Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 06-04-2009 and time 20:50:08 (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 18:50:08 (UTC)
  • 06-04-2009 20:50:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2470, 13.4860 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
Rocca di Cambio AQ 1 533 533
Ocre AQ 4 1167 1700
Villa Sant'Angelo AQ 5 424 2124
Rocca di Mezzo AQ 5 1526 3650
Fossa AQ 5 721 4371
Sant'Eusanio Forconese AQ 6 394 4765
Fagnano Alto AQ 7 418 5183
San Demetrio ne' Vestini AQ 8 1854 7037
Poggio Picenze AQ 10 1136 8173
Fontecchio AQ 10 369 8542
Prata d'Ansidonia AQ 11 496 9038
Barisciano AQ 13 1828 10866
Ovindoli AQ 13 1227 12093
Lucoli AQ 13 1011 13104
Tione degli Abruzzi AQ 13 310 13414
L'Aquila AQ 14 69753 83167
San Pio delle Camere AQ 15 661 83828
Caporciano AQ 15 230 84058
Tornimparte AQ 16 3187 87245
Santo Stefano di Sessanio AQ 17 111 87356
Massa d'Albe AQ 17 1476 88832
Carapelle Calvisio AQ 17 87 88919
Castelvecchio Calvisio AQ 18 153 89072
Celano AQ 19 11017 100089
Secinaro AQ 19 359 100448
Calascio AQ 19 137 100585
Magliano de' Marsi AQ 20 3690 104275

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SE of L'Aquila (69753 inhabitants)
49 Km SW of Teramo (54892 inhabitants)
57 Km W of Chieti (51815 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
65 Km W of Pescara (121014 inhabitants)
65 Km E of Tivoli (56533 inhabitants)
68 Km E of Guidonia Montecelio (88673 inhabitants)
77 Km E of Terni (111501 inhabitants)
85 Km NE of Velletri (53303 inhabitants)
92 Km E of Roma (2864731 inhabitants)
99 Km NE of Latina (125985 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
18:50:08		 42.247 13.486 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 762049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 18:50:08 ± 0.12
Latitude 42.2470 ± 0.0054
Longitude 13.4860 ± 0.0097
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 762049

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 666
Semi-minor axis of confidence ellipse (meter) 539
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.57
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.14753
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 23
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 762049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:24:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SBPO.HHE. 2009-04-06T18:51:02.02 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHE. 2009-04-06T18:50:57.75 10.0 undecidable manual Sg 0 0 0
IV.PARC.HHN. 2009-04-06T18:50:46.54 10.0 undecidable manual Pg 0 0 0
IV.FSSB.SHZ. 2009-04-06T18:50:40.58 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHZ. 2009-04-06T18:50:39.97 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHE. 2009-04-06T18:50:38.50 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHE. 2009-04-06T18:50:37.06 10.0 undecidable manual Pg 0 0 0
IV.PTRJ.HHN. 2009-04-06T18:50:37.84 10.0 undecidable manual Pg 0 0 0
IV.AOI.HHZ. 2009-04-06T18:50:37.72 10.0 undecidable manual Pg 0 0 0
IV.SFI.EHE. 2009-04-06T18:50:36.58 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-06T18:50:36.38 10.0 undecidable manual Pg 0 0 0
IV.SGG.HHE. 2009-04-06T18:50:35.29 10.0 undecidable manual Pg 0 0 0
