Earthquake with magnitude of Md 2.4 on date 28-04-1999 and time 17:50:11 (Italy) in region 2 km NE Gallicchio (PZ)

A magnitude Md 2.4 earthquake occured in region: 2 km NE Gallicchio (PZ), on

  • 28-04-1999 15:50:11 (UTC)
  • 28-04-1999 17:50:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.299, 16.157 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
Gallicchio PZ 2 862 862
Missanello PZ 2 566 1428
Aliano MT 7 1008 2436
Armento PZ 8 631 3067
Guardia Perticara PZ 9 552 3619
Roccanova PZ 10 1543 5162
Cirigliano MT 11 375 5537
Gorgoglione MT 11 989 6526
San Martino d'Agri PZ 11 801 7327
Sant'Arcangelo PZ 12 6533 13860
Castronuovo di Sant'Andrea PZ 12 1067 14927
Stigliano MT 13 4361 19288
Corleto Perticara PZ 14 2511 21799
San Chirico Raparo PZ 14 1084 22883
Montemurro PZ 14 1235 24118
Spinoso PZ 17 1462 25580
Calvera PZ 17 387 25967
Carbone PZ 18 638 26605
Teana PZ 19 613 27218
Chiaromonte PZ 20 1965 29183

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km SE of Potenza (67122 inhabitants)
56 Km SW of Matera (60436 inhabitants)
68 Km SW of Altamura (70396 inhabitants)
93 Km W of Taranto (201100 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 1999-04-28
15:50:11
40.299 16.157 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 364349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-04-28 15:50:11 ± 0.335
Latitude 40.2990 ± 0.0251
Longitude 16.1570 ± 0.0236
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 364349

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) 3435.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00615
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 364349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:41:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MGR.Z. 1999-04-28T15:50:29.30 10.0 undecidable manual SG 250 0.0044 -0.67 0.4
--.SL9.Z. 1999-04-28T15:50:27.37 10.0 undecidable manual SG 283 0.0036 0.05 0.9
--.ORI.Z. 1999-04-28T15:50:25.15 10.0 undecidable manual SG 138 0.0029 0.8 0.4
--.MU9.Z. 1999-04-28T15:50:25.96 10.0 undecidable manual PG 312 0.0062 0.13 1.7
--.MGR.Z. 1999-04-28T15:50:22.89 10.0 undecidable manual PG 250 0.0044 0.74 1
--.SL9.Z. 1999-04-28T15:50:20.37 10.0 undecidable manual PG 283 0.0036 -0.25 1.9
--.ORI.Z. 1999-04-28T15:50:18.16 10.0 undecidable manual PG 138 0.0029 -0.74 0.8
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