Earthquake with magnitude of ML 2.5 on date 08-04-2009 and time 16:25:29 (UTC) in region 4 km N L'Aquila (AQ)

A magnitude ML 2.5 earthquake occured in region: 4 km N L'Aquila (AQ), on

  • 08-04-2009 16:25:29 (UTC)
  • 08-04-2009 18:25:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3910, 13.3850 at 15 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 5 69753 69753
Pizzoli AQ 9 4326 74079
Scoppito AQ 11 3727 77806
Barete AQ 11 737 78543
Lucoli AQ 12 1011 79554
Tornimparte AQ 13 3187 82741
Fossa AQ 14 721 83462
Ocre AQ 14 1167 84629
Poggio Picenze AQ 15 1136 85765
Cagnano Amiterno AQ 15 1369 87134
Capitignano AQ 16 665 87799
Sant'Eusanio Forconese AQ 16 394 88193
San Demetrio ne' Vestini AQ 18 1854 90047
Barisciano AQ 18 1828 91875
Villa Sant'Angelo AQ 18 424 92299
Campotosto AQ 19 542 92841
Montereale AQ 19 2581 95422
Rocca di Cambio AQ 19 533 95955
Crognaleto TE 19 1297 97252

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km N of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
63 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
65 Km W of Chieti (51815 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
69 Km W of Pescara (121014 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km SE of Foligno (57155 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
93 Km NE of Velletri (53303 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 2.5
ML 2.5
2009-04-08
16:25:29
42.391 13.385 15 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 774969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 16:25:29 ± 0.07
Latitude 42.3910 ± 0.0036
Longitude 13.3850 ± 0.0073
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 774969

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 592
Semi-minor axis of confidence ellipse (meter) 235
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 721.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92180
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 774969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:39:54

