Earthquake with magnitude of ML 1.9 on date 06-04-2009 and time 18:31:59 (Italy) in region 2 km S Rocca di Cambio (AQ)

A magnitude ML 1.9 earthquake occured in region: 2 km S Rocca di Cambio (AQ), on

  • 06-04-2009 16:31:59 (UTC)
  • 06-04-2009 18:31:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2230, 13.4930 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 2 533 533
Rocca di Mezzo AQ 3 1526 2059
Villa Sant'Angelo AQ 7 424 2483
Ocre AQ 7 1167 3650
Fagnano Alto AQ 8 418 4068
Fossa AQ 8 721 4789
Sant'Eusanio Forconese AQ 8 394 5183
San Demetrio ne' Vestini AQ 9 1854 7037
Fontecchio AQ 10 369 7406
Ovindoli AQ 10 1227 8633
Prata d'Ansidonia AQ 11 496 9129
Poggio Picenze AQ 12 1136 10265
Tione degli Abruzzi AQ 12 310 10575
Barisciano AQ 14 1828 12403
Lucoli AQ 15 1011 13414
Massa d'Albe AQ 15 1476 14890
Caporciano AQ 15 230 15120
San Pio delle Camere AQ 15 661 15781
Celano AQ 16 11017 26798
L'Aquila AQ 16 69753 96551
Secinaro AQ 17 359 96910
Tornimparte AQ 18 3187 100097
Aielli AQ 18 1475 101572
Magliano de' Marsi AQ 18 3690 105262
Carapelle Calvisio AQ 18 87 105349
Santo Stefano di Sessanio AQ 18 111 105460
Castelvecchio Calvisio AQ 19 153 105613
Acciano AQ 19 327 105940
Cerchio AQ 20 1635 107575
Navelli AQ 20 554 108129

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SE of L'Aquila (69753 inhabitants)
52 Km SW of Teramo (54892 inhabitants)
57 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)
79 Km E of Terni (111501 inhabitants)
84 Km NE of Velletri (53303 inhabitants)
91 Km E of Roma (2864731 inhabitants)
97 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 1.9 2009-04-06
16:31:59
42.223 13.493 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 761229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 16:31:59 ± 0.06
Latitude 42.2230 ± 0.0036
Longitude 13.4930 ± 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 761229

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 279
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 565.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 20
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) 0.54139
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 761229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:23:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STR3.BHE. 2009-04-06T16:33:14.43 10.0 undecidable manual Sg 0 0 0
IV.LPEL.HHE. 2009-04-06T16:32:18.39 0.3 undecidable manual Sg 109 60.0954 -0.241 66
IV.TERO.HHN. 2009-04-06T16:32:14.91 0.3 undecidable manual Sg 12 45.2214 0.235 68
IV.PRMA.HHN. 2009-04-06T16:32:13.25 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-04-06T16:32:13.83 0.3 undecidable manual Sg 125 41.2254 0.227 68
IV.VVLD.HHZ. 2009-04-06T16:32:13.28 0.6 undecidable manual Sg 165 40.626 -0.168 46
IV.VCEL.EHE. 2009-04-06T16:32:12.12 0.6 undecidable manual Sg 56 34.3434 0.372 45
.CAMP.---. 2009-04-06T16:32:11.49 0.6 undecidable manual Sg 349 35.3424 -0.542 43
IV.LPEL.HHE. 2009-04-06T16:32:10.54 0.3 undecidable manual Pg 109 60.0954 -0.162 67
IV.FIAM.HHE. 2009-04-06T16:32:10.81 0.3 undecidable manual Sg 279 31.2465 -0.123 71
IV.INTR.HHZ. 2009-04-06T16:32:08.08 0.3 undecidable manual Pg 125 41.2254 0.282 67
IV.TERO.HHN. 2009-04-06T16:32:08.32 0.6 undecidable manual Pg 12 45.2214 -0.097 46
IV.PTQR.SHZ. 2009-04-06T16:32:08.78 0.3 undecidable manual Sg 199 23.5542 0.047 73
IV.VVLD.HHZ. 2009-04-06T16:32:07.37 0.3 undecidable manual Pg 165 40.626 -0.338 67
.CAMP.---. 2009-04-06T16:32:06.94 0.3 undecidable manual Pg 349 35.3424 0.051 71
IV.FIAM.HHE. 2009-04-06T16:32:06.16 0.1 undecidable manual Pg 279 31.2465 -0.095 95
MN.AQU.HHE. 2009-04-06T16:32:06.43 0.3 undecidable manual Sg 333 16.2726 -0.048 74
IV.VCEL.EHE. 2009-04-06T16:32:06.88 0.3 undecidable manual Pg 56 34.3434 0.151 70
IV.PTQR.SHZ. 2009-04-06T16:32:05.17 0.1 undecidable manual Pg 199 23.5542 0.185 95
MN.AQU.HHE. 2009-04-06T16:32:04.15 0.3 undecidable manual Pg 333 16.2726 0.464 68
IV.FAGN.HHZ. 2009-04-06T16:32:04.12 0.1 undecidable manual Sg 58 8.88 -0.344 94
IV.MIDA.HHE. 2009-04-06T16:32:03.09 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHZ. 2009-04-06T16:32:02.56 0.1 positive manual Pg 58 8.88 0.037 100
IV.FDMO.HHN. 2009-04-06T16:32:02.97 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHE. 2009-04-06T16:32:01.11 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHN. 2009-04-06T16:31:55.33 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHE. 2009-04-06T16:31:49.31 10.0 undecidable manual Pg 0 0 0
IV.BULG.HHN. 2009-04-06T16:31:13.23 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