Earthquake with magnitude of ML 1.8 on date 07-04-2009 and time 06:34:50 (Italy) in region 4 km SE Accettura (MT)

A magnitude ML 1.8 earthquake occured in region: 4 km SE Accettura (MT), on

  • 07-04-2009 04:34:50 (UTC)
  • 07-04-2009 06:34:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.4730, 16.2040 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
Accettura MT 4 1856 1856
San Mauro Forte MT 5 1552 3408
Oliveto Lucano MT 7 450 3858
Stigliano MT 8 4361 8219
Garaguso MT 9 1073 9292
Cirigliano MT 9 375 9667
Gorgoglione MT 10 989 10656
Salandra MT 12 2829 13485
Pietrapertosa PZ 13 1032 14517
Calciano MT 13 777 15294
Castelmezzano PZ 15 800 16094
Guardia Perticara PZ 15 552 16646
Campomaggiore PZ 15 811 17457
Corleto Perticara PZ 17 2511 19968
Tricarico MT 17 5388 25356
Aliano MT 18 1008 26364
Albano di Lucania PZ 19 1435 27799
Grassano MT 19 5189 32988
Laurenzana PZ 20 1797 34785

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SE of Potenza (67122 inhabitants)
40 Km SW of Matera (60436 inhabitants)
49 Km SW of Altamura (70396 inhabitants)
82 Km SW of Bitonto (55540 inhabitants)
84 Km S of Andria (100440 inhabitants)
87 Km W of Taranto (201100 inhabitants)
88 Km SW of Molfetta (59874 inhabitants)
89 Km S of Bisceglie (55422 inhabitants)
91 Km S of Trani (56217 inhabitants)
92 Km S of Cerignola (58396 inhabitants)
92 Km SW of Bari (326344 inhabitants)
94 Km S 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 2.0
ML 1.8
2009-04-07
04:34:50
40.473 16.204 27 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 765479
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-07 04:34:50 ± 0.19
Latitude 40.4730 ± 0.0054
Longitude 16.2040 ± 0.0071
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 765479

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 664
Semi-minor axis of confidence ellipse (meter) 307
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 848.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 19
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) 0.56298
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 765479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:28:45

Md:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 765479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:28:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HHN. 2009-04-07T04:35:15.00 10.0 undecidable manual Sg 0 0 0
IV.POFI.HHN. 2009-04-07T04:35:08.88 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-07T04:35:06.34 10.0 undecidable manual Pg 0 0 0
IV.MTSN.HHZ. 2009-04-07T04:35:05.80 0.3 undecidable manual Sg 239 44.622 -0.227 69
IV.SIRI.HHN. 2009-04-07T04:35:05.52 0.3 undecidable manual Sg 222 43.0236 -0.129 71
GE.MATE.HHZ. 2009-04-07T04:35:05.90 0.3 undecidable manual Sg 65 46.4202 -0.574 66
IV.ACER.HHZ. 2009-04-07T04:35:05.16 0.6 undecidable manual Sg 328 41.2254 -0.058 49
IV.VVLD.HHZ. 2009-04-07T04:35:03.46 10.0 undecidable manual Pg 0 0 0
IV.SCHR.EHZ. 2009-04-07T04:35:03.40 0.6 undecidable manual Sg 200 32.2455 0.235 48
IV.MCEL.HHN. 2009-04-07T04:35:03.93 0.3 undecidable manual Sg 244 37.7289 -0.48 66
IV.VCEL.EHE. 2009-04-07T04:35:01.34 10.0 undecidable manual Pg 0 0 0
IV.CRAC.EHZ. 2009-04-07T04:35:01.16 0.6 undecidable manual Sg 121 22.8549 -0.091 50
IV.FIAM.HHZ. 2009-04-07T04:35:01.20 10.0 undecidable manual Pg 0 0 0
MN.CUC.HHE. 2009-04-07T04:35:01.85 0.3 undecidable manual Pg 212 62.493 -0.247 67
IV.MIGL.HHN. 2009-04-07T04:35:01.34 0.1 undecidable manual Sg 54 24.753 -0.268 97
GE.MATE.HHZ. 2009-04-07T04:35:00.04 0.6 undecidable manual Pg 65 46.4202 0.253 46
IV.PTRP.EHZ. 2009-04-07T04:35:00.20 0.6 undecidable manual Sg 294 13.2756 0.481 46
IV.PTQR.SHZ. 2009-04-07T04:35:00.01 10.0 undecidable manual Pg 0 0 0
IV.ACER.HHZ. 2009-04-07T04:34:59.22 0.3 undecidable manual Pg 328 41.2254 0.16 70
IV.MTSN.HHZ. 2009-04-07T04:34:59.53 0.3 undecidable manual Pg 239 44.622 0.002 73
IV.SIRI.HHN. 2009-04-07T04:34:59.28 0.1 undecidable manual Pg 222 43.0236 -0.03 97
MN.AQU.HHE. 2009-04-07T04:34:59.34 10.0 undecidable manual Pg 0 0 0
IV.MCEL.HHN. 2009-04-07T04:34:58.72 0.1 undecidable manual Pg 244 37.7289 0.127 96
IV.SCHR.EHZ. 2009-04-07T04:34:58.00 0.1 undecidable manual Pg 200 32.2455 0.125 98
IV.CRAC.EHZ. 2009-04-07T04:34:57.11 0.1 undecidable manual Pg 121 22.8549 0.339 94
IV.PTRP.EHZ. 2009-04-07T04:34:56.13 0.1 undecidable manual Pg 294 13.2756 0.246 98
IV.MIGL.HHN. 2009-04-07T04:34:56.98 0.1 undecidable manual Pg 54 24.753 0.005 100
IV.ASSB.HHZ. 2009-04-07T04:34:49.08 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHE. 2009-04-07T04:34:44.33 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHZ. 2009-04-07T04:34:42.36 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHZ. 2009-04-07T04:34:42.09 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