Earthquake with magnitude of ML 0.6 on date 30-04-2011 and time 03:25:08 (UTC) in region NW Villavallelonga (AQ)

A magnitude ML 0.6 earthquake occured in region: NW Villavallelonga (AQ), on

  • 30-04-2011 03:25:08 (UTC)
  • 30-04-2011 05:25:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8710, 13.6230 at 6 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
Villavallelonga AQ 0 919 919
Collelongo AQ 4 1233 2152
Lecce nei Marsi AQ 9 1702 3854
Balsorano AQ 9 3569 7423
San Vincenzo Valle Roveto AQ 9 2347 9770
Ortucchio AQ 10 1860 11630
Gioia dei Marsi AQ 11 1989 13619
Trasacco AQ 12 6246 19865
Civita d'Antino AQ 13 979 20844
Bisegna AQ 13 223 21067
Morino AQ 14 1448 22515
Pescosolido FR 14 1555 24070
San Benedetto dei Marsi AQ 15 3909 27979
Campoli Appennino FR 15 1725 29704
Pescasseroli AQ 15 2203 31907
Luco dei Marsi AQ 16 6079 37986
Ortona dei Marsi AQ 17 542 38528
Sora FR 17 26144 64672
Civitella Roveto AQ 17 3268 67940
Pescina AQ 18 4133 72073
Broccostella FR 19 2741 74814
Canistro AQ 19 995 75809
Villalago AQ 19 568 76377
Opi AQ 20 420 76797

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km SE of L'Aquila (69753 inhabitants)
69 Km E of Tivoli (56533 inhabitants)
70 Km SW of Chieti (51815 inhabitants)
73 Km E of Velletri (53303 inhabitants)
75 Km NE of Latina (125985 inhabitants)
76 Km E of Guidonia Montecelio (88673 inhabitants)
82 Km SW of Pescara (121014 inhabitants)
84 Km SW of Montesilvano (53738 inhabitants)
86 Km E of Aprilia (73446 inhabitants)
88 Km S of Teramo (54892 inhabitants)
94 Km E of Roma (2864731 inhabitants)
95 Km NE of Anzio (54211 inhabitants)
96 Km E of Pomezia (62966 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 1.6
ML 0.6
2011-04-30
03:25:08
41.871 13.623 6 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1204409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-04-30 03:25:08 ± 0.31
Latitude 41.8710 ± 0.0054
Longitude 13.6230 ± 0.0157
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1204409

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1313
Semi-minor axis of confidence ellipse (meter) 430
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 283
Circular confidence region, given by single value of horizontal uncertainty (meter) 1431.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 243
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25181
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1204409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:34:40

Md:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1204409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:34:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.AGOR.HHN. 2011-04-30T03:25:26.38 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHE. 2011-04-30T03:25:18.59 0.1 undecidable manual Sg 56 27.9498 0.099 95
IV.RM29.EHN. 2011-04-30T03:25:17.77 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHE. 2011-04-30T03:25:15.29 0.3 undecidable manual Sg 157 18.5703 -0.029 73
IV.INTR.HHE. 2011-04-30T03:25:14.12 0.1 undecidable manual Pg 56 27.9498 -0.175 93
IV.POFI.HHE. 2011-04-30T03:25:12.54 0.6 undecidable manual Pg 157 18.5703 0.076 48
IV.VVLD.HHZ. 2011-04-30T03:25:10.55 0.1 undecidable manual Sg 173 0.0999 -0.073 100
IV.VVLD.HHZ. 2011-04-30T03:25:09.88 0.1 undecidable manual Pg 173 0.0999 0.127 99
IV.LAV9.HHZ. 2011-04-30T03:25:08.81 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