Earthquake with magnitude of ML 1.2 on date 04-08-2005 and time 20:28:29 (Italy) in region 6 km S Cittareale (RI)

A magnitude ML 1.2 earthquake occured in region: 6 km S Cittareale (RI), on

  • 04-08-2005 18:28:29 (UTC)
  • 04-08-2005 20:28:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5670, 13.1480 at 3 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
Cittareale RI 6 482 482
Borbona RI 6 617 1099
Posta RI 6 694 1793
Montereale AQ 9 2581 4374
Amatrice RI 14 2657 7031
Cagnano Amiterno AQ 14 1369 8400
Capitignano AQ 14 665 9065
Micigliano RI 15 127 9192
Leonessa RI 15 2435 11627
Accumoli RI 17 667 12294
Barete AQ 17 737 13031
Antrodoco RI 17 2588 15619
Campotosto AQ 18 542 16161
Monteleone di Spoleto PG 19 599 16760
Pizzoli AQ 19 4326 21086
Borgo Velino RI 19 972 22058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
41 Km E of Terni (111501 inhabitants)
47 Km W of Teramo (54892 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
87 Km W of Chieti (51815 inhabitants)
88 Km W of Pescara (121014 inhabitants)
93 Km NE of Roma (2864731 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 1.9
ML 1.2
2005-08-04
18:28:29
42.567 13.148 3 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 528599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-08-04 18:28:29 ± 0.16
Latitude 42.5670 ± 0.0063
Longitude 13.1480 ± 0.0134
Depth (km) 3 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 528599

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1158
Semi-minor axis of confidence ellipse (meter) 737
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 1303.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44067
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 528599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:13:53

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 528599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:13:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNS.BHZ. 2005-08-04T18:28:45.76 0.1 undecidable manual Sg 242 43.2234 0.413 45
IV.FIAM.HHN. 2005-08-04T18:28:41.27 0.1 undecidable manual Sg 184 33.2445 -0.554 44
IV.NRCA.SHZ. 2005-08-04T18:28:40.23 0.1 undecidable manual Sg 355 29.6481 -0.322 47
IV.FAGN.EHN. 2005-08-04T18:28:40.11 0.1 undecidable manual Pg 133 48.9177 0.387 90
IV.MNS.BHZ. 2005-08-04T18:28:38.62 0.1 undecidable manual Pg 242 43.2234 0.041 98
IV.FIAM.HHN. 2005-08-04T18:28:36.39 0.1 undecidable manual Pg 184 33.2445 -0.21 96
IV.NRCA.SHZ. 2005-08-04T18:28:35.92 0.1 positive manual Pg 355 29.6481 0.04 100
MN.AQU.HHE. 2005-08-04T18:28:15.35 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