Earthquake with magnitude of ML 2.1 on date 06-04-2009 and time 20:55:53 (Italy) in region 1 km NE Rocca di Cambio (AQ)

A magnitude ML 2.1 earthquake occured in region: 1 km NE Rocca di Cambio (AQ), on

  • 06-04-2009 18:55:53 (UTC)
  • 06-04-2009 20:55:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2420, 13.4950 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
Villa Sant'Angelo AQ 5 424 2483
Ocre AQ 5 1167 3650
Fossa AQ 6 721 4371
Sant'Eusanio Forconese AQ 6 394 4765
Fagnano Alto AQ 7 418 5183
San Demetrio ne' Vestini AQ 8 1854 7037
Fontecchio AQ 9 369 7406
Poggio Picenze AQ 10 1136 8542
Prata d'Ansidonia AQ 10 496 9038
Ovindoli AQ 12 1227 10265
Tione degli Abruzzi AQ 12 310 10575
Barisciano AQ 12 1828 12403
Lucoli AQ 14 1011 13414
San Pio delle Camere AQ 14 661 14075
L'Aquila AQ 15 69753 83828
Caporciano AQ 15 230 84058
Carapelle Calvisio AQ 17 87 84145
Santo Stefano di Sessanio AQ 17 111 84256
Massa d'Albe AQ 17 1476 85732
Tornimparte AQ 17 3187 88919
Castelvecchio Calvisio AQ 18 153 89072
Celano AQ 18 11017 100089
Secinaro AQ 18 359 100448
Calascio AQ 19 137 100585
Navelli AQ 20 554 101139
Aielli AQ 20 1475 102614
Magliano de' Marsi AQ 20 3690 106304
Acciano AQ 20 327 106631

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km SE of L'Aquila (69753 inhabitants)
50 Km SW of Teramo (54892 inhabitants)
57 Km W of Chieti (51815 inhabitants)
62 Km SW of Montesilvano (53738 inhabitants)
64 Km W of Pescara (121014 inhabitants)
65 Km E of Tivoli (56533 inhabitants)
69 Km E of Guidonia Montecelio (88673 inhabitants)
78 Km E of Terni (111501 inhabitants)
86 Km NE of Velletri (53303 inhabitants)
92 Km E of Roma (2864731 inhabitants)
99 Km NE of Latina (125985 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 2.1 2009-04-06
18:55:53
42.242 13.495 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 762099
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 18:55:53 ± 0.08
Latitude 42.2420 ± 0.0045
Longitude 13.4950 ± 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 762099

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 519
Semi-minor axis of confidence ellipse (meter) 359
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 707.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.87684
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 762099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:24:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SDI.SHZ. 2009-04-06T18:56:14.20 0.6 undecidable manual Sg 156 64.491 0.408 42
IV.CESI.HHZ. 2009-04-06T18:56:11.05 0.3 undecidable manual Pg 331 97.3248 0.662 54
.TERO.---. 2009-04-06T18:56:07.78 0.6 undecidable manual Sg 12 43.1235 -0.311 44
IV.VVLD.HHN. 2009-04-06T18:56:07.82 0.3 undecidable manual Sg 166 42.624 -0.135 69
IV.VCEL.EHN. 2009-04-06T18:56:05.24 0.3 undecidable manual Sg 59 33.0447 -0.142 70
IV.SDI.SHZ. 2009-04-06T18:56:05.53 0.6 undecidable manual Pg 156 64.491 0.208 43
IV.FIAM.HHE. 2009-04-06T18:56:04.58 0.1 undecidable manual Sg 275 31.1466 -0.305 90
IV.PTQR.SHZ. 2009-04-06T18:56:03.20 0.3 undecidable manual Sg 198 25.6521 -0.024 72
.TERO.---. 2009-04-06T18:56:01.64 0.6 undecidable manual Pg 12 43.1235 -0.39 43
IV.VVLD.HHN. 2009-04-06T18:56:01.84 0.1 undecidable manual Pg 166 42.624 -0.108 92
IV.VCEL.EHN. 2009-04-06T18:56:00.84 0.1 undecidable manual Pg 59 33.0447 0.376 89
IV.FIAM.HHE. 2009-04-06T18:55:59.99 0.3 undecidable manual Pg 275 31.1466 -0.186 69
MN.AQU.HHE. 2009-04-06T18:55:59.78 0.3 undecidable manual Sg 328 14.5743 0.012 74
IV.PTQR.SHZ. 2009-04-06T18:55:59.24 0.1 undecidable manual Pg 198 25.6521 0.02 97
IV.FAGN.HHN. 2009-04-06T18:55:57.67 0.1 undecidable manual Sg 70 7.7811 -0.318 94
MN.AQU.HHE. 2009-04-06T18:55:57.55 0.1 undecidable manual Pg 328 14.5743 0.322 93
IV.FAGN.HHN. 2009-04-06T18:55:56.20 0.1 positive manual Pg 70 7.7811 0.005 100
IV.CING.HHE. 2009-04-06T18:55:13.31 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHE. 2009-04-06T18:55:07.98 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHN. 2009-04-06T18:54:59.84 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