Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 06-04-2009 and time 16:11:04 (Italy) in region 4 km NW Ocre (AQ)

A magnitude ML 2.2 earthquake occured in region: 4 km NW Ocre (AQ), on

  • 06-04-2009 14:11:04 (UTC)
  • 06-04-2009 16:11:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3140, 13.4490 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
Ocre AQ 4 1167 1167
Fossa AQ 4 721 1888
L'Aquila AQ 6 69753 71641
Sant'Eusanio Forconese AQ 7 394 72035
Poggio Picenze AQ 8 1136 73171
Villa Sant'Angelo AQ 9 424 73595
Rocca di Cambio AQ 9 533 74128
Lucoli AQ 9 1011 75139
San Demetrio ne' Vestini AQ 10 1854 76993
Barisciano AQ 12 1828 78821
Fagnano Alto AQ 12 418 79239
Tornimparte AQ 12 3187 82426
Rocca di Mezzo AQ 13 1526 83952
Prata d'Ansidonia AQ 14 496 84448
Fontecchio AQ 16 369 84817
Santo Stefano di Sessanio AQ 17 111 84928
Scoppito AQ 17 3727 88655
San Pio delle Camere AQ 17 661 89316
Pizzoli AQ 19 4326 93642
Carapelle Calvisio AQ 19 87 93729
Caporciano AQ 20 230 93959
Tione degli Abruzzi AQ 20 310 94269
Castelvecchio Calvisio AQ 20 153 94422

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km SE of L'Aquila (69753 inhabitants)
44 Km SW of Teramo (54892 inhabitants)
59 Km W of Chieti (51815 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
65 Km W of Pescara (121014 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km E of Terni (111501 inhabitants)
89 Km NE of Velletri (53303 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
94 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 2.2 2009-04-06
14:11:04		 42.314 13.449 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 760429
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 14:11:04 ± 0.08
Latitude 42.3140 ± 0.0045
Longitude 13.4490 ± 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 760429

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 589
Semi-minor axis of confidence ellipse (meter) 395
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
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) 59
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60524
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 760429
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:22:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RESU.HHE. 2009-04-06T14:11:30.87 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHZ. 2009-04-06T14:11:26.15 0.6 undecidable manual Sg 116 67.1772 0.602 40
IV.NRCA.HHZ. 2009-04-06T14:11:25.42 0.3 undecidable manual Sg 335 63.7917 0.782 56
IV.INTR.HHE. 2009-04-06T14:11:21.31 0.3 undecidable manual Sg 132 50.3163 0.29 68
IV.VVLD.HHN. 2009-04-06T14:11:20.95 0.3 undecidable manual Sg 164 51.3153 -0.342 67
IV.TERO.HHZ. 2009-04-06T14:11:16.89 0.3 undecidable manual Sg 20 36.5412 -0.475 67
IV.NRCA.HHZ. 2009-04-06T14:11:16.41 0.3 undecidable manual Pg 335 63.7917 0.117 69
IV.LPEL.HHZ. 2009-04-06T14:11:16.99 0.3 undecidable manual Pg 116 67.1772 0.172 67
IV.PTQR.SHZ. 2009-04-06T14:11:15.95 0.3 undecidable manual Sg 187 32.5452 -0.351 69
IV.VCEL.EHN. 2009-04-06T14:11:15.83 0.6 undecidable manual Sg 74 33.3444 -0.675 42
IV.CERT.HHE. 2009-04-06T14:11:15.02 0.3 undecidable manual Pg 224 55.7997 -0.032 71
IV.FIAM.HHE. 2009-04-06T14:11:15.07 0.3 undecidable manual Sg 260 27.6501 0.081 74
IV.VVLD.HHN. 2009-04-06T14:11:14.00 0.3 undecidable manual Pg 164 51.3153 -0.36 67
IV.INTR.HHE. 2009-04-06T14:11:14.21 0.1 undecidable manual Pg 132 50.3163 0.009 96
.CAMP.---. 2009-04-06T14:11:14.00 0.6 undecidable manual Sg 352 24.8529 -0.184 48
IV.ARVD.HHE. 2009-04-06T14:11:11.36 10.0 undecidable manual Pg 0 0 0
IV.PTQR.SHZ. 2009-04-06T14:11:11.34 0.6 undecidable manual Pg 187 32.5452 -0.138 48
IV.TERO.HHZ. 2009-04-06T14:11:11.85 0.1 undecidable manual Pg 20 36.5412 -0.241 94
IV.VCEL.EHN. 2009-04-06T14:11:11.96 0.1 undecidable manual Pg 74 33.3444 0.366 92
IV.FIAM.HHE. 2009-04-06T14:11:10.90 0.1 undecidable manual Pg 260 27.6501 0.177 96
IV.FAGN.HHZ. 2009-04-06T14:11:10.60 0.6 undecidable manual Sg 116 12.2766 0.23 49
.CAMP.---. 2009-04-06T14:11:10.04 0.3 undecidable manual Pg 352 24.8529 -0.217 72
MN.AQU.HHZ. 2009-04-06T14:11:08.63 0.3 undecidable manual Sg 319 5.8941 -0.272 74
IV.FAGN.HHZ. 2009-04-06T14:11:08.18 0.1 undecidable manual Pg 116 12.2766 0.124 100
MN.AQU.HHZ. 2009-04-06T14:11:07.40 0.1 undecidable manual Pg 319 5.8941 0.192 100
IV.CING.HHN. 2009-04-06T14:11:05.75 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-04-06T14:11:00.49 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHN. 2009-04-06T14:10:55.20 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-06T14:10:54.61 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHE. 2009-04-06T14:10:53.25 10.0 undecidable manual Sg 0 0 0
IV.GIUL.HHE. 2009-04-06T14:10:51.18 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHZ. 2009-04-06T14:10:51.02 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-06T14:10:50.74 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2009-04-06T14:10:47.08 10.0 undecidable manual Sg 0 0 0
IV.FDMO.HHN. 2009-04-06T14:10:47.77 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHE. 2009-04-06T14:10:46.95 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2009-04-06T14:10:41.70 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