZ 10 3494 13774
Lauria PZ 11 12919 26693
Viggianello PZ 12 3025 29718
Mormanno CS 14 3027 32745
Episcopia PZ 14 1434 34179
Nemoli PZ 14 1495 35674
Aieta CS 14 823 36497
Trecchina PZ 15 2316 38813
Papasidero CS 16 734 39547
San Severino Lucano PZ 16 1563 41110
Castelsaraceno PZ 17 1384 42494
Rivello PZ 18 2767 45261
Carbone PZ 19 638 45899
Tortora CS 19 6187 52086
Maratea PZ 20 5139 57225
Praia a Mare CS 20 6725 63950

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 Km S of Potenza (67122 inhabitants)
84 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 2.4
ML-VAX 1.7
1998-10-20
05:28:12
40.013 15.953 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 353529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-10-20 05:28:12 ± 0.235
Latitude 40.0130 ± 0.0247
Longitude 15.9530 ± 0.0261
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 353529

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) 3530.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00745
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 353529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:31:21

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 353529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MU9.Z. 1998-10-20T05:28:29.87 10.0 undecidable manual PG 334 0.8214 0.65 0.8
--.SL9.Z. 1998-10-20T05:28:28.69 10.0 undecidable manual SG 326 0.444 -0.43 0.6
--.SGO.Z. 1998-10-20T05:28:27.51 10.0 undecidable manual PG 317 0.7326 0.01 1.6
--.ORI.Z. 1998-10-20T05:28:27.94 10.0 undecidable manual SG 83 0.3663 1.15 0.1
--.MGR.Z. 1998-10-20T05:28:25.95 10.0 undecidable manual SG 292 0.3219 0.69 0.4
--.TDS.Z. 1998-10-20T05:28:22.34 10.0 undecidable manual PG 139 0.4551 -0.05 2
--.SL9.Z. 1998-10-20T05:28:21.32 10.0 undecidable manual PG 326 0.444 -0.89 0.6
--.ORI.Z. 1998-10-20T05:28:20.22 10.0 undecidable manual PG 83 0.3663 -0.64 1.1
--.MGR.Z. 1998-10-20T05:28:19.89 10.0 undecidable manual PG 292 0.3219 -0.09 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