Earthquake with magnitude of ML 0.9 on date 18-07-2005 and time 21:40:11 (Italy) in region 8 km W Cittareale (RI)

A magnitude ML 0.9 earthquake occured in region: 8 km W Cittareale (RI), on

  • 18-07-2005 19:40:11 (UTC)
  • 18-07-2005 21:40:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6000, 13.0610 at 1 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 8 482 482
Leonessa RI 9 2435 2917
Posta RI 9 694 3611
Monteleone di Spoleto PG 11 599 4210
Borbona RI 11 617 4827
Cascia PG 14 3217 8044
Poggiodomo PG 16 117 8161
Micigliano RI 17 127 8288
Montereale AQ 17 2581 10869
Polino TR 18 233 11102
Poggio Bustone RI 18 2055 13157
Accumoli RI 19 667 13824
Amatrice RI 19 2657 16481
Rivodutri RI 19 1253 17734
Cantalice RI 19 2755 20489

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Terni (111501 inhabitants)
39 Km NW of L'Aquila (69753 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
53 Km W of Teramo (54892 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
74 Km N of Tivoli (56533 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
81 Km E of Viterbo (67173 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
95 Km W of Chieti (51815 inhabitants)
96 Km W of Pescara (121014 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 0.9
2005-07-18
19:40:11
42.6 13.061 1 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 527019
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-07-18 19:40:11 ± 0.1
Latitude 42.6000 ± 0.0036
Longitude 13.0610 ± 0.0110
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 527019

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 947
Semi-minor axis of confidence ellipse (meter) 409
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 984.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35343
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 527019
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:12:15

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 527019
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:12:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNS.SHZ. 2005-07-18T19:40:25.19 0.1 undecidable manual Sg 233 39.2274 0.099 49
IV.FIAM.HHE. 2005-07-18T19:40:24.20 0.1 undecidable manual Sg 173 37.1295 -0.153 49
MN.VLC.HHZ. 2005-07-18T19:40:23.59 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2005-07-18T19:40:20.26 0.1 undecidable manual Sg 9 26.2515 -0.213 49
IV.MNS.SHZ. 2005-07-18T19:40:18.85 0.1 positive manual Pg 233 39.2274 -0.108 98
IV.FIAM.HHE. 2005-07-18T19:40:18.64 0.1 undecidable manual Pg 173 37.1295 0.093 99
IV.NRCA.SHZ. 2005-07-18T19:40:16.50 0.1 positive manual Pg 9 26.2515 0.135 100
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