Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 30-04-2009 and time 05:07:36 (Italy) in region 6 km NW L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 6 km NW L'Aquila (AQ), on

  • 30-04-2009 03:07:36 (UTC)
  • 30-04-2009 05:07:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3840, 13.3350 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
L'Aquila AQ 6 69753 69753
Scoppito AQ 7 3727 73480
Pizzoli AQ 7 4326 77806
Barete AQ 9 737 78543
Lucoli AQ 10 1011 79554
Tornimparte AQ 11 3187 82741
Cagnano Amiterno AQ 12 1369 84110
Capitignano AQ 16 665 84775
Ocre AQ 16 1167 85942
Fossa AQ 16 721 86663
Montereale AQ 17 2581 89244
Poggio Picenze AQ 19 1136 90380
Sant'Eusanio Forconese AQ 19 394 90774
Campotosto AQ 20 542 91316

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NW of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
60 Km E of Terni (111501 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
69 Km W of Chieti (51815 inhabitants)
73 Km W of Pescara (121014 inhabitants)
82 Km SE of Foligno (57155 inhabitants)
89 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 2.0 2009-04-30
03:07:36		 42.384 13.335 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 842279
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-30 03:07:36 ± 0.08
Latitude 42.3840 ± 0.0045
Longitude 13.3350 ± 0.0073
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 842279

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 552
Semi-minor axis of confidence ellipse (meter) 425
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
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) 48
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.99645
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 21
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 842279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:58:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
HL.KEK.BHE. 2009-04-30T03:08:29.73 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHE. 2009-04-30T03:08:13.60 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHN. 2009-04-30T03:08:01.00 0.3 undecidable manual Sg 118 79.0653 0.469 61
IV.CESI.HHE. 2009-04-30T03:08:00.88 0.3 undecidable manual Sg 333 77.2671 0.821 53
IV.FDMO.HHE. 2009-04-30T03:08:00.01 0.3 undecidable manual Sg 344 75.1692 0.527 60
IV.GUMA.HHZ. 2009-04-30T03:08:00.29 0.6 undecidable manual Sg 360 75.2691 0.771 37
IV.SNTG.SHZ. 2009-04-30T03:07:59.36 10.0 undecidable manual Pg 0 0 0
IV.CESX.HHE. 2009-04-30T03:07:58.31 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHE. 2009-04-30T03:07:56.70 0.6 undecidable manual Sg 131 62.3931 0.614 40
IV.CING.HHN. 2009-04-30T03:07:55.49 0.3 undecidable manual Pg 354 110.6004 0.207 61
IV.GUAR.HHN. 2009-04-30T03:07:55.56 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-04-30T03:07:53.69 0.3 undecidable manual Sg 340 53.0025 0.112 69
IV.ASSB.HHN. 2009-04-30T03:07:52.23 0.6 undecidable manual Pg 323 91.5417 -0.117 43
IV.SDI.SHZ. 2009-04-30T03:07:51.32 0.6 undecidable manual Pg 152 84.4488 0.07 44
IV.VCEL.EHZ. 2009-04-30T03:07:50.60 0.3 undecidable manual Sg 88 41.4252 0.12 70
IV.CESI.HHE. 2009-04-30T03:07:50.13 0.3 undecidable manual Pg 333 77.2671 -0.026 67
IV.LPEL.HHN. 2009-04-30T03:07:50.50 0.3 undecidable manual Pg 118 79.0653 0.072 66
IV.FDMO.HHE. 2009-04-30T03:07:49.53 0.6 undecidable manual Pg 344 75.1692 -0.292 43
IV.PTQR.SHZ. 2009-04-30T03:07:49.94 1.0 undecidable manual Sg 172 40.5261 -0.3 23
IV.GUMA.HHZ. 2009-04-30T03:07:49.83 0.3 undecidable manual Pg 360 75.2691 -0.014 68
IV.OFFI.HHZ. 2009-04-30T03:07:49.33 0.3 undecidable manual Pg 25 67.4769 0.69 57
IV.LNSS.HHZ. 2009-04-30T03:07:48.96 0.3 undecidable manual Sg 315 34.2435 0.401 67
IV.INTR.HHE. 2009-04-30T03:07:47.60 0.3 undecidable manual Pg 131 62.3931 -0.262 66
IV.VVLD.HHE. 2009-04-30T03:07:47.17 0.3 undecidable manual Pg 157 61.7937 -0.593 60
IV.TERO.HHZ. 2009-04-30T03:07:47.62 0.3 undecidable manual Sg 40 34.4433 -0.989 54
IV.MNS.HHE. 2009-04-30T03:07:46.18 0.3 undecidable manual Pg 270 53.6019 -0.323 66
IV.FAGN.HHE. 2009-04-30T03:07:46.47 0.1 undecidable manual Sg 123 24.2535 0.803 79
IV.CERT.HHE. 2009-04-30T03:07:46.57 0.3 undecidable manual Pg 211 56.2992 -0.353 65
IV.NRCA.HHZ. 2009-04-30T03:07:45.99 0.3 undecidable manual Pg 340 53.0025 -0.424 65
IV.FIAM.HHZ. 2009-04-30T03:07:45.07 0.3 undecidable manual Sg 234 22.0668 0.112 73
IV.PTQR.SHZ. 2009-04-30T03:07:44.18 0.1 undecidable manual Pg 172 40.5261 -0.307 90
IV.VCEL.EHZ. 2009-04-30T03:07:44.22 0.3 undecidable manual Pg 88 41.4252 -0.405 66
IV.LNSS.HHZ. 2009-04-30T03:07:43.40 0.1 undecidable manual Pg 315 34.2435 -0.115 95
IV.CAMP.HHZ. 2009-04-30T03:07:43.30 0.3 undecidable manual Sg 20 17.871 -0.36 70
IV.TERO.HHZ. 2009-04-30T03:07:42.88 0.1 undecidable manual Pg 40 34.4433 -0.665 82
IV.FIAM.HHZ. 2009-04-30T03:07:41.58 0.1 undecidable manual Pg 234 22.0668 0.143 97
IV.FAGN.HHE. 2009-04-30T03:07:41.95 0.1 undecidable manual Pg 123 24.2535 0.104 97
IV.CAMP.HHZ. 2009-04-30T03:07:40.63 0.3 undecidable manual Pg 20 17.871 -0.057 74
MN.AQU.HHZ. 2009-04-30T03:07:40.49 0.1 undecidable manual Sg 121 6.3936 -0.125 100
MN.AQU.HHZ. 2009-04-30T03:07:39.04 0.1 undecidable manual Pg 121 6.3936 0.111 100
IV.RNI2.HHE. 2009-04-30T03:07:18.04 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHN. 2009-04-30T03:07:13.50 10.0 undecidable manual Pg 0 0 0
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