Earthquake with magnitude of Md 2.1 on date 25-09-1998 and time 18:17:02 (Italy) in region 4 km N Castelluccio Superiore (PZ)

A magnitude Md 2.1 earthquake occured in region: 4 km N Castelluccio Superiore (PZ), on

  • 25-09-1998 16:17:02 (UTC)
  • 25-09-1998 18:17:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.0480, 15.9650 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 Superiore PZ 4 824 824
Castelluccio Inferiore PZ 5 2131 2955
Latronico PZ 6 4556 7511
Laino Borgo CS 10 1921 9432
Lauria PZ 11 12919 22351
Episcopia PZ 12 1434 23785
Rotonda PZ 12 3494 27279
Laino Castello CS 13 848 28127
Castelsaraceno PZ 13 1384 29511
Viggianello PZ 13 3025 32536
Nemoli PZ 14 1495 34031
Carbone PZ 15 638 34669
San Severino Lucano PZ 16 1563 36232
Trecchina PZ 16 2316 38548
Mormanno CS 18 3027 41575
Aieta CS 18 823 42398
Rivello PZ 18 2767 45165
Teana PZ 18 613 45778
San Chirico Raparo PZ 19 1084 46862
Fardella PZ 19 627 47489
Calvera PZ 19 387 47876
Lagonegro PZ 19 5584 53460

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km S of Potenza (67122 inhabitants)
87 Km SW of Matera (60436 inhabitants)
88 Km N of Cosenza (67546 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 2.1 1998-09-25
16:17:02
40.048 15.965 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 351949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-09-25 16:17:02 ± 0.31
Latitude 40.0480 ± 0.0319
Longitude 15.9650 ± 0.0267
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 351949

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) 4217.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00639
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 351949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:29:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1998-09-25T16:17:28.59 10.0 undecidable manual SG 315 0.7104 1.36 0
--.TDS.Z. 1998-09-25T16:17:18.61 10.0 undecidable manual SG 143 0.4773 -1.1 0.1
--.SL9.Z. 1998-09-25T16:17:17.50 10.0 undecidable manual SG 323 0.4218 -0.42 0.4
--.SGO.Z. 1998-09-25T16:17:16.30 10.0 undecidable manual PG 315 0.7104 -0.41 0.8
--.MGR.Z. 1998-09-25T16:17:15.29 10.0 undecidable manual SG 285 0.3219 0.56 0.3
--.TDS.Z. 1998-09-25T16:17:13.11 10.0 undecidable manual PG 143 0.4773 0.74 0.5
--.SL9.Z. 1998-09-25T16:17:11.23 10.0 negative manual PG 323 0.4218 -0.11 2.8
--.ORI.Z. 1998-09-25T16:17:10.33 10.0 undecidable manual PG 89 0.3552 0.1 1.4
--.MGR.Z. 1998-09-25T16:17:09.30 10.0 negative manual PG 285 0.3219 -0.19 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