Earthquake with magnitude of ML 0.9 on date 19-09-2009 and time 19:01:17 (Italy) in region 6 km N Gravina in Puglia (BA)

A magnitude ML 0.9 earthquake occured in region: 6 km N Gravina in Puglia (BA), on

  • 19-09-2009 17:01:17 (UTC)
  • 19-09-2009 19:01:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8690, 16.3990 at 11 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 6 43872 43872
Poggiorsini BA 13 1450 45322
Altamura BA 14 70396 115718
Irsina MT 19 4960 120678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km W of Altamura (70396 inhabitants)
28 Km NW of Matera (60436 inhabitants)
37 Km SW of Bitonto (55540 inhabitants)
41 Km S of Andria (100440 inhabitants)
41 Km SW of Molfetta (59874 inhabitants)
43 Km S of Bisceglie (55422 inhabitants)
45 Km S of Trani (56217 inhabitants)
49 Km SW of Bari (326344 inhabitants)
51 Km S of Barletta (94814 inhabitants)
56 Km E of Potenza (67122 inhabitants)
61 Km SE of Cerignola (58396 inhabitants)
83 Km NW of Taranto (201100 inhabitants)
94 Km SE of Manfredonia (57279 inhabitants)
97 Km SE of Foggia (151991 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 1.7
ML 0.9
2009-09-19
17:01:17
40.869 16.399 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 966729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-09-19 17:01:17 ± 0.16
Latitude 40.8690 ± 0.0108
Longitude 16.3990 ± 0.0119
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 966729

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1421
Semi-minor axis of confidence ellipse (meter) 684
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 35
Circular confidence region, given by single value of horizontal uncertainty (meter) 1562.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31836
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 966729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:28:25

Md:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 966729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:28:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHE. 2009-09-19T17:01:34.88 10.0 undecidable manual Pg 0 0 0
GE.MATE.HHN. 2009-09-19T17:01:28.82 0.6 undecidable manual Sg 133 35.3424 -0.275 46
IV.MRVN.HHN. 2009-09-19T17:01:27.13 0.6 undecidable manual Sg 321 27.3504 0.18 48
GE.MATE.HHN. 2009-09-19T17:01:24.37 0.3 undecidable manual Pg 133 35.3424 0.317 69
IV.AMUR.HHE. 2009-09-19T17:01:24.43 0.3 undecidable manual Sg 76 17.6712 0.05 75
IV.MRVN.HHN. 2009-09-19T17:01:22.60 0.3 undecidable manual Pg 321 27.3504 -0.214 72
IV.AMUR.HHE. 2009-09-19T17:01:21.26 0.1 undecidable manual Pg 76 17.6712 -0.07 100
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