Earthquake with magnitude of ML 2.3 on date 08-04-2009 and time 17:22:08 (Italy) in region 6 km E L'Aquila (AQ)

A magnitude ML 2.3 earthquake occured in region: 6 km E L'Aquila (AQ), on

  • 08-04-2009 15:22:08 (UTC)
  • 08-04-2009 17:22:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3740, 13.4610 at 20 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 6 69753 69753
Poggio Picenze AQ 9 1136 70889
Fossa AQ 9 721 71610
Ocre AQ 10 1167 72777
Sant'Eusanio Forconese AQ 11 394 73171
Barisciano AQ 12 1828 74999
San Demetrio ne' Vestini AQ 13 1854 76853
Villa Sant'Angelo AQ 13 424 77277
Lucoli AQ 14 1011 78288
Pizzoli AQ 15 4326 82614
Rocca di Cambio AQ 15 533 83147
Santo Stefano di Sessanio AQ 16 111 83258
Tornimparte AQ 16 3187 86445
Prata d'Ansidonia AQ 16 496 86941
Fagnano Alto AQ 16 418 87359
Scoppito AQ 17 3727 91086
Barete AQ 17 737 91823
Pietracamela TE 18 271 92094
San Pio delle Camere AQ 19 661 92755
Rocca di Mezzo AQ 19 1526 94281
Crognaleto TE 20 1297 95578
Fontecchio AQ 20 369 95947

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km E of L'Aquila (69753 inhabitants)
38 Km SW of Teramo (54892 inhabitants)
58 Km W of Chieti (51815 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
63 Km W of Pescara (121014 inhabitants)
70 Km E of Terni (111501 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km SE of Foligno (57155 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
97 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 2.3 2009-04-08
15:22:08
42.374 13.461 20 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 774759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 15:22:08 ± 0.11
Latitude 42.3740 ± 0.0045
Longitude 13.4610 ± 0.0073
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 774759