IV.VAGA.HHN. 2009-04-06T18:50:34.45 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-06T18:50:33.18 10.0 undecidable manual Pg 0 0 0
IV.CAFR.HHN. 2009-04-06T18:50:33.74 10.0 undecidable manual Pg 0 0 0
IV.RDP.BHE. 2009-04-06T18:50:32.04 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-04-06T18:50:30.89 0.3 undecidable manual Pg 349 127.3725 0.703 50
IV.RMP.HHN. 2009-04-06T18:50:29.95 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-06T18:50:29.99 0.6 undecidable manual Sg 335 71.7726 -0.868 35
IV.SDI.SHZ. 2009-04-06T18:50:29.59 0.1 undecidable manual Sg 156 65.2902 0.472 82
IV.ASSB.HHZ. 2009-04-06T18:50:28.92 0.3 undecidable manual Pg 323 111.0999 1.248 40
IV.FDMO.HHN. 2009-04-06T18:50:25.11 0.6 undecidable manual Pg 340 93.4398 0.159 42
IV.MIDA.HHZ. 2009-04-06T18:50:24.37 0.6 undecidable manual Pg 136 92.3409 -0.41 40
IV.CERA.HHN. 2009-04-06T18:50:23.20 0.1 undecidable manual Pg 148 84.3489 -0.347 81
IV.INTR.HHZ. 2009-04-06T18:50:23.04 0.1 undecidable manual Sg 127 43.2234 -0.191 91
IV.RNI2.HHE. 2009-04-06T18:50:23.82 0.3 undecidable manual Pg 137 81.5517 0.695 55
IV.MNS.HHZ. 2009-04-06T18:50:22.54 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-04-06T18:50:22.79 0.3 undecidable manual Sg 165 43.3233 -0.47 64
IV.GIUL.HHE. 2009-04-06T18:50:22.45 0.1 undecidable manual Pg 194 78.7656 -0.229 84
IV.OFFI.HHZ. 2009-04-06T18:50:22.84 0.3 undecidable manual Pg 12 78.0663 0.262 63
IV.TERO.HHZ. 2009-04-06T18:50:22.19 0.3 undecidable manual Sg 13 42.8238 -0.932 53
IV.NRCA.SHZ. 2009-04-06T18:50:21.99 0.3 undecidable manual Pg 335 71.7726 0.374 62
IV.MTCE.HHZ. 2009-04-06T18:50:21.53 0.3 undecidable manual Pg 248 65.9895 0.808 54
IV.VCEL.EHN. 2009-04-06T18:50:20.59 0.6 undecidable manual Sg 60 33.4443 -0.015 48
IV.SDI.SHZ. 2009-04-06T18:50:20.84 0.1 undecidable manual Pg 156 65.2902 0.229 87
IV.POFI.HHN. 2009-04-06T18:50:20.34 0.3 undecidable manual Pg 162 61.5939 0.298 64
IV.FIAM.HHN. 2009-04-06T18:50:19.73 0.3 undecidable manual Sg 275 30.3474 -0.063 72
.CAMP.---. 2009-04-06T18:50:19.17 0.6 undecidable manual Sg 349 32.6451 -1.238 31
IV.CERT.HHZ. 2009-04-06T18:50:18.50 0.1 undecidable manual Pg 232 53.0025 -0.221 89
IV.PTQR.SHZ. 2009-04-06T18:50:18.38 0.3 undecidable manual Sg 196 25.9518 -0.222 70
IV.GUAR.HHE. 2009-04-06T18:50:18.41 0.1 undecidable manual Pg 196 52.2033 -0.183 90
IV.TERO.HHZ. 2009-04-06T18:50:17.34 0.1 undecidable manual Pg 13 42.8238 0.195 91
IV.VVLD.HHZ. 2009-04-06T18:50:17.02 0.1 undecidable manual Pg 165 43.3233 -0.206 91
IV.INTR.HHZ. 2009-04-06T18:50:17.07 0.1 undecidable manual Pg 127 43.2234 -0.142 92
IV.VCEL.EHN. 2009-04-06T18:50:16.37 0.3 undecidable manual Pg 60 33.4443 0.668 61
.CAMP.---. 2009-04-06T18:50:15.78 0.1 undecidable manual Pg 349 32.6451 0.197 92
MN.AQU.HHZ. 2009-04-06T18:50:14.02 0.3 undecidable manual Sg 330 13.6752 -0.86 58
IV.PTQR.SHZ. 2009-04-06T18:50:14.43 0.3 undecidable manual Pg 196 25.9518 -0.112 71
IV.FIAM.HHN. 2009-04-06T18:50:14.87 0.3 undecidable manual Pg 275 30.3474 -0.359 67
MN.AQU.HHZ. 2009-04-06T18:50:13.01 0.1 negative manual Pg 330 13.6752 0.614 86
IV.FAGN.HHZ. 2009-04-06T18:50:13.11 0.3 undecidable manual Sg 75 8.2806 -0.398 69
IV.FAGN.HHZ. 2009-04-06T18:50:11.62 0.1 negative manual Pg 75 8.2806 0.018 100
IV.STR3.BHZ. 2009-04-06T18:49:58.75 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