Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 25-07-2009 and time 19:44:56 (UTC) in region 6 km SE Cittareale (RI)

A magnitude ML 2.0 earthquake occured in region: 6 km SE Cittareale (RI), on

  • 25-07-2009 19:44:56 (UTC)
  • 25-07-2009 21:44:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5770, 13.2090 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.

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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
Montereale AQ 7 2581 3063
Amatrice RI 9 2657 5720
Borbona RI 9 617 6337
Capitignano AQ 10 665 7002
Posta RI 11 694 7696
Cagnano Amiterno AQ 13 1369 9065
Campotosto AQ 13 542 9607
Accumoli RI 14 667 10274
Barete AQ 15 737 11011
Pizzoli AQ 17 4326 15337
Micigliano RI 19 127 15464

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
83 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
97 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 2.2
ML 2.0 		2009-07-25
19:44:56		 42.577 13.209 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 935339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-07-25 19:44:56 ± 0.06
Latitude 42.5770 ± 0.0036
Longitude 13.2090 ± 0.0049
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 935339

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 464
Semi-minor axis of confidence ellipse (meter) 149
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 565.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61604
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 935339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:49:42

Md:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 935339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:49:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2009-07-25T19:45:25.38 10.0 undecidable manual Sg 0 0 0
IV.PIEI.HHE. 2009-07-25T19:45:22.09 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-07-25T19:45:18.06 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-07-25T19:45:18.88 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHZ. 2009-07-25T19:45:17.87 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-07-25T19:45:16.80 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHN. 2009-07-25T19:45:15.06 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-07-25T19:45:14.21 10.0 undecidable manual Pg 0 0 0
IV.SAMA.HHN. 2009-07-25T19:45:14.89 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHN. 2009-07-25T19:45:13.67 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHZ. 2009-07-25T19:45:13.50 0.3 undecidable manual Sg 333 53.502 0.366 65
IV.ASSB.HHZ. 2009-07-25T19:45:08.60 0.6 undecidable manual Pg 319 68.376 0.361 42
IV.PTQR.SHZ. 2009-07-25T19:45:08.86 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2009-07-25T19:45:07.16 0.1 undecidable manual Sg 81 32.6451 -0.398 90
IV.FIAM.HHZ. 2009-07-25T19:45:07.86 0.1 undecidable manual Sg 192 35.1426 -0.365 90
IV.OFFI.HHZ. 2009-07-25T19:45:07.78 10.0 undecidable manual Pg 0 0 0
MN.AQU.HHZ. 2009-07-25T19:45:07.03 0.3 undecidable manual Sg 147 29.3484 0.342 68
IV.NRCA.HHZ. 2009-07-25T19:45:06.44 0.1 undecidable manual Sg 345 29.4483 -0.273 92
IV.GUMA.HHN. 2009-07-25T19:45:06.63 0.3 undecidable manual Pg 11 54.8007 0.479 63
IV.T0104.EHZ. 2009-07-25T19:45:06.06 0.1 undecidable manual Sg 156 26.3514 0.188 95
IV.VCEL.EHZ. 2009-07-25T19:45:06.67 0.6 undecidable manual Pg 111 55.5 0.414 43
IV.CESI.HHZ. 2009-07-25T19:45:05.98 0.1 undecidable manual Pg 333 53.502 0.021 93
IV.CESX.HHZ. 2009-07-25T19:45:05.60 0.6 undecidable manual Pg 274 51.5151 -0.044 47
IV.MNS.HHN. 2009-07-25T19:45:05.01 0.6 undecidable manual Pg 244 48.2184 -0.123 46
IV.T0105.HLE. 2009-07-25T19:45:04.28 10.0 undecidable manual Pg 0 0 0
IV.T0102.HLZ. 2009-07-25T19:45:04.39 10.0 undecidable manual Sg 0 0 0
MN.AQU.HHZ. 2009-07-25T19:45:02.49 0.1 undecidable manual Pg 147 29.3484 0.258 93
IV.T0106.HLE. 2009-07-25T19:45:02.95 0.1 undecidable manual Pg 154 33.2445 0.126 95
IV.CAMP.HHE. 2009-07-25T19:45:02.93 0.1 undecidable manual Sg 106 16.9719 -0.049 99
IV.NRCA.HHZ. 2009-07-25T19:45:02.08 0.1 undecidable manual Pg 345 29.4483 -0.169 94
IV.TERO.HHZ. 2009-07-25T19:45:02.47 0.1 undecidable manual Pg 81 32.6451 -0.265 92
IV.FIAM.HHZ. 2009-07-25T19:45:02.96 0.1 undecidable manual Pg 192 35.1426 -0.16 94
IV.LNSS.HHZ. 2009-07-25T19:45:01.99 0.3 undecidable manual Sg 282 14.0748 -0.148 73
IV.T0104.EHZ. 2009-07-25T19:45:01.68 0.1 undecidable manual Pg 156 26.3514 -0.084 97
IV.T0107.HLZ. 2009-07-25T19:45:01.44 0.3 undecidable manual Sg 165 12.0768 -0.137 74
IV.T0102.HLZ. 2009-07-25T19:45:00.89 10.0 undecidable manual Pg 0 0 0
IV.SAN2.EHE. 2009-07-25T19:45:00.81 10.0 undecidable manual Sg 0 0 0
IV.CAMP.HHE. 2009-07-25T19:45:00.19 0.1 undecidable manual Pg 106 16.9719 0.096 98
IV.SAN2.EHE. 2009-07-25T19:44:59.02 10.0 undecidable manual Pg 0 0 0
IV.T0107.HLZ. 2009-07-25T19:44:59.32 0.1 undecidable manual Pg 165 12.0768 0.039 100
IV.LNSS.HHZ. 2009-07-25T19:44:59.72 0.1 undecidable manual Pg 282 14.0748 0.111 98
IV.ORI.HHE. 2009-07-25T19:44:44.36 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