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 611
Semi-minor axis of confidence ellipse (meter) 157
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75093
Number of stations at which the event was observed 48
Number of stations from which data was used for origin computation 17
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 774759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:39:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2009-04-08T15:22:34.42 0.6 undecidable manual Sn 327 83.3499 1.102 32
IV.INTR.HHZ. 2009-04-08T15:22:26.00 0.3 undecidable manual Sn 138 54.3012 0.361 66
IV.NRCA.HHE. 2009-04-08T15:22:26.99 0.6 undecidable manual Sn 331 58.2972 0.293 45
IV.VVLD.HHZ. 2009-04-08T15:22:24.97 0.6 undecidable manual Sn 167 57.498 -1.52 26
.LNSS.HHE. 2009-04-08T15:22:22.76 0.3 undecidable manual Sn 307 42.7239 0.113 71
IV.PTQR.SHZ. 2009-04-08T15:22:22.15 0.3 undecidable manual Sn 187 39.3273 0.368 67
IV.CESI.HHZ. 2009-04-08T15:22:22.71 0.1 undecidable manual Pn 327 83.3499 -0.104 87
IV.GUAR.HHZ. 2009-04-08T15:22:21.07 0.3 undecidable manual Pn 191 65.49 0.996 51
IV.SDI.SHZ. 2009-04-08T15:22:21.75 0.6 undecidable manual Pn 159 79.0653 -0.407 42
IV.MTCE.HHZ. 2009-04-08T15:22:21.36 0.3 undecidable manual Pn 237 70.7736 0.475 63
IV.VCEL.EHZ. 2009-04-08T15:22:20.35 0.3 undecidable manual Sn 86 31.1466 0.628 63
IV.TERO.HHZ. 2009-04-08T15:22:19.11 0.3 undecidable manual Sg 23 29.9478 -0.316 69
IV.FIAM.HHZ. 2009-04-08T15:22:19.49 0.6 undecidable manual Sn 247 30.5472 -0.082 49
IV.NRCA.HHE. 2009-04-08T15:22:18.78 0.1 undecidable manual Pn 331 58.2972 -0.209 90
IV.CERT.HHZ. 2009-04-08T15:22:18.99 0.3 undecidable manual Pn 220 61.494 -0.478 63
IV.VVLD.HHZ. 2009-04-08T15:22:18.64 0.1 undecidable manual Pn 167 57.498 -0.231 90
IV.INTR.HHZ. 2009-04-08T15:22:17.97 0.1 undecidable manual Pn 138 54.3012 -0.412 87
IV.PTQR.SHZ. 2009-04-08T15:22:16.10 0.1 undecidable manual Pn 187 39.3273 -0.051 96
.LNSS.HHE. 2009-04-08T15:22:16.61 0.1 undecidable manual Pn 307 42.7239 -0.045 95
IV.FAGN.HHZ. 2009-04-08T15:22:16.34 0.3 undecidable manual Sg 140 15.6732 0.094 74
IV.CAMP.HHZ. 2009-04-08T15:22:16.65 0.3 undecidable manual Sg 347 18.4704 -0.144 73
IV.T0104.EHZ. 2009-04-08T15:22:15.35 0.3 undecidable manual Sg 261 10.1787 0.021 76
IV.VCEL.EHZ. 2009-04-08T15:22:15.12 0.1 undecidable manual Pn 86 31.1466 0.156 96
MN.AQU.HHZ. 2009-04-08T15:22:14.64 0.3 undecidable manual Sg 245 5.2947 -0.146 76
IV.TERO.HHZ. 2009-04-08T15:22:14.67 0.1 positive manual Pg 23 29.9478 -0.121 96
IV.FIAM.HHZ. 2009-04-08T15:22:14.96 0.1 undecidable manual Pn 247 30.5472 0.084 97
IV.CAMP.HHZ. 2009-04-08T15:22:13.33 0.1 undecidable manual Pg 347 18.4704 0.055 100
IV.FAGN.HHZ. 2009-04-08T15:22:13.01 0.1 undecidable manual Pg 140 15.6732 0.054 100
IV.T0104.EHZ. 2009-04-08T15:22:12.61 0.1 undecidable manual Pg 261 10.1787 0.18 99
MN.AQU.HHZ. 2009-04-08T15:22:11.69 0.1 undecidable manual Pg 245 5.2947 -0.423 95
IV.TRIV.HHE. 2009-04-08T15:21:25.71 10.0 undecidable manual Sg 0 0 0
IV.CING.HHZ. 2009-04-08T15:21:20.86 10.0 undecidable manual Sg 0 0 0
IV.ASQU.HHZ. 2009-04-08T15:21:20.59 10.0 undecidable manual Pg 0 0 0
IV.FIU.EHZ. 2009-04-08T15:21:17.63 10.0 undecidable manual Pg 0 0 0
IV.BSSO.HHZ. 2009-04-08T15:21:12.89 10.0 undecidable manual Pg 0 0 0
IV.MRB1.HHZ. 2009-04-08T15:21:11.00 10.0 undecidable manual Pg 0 0 0
IV.MODR.HHN. 2009-04-08T15:21:11.43 10.0 undecidable manual Pg 0 0 0
IV.TRIV.HHE. 2009-04-08T15:21:10.01 10.0 undecidable manual Pg 0 0 0
IV.TRTR.HHE. 2009-04-08T15:21:09.27 10.0 undecidable manual Sg 0 0 0
IV.RFI.SHZ. 2009-04-08T15:21:08.10 10.0 undecidable manual Pg 0 0 0
IV.SACS.HHZ. 2009-04-08T15:21:08.57 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHE. 2009-04-08T15:21:08.07 10.0 undecidable manual Pg 0 0 0
IV.USI.SHZ. 2009-04-08T15:21:08.27 10.0 undecidable manual Pg 0 0 0
IV.VAGA.HHE. 2009-04-08T15:21:07.13 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHZ. 2009-04-08T15:21:07.21 10.0 undecidable manual Sg 0 0 0
IV.LATE.HHZ. 2009-04-08T15:21:07.96 10.0 undecidable manual Pg 0 0 0
IV.TOLF.HHE. 2009-04-08T15:21:06.38 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-08T15:21:06.09 10.0 undecidable manual Pg 0 0 0
IV.FRES.HHE. 2009-04-08T15:21:06.59 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHE. 2009-04-08T15:21:06.11 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-04-08T15:21:04.88 10.0 undecidable manual Pg 0 0 0
IV.TRTR.HHE. 2009-04-08T15:21:03.68 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHZ. 2009-04-08T15:21:02.79 10.0 undecidable manual Pg 0 0 0
IV.MA9.HHZ. 2009-04-08T15:21:01.54 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHZ. 2009-04-08T15:21:01.07 10.0 undecidable manual Pg 0 0 0
IV.RDP.BHZ. 2009-04-08T15:21:01.00 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHZ. 2009-04-08T15:21:01.03 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-08T15:21:01.75 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHZ. 2009-04-08T15:21:00.59 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHZ. 2009-04-08T15:21:00.96 10.0 undecidable manual Pg 0 0 0
IV.CAFR.HHZ. 2009-04-08T15:20:58.83 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHZ. 2009-04-08T15:20:57.75 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHZ. 2009-04-08T15:20:56.85 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHN. 2009-04-08T15:20:55.84 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHE. 2009-04-08T15:20:38.61 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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