Earthquake with magnitude of ML 1.9 on date 06-04-2009 and time 23:09:45 (Italy) in region 2 km W Rocca di Cambio (AQ)

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

  • 06-04-2009 21:09:45 (UTC)
  • 06-04-2009 23:09:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2350, 13.4710 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 5 1526 2059
Ocre AQ 6 1167 3226
Villa Sant'Angelo AQ 7 424 3650
Fossa AQ 7 721 4371
Sant'Eusanio Forconese AQ 8 394 4765
Fagnano Alto AQ 9 418 5183
San Demetrio ne' Vestini AQ 10 1854 7037
Fontecchio AQ 11 369 7406
Poggio Picenze AQ 11 1136 8542
Ovindoli AQ 12 1227 9769
Prata d'Ansidonia AQ 12 496 10265
Lucoli AQ 13 1011 11276
Tione degli Abruzzi AQ 14 310 11586
L'Aquila AQ 14 69753 81339
Barisciano AQ 14 1828 83167
Tornimparte AQ 15 3187 86354
Massa d'Albe AQ 15 1476 87830
San Pio delle Camere AQ 16 661 88491
Caporciano AQ 17 230 88721
Celano AQ 18 11017 99738
Magliano de' Marsi AQ 18 3690 103428
Santo Stefano di Sessanio AQ 19 111 103539
Carapelle Calvisio AQ 19 87 103626
Secinaro AQ 20 359 103985
Aielli AQ 20 1475 105460
Castelvecchio Calvisio AQ 20 153 105613

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SE of L'Aquila (69753 inhabitants)
51 Km SW of Teramo (54892 inhabitants)
59 Km W of Chieti (51815 inhabitants)
63 Km E of Tivoli (56533 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
66 Km W of Pescara (121014 inhabitants)
67 Km E of Guidonia Montecelio (88673 inhabitants)
77 Km E of Terni (111501 inhabitants)
84 Km NE of Velletri (53303 inhabitants)
90 Km E of Roma (2864731 inhabitants)
97 Km NE of Latina (125985 inhabitants)
98 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
21:09:45
42.235 13.471 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 763049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 21:09:45 ± 0.07
Latitude 42.2350 ± 0.0036
Longitude 13.4710 ± 0.0061
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 763049

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 554
Semi-minor axis of confidence ellipse (meter) 388
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40020
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 763049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:25:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.SHZ. 2009-04-06T21:10:37.38 10.0 undecidable manual Pg 0 0 0
IV.CAMP.HHZ. 2009-04-06T21:10:27.22 10.0 undecidable manual Pg 0 0 0
.INTR.---. 2009-04-06T21:10:00.68 0.6 undecidable manual Sg 125 43.4232 0.481 58
IV.TERO.HHZ. 2009-04-06T21:10:00.42 0.3 undecidable manual Sg 14 44.4222 -0.051 96
IV.VVLD.HHN. 2009-04-06T21:09:59.47 0.6 undecidable manual Sg 163 42.3243 -0.458 59
IV.FIAM.HHE. 2009-04-06T21:09:56.45 0.3 undecidable manual Sg 277 29.3484 0.006 99
IV.PTQR.SHZ. 2009-04-06T21:09:55.16 0.3 undecidable manual Sg 194 24.2535 0.204 96
IV.TERO.HHZ. 2009-04-06T21:09:54.36 0.3 undecidable manual Pg 14 44.4222 0.059 95
IV.VVLD.HHN. 2009-04-06T21:09:54.43 0.6 undecidable manual Pg 163 42.3243 0.445 59
.INTR.---. 2009-04-06T21:09:53.98 0.3 undecidable manual Pg 125 43.4232 -0.165 94
IV.VCEL.EHE. 2009-04-06T21:09:52.77 0.3 undecidable manual Pg 59 35.1426 -0.091 96
IV.FIAM.HHE. 2009-04-06T21:09:51.88 0.3 undecidable manual Pg 277 29.3484 -0.093 97
MN.AQU.HHN. 2009-04-06T21:09:51.80 0.6 undecidable manual Sg 337 14.3745 -0.109 66
IV.FAGN.HHZ. 2009-04-06T21:09:50.50 0.3 undecidable manual Sg 69 9.879 -0.177 99
IV.PTQR.SHZ. 2009-04-06T21:09:50.76 0.3 undecidable manual Pg 194 24.2535 -0.355 93
MN.AQU.HHN. 2009-04-06T21:09:49.63 0.3 undecidable manual Pg 337 14.3745 0.279 96
IV.FAGN.HHZ. 2009-04-06T21:09:48.77 0.3 undecidable manual Pg 69 9.879 0.129 100
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