Earthquake with magnitude of ML 2.0 on date 21-05-2005 and time 20:21:51 (UTC) in region 1 km W Moliterno (PZ)

A magnitude ML 2.0 earthquake occured in region: 1 km W Moliterno (PZ), on

  • 21-05-2005 20:21:51 (UTC)
  • 21-05-2005 22:21:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2430, 15.8590 at 23 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
Moliterno PZ 1 4062 4062
Sarconi PZ 3 1404 5466
Grumento Nova PZ 5 1700 7166
Spinoso PZ 10 1462 8628
Tramutola PZ 11 3089 11717
Viggiano PZ 12 3329 15046
Montemurro PZ 13 1235 16281
Montesano sulla Marcellana SA 14 6704 22985
Castelsaraceno PZ 14 1384 24369
Marsicovetere PZ 15 5546 29915
Casalbuono SA 15 1194 31109
Lagonegro PZ 16 5584 36693
San Martino d'Agri PZ 16 801 37494
Paterno PZ 19 3368 40862
Armento PZ 19 631 41493
San Chirico Raparo PZ 19 1084 42577

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km S of Potenza (67122 inhabitants)
79 Km SW of Matera (60436 inhabitants)
85 Km SE of Battipaglia (50786 inhabitants)
88 Km SW of Altamura (70396 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 2.0
2005-05-21
20:21:51
40.243 15.859 23 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 519539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-05-21 20:21:51 ± 0.13
Latitude 40.2430 ± 0.0054
Longitude 15.8590 ± 0.0094
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 519539

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 810
Semi-minor axis of confidence ellipse (meter) 96
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
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) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.22663
Epicentral distance of station farthest from the epicenter (degree) 0.58456
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 519539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:04:38

Md:2.4

Field Value
Value 2.4
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 519539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:04:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRLC.HHZ. 2005-05-21T20:22:03.30 0.1 undecidable manual Pg 331 64.8906 0.026 93
MN.CUC.HHZ. 2005-05-21T20:22:02.38 0.3 undecidable manual Sg 188 27.9498 -0.294 36
IV.MGR.EHE. 2005-05-21T20:22:02.78 0.3 undecidable manual Sg 246 28.4493 -0.024 38
IV.SGO.SHZ. 2005-05-21T20:22:02.01 0.1 undecidable manual Pg 307 58.3971 -0.213 92
IV.SLCN.SHZ. 2005-05-21T20:22:02.15 0.3 undecidable manual Sg 310 25.1526 0.134 37
IV.ORI.SHZ. 2005-05-21T20:22:01.53 0.3 undecidable manual Pg 113 54.4011 -0.045 72
IV.SLCN.SHZ. 2005-05-21T20:21:57.29 0.1 negative manual Pg 310 25.1526 0.084 99
MN.CUC.HHZ. 2005-05-21T20:21:57.52 0.1 positive manual Pg 188 27.9498 -0.054 100
IV.MGR.EHE. 2005-05-21T20:21:57.95 0.1 undecidable manual Pg 246 28.4493 0.304 94
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