Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 08-08-2009 and time 22:10:52 (UTC) in region 2 km N Barete (AQ)

A magnitude ML 1.5 earthquake occured in region: 2 km N Barete (AQ), on

  • 08-08-2009 22:10:52 (UTC)
  • 09-08-2009 00:10:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4710, 13.2750 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.

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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
Barete AQ 2 737 737
Pizzoli AQ 4 4326 5063
Cagnano Amiterno AQ 4 1369 6432
Capitignano AQ 6 665 7097
Montereale AQ 7 2581 9678
Scoppito AQ 11 3727 13405
Campotosto AQ 13 542 13947
Borbona RI 13 617 14564
Posta RI 16 694 15258
L'Aquila AQ 17 69753 85011
Antrodoco RI 17 2588 87599
Amatrice RI 18 2657 90256
Micigliano RI 18 127 90383
Cittareale RI 19 482 90865
Crognaleto TE 19 1297 92162
Borgo Velino RI 19 972 93134
Tornimparte AQ 20 3187 96321

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of L'Aquila (69753 inhabitants)
41 Km SW of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
96 Km NE of Velletri (53303 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 2.1
ML 1.5 		2009-08-08
22:10:52		 42.471 13.275 9 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 944969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-08-08 22:10:52 ± 0.11
Latitude 42.4710 ± 0.0063
Longitude 13.2750 ± 0.0098
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 944969

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 808
Semi-minor axis of confidence ellipse (meter) 546
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) 1063.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56567
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 944969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:01:30

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 944969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:01:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUORN.HHZ. 2009-08-08T22:12:15.01 10.0 undecidable manual Sg 0 0 0
CH.FUORN.HHZ. 2009-08-08T22:12:04.67 10.0 undecidable manual Pg 0 0 0
NI.POLC.HHZ. 2009-08-08T22:11:56.52 10.0 undecidable manual Pg 0 0 0
IV.PTCC.SHZ. 2009-08-08T22:11:55.11 10.0 undecidable manual Pg 0 0 0
NI.ACOM.HHZ. 2009-08-08T22:11:54.54 10.0 undecidable manual Pg 0 0 0
OE.WTTA.HHZ. 2009-08-08T22:11:54.27 10.0 undecidable manual Pg 0 0 0
IV.SEI.SHZ. 2009-08-08T22:11:51.31 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHE. 2009-08-08T22:11:45.81 10.0 undecidable manual Pg 0 0 0
IV.ZCCA.HHN. 2009-08-08T22:11:35.22 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHN. 2009-08-08T22:11:18.37 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-08-08T22:11:15.14 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHN. 2009-08-08T22:11:15.01 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHN. 2009-08-08T22:11:14.27 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHN. 2009-08-08T22:11:10.51 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-08-08T22:11:09.55 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHE. 2009-08-08T22:11:08.30 0.1 undecidable manual Sg 100 47.0196 0.611 82
IV.PTQR.SHZ. 2009-08-08T22:11:08.41 0.1 undecidable manual Sg 168 50.9157 -0.306 88
IV.NRCA.SHZ. 2009-08-08T22:11:06.96 0.6 undecidable manual Sg 342 42.3243 0.545 42
IV.GROG.HHZ. 2009-08-08T22:11:05.96 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHN. 2009-08-08T22:11:04.76 0.1 undecidable manual Sg 132 34.0437 0.545 86
IV.CERT.HHN. 2009-08-08T22:11:03.25 0.1 undecidable manual Pg 203 62.7927 -0.337 86
IV.TERO.HHE. 2009-08-08T22:11:02.46 0.1 undecidable manual Sg 58 31.6461 -1.122 67
IV.LNSS.HHZ. 2009-08-08T22:11:01.47 0.1 undecidable manual Sg 307 24.1536 0.246 94
IV.FIAM.HHZ. 2009-08-08T22:11:01.74 0.1 undecidable manual Sg 210 26.0517 -0.091 97
IV.VCEL.EHE. 2009-08-08T22:11:01.77 0.1 undecidable manual Pg 100 47.0196 0.608 82
IV.PTQR.SHZ. 2009-08-08T22:11:01.52 0.1 undecidable manual Pg 168 50.9157 -0.235 90
IV.MNS.HHZ. 2009-08-08T22:11:01.56 0.1 undecidable manual Pg 259 49.617 0.005 94
IV.NRCA.SHZ. 2009-08-08T22:11:00.28 0.1 undecidable manual Pg 342 42.3243 -0.151 93
MN.AQU.HHZ. 2009-08-08T22:10:59.12 1.0 undecidable manual Sg 141 16.6722 0.259 24
IV.FAGN.HHN. 2009-08-08T22:10:59.36 0.1 undecidable manual Pg 132 34.0437 0.199 93
IV.T0104.EHE. 2009-08-08T22:10:58.01 0.1 undecidable manual Sg 157 13.3755 0.113 98
IV.TERO.HHE. 2009-08-08T22:10:58.13 0.1 undecidable manual Pg 58 31.6461 -0.664 82
IV.LNSS.HHZ. 2009-08-08T22:10:57.63 0.1 undecidable manual Pg 307 24.1536 0.199 95
IV.FIAM.HHZ. 2009-08-08T22:10:57.79 0.1 undecidable manual Pg 210 26.0517 0.003 98
IV.T0102.HLZ. 2009-08-08T22:10:56.24 0.1 undecidable manual Sg 159 8.88 -0.449 92
MN.AQU.HHZ. 2009-08-08T22:10:56.27 0.1 undecidable manual Pg 141 16.6722 0.205 96
IV.SBPO.HHZ. 2009-08-08T22:10:56.50 10.0 undecidable manual Pg 0 0 0
IV.T0104.EHE. 2009-08-08T22:10:55.57 0.1 undecidable manual Pg 157 13.3755 0.058 99
IV.T0102.HLZ. 2009-08-08T22:10:54.75 0.1 undecidable manual Pg 159 8.88 -0.067 100
BA.PZUN.HHE. 2009-08-08T22:10:54.97 10.0 undecidable manual Pg 0 0 0
IV.ESLN.HHZ. 2009-08-08T22:10:50.22 10.0 undecidable manual Pg 0 0 0
IV.RMP.HHE. 2009-08-08T22:10:35.09 10.0 undecidable manual Pg 0 0 0
IV.GSCL.SHZ. 2009-08-08T22:10:27.54 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