Earthquake with magnitude of ML 2.0 on date 06-04-2009 and time 17:42:39 (UTC) in region 2 km NW Rocca di Mezzo (AQ)

A magnitude ML 2.0 earthquake occured in region: 2 km NW Rocca di Mezzo (AQ), on

  • 06-04-2009 17:42:39 (UTC)
  • 06-04-2009 19:42:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2210, 13.5010 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 Mezzo AQ 2 1526 1526
Rocca di Cambio AQ 2 533 2059
Villa Sant'Angelo AQ 6 424 2483
Fagnano Alto AQ 7 418 2901
Ocre AQ 7 1167 4068
Sant'Eusanio Forconese AQ 8 394 4462
Fossa AQ 8 721 5183
Fontecchio AQ 9 369 5552
San Demetrio ne' Vestini AQ 9 1854 7406
Ovindoli AQ 10 1227 8633
Prata d'Ansidonia AQ 11 496 9129
Tione degli Abruzzi AQ 11 310 9439
Poggio Picenze AQ 12 1136 10575
Barisciano AQ 14 1828 12403
Caporciano AQ 15 230 12633
San Pio delle Camere AQ 15 661 13294
Massa d'Albe AQ 15 1476 14770
Lucoli AQ 16 1011 15781
Celano AQ 16 11017 26798
Secinaro AQ 17 359 27157
L'Aquila AQ 17 69753 96910
Aielli AQ 17 1475 98385
Carapelle Calvisio AQ 17 87 98472
Magliano de' Marsi AQ 18 3690 102162
Santo Stefano di Sessanio AQ 18 111 102273
Tornimparte AQ 18 3187 105460
Castelvecchio Calvisio AQ 19 153 105613
Acciano AQ 19 327 105940
Navelli AQ 19 554 106494
Cerchio AQ 19 1635 108129
Gagliano Aterno AQ 20 254 108383
Calascio AQ 20 137 108520

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 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)
65 Km E of Tivoli (56533 inhabitants)
65 Km W of Pescara (121014 inhabitants)
68 Km E of Guidonia Montecelio (88673 inhabitants)
80 Km E of Terni (111501 inhabitants)
84 Km NE of Velletri (53303 inhabitants)
92 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 2.0 2009-04-06
17:42:39
42.221 13.501 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 761639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 17:42:39 ± 0.08
Latitude 42.2210 ± 0.0045
Longitude 13.5010 ± 0.0073
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 761639

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 603
Semi-minor axis of confidence ellipse (meter) 278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67539
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 761639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:24:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SDI.SHZ. 2009-04-06T17:42:59.40 0.3 undecidable manual Sg 156 62.1933 0.685 59
IV.CERT.HHN. 2009-04-06T17:42:55.99 0.6 undecidable manual Sg 235 52.3032 -0.092 47
IV.GIUL.HHN. 2009-04-06T17:42:55.65 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHN. 2009-04-06T17:42:54.26 0.3 undecidable manual Sg 11 45.4212 0.021 72
IV.INTR.HHZ. 2009-04-06T17:42:52.70 0.6 undecidable manual Sg 125 40.5261 -0.241 46
IV.NRCA.SHZ. 2009-04-06T17:42:52.19 0.6 undecidable manual Pg 335 74.9694 -0.286 43
.CAMP.---. 2009-04-06T17:42:52.16 0.3 undecidable manual Sg 348 35.742 0.494 66
IV.MNS.HHE. 2009-04-06T17:42:52.31 0.6 undecidable manual Pg 285 69.6747 0.644 39
IV.VVLD.HHZ. 2009-04-06T17:42:52.03 0.6 undecidable manual Sg 165 40.2264 -0.829 38
IV.VCEL.EHZ. 2009-04-06T17:42:51.65 0.6 undecidable manual Sg 55 33.9438 0.478 44
IV.FIAM.HHE. 2009-04-06T17:42:50.14 0.6 undecidable manual Sg 280 31.9458 -0.507 44
IV.SDI.SHZ. 2009-04-06T17:42:50.61 0.1 undecidable manual Pg 156 62.1933 0.107 91
IV.GUAR.HHE. 2009-04-06T17:42:48.64 0.3 undecidable manual Pg 198 49.8168 0.047 71
IV.CERT.HHN. 2009-04-06T17:42:48.74 0.3 undecidable manual Pg 235 52.3032 -0.244 68
IV.PTQR.SHZ. 2009-04-06T17:42:48.35 0.6 undecidable manual Sg 201 23.5542 0.275 47
IV.INTR.HHZ. 2009-04-06T17:42:47.08 0.1 undecidable manual Pg 125 40.5261 -0.091 95
IV.TERO.HHN. 2009-04-06T17:42:47.45 0.3 undecidable manual Pg 11 45.4212 -0.471 65
.CAMP.---. 2009-04-06T17:42:46.83 0.3 undecidable manual Pg 348 35.742 0.395 68
IV.VVLD.HHZ. 2009-04-06T17:42:46.98 0.1 undecidable manual Pg 165 40.2264 -0.142 94
IV.FIAM.HHE. 2009-04-06T17:42:45.61 0.1 undecidable manual Pg 280 31.9458 -0.236 94
MN.AQU.HHN. 2009-04-06T17:42:45.70 0.3 undecidable manual Sg 331 16.872 -0.277 72
IV.VCEL.EHZ. 2009-04-06T17:42:45.92 0.1 undecidable manual Pg 55 33.9438 -0.225 94
IV.PTQR.SHZ. 2009-04-06T17:42:44.59 0.1 undecidable manual Pg 201 23.5542 0.229 95
MN.AQU.HHN. 2009-04-06T17:42:43.64 0.3 undecidable manual Pg 331 16.872 0.492 68
IV.FAGN.HHN. 2009-04-06T17:42:43.38 0.1 undecidable manual Sg 54 8.4804 -0.283 97
IV.FAGN.HHN. 2009-04-06T17:42:41.94 0.1 undecidable manual Pg 54 8.4804 0.129 100
IV.GROG.HHZ. 2009-04-06T17:41:44.81 10.0 undecidable manual Pg 0 0 0
IV.FIU.EHN. 2009-04-06T17:41:37.68 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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