Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 09-04-2009 and time 17:23:11 (UTC) in region 11 km S Crognaleto (TE)

A magnitude ML 2.0 earthquake occured in region: 11 km S Crognaleto (TE), on

  • 09-04-2009 17:23:11 (UTC)
  • 09-04-2009 19:23:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4520, 13.4430 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.

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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
Crognaleto TE 11 1297 1297
L'Aquila AQ 12 69753 71050
Pizzoli AQ 12 4326 75376
Pietracamela TE 12 271 75647
Barete AQ 13 737 76384
Campotosto AQ 13 542 76926
Fano Adriano TE 14 296 77222
Capitignano AQ 14 665 77887
Poggio Picenze AQ 17 1136 79023
Scoppito AQ 18 3727 82750
Cagnano Amiterno AQ 18 1369 84119
Fossa AQ 18 721 84840
Montereale AQ 18 2581 87421
Barisciano AQ 18 1828 89249
Ocre AQ 19 1167 90416
Isola del Gran Sasso d'Italia TE 19 4773 95189
Sant'Eusanio Forconese AQ 19 394 95583
Cortino TE 20 656 96239
Lucoli AQ 20 1011 97250
Tossicia TE 20 1406 98656

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NE of L'Aquila (69753 inhabitants)
32 Km SW of Teramo (54892 inhabitants)
58 Km W of Montesilvano (53738 inhabitants)
61 Km W of Chieti (51815 inhabitants)
63 Km W of Pescara (121014 inhabitants)
66 Km E of Terni (111501 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km SE of Foligno (57155 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 2009-04-09
17:23:11		 42.452 13.443 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 781239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-09 17:23:11 ± 0.08
Latitude 42.4520 ± 0.0045
Longitude 13.4430 ± 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 781239

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 701
Semi-minor axis of confidence ellipse (meter) 322
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
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) 66
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55758
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 781239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:47:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SBPO.HHE. 2009-04-09T17:24:17.48 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHE. 2009-04-09T17:24:07.71 10.0 undecidable manual Sg 0 0 0
SI.ROSI.BHE. 2009-04-09T17:24:06.36 10.0 undecidable manual Sg 0 0 0
SI.ROSI.BHE. 2009-04-09T17:24:02.30 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHZ. 2009-04-09T17:24:00.09 10.0 undecidable manual Sg 0 0 0
IV.MGAB.HHE. 2009-04-09T17:23:50.24 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHE. 2009-04-09T17:23:49.11 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHE. 2009-04-09T17:23:47.40 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-04-09T17:23:47.45 10.0 undecidable manual Pg 0 0 0
IV.AOI.HHZ. 2009-04-09T17:23:44.13 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHE. 2009-04-09T17:23:44.59 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHZ. 2009-04-09T17:23:43.25 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-04-09T17:23:40.47 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHZ. 2009-04-09T17:23:39.29 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-09T17:23:38.58 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-04-09T17:23:35.95 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHN. 2009-04-09T17:23:35.38 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHE. 2009-04-09T17:23:34.31 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHE. 2009-04-09T17:23:33.98 10.0 undecidable manual Pg 0 0 0
IV.OC9.EHZ. 2009-04-09T17:23:33.99 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHN. 2009-04-09T17:23:33.09 10.0 undecidable manual Pg 0 0 0
IV.CESX.HHE. 2009-04-09T17:23:33.99 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHN. 2009-04-09T17:23:32.70 0.1 undecidable manual Pg 0 0 0
IV.INTR.HHN. 2009-04-09T17:23:31.10 0.6 undecidable manual Sg 142 61.8936 0.62 40
IV.NRCA.HHZ. 2009-04-09T17:23:27.32 0.3 undecidable manual Sg 328 50.1165 -0.023 71
IV.PTQR.SHZ. 2009-04-09T17:23:24.92 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHN. 2009-04-09T17:23:23.81 0.3 undecidable manual Sg 297 36.9297 -0.02 73
IV.INTR.HHN. 2009-04-09T17:23:22.54 0.3 undecidable manual Pg 142 61.8936 0.184 68
IV.NRCA.HHZ. 2009-04-09T17:23:20.45 0.1 undecidable manual Pg 328 50.1165 -0.094 94
IV.FAGN.HHN. 2009-04-09T17:23:19.39 0.3 undecidable manual Sg 151 23.6541 -0.771 61
IV.TERO.HHZ. 2009-04-09T17:23:19.66 0.1 undecidable manual Sg 35 23.0547 -0.295 94
IV.VCEL.EHZ. 2009-04-09T17:23:18.13 0.3 undecidable manual Pg 101 33.1446 0.195 71
IV.LNSS.HHN. 2009-04-09T17:23:18.29 0.1 undecidable manual Pg 297 36.9297 -0.225 93
IV.FIAM.HHZ. 2009-04-09T17:23:17.67 0.3 undecidable manual Pg 233 33.6441 -0.335 69
IV.TERO.HHZ. 2009-04-09T17:23:16.26 0.1 undecidable manual Pg 35 23.0547 -0.016 100
IV.CAMP.HHZ. 2009-04-09T17:23:16.20 0.3 undecidable manual Sg 343 9.6792 0.138 75
IV.FAGN.HHN. 2009-04-09T17:23:16.54 0.1 undecidable manual Pg 151 23.6541 0.142 97
MN.AQU.HHZ. 2009-04-09T17:23:16.47 0.3 undecidable manual Sg 197 11.3775 -0.032 76
IV.CAMP.HHZ. 2009-04-09T17:23:14.44 0.1 undecidable manual Pg 343 9.6792 0.412 94
MN.AQU.HHZ. 2009-04-09T17:23:14.52 0.1 undecidable manual Pg 197 11.3775 0.236 98
IV.SDI.SHZ. 2009-04-09T17:22:27.45 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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