Earthquake with magnitude of ML 0.6 on date 22-10-2010 and time 20:57:56 (Italy) in region 9 km W Cittareale (RI)

A magnitude ML 0.6 earthquake occured in region: 9 km W Cittareale (RI), on

  • 22-10-2010 18:57:56 (UTC)
  • 22-10-2010 20:57:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6450, 13.0600 at 8 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
Monteleone di Spoleto PG 9 599 599
Cittareale RI 9 482 1081
Cascia PG 9 3217 4298
Leonessa RI 12 2435 6733
Poggiodomo PG 13 117 6850
Posta RI 14 694 7544
Borbona RI 16 617 8161
Accumoli RI 16 667 8828
Norcia PG 17 4957 13785
Polino TR 19 233 14018
Amatrice RI 19 2657 16675

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Terni (111501 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
53 Km W of Teramo (54892 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km N of Tivoli (56533 inhabitants)
82 Km E of Viterbo (67173 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
96 Km NE of Roma (2864731 inhabitants)
97 Km W of Chieti (51815 inhabitants)
97 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 1.4
ML 0.6
2010-10-22
18:57:56
42.645 13.06 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1134129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-10-22 18:57:56 ± 0.2
Latitude 42.6450 ± 0.0036
Longitude 13.0600 ± 0.0073
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1134129

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 504
Semi-minor axis of confidence ellipse (meter) 405
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 721.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20325
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:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1134129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:01:07

Md:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1134129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:01:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHN. 2010-10-22T18:58:04.35 0.3 undecidable manual Sg 12 21.3675 0.134 72
IV.SMA1.EHZ. 2010-10-22T18:58:04.52 0.3 undecidable manual Sg 94 22.5552 -0.075 73
IV.RM29.EHE. 2010-10-22T18:58:02.29 0.1 undecidable manual Sg 129 14.9739 0.113 98
IV.NRCA.HHN. 2010-10-22T18:58:00.76 0.3 undecidable manual Pg 12 21.3675 -0.111 73
IV.SMA1.EHZ. 2010-10-22T18:58:00.96 0.1 undecidable manual Pg 94 22.5552 -0.132 96
IV.RM29.EHE. 2010-10-22T18:57:59.76 0.1 undecidable manual Pg 129 14.9739 0.063 99
IV.LNSS.HHZ. 2010-10-22T18:57:59.43 0.1 undecidable manual Sg 199 4.995 -0.111 100
IV.LNSS.HHZ. 2010-10-22T18:57:58.27 0.1 undecidable manual Pg 199 4.995 0.1 100
IV.CRAC.EHN. 2010-10-22T18:57:44.56 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