Earthquake with magnitude of ML 1.0 on date 09-04-2009 and time 00:30:48 (Italy) in region 1 km NW Rocca di Cambio (AQ)

A magnitude ML 1.0 earthquake occured in region: 1 km NW Rocca di Cambio (AQ), on

  • 08-04-2009 22:30:48 (UTC)
  • 09-04-2009 00:30:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2450, 13.4810 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 1 533 533
Ocre AQ 5 1167 1700
Rocca di Mezzo AQ 5 1526 3226
Villa Sant'Angelo AQ 6 424 3650
Fossa AQ 6 721 4371
Sant'Eusanio Forconese AQ 6 394 4765
Fagnano Alto AQ 8 418 5183
San Demetrio ne' Vestini AQ 8 1854 7037
Poggio Picenze AQ 10 1136 8173
Fontecchio AQ 11 369 8542
Prata d'Ansidonia AQ 11 496 9038
Ovindoli AQ 13 1227 10265
Lucoli AQ 13 1011 11276
Barisciano AQ 13 1828 13104
Tione degli Abruzzi AQ 14 310 13414
L'Aquila AQ 14 69753 83167
San Pio delle Camere AQ 15 661 83828
Tornimparte AQ 16 3187 87015
Caporciano AQ 16 230 87245
Massa d'Albe AQ 17 1476 88721
Santo Stefano di Sessanio AQ 18 111 88832
Carapelle Calvisio AQ 18 87 88919
Celano AQ 19 11017 99936
Castelvecchio Calvisio AQ 19 153 100089
Secinaro AQ 19 359 100448
Magliano de' Marsi AQ 19 3690 104138
Calascio AQ 20 137 104275

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 W 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)
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 1.7
ML 1.0
2009-04-08
22:30:48
42.245 13.481 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 776299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 22:30:48 ± 0.09
Latitude 42.2450 ± 0.0045
Longitude 13.4810 ± 0.0049
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 776299

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 435
Semi-minor axis of confidence ellipse (meter) 303
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 155
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) 120
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 10
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) 0.46675
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 776299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:28

Md:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 776299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SDI.SHZ. 2009-04-08T22:31:03.14 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHE. 2009-04-08T22:31:00.05 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHE. 2009-04-08T22:30:59.17 0.3 undecidable manual Sg 275 29.9478 -0.151 71
IV.PTQR.SHZ. 2009-04-08T22:30:58.17 0.6 undecidable manual Sg 195 25.5522 0.295 47
IV.GUAR.HHE. 2009-04-08T22:30:57.90 0.3 undecidable manual Pg 196 51.8037 -0.228 68
.VCEL.EHE. 2009-04-08T22:30:55.43 0.1 undecidable manual Pg 60 33.8439 0.071 96
IV.FIAM.HHE. 2009-04-08T22:30:54.59 0.1 undecidable manual Pg 275 29.9478 -0.139 95
.AQU.HHZ. 2009-04-08T22:30:54.19 0.3 undecidable manual Sg 332 13.7751 0.018 75
IV.PTQR.SHZ. 2009-04-08T22:30:53.95 0.1 undecidable manual Pg 195 25.5522 0.056 98
.AQU.HHZ. 2009-04-08T22:30:52.03 0.1 undecidable manual Pg 332 13.7751 0.274 95
IV.FAGN.HHN. 2009-04-08T22:30:52.61 0.1 undecidable manual Sg 75 8.7801 -0.23 97
IV.FAGN.HHN. 2009-04-08T22:30:51.08 0.1 undecidable manual Pg 75 8.7801 0.089 100
IV.MURB.HHE. 2009-04-08T22:30:34.63 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