Earthquake with magnitude of ML 1.6 on date 07-04-2009 and time 06:28:16 (Italy) in region 2 km NW Rocca di Cambio (AQ)

A magnitude ML 1.6 earthquake occured in region: 2 km NW Rocca di Cambio (AQ), on

  • 07-04-2009 04:28:16 (UTC)
  • 07-04-2009 06:28:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2520, 13.4790 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.

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
Ocre AQ 4 1167 1700
Fossa AQ 5 721 2421
Villa Sant'Angelo AQ 5 424 2845
Sant'Eusanio Forconese AQ 6 394 3239
Rocca di Mezzo AQ 6 1526 4765
San Demetrio ne' Vestini AQ 8 1854 6619
Fagnano Alto AQ 8 418 7037
Poggio Picenze AQ 9 1136 8173
Fontecchio AQ 11 369 8542
Prata d'Ansidonia AQ 11 496 9038
Lucoli AQ 12 1011 10049
Barisciano AQ 13 1828 11877
L'Aquila AQ 13 69753 81630
Ovindoli AQ 14 1227 82857
Tione degli Abruzzi AQ 14 310 83167
San Pio delle Camere AQ 15 661 83828
Tornimparte AQ 15 3187 87015
Caporciano AQ 16 230 87245
Santo Stefano di Sessanio AQ 17 111 87356
Massa d'Albe AQ 17 1476 88832
Carapelle Calvisio AQ 18 87 88919
Castelvecchio Calvisio AQ 19 153 89072
Celano AQ 19 11017 100089
Calascio AQ 20 137 100226
Secinaro AQ 20 359 100585
Magliano de' Marsi AQ 20 3690 104275

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SE of L'Aquila (69753 inhabitants)
49 Km SW of Teramo (54892 inhabitants)
58 Km W of Chieti (51815 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
65 Km W of Pescara (121014 inhabitants)
68 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)
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
Md 2.0
ML 1.6
2009-04-07
04:28:16
42.252 13.479 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 765449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-07 04:28:16 ± 0.23
Latitude 42.2520 ± 0.0117
Longitude 13.4790 ± 0.0182
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 765449

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1458
Semi-minor axis of confidence ellipse (meter) 1224
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 1984.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.61
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.39660
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 765449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:28:43

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 765449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:28:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHN. 2009-04-07T04:28:31.15 0.3 undecidable manual Sg 127 44.0226 0.3 89
IV.VVLD.HHZ. 2009-04-07T04:28:30.13 0.3 undecidable manual Sg 164 44.0226 -0.735 78
IV.PTQR.SHZ. 2009-04-07T04:28:26.20 0.3 undecidable manual Sg 194 26.3514 0.405 90
IV.VVLD.HHZ. 2009-04-07T04:28:25.50 0.3 undecidable manual Pg 164 44.0226 0.855 74
IV.INTR.HHN. 2009-04-07T04:28:24.38 0.3 undecidable manual Pg 127 44.0226 -0.256 90
MN.AQU.HHN. 2009-04-07T04:28:21.32 0.3 undecidable manual Sg 331 12.9759 -0.264 95
IV.PTQR.SHZ. 2009-04-07T04:28:21.09 0.3 undecidable manual Pg 194 26.3514 -0.628 84
IV.FAGN.HHE. 2009-04-07T04:28:20.37 0.3 undecidable manual Sg 80 8.6802 -0.082 99
MN.AQU.HHN. 2009-04-07T04:28:19.68 0.3 undecidable manual Pg 331 12.9759 0.393 92
IV.FAGN.HHE. 2009-04-07T04:28:18.67 0.3 undecidable manual Pg 80 8.6802 0.037 100
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