Earthquake with magnitude of ML 1.7 on date 04-08-2008 and time 09:58:58 (Italy) in region 8 km SE Gravina in Puglia (BA)

A magnitude ML 1.7 earthquake occured in region: 8 km SE Gravina in Puglia (BA), on

  • 04-08-2008 07:58:58 (UTC)
  • 04-08-2008 09:58:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7520, 16.4590 at 27 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
Gravina in Puglia BA 8 43872 43872
Altamura BA 12 70396 114268
Matera MT 15 60436 174704
Grottole MT 18 2208 176912
Irsina MT 18 4960 181872
Grassano MT 20 5189 187061

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SW of Altamura (70396 inhabitants)
15 Km NW of Matera (60436 inhabitants)
45 Km SW of Bitonto (55540 inhabitants)
52 Km S of Molfetta (59874 inhabitants)
54 Km SW of Bari (326344 inhabitants)
55 Km S of Andria (100440 inhabitants)
55 Km S of Bisceglie (55422 inhabitants)
56 Km E of Potenza (67122 inhabitants)
58 Km S of Trani (56217 inhabitants)
65 Km S of Barletta (94814 inhabitants)
72 Km W of Taranto (201100 inhabitants)
74 Km SE of Cerignola (58396 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 1.8
ML 1.7
2008-08-04
07:58:58
40.752 16.459 27 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 708659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-08-04 07:58:58 ± 0.39
Latitude 40.7520 ± 0.0081
Longitude 16.4590 ± 0.0202
Depth (km) 27 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 708659

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1521
Semi-minor axis of confidence ellipse (meter) 896
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
Circular confidence region, given by single value of horizontal uncertainty (meter) 1923.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 210
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21224
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 708659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:25:03

Md:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations
Type of magnitude Md
Reference to an origin 708659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:25:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SCHR.EHN. 2008-08-04T07:59:18.45 10.0 undecidable manual Pg 0 0 0
IV.NOCI.HHE. 2008-08-04T07:59:12.93 10.0 undecidable manual Pg 0 0 0
IV.CRAC.EHZ. 2008-08-04T07:59:11.95 10.0 undecidable manual Sg 0 0 0
IV.AMUR.HHN. 2008-08-04T07:59:08.24 0.6 undecidable manual Sg 35 21.0678 -0.116 49
IV.MIGL.HHN. 2008-08-04T07:59:07.69 0.6 undecidable manual Sg 185 16.3725 0.113 49
IV.CRAC.EHZ. 2008-08-04T07:59:06.81 10.0 undecidable manual Pg 0 0 0
IV.AMUR.HHN. 2008-08-04T07:59:04.12 0.1 undecidable manual Pg 35 21.0678 0.098 98
GE.MATE.HHZ. 2008-08-04T07:59:04.28 0.1 undecidable manual Pg 119 23.5542 -0.001 100
IV.MIGL.HHN. 2008-08-04T07:59:03.47 0.1 undecidable manual Pg 185 16.3725 -0.1 99
IV.GIB.EHE. 2008-08-04T07:58:48.34 10.0 undecidable manual Pg 0 0 0
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