Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 09-04-2009 and time 01:22:11 (Italy) in region 5 km E Capitignano (AQ)

A magnitude ML 2.3 earthquake occured in region: 5 km E Capitignano (AQ), on

  • 08-04-2009 23:22:11 (UTC)
  • 09-04-2009 01:22:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5030, 13.3560 at 9 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Capitignano AQ 5 665 665
Campotosto AQ 6 542 1207
Barete AQ 8 737 1944
Pizzoli AQ 9 4326 6270
Montereale AQ 9 2581 8851
Crognaleto TE 11 1297 10148
Cagnano Amiterno AQ 12 1369 11517
Amatrice RI 15 2657 14174
Fano Adriano TE 16 296 14470
Pietracamela TE 17 271 14741
Scoppito AQ 17 3727 18468
L'Aquila AQ 17 69753 88221
Borbona RI 18 617 88838
Cortino TE 18 656 89494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of L'Aquila (69753 inhabitants)
34 Km SW of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
69 Km W of Chieti (51815 inhabitants)
71 Km W of Pescara (121014 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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 		Md 2.6
ML 2.3 		2009-04-08
23:22:11		 42.503 13.356 9 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 776539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 23:22:11 ± 0.09
Latitude 42.5030 ± 0.0045
Longitude 13.3560 ± 0.0085
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 776539

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 653
Semi-minor axis of confidence ellipse (meter) 518
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
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) 50
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94699
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 776539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:45

Md:2.6

Field Value
Value 2.6
Uncertainty 0.5
Num. used stations
Type of magnitude Md
Reference to an origin 776539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AOI.HHE. 2009-04-08T23:22:48.91 10.0 undecidable manual Sg 0 0 0
IV.STR3.BHE. 2009-04-08T23:22:44.74 10.0 undecidable manual Pg 0 0 0
IV.PARC.HHZ. 2009-04-08T23:22:43.22 10.0 undecidable manual Pg 0 0 0
IV.SGG.HHE. 2009-04-08T23:22:42.56 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-08T23:22:37.86 10.0 undecidable manual Sg 0 0 0
IV.FSSB.SHZ. 2009-04-08T23:22:35.25 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-04-08T23:22:34.34 10.0 undecidable manual Pg 0 0 0
IV.TOLF.HHZ. 2009-04-08T23:22:34.38 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHZ. 2009-04-08T23:22:32.99 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-04-08T23:22:32.94 0.1 undecidable manual Sg 140 70.6737 0.041 87
IV.TRTR.HHE. 2009-04-08T23:22:32.24 10.0 undecidable manual Sg 0 0 0
IV.SDI.SHZ. 2009-04-08T23:22:32.34 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHZ. 2009-04-08T23:22:31.30 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHZ. 2009-04-08T23:22:31.04 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-08T23:22:31.89 10.0 undecidable manual Pg 0 0 0
IV.AOI.HHE. 2009-04-08T23:22:31.18 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHZ. 2009-04-08T23:22:30.00 0.3 undecidable manual Pg 185 105.117 0.981 46
IV.BULG.HHN. 2009-04-08T23:22:29.20 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-04-08T23:22:28.38 10.0 undecidable manual Pg 0 0 0
IV.TRTR.HHE. 2009-04-08T23:22:26.77 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHE. 2009-04-08T23:22:26.31 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-08T23:22:26.70 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHZ. 2009-04-08T23:22:26.45 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-04-08T23:22:25.18 0.1 undecidable manual Sg 332 41.625 0.044 93
IV.VCEL.EHZ. 2009-04-08T23:22:25.54 0.1 undecidable manual Sg 107 41.4252 0.45 84
IV.INTR.HHZ. 2009-04-08T23:22:23.30 0.1 undecidable manual Pg 140 70.6737 -0.422 82
IV.VVLD.HHZ. 2009-04-08T23:22:23.47 0.3 undecidable manual Pg 163 73.5708 -0.694 56
IV.CESI.HHZ. 2009-04-08T23:22:23.11 0.1 undecidable manual Pg 327 66.6777 0.006 90
IV.CESX.HHE. 2009-04-08T23:22:23.73 10.0 undecidable manual Pg 0 0 0
IV.MTCE.HHZ. 2009-04-08T23:22:23.73 0.3 undecidable manual Pg 224 73.2711 -0.389 61
IV.FDMO.HHZ. 2009-04-08T23:22:22.40 0.1 undecidable manual Pg 340 63.0924 -0.147 88
IV.FIAM.HHZ. 2009-04-08T23:22:22.17 0.6 undecidable manual Sg 217 32.5452 -0.54 43
IV.OFFI.HHZ. 2009-04-08T23:22:22.09 0.1 undecidable manual Pg 29 55.0005 0.802 73
IV.CERT.HHZ. 2009-04-08T23:22:22.97 0.1 undecidable manual Pg 207 68.6757 -0.436 82
IV.LNSS.HHZ. 2009-04-08T23:22:21.76 0.1 undecidable manual Sg 293 28.0497 0.315 91
IV.MNS.HHZ. 2009-04-08T23:22:21.43 0.1 undecidable manual Pg 257 56.6988 -0.134 89
IV.PTQR.SHZ. 2009-04-08T23:22:20.50 0.1 undecidable manual Pg 176 53.502 -0.56 81
IV.TERO.HHZ. 2009-04-08T23:22:19.31 0.1 undecidable manual Sg 57 24.2535 -0.889 74
IV.VCEL.EHZ. 2009-04-08T23:22:19.50 0.1 undecidable manual Pg 107 41.4252 0.289 88
IV.NRCA.HHZ. 2009-04-08T23:22:19.20 0.1 undecidable manual Pg 332 41.625 -0.034 93
IV.FAGN.HHN. 2009-04-08T23:22:18.29 0.1 undecidable manual Pg 145 32.2455 0.497 85
IV.T0104.EHE. 2009-04-08T23:22:17.93 0.1 undecidable manual Sg 185 15.873 0.345 93
IV.LNSS.HHZ. 2009-04-08T23:22:17.29 0.1 undecidable manual Pg 293 28.0497 0.184 94
MN.AQU.HHZ. 2009-04-08T23:22:17.79 0.1 undecidable manual Sg 167 16.9719 -0.107 95
IV.FIAM.HHZ. 2009-04-08T23:22:17.66 0.1 undecidable manual Pg 217 32.5452 -0.182 92
IV.TERO.HHZ. 2009-04-08T23:22:16.03 0.1 undecidable manual Pg 57 24.2535 -0.358 90
MN.AQU.HHZ. 2009-04-08T23:22:15.17 0.1 undecidable manual Pg 167 16.9719 0.114 96
IV.CAMP.HHZ. 2009-04-08T23:22:15.05 0.1 undecidable manual Sg 50 5.6943 0.069 100
IV.T0104.EHE. 2009-04-08T23:22:15.16 0.1 undecidable manual Pg 185 15.873 0.278 94
IV.CAMP.HHZ. 2009-04-08T23:22:13.72 0.1 undecidable manual Pg 50 5.6943 0.346 94
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