Earthquake with magnitude of ML 1.7 on date 06-04-2009 and time 23:11:56 (Italy) in region W Rocca di Cambio (AQ)

A magnitude ML 1.7 earthquake occured in region: W Rocca di Cambio (AQ), on

  • 06-04-2009 21:11:56 (UTC)
  • 06-04-2009 23:11:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2390, 13.4850 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.

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
Rocca di Mezzo AQ 4 1526 2059
Ocre AQ 5 1167 3226
Villa Sant'Angelo AQ 6 424 3650
Fossa AQ 6 721 4371
Sant'Eusanio Forconese AQ 7 394 4765
Fagnano Alto AQ 8 418 5183
San Demetrio ne' Vestini AQ 8 1854 7037
Fontecchio AQ 10 369 7406
Poggio Picenze AQ 10 1136 8542
Prata d'Ansidonia AQ 11 496 9038
Ovindoli AQ 12 1227 10265
Tione degli Abruzzi AQ 13 310 10575
Barisciano AQ 13 1828 12403
Lucoli AQ 13 1011 13414
L'Aquila AQ 14 69753 83167
San Pio delle Camere AQ 15 661 83828
Caporciano AQ 16 230 84058
Tornimparte AQ 16 3187 87245
Massa d'Albe AQ 16 1476 88721
Carapelle Calvisio AQ 18 87 88808
Santo Stefano di Sessanio AQ 18 111 88919
Celano AQ 18 11017 99936
Castelvecchio Calvisio AQ 19 153 100089
Secinaro AQ 19 359 100448
Magliano de' Marsi AQ 19 3690 104138
Aielli AQ 20 1475 105613
Calascio AQ 20 137 105750

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 SW of Montesilvano (53738 inhabitants)
64 Km E of Tivoli (56533 inhabitants)
65 Km W of Pescara (121014 inhabitants)
68 Km E of Guidonia Montecelio (88673 inhabitants)
78 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)
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 1.7 2009-04-06
21:11:56
42.239 13.485 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 763079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 21:11:56 ± 0.05
Latitude 42.2390 ± 0.0027
Longitude 13.4850 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 763079

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 375
Semi-minor axis of confidence ellipse (meter) 75
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47304
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 763079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:25:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SBPO.HHN. 2009-04-06T21:12:37.52 10.0 undecidable manual Pg 0 0 0
IV.STR4.BHZ. 2009-04-06T21:12:25.60 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHN. 2009-04-06T21:12:23.12 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-06T21:12:17.55 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHE. 2009-04-06T21:12:13.77 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2009-04-06T21:12:11.23 0.6 undecidable manual Sg 13 43.623 0.055 47
IV.VVLD.HHE. 2009-04-06T21:12:10.64 0.6 undecidable manual Sg 164 42.5241 -0.242 45
IV.INTR.HHZ. 2009-04-06T21:12:10.84 0.6 undecidable manual Sg 126 42.7239 -0.097 47
.CAMP.---. 2009-04-06T21:12:08.44 0.6 undecidable manual Sg 349 33.4443 -0.021 48
IV.FIAM.HHZ. 2009-04-06T21:12:07.56 0.3 undecidable manual Sg 276 30.3474 -0.07 72
.CERT.---. 2009-04-06T21:12:06.38 0.1 positive manual Pg 232 52.503 -0.072 93
IV.PTQR.SHZ. 2009-04-06T21:12:06.20 0.3 undecidable manual Sg 196 25.0527 0.061 73
IV.INTR.HHZ. 2009-04-06T21:12:05.01 0.1 undecidable manual Pg 126 42.7239 0.048 95
IV.TERO.HHZ. 2009-04-06T21:12:04.68 0.3 undecidable manual Pg 13 43.623 -0.414 66
IV.VVLD.HHE. 2009-04-06T21:12:04.91 0.3 undecidable manual Pg 164 42.5241 -0.02 71
.CAMP.---. 2009-04-06T21:12:03.87 0.3 undecidable manual Pg 349 33.4443 0.34 68
.VCEL.---. 2009-04-06T21:12:03.97 0.3 undecidable manual Pg 59 33.8439 0.382 67
IV.PTQR.SHZ. 2009-04-06T21:12:02.33 0.1 undecidable manual Pg 196 25.0527 0.139 96
IV.FIAM.HHZ. 2009-04-06T21:12:02.99 0.1 undecidable manual Pg 276 30.3474 -0.057 97
MN.AQU.HHZ. 2009-04-06T21:12:02.73 0.3 undecidable manual Sg 332 14.4744 -0.12 73
IV.FAGN.HHN. 2009-04-06T21:12:00.94 0.6 undecidable manual Sg 70 8.5803 -0.387 47
MN.AQU.HHZ. 2009-04-06T21:12:00.43 0.3 undecidable manual Pg 332 14.4744 0.143 73
IV.FAGN.HHN. 2009-04-06T21:11:59.48 0.1 undecidable manual Pg 70 8.5803 0.069 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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