Earthquake with magnitude of Md 2.3 on date 04-05-1999 and time 05:37:17 (Italy) in region 6 km S Cirigliano (MT)

A magnitude Md 2.3 earthquake occured in region: 6 km S Cirigliano (MT), on

  • 04-05-1999 03:37:17 (UTC)
  • 04-05-1999 05:37:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.343, 16.174 at 5 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
Cirigliano MT 6 375 375
Aliano MT 6 1008 1383
Gorgoglione MT 6 989 2372
Gallicchio PZ 7 862 3234
Missanello PZ 7 566 3800
Guardia Perticara PZ 7 552 4352
Stigliano MT 8 4361 8713
Armento PZ 10 631 9344
Corleto Perticara PZ 12 2511 11855
Sant'Arcangelo PZ 14 6533 18388
Roccanova PZ 15 1543 19931
San Martino d'Agri PZ 16 801 20732
Montemurro PZ 16 1235 21967
Accettura MT 17 1856 23823
Castronuovo di Sant'Andrea PZ 17 1067 24890
San Mauro Forte MT 18 1552 26442
San Chirico Raparo PZ 19 1084 27526
Spinoso PZ 20 1462 28988

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SE of Potenza (67122 inhabitants)
51 Km SW of Matera (60436 inhabitants)
63 Km SW of Altamura (70396 inhabitants)
91 Km W of Taranto (201100 inhabitants)
96 Km SW of Bitonto (55540 inhabitants)
99 Km S of Andria (100440 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 2.3 1999-05-04
03:37:17
40.343 16.174 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 364949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-05-04 03:37:17 ± 0.621
Latitude 40.3430 ± 0.0410
Longitude 16.1740 ± 0.0389
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 364949

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) 5629.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 216
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00316
Epicentral distance of station farthest from the epicenter (degree) 0.00623
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 364949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:42:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SGO.Z. 1999-05-04T03:37:42.48 10.0 undecidable manual SG 288 0.0062 -0.05 0.6
--.MGR.Z. 1999-05-04T03:37:36.24 10.0 undecidable manual SG 246 0.0046 -0.58 0.4
--.SL9.Z. 1999-05-04T03:37:34.16 10.0 undecidable manual SG 276 0.0037 0.67 0.3
--.ORI.Z. 1999-05-04T03:37:32.74 10.0 undecidable manual SG 144 0.0032 1.46 0
--.SGO.Z. 1999-05-04T03:37:31.74 10.0 undecidable manual PG 288 0.0062 -0.17 1.3
--.MGR.Z. 1999-05-04T03:37:28.44 10.0 undecidable manual PG 246 0.0046 -0.17 1.6
--.SL9.Z. 1999-05-04T03:37:26.88 10.0 negative manual PG 276 0.0037 0.19 3.2
--.ORI.Z. 1999-05-04T03:37:24.72 10.0 undecidable manual PG 144 0.0032 -0.7 0.7
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