Md:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 774969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:39:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACS.HHZ. 2009-04-08T16:26:11.72 10.0 undecidable manual Sg 0 0 0
IV.PARC.HHZ. 2009-04-08T16:26:00.20 10.0 undecidable manual Pn 0 0 0
IV.PTRJ.HHE. 2009-04-08T16:25:58.93 10.0 undecidable manual Pg 0 0 0
IV.CAFR.HHE. 2009-04-08T16:25:56.50 10.0 undecidable manual Pg 0 0 0
IV.FSSB.SHZ. 2009-04-08T16:25:55.58 10.0 undecidable manual Pg 0 0 0
IV.RDP.BHN. 2009-04-08T16:25:55.15 10.0 undecidable manual Pg 0 0 0
IV.VAGA.HHN. 2009-04-08T16:25:55.45 10.0 undecidable manual Pg 0 0 0
IV.LATE.HHE. 2009-04-08T16:25:55.11 10.0 undecidable manual Pg 0 0 0
IV.SGG.HHZ. 2009-04-08T16:25:55.97 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-08T16:25:55.68 10.0 undecidable manual Sg 0 0 0
IV.PIEI.HHE. 2009-04-08T16:25:55.25 10.0 undecidable manual Pg 0 0 0
IV.SACS.HHZ. 2009-04-08T16:25:54.72 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHE. 2009-04-08T16:25:54.16 10.0 undecidable manual Pg 0 0 0
IV.AOI.HHZ. 2009-04-08T16:25:53.81 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHE. 2009-04-08T16:25:52.50 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-08T16:25:51.95 10.0 undecidable manual Pg 0 0 0
IV.TOLF.HHE. 2009-04-08T16:25:51.95 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHZ. 2009-04-08T16:25:51.58 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHN. 2009-04-08T16:25:50.61 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-04-08T16:25:49.54 0.6 undecidable manual Sg 134 59.9955 1.18 30
IV.MIDA.HHZ. 2009-04-08T16:25:49.61 10.0 undecidable manual Pg 0 0 0
IV.CING.HHN. 2009-04-08T16:25:48.86 10.0 undecidable manual Pg 0 0 0
I1.MSCL.BHZ. 2009-04-08T16:25:48.41 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHZ. 2009-04-08T16:25:48.85 0.1 undecidable manual Sg 214 59.1963 0.692 78
IV.TRTR.HHE. 2009-04-08T16:25:48.16 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-08T16:25:46.95 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-04-08T16:25:46.21 0.1 undecidable manual Sg 336 53.8017 -0.525 82
IV.CERA.HHE. 2009-04-08T16:25:46.68 0.6 undecidable manual Pg 149 102.3198 -0.375 39
IV.ASSB.HHZ. 2009-04-08T16:25:46.45 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHN. 2009-04-08T16:25:45.89 0.3 undecidable manual Pg 187 93.0402 0.268 61
IV.SDI.SHZ. 2009-04-08T16:25:44.18 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHN. 2009-04-08T16:25:43.59 0.1 undecidable manual Pg 160 79.4649 0.057 87
IV.PTQR.SHZ. 2009-04-08T16:25:43.02 0.3 undecidable manual Sg 178 40.9257 -0.302 66
IV.CESI.HHN. 2009-04-08T16:25:43.34 0.3 undecidable manual Pg 330 78.5658 -0.061 65
IV.FDMO.HHZ. 2009-04-08T16:25:43.04 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHZ. 2009-04-08T16:25:42.72 0.6 undecidable manual Sg 89 37.3293 0.363 43
IV.GUAR.HHZ. 2009-04-08T16:25:42.02 0.1 undecidable manual Pg 185 66.4779 0.482 82
IV.LNSS.HHZ. 2009-04-08T16:25:42.56 0.3 undecidable manual Sg 310 36.741 0.358 67
IV.OFFI.HHN. 2009-04-08T16:25:41.98 0.1 undecidable manual Pg 22 65.0904 0.646 76
IV.MTCE.HHZ. 2009-04-08T16:25:41.42 0.1 undecidable manual Pg 233 66.7776 -0.167 87
IV.INTR.HHZ. 2009-04-08T16:25:40.35 0.1 undecidable manual Pg 134 59.9955 -0.187 89
IV.CERT.HHZ. 2009-04-08T16:25:40.15 0.1 undecidable manual Pg 214 59.1963 -0.275 86
IV.MNS.HHE. 2009-04-08T16:25:40.41 0.1 undecidable manual Pg 270 57.6978 0.217 88
IV.VVLD.HHZ. 2009-04-08T16:25:40.17 0.1 undecidable manual Pg 161 61.0944 -0.538 81
IV.TERO.HHZ. 2009-04-08T16:25:40.56 0.1 undecidable manual Sg 35 31.3464 -0.225 93
IV.FIAM.HHZ. 2009-04-08T16:25:39.50 0.1 undecidable manual Sg 238 25.8519 0.126 96
IV.NRCA.HHZ. 2009-04-08T16:25:39.33 0.1 undecidable manual Pg 336 53.8017 -0.273 87
IV.FAGN.HHZ. 2009-04-08T16:25:38.47 0.3 undecidable manual Sg 130 21.3675 0.224 70
IV.PTQR.SHZ. 2009-04-08T16:25:37.25 0.1 undecidable manual Pg 178 40.9257 -0.381 87
IV.CAMP.HHZ. 2009-04-08T16:25:37.33 0.1 undecidable manual Sg 7 16.1727 0.337 92
IV.LNSS.HHZ. 2009-04-08T16:25:36.97 0.1 undecidable manual Pg 310 36.741 -0.014 95
IV.VCEL.EHZ. 2009-04-08T16:25:36.97 0.1 undecidable manual Pg 89 37.3293 -0.104 94
IV.T0104.EHZ. 2009-04-08T16:25:35.03 0.1 undecidable manual Sg 228 5.1948 -0.004 99
IV.FIAM.HHZ. 2009-04-08T16:25:35.41 0.1 undecidable manual Pg 238 25.8519 0.059 97
IV.TERO.HHZ. 2009-04-08T16:25:35.93 0.1 undecidable manual Pg 35 31.3464 -0.236 93
IV.CAMP.HHZ. 2009-04-08T16:25:34.11 0.1 undecidable manual Pg 7 16.1727 0.134 96
MN.AQU.HHZ. 2009-04-08T16:25:34.72 0.1 undecidable manual Sg 162 4.3956 -0.236 95
IV.FAGN.HHZ. 2009-04-08T16:25:34.56 0.1 undecidable manual Pg 130 21.3675 -0.141 96
MN.AQU.HHZ. 2009-04-08T16:25:32.78 0.1 undecidable manual Pg 162 4.3956 -0.018 100
IV.T0104.EHZ. 2009-04-08T16:25:32.92 0.1 undecidable manual Pg 228 5.1948 0.076 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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