Earthquake with magnitude of ML 2.0 on date 08-04-2009 and time 09:32:51 (Italy) in region 4 km E L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 4 km E L'Aquila (AQ), on

  • 08-04-2009 07:32:51 (UTC)
  • 08-04-2009 09:32:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3600, 13.4480 at 10 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
L'Aquila AQ 4 69753 69753
Fossa AQ 8 721 70474
Ocre AQ 9 1167 71641
Poggio Picenze AQ 9 1136 72777
Sant'Eusanio Forconese AQ 10 394 73171
Lucoli AQ 12 1011 74182
San Demetrio ne' Vestini AQ 12 1854 76036
Barisciano AQ 12 1828 77864
Villa Sant'Angelo AQ 12 424 78288
Rocca di Cambio AQ 14 533 78821
Tornimparte AQ 14 3187 82008
Pizzoli AQ 15 4326 86334
Scoppito AQ 16 3727 90061
Fagnano Alto AQ 16 418 90479
Prata d'Ansidonia AQ 16 496 90975
Santo Stefano di Sessanio AQ 17 111 91086
Barete AQ 17 737 91823
Rocca di Mezzo AQ 18 1526 93349
San Pio delle Camere AQ 19 661 94010
Fontecchio AQ 19 369 94379

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km E of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
59 Km W of Chieti (51815 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
64 Km W of Pescara (121014 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
69 Km E of Terni (111501 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km SE of Foligno (57155 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
95 Km NE of Roma (2864731 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
ML 2.0 2009-04-08
07:32:51
42.36 13.448 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 772919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 07:32:51 ± 0.14
Latitude 42.3600 ± 0.0090
Longitude 13.4480 ± 0.0122
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 772919

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1082
Semi-minor axis of confidence ellipse (meter) 767
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 1414.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.59
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48563
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 772919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:37:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHE. 2009-04-08T07:33:08.17 10.0 undecidable manual Sg 0 0 0
IV.INTR.HHE. 2009-04-08T07:33:07.77 0.1 undecidable manual Sg 136 53.9016 -0.724 77
IV.LNSS.HHN. 2009-04-08T07:33:07.44 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHE. 2009-04-08T07:33:04.48 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHN. 2009-04-08T07:33:03.10 0.6 undecidable manual Sg 24 31.8459 0.502 44
IV.INTR.HHE. 2009-04-08T07:33:01.27 0.1 undecidable manual Pg 136 53.9016 0.033 93
IV.NRCA.HHE. 2009-04-08T07:33:01.19 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHZ. 2009-04-08T07:33:01.62 0.3 undecidable manual Sg 249 29.0487 -0.234 70
IV.VCEL.EHZ. 2009-04-08T07:32:58.71 0.1 undecidable manual Pg 83 32.3454 0.788 78
IV.FIAM.HHZ. 2009-04-08T07:32:58.25 0.3 undecidable manual Pg 249 29.0487 0.848 57
IV.CAMP.HHE. 2009-04-08T07:32:58.58 0.3 undecidable manual Sg 351 19.7691 -0.358 69
IV.PTQR.SHZ. 2009-04-08T07:32:58.46 0.1 undecidable manual Pg 186 37.7289 -0.285 91
IV.FAGN.HHZ. 2009-04-08T07:32:57.59 0.1 undecidable manual Sg 133 15.2736 0.007 100
IV.TERO.HHN. 2009-04-08T07:32:56.78 0.6 undecidable manual Pg 24 31.8459 -1.053 35
.T0104.EHE. 2009-04-08T07:32:56.19 0.3 undecidable manual Sg 270 8.9799 0.301 71
IV.FAGN.HHZ. 2009-04-08T07:32:55.40 0.1 undecidable manual Pg 133 15.2736 0.463 91
IV.CAMP.HHE. 2009-04-08T07:32:55.55 0.1 undecidable manual Pg 351 19.7691 -0.169 96
.T0104.EHE. 2009-04-08T07:32:54.44 0.3 undecidable manual Pg 270 8.9799 0.481 69
MN.AQU.HHN. 2009-04-08T07:32:54.62 0.1 undecidable manual Sg 260 3.8961 -0.289 96
MN.AQU.HHN. 2009-04-08T07:32:53.09 0.1 undecidable manual Pg 260 3.8961 -0.303 96
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
Waveforms Seismic signals in miniseed + resp format Download