Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 06-04-2009 and time 20:33:05 (Italy) in region 5 km W Ocre (AQ)

A magnitude ML 2.2 earthquake occured in region: 5 km W Ocre (AQ), on

  • 06-04-2009 18:33:05 (UTC)
  • 06-04-2009 20:33:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2880, 13.4130 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
Ocre AQ 5 1167 1167
Lucoli AQ 6 1011 2178
Fossa AQ 6 721 2899
L'Aquila AQ 7 69753 72652
Rocca di Cambio AQ 9 533 73185
Sant'Eusanio Forconese AQ 9 394 73579
Tornimparte AQ 9 3187 76766
Villa Sant'Angelo AQ 11 424 77190
Poggio Picenze AQ 11 1136 78326
San Demetrio ne' Vestini AQ 12 1854 80180
Rocca di Mezzo AQ 12 1526 81706
Fagnano Alto AQ 14 418 82124
Barisciano AQ 15 1828 83952
Scoppito AQ 16 3727 87679
Prata d'Ansidonia AQ 16 496 88175
Fontecchio AQ 17 369 88544
Borgorose RI 18 4591 93135
Pizzoli AQ 19 4326 97461
Ovindoli AQ 19 1227 98688
Massa d'Albe AQ 20 1476 100164
San Pio delle Camere AQ 20 661 100825

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km S of L'Aquila (69753 inhabitants)
48 Km SW of Teramo (54892 inhabitants)
62 Km NE of Tivoli (56533 inhabitants)
63 Km W of Chieti (51815 inhabitants)
65 Km NE of Guidonia Montecelio (88673 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
69 Km W of Pescara (121014 inhabitants)
70 Km E of Terni (111501 inhabitants)
85 Km NE of Velletri (53303 inhabitants)
88 Km NE of Roma (2864731 inhabitants)
94 Km SE of Foligno (57155 inhabitants)
100 Km NE of Aprilia (73446 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
18:33:05		 42.288 13.413 9 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 761969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 18:33:05 ± 0.1
Latitude 42.2880 ± 0.0054
Longitude 13.4130 ± 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 761969

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 646
Semi-minor axis of confidence ellipse (meter) 382
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 922.0
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 45
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.58
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93529
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 21
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 761969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:24:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALO.HHE. 2009-04-06T18:33:43.93 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHZ. 2009-04-06T18:33:41.63 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHZ. 2009-04-06T18:33:35.54 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHN. 2009-04-06T18:33:34.50 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHE. 2009-04-06T18:33:33.68 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHN. 2009-04-06T18:33:33.27 0.3 undecidable manual Sg 333 89.6436 1.221 44
IV.FDMO.HHN. 2009-04-06T18:33:32.48 0.1 undecidable manual Sg 342 87.1461 1.096 63
IV.SGG.HHN. 2009-04-06T18:33:31.84 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHZ. 2009-04-06T18:33:30.90 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-06T18:33:26.15 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-06T18:33:25.02 0.3 undecidable manual Sg 338 65.1903 -0.505 63
IV.RNI2.HHN. 2009-04-06T18:33:25.61 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHZ. 2009-04-06T18:33:23.06 0.3 undecidable manual Pg 324 103.8183 0.187 63
IV.GIUL.HHE. 2009-04-06T18:33:22.95 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-04-06T18:33:21.11 0.1 undecidable manual Sg 159 49.617 -0.254 92
IV.MIDA.HHE. 2009-04-06T18:33:21.72 0.3 undecidable manual Pg 136 99.8223 -0.537 58
IV.INTR.HHZ. 2009-04-06T18:33:21.38 0.1 undecidable manual Sg 127 50.8158 -0.304 90
IV.CERA.HHN. 2009-04-06T18:33:21.29 0.1 undecidable manual Pg 147 91.4418 0.317 84
IV.CESI.HHN. 2009-04-06T18:33:20.26 0.1 undecidable manual Pg 333 89.6436 -0.431 82
IV.FDMO.HHN. 2009-04-06T18:33:20.13 0.1 undecidable manual Pg 342 87.1461 -0.168 87
IV.OFFI.HHN. 2009-04-06T18:33:19.63 0.1 undecidable manual Pg 17 75.0693 1.184 61
IV.TERO.HHN. 2009-04-06T18:33:18.29 0.3 undecidable manual Sg 23 40.2264 -0.582 64
IV.VCEL.EHZ. 2009-04-06T18:33:18.79 0.1 undecidable manual Sg 71 37.0296 0.784 79
IV.SDI.SHZ. 2009-04-06T18:33:17.82 0.1 undecidable manual Pg 153 72.0723 -0.163 90
IV.MTCE.HHZ. 2009-04-06T18:33:16.71 0.1 undecidable manual Pg 242 62.493 0.202 90
IV.NRCA.SHZ. 2009-04-06T18:33:16.33 0.3 undecidable manual Pg 338 65.1903 -0.594 61
IV.MNS.HHN. 2009-04-06T18:33:15.91 0.1 undecidable manual Pg 280 60.9945 -0.361 88
IV.PTQR.SHZ. 2009-04-06T18:33:15.73 0.3 undecidable manual Sg 182 29.5482 -0.149 73
IV.GUAR.HHE. 2009-04-06T18:33:15.80 0.1 undecidable manual Pg 189 55.4001 0.382 88
IV.CAMP.HHE. 2009-04-06T18:33:14.16 0.3 undecidable manual Sg 359 27.4503 -1.006 55
IV.VVLD.HHZ. 2009-04-06T18:33:14.16 0.1 undecidable manual Pg 159 49.617 -0.361 90
IV.INTR.HHZ. 2009-04-06T18:33:14.47 0.1 undecidable manual Pg 127 50.8158 -0.235 92
IV.FIAM.HHZ. 2009-04-06T18:33:14.32 0.1 undecidable manual Sg 265 24.3534 0.169 98
IV.CERT.HHZ. 2009-04-06T18:33:14.84 0.1 undecidable manual Pg 223 51.7038 -0.002 96
IV.VCEL.EHZ. 2009-04-06T18:33:13.03 0.1 undecidable manual Pg 71 37.0296 0.453 90
IV.TERO.HHN. 2009-04-06T18:33:12.08 0.1 undecidable manual Pg 23 40.2264 -1 72
IV.FAGN.HHZ. 2009-04-06T18:33:11.27 0.3 undecidable manual Sg 100 14.2746 0.291 73
IV.PTQR.SHZ. 2009-04-06T18:33:11.35 0.1 undecidable manual Pg 182 29.5482 0.003 100
IV.FIAM.HHZ. 2009-04-06T18:33:10.64 0.1 undecidable manual Pg 265 24.3534 0.288 95
IV.CAMP.HHE. 2009-04-06T18:33:10.64 0.1 undecidable manual Pg 359 27.4503 -0.296 94
MN.AQU.HHZ. 2009-04-06T18:33:08.99 0.3 undecidable manual Sg 353 7.2927 -0.141 76
IV.FAGN.HHZ. 2009-04-06T18:33:08.84 0.1 undecidable manual Pg 100 14.2746 0.32 96
MN.AQU.HHZ. 2009-04-06T18:33:07.73 0.1 undecidable manual Pg 353 7.2927 0.271 98
IV.RMP.HHN. 2009-04-06T18:32:48.43 10.0 undecidable manual Pg 0 0 0
IV.PRMA.HHN. 2009-04-06T18:32:28.27 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