Earthquake with magnitude of ML 0.7 on date 05-01-2011 and time 19:43:30 (Italy) in region 4 km SE Cittareale (RI)

A magnitude ML 0.7 earthquake occured in region: 4 km SE Cittareale (RI), on

  • 05-01-2011 18:43:30 (UTC)
  • 05-01-2011 19:43:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5850, 13.1770 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
Cittareale RI 4 482 482
Borbona RI 9 617 1099
Montereale AQ 9 2581 3680
Posta RI 9 694 4374
Amatrice RI 11 2657 7031
Capitignano AQ 12 665 7696
Accumoli RI 14 667 8363
Cagnano Amiterno AQ 14 1369 9732
Campotosto AQ 16 542 10274
Barete AQ 17 737 11011
Leonessa RI 18 2435 13446
Micigliano RI 18 127 13573
Pizzoli AQ 19 4326 17899
Monteleone di Spoleto PG 20 599 18498

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
43 Km E of Terni (111501 inhabitants)
44 Km W of Teramo (54892 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
85 Km W of Chieti (51815 inhabitants)
86 Km W of Pescara (121014 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
96 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 1.5
ML 0.7
2011-01-05
18:43:30
42.585 13.177 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1157639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-01-05 18:43:30 ± 0.1
Latitude 42.5850 ± 0.0027
Longitude 13.1770 ± 0.0012
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 1157639

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 229
Semi-minor axis of confidence ellipse (meter) 158
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 356
Circular confidence region, given by single value of horizontal uncertainty (meter) 316.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.10252
Epicentral distance of station farthest from the epicenter (degree) 0.25271
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 1157639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:32:03

Md:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1157639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:32:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2011-01-05T18:43:40.72 0.3 undecidable manual Sg 350 28.0497 -0.006 98
IV.SMA1.EHZ. 2011-01-05T18:43:36.22 0.3 undecidable manual Sg 69 13.875 -0.032 100
IV.NRCA.HHZ. 2011-01-05T18:43:36.41 0.3 undecidable manual Pg 350 28.0497 0.006 98
IV.LNSS.HHN. 2011-01-05T18:43:35.57 0.3 undecidable manual Sg 280 11.3775 0.032 100
IV.LNSS.HHN. 2011-01-05T18:43:33.34 0.3 undecidable manual Pg 280 11.3775 -0.062 99
IV.SMA1.EHZ. 2011-01-05T18:43:33.87 0.3 undecidable manual Pg 69 13.875 0.05 99
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