Earthquake with magnitude of ML 2.5 on date 06-04-2009 and time 15:12:48 (Italy) in region 4 km NW L'Aquila (AQ)

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

  • 06-04-2009 13:12:48 (UTC)
  • 06-04-2009 15:12:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3750, 13.3590 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
Scoppito AQ 8 3727 73480
Pizzoli AQ 9 4326 77806
Lucoli AQ 9 1011 78817
Tornimparte AQ 10 3187 82004
Barete AQ 11 737 82741
Ocre AQ 14 1167 83908
Fossa AQ 14 721 84629
Cagnano Amiterno AQ 15 1369 85998
Poggio Picenze AQ 16 1136 87134
Sant'Eusanio Forconese AQ 17 394 87528
Capitignano AQ 17 665 88193
Rocca di Cambio AQ 19 533 88726
Villa Sant'Angelo AQ 19 424 89150
Montereale AQ 19 2581 91731
San Demetrio ne' Vestini AQ 19 1854 93585
Barisciano AQ 20 1828 95413

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km NW of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
62 Km E of Terni (111501 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
67 Km NE of Guidonia Montecelio (88673 inhabitants)
67 Km W of Chieti (51815 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
71 Km W of Pescara (121014 inhabitants)
84 Km SE of Foligno (57155 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
90 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
ML 2.5 2009-04-06
13:12:48
42.375 13.359 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 760109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 13:12:48 ± 0.09
Latitude 42.3750 ± 0.0045
Longitude 13.3590 ± 0.0085
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 760109

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 657
Semi-minor axis of confidence ellipse (meter) 395
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84177
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 760109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:22:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHE. 2009-04-06T13:13:29.64 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHN. 2009-04-06T13:13:29.18 10.0 undecidable manual Sg 0 0 0
IV.MAON.HHE. 2009-04-06T13:13:24.47 10.0 undecidable manual Pg 0 0 0
IV.PARC.HHZ. 2009-04-06T13:13:21.28 10.0 undecidable manual Pg 0 0 0
IV.CDRU.HHN. 2009-04-06T13:13:18.20 10.0 undecidable manual Pg 0 0 0
IV.FSSB.SHZ. 2009-04-06T13:13:17.65 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-04-06T13:13:16.95 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-06T13:13:16.39 10.0 undecidable manual Pg 0 0 0
IV.MCRV.HHZ. 2009-04-06T13:13:15.30 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHN. 2009-04-06T13:13:14.47 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHE. 2009-04-06T13:13:14.72 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHN. 2009-04-06T13:13:14.35 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHN. 2009-04-06T13:13:12.55 0.6 undecidable manual Sg 118 76.8675 0.94 34
IV.CRAC.EHZ. 2009-04-06T13:13:12.18 10.0 undecidable manual Pg 0 0 0
IV.MRLC.HHZ. 2009-04-06T13:13:12.17 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHZ. 2009-04-06T13:13:12.12 0.6 undecidable manual Sg 343 76.6677 0.586 39
IV.CING.HHZ. 2009-04-06T13:13:11.06 10.0 undecidable manual Pg 0 0 0
IV.TOLF.HHZ. 2009-04-06T13:13:11.46 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHE. 2009-04-06T13:13:10.98 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-06T13:13:10.89 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-04-06T13:13:07.49 0.6 undecidable manual Sg 132 60.2952 0.302 44
IV.CESI.HHZ. 2009-04-06T13:13:07.86 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHN. 2009-04-06T13:13:05.66 0.1 undecidable manual Sg 339 54.6009 -0.003 94
IV.CERT.HHN. 2009-04-06T13:13:05.82 0.6 undecidable manual Sg 213 56.5989 -0.359 43
IV.ASSB.HHE. 2009-04-06T13:13:04.45 0.1 undecidable manual Pg 323 93.4398 0.093 85
IV.FDMO.HHZ. 2009-04-06T13:13:01.56 0.3 undecidable manual Pg 343 76.6677 -0.2 65
IV.LPEL.HHN. 2009-04-06T13:13:01.76 0.3 undecidable manual Pg 118 76.8675 -0.04 67
IV.OFFI.HHZ. 2009-04-06T13:13:01.45 0.1 undecidable manual Pg 23 67.5768 1.086 64
IV.PTQR.SHZ. 2009-04-06T13:13:01.10 0.6 undecidable manual Sg 175 39.3273 -0.485 44
IV.VCEL.EHZ. 2009-04-06T13:13:01.14 0.6 undecidable manual Sg 87 39.5271 -0.491 43
IV.MNS.HHN. 2009-04-06T13:12:59.11 0.6 undecidable manual Pg 271 55.5999 0.596 41
IV.TERO.HHZ. 2009-04-06T13:12:59.54 0.1 undecidable manual Sg 36 33.9438 -0.616 84
IV.INTR.HHZ. 2009-04-06T13:12:59.31 0.3 undecidable manual Pg 132 60.2952 0.061 69
IV.VVLD.HHE. 2009-04-06T13:12:59.61 0.6 undecidable manual Pg 159 60.1953 0.388 43
IV.NRCA.HHN. 2009-04-06T13:12:58.16 0.1 undecidable manual Pg 339 54.6009 -0.208 90
IV.CERT.HHN. 2009-04-06T13:12:58.43 0.1 undecidable manual Pg 213 56.5989 -0.236 89
IV.FAGN.HHE. 2009-04-06T13:12:56.86 0.3 undecidable manual Sg 123 22.0668 0.035 74
IV.VCEL.EHZ. 2009-04-06T13:12:56.23 0.1 undecidable manual Pg 87 39.5271 0.19 93
IV.PTQR.SHZ. 2009-04-06T13:12:55.81 0.3 undecidable manual Pg 175 39.3273 -0.206 69
.CAMP.---. 2009-04-06T13:12:55.53 0.3 undecidable manual Sg 13 18.2706 -0.109 73
IV.TERO.HHZ. 2009-04-06T13:12:54.76 0.1 positive manual Pg 36 33.9438 -0.426 89
IV.FAGN.HHE. 2009-04-06T13:12:53.48 0.3 undecidable manual Pg 123 22.0668 0.215 71
IV.FIAM.HHE. 2009-04-06T13:12:53.48 0.1 positive manual Pg 239 23.1546 0.024 99
.CAMP.---. 2009-04-06T13:12:52.69 0.1 positive manual Pg 13 18.2706 0.11 98
MN.AQU.HHZ. 2009-04-06T13:12:51.91 0.1 undecidable manual Sg 124 4.2957 -0.284 97
MN.AQU.HHZ. 2009-04-06T13:12:50.71 0.1 negative manual Pg 124 4.2957 0.119 100
IV.RAFF.HHN. 2009-04-06T13:12:39.81 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHN. 2009-04-06T13:12:36.09 10.0 undecidable manual Pg 0 0 0
NI.AGOR.HHZ. 2009-04-06T13:12:19.68 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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