Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 06-04-2009 and time 12:27:25 (Italy) in region 1 km NW Rocca di Cambio (AQ)

A magnitude ML 2.2 earthquake occured in region: 1 km NW Rocca di Cambio (AQ), on

  • 06-04-2009 10:27:25 (UTC)
  • 06-04-2009 12:27:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2440, 13.4760 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
Rocca di Cambio AQ 1 533 533
Ocre AQ 5 1167 1700
Rocca di Mezzo AQ 5 1526 3226
Fossa AQ 6 721 3947
Villa Sant'Angelo AQ 6 424 4371
Sant'Eusanio Forconese AQ 7 394 4765
Fagnano Alto AQ 8 418 5183
San Demetrio ne' Vestini AQ 9 1854 7037
Poggio Picenze AQ 10 1136 8173
Fontecchio AQ 11 369 8542
Prata d'Ansidonia AQ 12 496 9038
Lucoli AQ 13 1011 10049
Ovindoli AQ 13 1227 11276
Barisciano AQ 13 1828 13104
L'Aquila AQ 14 69753 82857
Tione degli Abruzzi AQ 14 310 83167
Tornimparte AQ 15 3187 86354
San Pio delle Camere AQ 16 661 87015
Caporciano AQ 16 230 87245
Massa d'Albe AQ 16 1476 88721
Santo Stefano di Sessanio AQ 18 111 88832
Carapelle Calvisio AQ 18 87 88919
Celano AQ 19 11017 99936
Magliano de' Marsi AQ 19 3690 103626
Castelvecchio Calvisio AQ 19 153 103779
Secinaro AQ 20 359 104138

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SE of L'Aquila (69753 inhabitants)
50 Km SW of Teramo (54892 inhabitants)
58 Km W of Chieti (51815 inhabitants)
63 Km W of Montesilvano (53738 inhabitants)
64 Km E of Tivoli (56533 inhabitants)
66 Km W of Pescara (121014 inhabitants)
67 Km E of Guidonia Montecelio (88673 inhabitants)
77 Km E of Terni (111501 inhabitants)
85 Km NE of Velletri (53303 inhabitants)
91 Km E of Roma (2864731 inhabitants)
98 Km NE of Latina (125985 inhabitants)
99 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
10:27:25		 42.244 13.476 9 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 759079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 10:27:25 ± 0.07
Latitude 42.2440 ± 0.0045
Longitude 13.4760 ± 0.0061
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 759079

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 472
Semi-minor axis of confidence ellipse (meter) 389
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 707.1
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 47
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56028
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 759079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:21:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2009-04-06T10:27:45.32 0.3 undecidable manual Sg 110 62.1933 0.03 69
IV.CERT.HHE. 2009-04-06T10:27:42.73 0.6 undecidable manual Sg 231 52.2033 0.109 46
IV.INTR.HHZ. 2009-04-06T10:27:40.59 0.3 undecidable manual Sg 126 43.7229 0.229 69
IV.TERO.HHZ. 2009-04-06T10:27:40.24 0.6 undecidable manual Sg 14 43.3233 -0.027 48
IV.VVLD.HHZ. 2009-04-06T10:27:39.95 0.3 undecidable manual Sg 164 43.2234 -0.291 68
IV.LPEL.HHZ. 2009-04-06T10:27:36.88 0.1 undecidable manual Pg 110 62.1933 -0.196 89
IV.CERT.HHE. 2009-04-06T10:27:35.29 0.1 undecidable manual Pg 231 52.2033 -0.245 90
IV.PTQR.SHZ. 2009-04-06T10:27:35.27 0.6 undecidable manual Sg 194 25.3524 0.039 49
IV.INTR.HHZ. 2009-04-06T10:27:34.13 0.1 undecidable manual Pg 126 43.7229 -0.1 94
IV.TERO.HHZ. 2009-04-06T10:27:34.25 0.3 undecidable manual Pg 14 43.3233 0.076 71
IV.VVLD.HHZ. 2009-04-06T10:27:34.80 0.3 undecidable manual Pg 164 43.2234 0.642 61
IV.VCEL.EHZ. 2009-04-06T10:27:32.77 0.3 undecidable manual Pg 61 34.3434 -0.01 73
IV.FIAM.HHE. 2009-04-06T10:27:31.85 0.3 undecidable manual Pg 275 29.5482 -0.197 71
MN.AQU.HHZ. 2009-04-06T10:27:31.39 0.3 undecidable manual Sg 334 13.6752 -0.193 73
IV.PTQR.SHZ. 2009-04-06T10:27:31.27 0.3 undecidable manual Pg 194 25.3524 0.003 74
IV.FAGN.HHZ. 2009-04-06T10:27:30.13 0.3 undecidable manual Sg 75 9.1797 -0.272 72
MN.AQU.HHZ. 2009-04-06T10:27:29.70 0.3 undecidable manual Pg 334 13.6752 0.538 67
IV.FAGN.HHZ. 2009-04-06T10:27:28.58 0.1 positive manual Pg 75 9.1797 0.1 100
IV.GIUL.HHE. 2009-04-06T10:27:12.43 10.0 undecidable manual Sg 0 0 0
IV.MIDA.HHZ. 2009-04-06T10:27:08.56 10.0 undecidable manual Sg 0 0 0
MN.CEL.HHZ. 2009-04-06T10:27:08.88 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHZ. 2009-04-06T10:27:07.57 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-04-06T10:27:06.55 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHE. 2009-04-06T10:27:06.50 10.0 undecidable manual Pg 0 0 0
IV.VAGA.HHE. 2009-04-06T10:27:06.73 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHE. 2009-04-06T10:27:04.71 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHE. 2009-04-06T10:27:04.86 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHN. 2009-04-06T10:27:03.08 10.0 undecidable manual Pg 0 0 0
IV.CAFR.HHN. 2009-04-06T10:27:02.55 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHZ. 2009-04-06T10:27:02.60 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHZ. 2009-04-06T10:27:01.01 10.0 undecidable manual Sg 0 0 0
IV.TOLF.HHZ. 2009-04-06T10:27:00.57 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-04-06T10:27:00.79 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-06T10:26:58.31 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHZ. 2009-04-06T10:26:56.61 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHZ. 2009-04-06T10:26:55.02 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHN. 2009-04-06T10:26:53.22 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHE. 2009-04-06T10:26:53.84 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHZ. 2009-04-06T10:26:52.16 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHE. 2009-04-06T10:26:52.74 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-06T10:26:50.09 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHE. 2009-04-06T10:26:49.13 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHE. 2009-04-06T10:26:49.54 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-04-06T10:26:47.90 10.0 undecidable manual Pg 0 0 0
IV.MSAG.HHN. 2009-04-06T10:26:43.40 10.0 undecidable manual Pg 0 0 0
IV.STR4.BHN. 2009-04-06T10:26:43.38 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHZ. 2009-04-06T10:26:40.90 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
Waveforms Seismic signals in miniseed + resp format Download