Earthquake with magnitude of ML 2.0 on date 11-08-2005 and time 06:08:25 (Italy) in region 4 km NW Accumoli (RI)

A magnitude ML 2.0 earthquake occured in region: 4 km NW Accumoli (RI), on

  • 11-08-2005 04:08:25 (UTC)
  • 11-08-2005 06:08:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7220, 13.2080 at 18 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
Accumoli RI 4 667 667
Arquata del Tronto AP 9 1178 1845
Cittareale RI 12 482 2327
Norcia PG 12 4957 7284
Amatrice RI 12 2657 9941
Cascia PG 16 3217 13158
Montegallo AP 17 523 13681
Acquasanta Terme AP 17 2916 16597
Castelsantangelo sul Nera MC 20 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
44 Km NW of L'Aquila (69753 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
49 Km E of Terni (111501 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
89 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
96 Km E of Viterbo (67173 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 2.2
ML 2.0
2005-08-11
04:08:25
42.722 13.208 18 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 529289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-08-11 04:08:25 ± 0.2
Latitude 42.7220 ± 0.0099
Longitude 13.2080 ± 0.0098
Depth (km) 18 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 529289

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 888
Semi-minor axis of confidence ellipse (meter) 745
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 1360.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65291
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 529289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:14:35

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 529289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:14:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHN. 2005-08-11T04:08:52.50 10.0 undecidable manual Sg 0 0 0
IV.CING.HHE. 2005-08-11T04:08:49.56 0.3 undecidable manual Sg 359 72.4719 -0.07 33
IV.ARV.SHZ. 2005-08-11T04:08:45.89 10.0 undecidable manual Pg 0 0 0
IV.MNS.SHZ. 2005-08-11T04:08:44.77 0.1 undecidable manual Sg 229 56.9985 -0.304 45
IV.FIAM.HHE. 2005-08-11T04:08:43.59 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2005-08-11T04:08:42.74 10.0 undecidable manual Pg 0 0 0
IV.AQU.SHZ. 2005-08-11T04:08:42.47 10.0 undecidable manual Pg 0 0 0
IV.CING.HHE. 2005-08-11T04:08:39.15 0.1 undecidable manual Pg 359 72.4719 -0.087 89
IV.TERO.HHZ. 2005-08-11T04:08:38.40 0.1 undecidable manual Sg 109 34.1436 -0.121 49
IV.MNS.SHZ. 2005-08-11T04:08:36.71 0.1 undecidable manual Pg 229 56.9985 0.032 96
IV.LNSS.BHE. 2005-08-11T04:08:34.30 0.1 undecidable manual Sg 226 18.9699 -0.296 49
IV.TERO.HHZ. 2005-08-11T04:08:33.04 0.1 positive manual Pg 109 34.1436 0.044 100
IV.LNSS.BHE. 2005-08-11T04:08:31.22 0.1 undecidable manual Pg 226 18.9699 0.429 94
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download