Earthquake with magnitude of Md 2.2 on date 23-05-1999 and time 12:18:56 (Italy) in region 2 km SE Atena Lucana (SA)

A magnitude Md 2.2 earthquake occured in region: 2 km SE Atena Lucana (SA), on

  • 23-05-1999 10:18:56 (UTC)
  • 23-05-1999 12:18:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.4440, 15.5710 at 11 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
Atena Lucana SA 2 2336 2336
Sala Consilina SA 5 12664 15000
Brienza PZ 6 4078 19078
San Pietro al Tanagro SA 7 1695 20773
Teggiano SA 8 7976 28749
Sant'Arsenio SA 8 2815 31564
San Rufo SA 9 1754 33318
Polla SA 10 5279 38597
Sasso di Castalda PZ 10 835 39432
Sassano SA 11 5013 44445
Sant'Angelo Le Fratte PZ 12 1429 45874
Monte San Giacomo SA 12 1572 47446
Satriano di Lucania PZ 13 2374 49820
Padula SA 14 5368 55188
Marsico Nuovo PZ 14 4098 59286
Savoia di Lucania PZ 14 1127 60413
Caggiano SA 15 2765 63178
Pertosa SA 15 690 63868
Paterno PZ 16 3368 67236
Corleto Monforte SA 16 592 67828
Auletta SA 18 2336 70164
Tito PZ 18 7332 77496
Sacco SA 18 492 77988
Vietri di Potenza PZ 18 2832 80820
Salvitelle SA 19 560 81380
Sant'Angelo a Fasanella SA 19 635 82015
Petina SA 20 1159 83174
Roscigno SA 20 817 83991
Piaggine SA 20 1311 85302
Buonabitacolo SA 20 2549 87851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Potenza (67122 inhabitants)
53 Km E of Battipaglia (50786 inhabitants)
73 Km E of Salerno (135261 inhabitants)
78 Km E of Cava de' Tirreni (53659 inhabitants)
84 Km SE of Avellino (54857 inhabitants)
90 Km W of Matera (60436 inhabitants)
93 Km W of Altamura (70396 inhabitants)
94 Km E of Scafati (50787 inhabitants)
96 Km S of Cerignola (58396 inhabitants)
96 Km E of Castellammare di Stabia (66466 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 2.2 1999-05-23
10:18:56
40.444 15.571 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 366449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-05-23 10:18:56 ± 0.19
Latitude 40.4440 ± 0.0086
Longitude 15.5710 ± 0.0149
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 366449

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) 1587.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00283
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 366449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:43:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MU9.Z. 1999-05-23T10:19:08.61 10.0 undecidable manual SG 349 0.3108 -0.24 0.3
--.MGR.Z. 1999-05-23T10:19:07.86 10.0 undecidable manual SG 182 0.3108 -0.47 0
--.SGO.Z. 1999-05-23T10:19:05.81 10.0 undecidable manual SG 300 0.222 -0.07 0.7
--.MU9.Z. 1999-05-23T10:19:03.72 10.0 undecidable manual PG 349 0.3108 0.06 1.4
--.MGR.Z. 1999-05-23T10:19:03.61 10.0 undecidable manual PG 182 0.3108 0.25 0.6
--.SGO.Z. 1999-05-23T10:19:02.30 10.0 undecidable manual PG 300 0.222 0.09 1.6
--.SL9.Z. 1999-05-23T10:19:01.50 10.0 undecidable manual SG 139 0.0666 0.27 0.3
--.SL9.Z. 1999-05-23T10:18:59.16 10.0 negative manual PG 139 0.0666 -0.09 3.1
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