Earthquake with magnitude of ML 1.3 on date 04-08-2009 and time 17:07:36 (Italy) in region 4 km E Cittareale (RI)

A magnitude ML 1.3 earthquake occured in region: 4 km E Cittareale (RI), on

  • 04-08-2009 15:07:36 (UTC)
  • 04-08-2009 17:07:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6050, 13.2000 at 10 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
Amatrice RI 8 2657 3139
Montereale AQ 10 2581 5720
Accumoli RI 11 667 6387
Borbona RI 12 617 7004
Posta RI 12 694 7698
Capitignano AQ 13 665 8363
Campotosto AQ 15 542 8905
Cagnano Amiterno AQ 16 1369 10274
Barete AQ 18 737 11011
Cascia PG 20 3217 14228
Leonessa RI 20 2435 16663

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
84 Km W of Chieti (51815 inhabitants)
85 Km W of Pescara (121014 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
99 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 1.7
ML 1.3
2009-08-04
15:07:36
42.605 13.2 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 942349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-08-04 15:07:36 ± 0.09
Latitude 42.6050 ± 0.0027
Longitude 13.2000 ± 0.0024
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 942349

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 216
Semi-minor axis of confidence ellipse (meter) 216
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 155
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23652
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 942349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:58:17

Md:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 942349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:58:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SAMA.HHE. 2009-08-04T15:07:51.59 10.0 undecidable manual Sg 0 0 0
IV.NRCA.SHZ. 2009-08-04T15:07:46.54 0.6 undecidable manual Sg 345 26.2515 0.014 49
IV.NRCA.SHZ. 2009-08-04T15:07:42.40 0.1 undecidable manual Pg 345 26.2515 -0.012 97
IV.LNSS.HHN. 2009-08-04T15:07:42.48 0.3 undecidable manual Sg 269 13.0758 0.027 75
IV.SAN2.EHZ. 2009-08-04T15:07:40.99 0.3 undecidable manual Sg 67 7.2927 -0.036 75
IV.LNSS.HHN. 2009-08-04T15:07:40.01 0.3 undecidable manual Pg 269 13.0758 -0.048 74
IV.SAN2.EHZ. 2009-08-04T15:07:39.28 0.1 undecidable manual Pg 67 7.2927 0.047 100
IV.PSB1.HHE. 2009-08-04T15:07:21.18 10.0 undecidable manual Pg 0 0 0
IV.BSSO.HHZ. 2009-08-04T15:07:21.77 10.0 undecidable manual Sg 0 0 0
IV.SAMA.HHE. 2009-08-04T15:07:19.00 10.0 undecidable manual Pg 0 0 0
IV.BSSO.HHZ. 2009-08-04T15:07:17.62 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download