Earthquake with magnitude of Md 2.3 on date 07-02-1999 and time 21:58:00 (Italy) in region 2 km S Castellaneta (TA)

A magnitude Md 2.3 earthquake occured in region: 2 km S Castellaneta (TA), on

  • 07-02-1999 20:58:00 (UTC)
  • 07-02-1999 21:58:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.611, 16.941 at 9 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
Castellaneta TA 2 17170 17170
Palagianello TA 3 7857 25027
Mottola TA 9 15997 41024
Palagiano TA 9 16067 57091
Laterza TA 12 15290 72381
Massafra TA 15 33003 105384
Ginosa TA 16 22632 128016

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Taranto (201100 inhabitants)
30 Km E of Matera (60436 inhabitants)
41 Km SE of Altamura (70396 inhabitants)
58 Km S of Bari (326344 inhabitants)
59 Km SE of Bitonto (55540 inhabitants)
72 Km SE of Molfetta (59874 inhabitants)
79 Km SE of Bisceglie (55422 inhabitants)
85 Km W of Brindisi (88302 inhabitants)
86 Km SE of Trani (56217 inhabitants)
87 Km SE of Andria (100440 inhabitants)
96 Km E of Potenza (67122 inhabitants)
97 Km SE of Barletta (94814 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
ML-VAX 1.6
1999-02-07
20:58:00
40.611 16.941 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 359009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-02-07 20:58:00 ± 0.509
Latitude 40.6110 ± 0.0299
Longitude 16.9410 ± 0.0528
Depth (km) 9 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 359009

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) 5564.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.00915
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 359009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:36:37

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 359009
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
--.ORI.Z. 1999-02-07T20:58:25.00 10.0 undecidable manual SG 214 0.0061 0.21 0.6
--.SL9.Z. 1999-02-07T20:58:20.87 10.0 undecidable manual PG 257 0.0091 -0.2 1.2
--.ORI.Z. 1999-02-07T20:58:14.80 10.0 undecidable manual PG 214 0.0061 0.08 1.6
--.BRT.Z. 1999-02-07T20:58:13.00 10.0 undecidable manual SG 30 0.0028 0.09 0.8
--.BRT.Z. 1999-02-07T20:58:08.00 10.0 undecidable manual PG 30 0.0028 0.14 2
--.LT9.Z. 1999-02-07T20:58:06.99 10.0 undecidable manual SG 265 0.0008 1.27 0
--.LT9.Z. 1999-02-07T20:58:03.00 10.0 undecidable manual PG 265 0.0008 -0.71 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