Earthquake with magnitude of Md 2.8 on date 28-04-1999 and time 12:48:07 (Italy) in region 7 km E Stigliano (MT)

A magnitude Md 2.8 earthquake occured in region: 7 km E Stigliano (MT), on

  • 28-04-1999 10:48:07 (UTC)
  • 28-04-1999 12:48:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.373, 16.306 at 7 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
Stigliano MT 7 4361 4361
Aliano MT 9 1008 5369
Cirigliano MT 12 375 5744
San Mauro Forte MT 14 1552 7296
Gorgoglione MT 14 989 8285
Sant'Arcangelo PZ 14 6533 14818
Missanello PZ 16 566 15384
Craco MT 16 745 16129
Gallicchio PZ 17 862 16991
Salandra MT 17 2829 19820
Guardia Perticara PZ 18 552 20372
Accettura MT 18 1856 22228
Ferrandina MT 19 8853 31081
Roccanova PZ 20 1543 32624

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SW of Matera (60436 inhabitants)
52 Km SE of Potenza (67122 inhabitants)
55 Km SW of Altamura (70396 inhabitants)
79 Km W of Taranto (201100 inhabitants)
88 Km SW of Bitonto (55540 inhabitants)
95 Km S of Andria (100440 inhabitants)
96 Km S of Molfetta (59874 inhabitants)
96 Km SW of Bari (326344 inhabitants)
98 Km S of Bisceglie (55422 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 2.8
ML-VAX 2.3
1999-04-28
10:48:07
40.373 16.306 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 364319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-04-28 10:48:07 ± 0.43
Latitude 40.3730 ± 0.0162
Longitude 16.3060 ± 0.0160
Depth (km) 7 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 364319

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) 2257.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.003
Epicentral distance of station farthest from the epicenter (degree) 0.01263
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 364319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:41:44

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 364319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.RGNG.Z. 1999-04-28T10:48:54.00 10.0 undecidable manual SN 337 0.0126 1.72 0
--.SGO.Z. 1999-04-28T10:48:35.00 10.0 undecidable manual SG 284 0.007 -0.06 0.8
--.BRT.Z. 1999-04-28T10:48:34.45 10.0 undecidable manual SG 51 0.0073 -1.58 0.1
--.RGNG.Z. 1999-04-28T10:48:34.50 10.0 undecidable manual PN 337 0.0126 1.13 0.5
--.LCI.Z. 1999-04-28T10:48:33.50 10.0 undecidable manual PN 91 0.0124 0.58 1.1
--.MU9.Z. 1999-04-28T10:48:33.63 10.0 undecidable manual SG 302 0.0066 0.16 0.8
--.TDS.Z. 1999-04-28T10:48:32.00 10.0 undecidable manual SG 178 0.0064 -0.86 0.4
--.MGR.Z. 1999-04-28T10:48:29.73 10.0 undecidable manual SG 248 0.0055 -0.13 0.8
--.LT9.Z. 1999-04-28T10:48:24.28 10.0 undecidable manual SG 59 0.004 -0.21 0.8
--.BRT.Z. 1999-04-28T10:48:23.84 10.0 undecidable manual PG 51 0.0073 -0.15 1.9
--.SGO.Z. 1999-04-28T10:48:22.41 10.0 undecidable manual PG 284 0.007 -1.02 0.8
--.MU9.Z. 1999-04-28T10:48:22.82 10.0 undecidable manual PG 302 0.0066 0.31 1.8
--.TDS.Z. 1999-04-28T10:48:21.50 10.0 undecidable manual PG 178 0.0064 -0.66 1.4
--.ORI.Z. 1999-04-28T10:48:20.96 10.0 undecidable manual SG 161 0.003 0.13 0.8
--.MGR.Z. 1999-04-28T10:48:19.88 10.0 undecidable manual PG 248 0.0055 -0.55 1.5
--.ORI.Z. 1999-04-28T10:48:16.70 10.0 positive manual PG 161 0.003 0.85 2.2
--.LT9.Z. 1999-04-28T10:48:16.69 10.0 undecidable manual PG 59 0.004 -0.64 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download