Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 13-07-2009 and time 04:27:31 (UTC) in region 6 km NW Montereale (AQ)

A magnitude ML 1.7 earthquake occured in region: 6 km NW Montereale (AQ), on

  • 13-07-2009 04:27:31 (UTC)
  • 13-07-2009 06:27:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5660, 13.2080 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
Montereale AQ 6 2581 2581
Cittareale RI 7 482 3063
Borbona RI 9 617 3680
Capitignano AQ 9 665 4345
Amatrice RI 10 2657 7002
Posta RI 10 694 7696
Cagnano Amiterno AQ 12 1369 9065
Campotosto AQ 13 542 9607
Barete AQ 14 737 10344
Accumoli RI 15 667 11011
Pizzoli AQ 16 4326 15337
Micigliano RI 18 127 15464
Antrodoco RI 19 2588 18052
Leonessa RI 20 2435 20487

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
82 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
92 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 2.3
ML 1.7 		2009-07-13
04:27:31		 42.566 13.208 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 924789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-07-13 04:27:31 ± 0.08
Latitude 42.5660 ± 0.0036
Longitude 13.2080 ± 0.0061
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 924789

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 467
Semi-minor axis of confidence ellipse (meter) 227
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.87504
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 924789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:36:58

Md:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 924789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:36:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHN. 2009-07-13T04:28:01.45 10.0 undecidable manual Sg 0 0 0
IV.MURB.HHN. 2009-07-13T04:27:54.43 10.0 undecidable manual Pg 0 0 0
IV.CING.HHN. 2009-07-13T04:27:52.75 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHN. 2009-07-13T04:27:52.25 0.3 undecidable manual Sg 320 69.1752 0.067 68
IV.SNTG.SHZ. 2009-07-13T04:27:49.91 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHN. 2009-07-13T04:27:48.15 0.3 undecidable manual Sg 349 53.1024 0.271 67
IV.MGAB.HHN. 2009-07-13T04:27:48.30 0.3 undecidable manual Pg 294 97.125 0.73 54
IV.CESI.HHN. 2009-07-13T04:27:48.38 0.1 undecidable manual Sg 333 54.6009 0.105 92
IV.VCEL.EHZ. 2009-07-13T04:27:48.81 0.3 undecidable manual Sg 110 55.2003 0.374 65
IV.GUMA.HHE. 2009-07-13T04:27:48.89 0.3 undecidable manual Sg 11 55.9995 0.219 67
IV.ASSB.HHN. 2009-07-13T04:27:43.14 0.3 undecidable manual Pg 320 69.1752 -0.119 67
IV.FIAM.HHZ. 2009-07-13T04:27:42.51 0.1 undecidable manual Sg 193 33.9438 -0.247 93
IV.NRCA.SHZ. 2009-07-13T04:27:41.34 0.1 undecidable manual Sg 346 30.6471 -0.544 87
IV.GUMA.HHE. 2009-07-13T04:27:41.59 0.1 undecidable manual Pg 11 55.9995 0.359 87
IV.TERO.HHZ. 2009-07-13T04:27:41.93 0.1 undecidable manual Sg 79 32.9448 -0.578 86
IV.OFFI.HHN. 2009-07-13T04:27:41.99 0.3 undecidable manual Pg 43 56.499 0.692 59
MN.AQU.HHZ. 2009-07-13T04:27:41.57 0.6 undecidable manual Sg 146 28.4493 0.277 47
IV.VCEL.EHZ. 2009-07-13T04:27:41.23 0.1 undecidable manual Pg 110 55.2003 0.135 92
IV.FDMO.HHN. 2009-07-13T04:27:40.63 0.3 undecidable manual Pg 349 53.1024 -0.145 69
IV.T0104.EHE. 2009-07-13T04:27:40.69 0.6 undecidable manual Sg 155 25.2525 0.24 47
IV.CESI.HHN. 2009-07-13T04:27:40.95 0.3 undecidable manual Pg 333 54.6009 -0.053 70
IV.CESX.HHZ. 2009-07-13T04:27:40.61 0.6 undecidable manual Pg 276 51.5151 0.081 47
IV.MNS.HHZ. 2009-07-13T04:27:39.69 0.3 undecidable manual Pg 245 47.5191 -0.227 68
MN.AQU.HHZ. 2009-07-13T04:27:37.02 0.3 undecidable manual Pg 146 28.4493 0.047 73
IV.LNSS.HHZ. 2009-07-13T04:27:37.08 0.1 undecidable manual Sg 287 14.2746 -0.083 100
IV.NRCA.SHZ. 2009-07-13T04:27:37.08 0.1 undecidable manual Pg 346 30.6471 -0.233 94
IV.TERO.HHZ. 2009-07-13T04:27:37.26 0.1 undecidable manual Pg 79 32.9448 -0.413 90
IV.FIAM.HHZ. 2009-07-13T04:27:37.61 0.3 undecidable manual Pg 193 33.9438 -0.207 70
IV.T0104.EHE. 2009-07-13T04:27:36.55 0.3 undecidable manual Pg 155 25.2525 0.065 74
IV.SAN2.EHZ. 2009-07-13T04:27:35.77 0.1 undecidable manual Sg 40 9.3795 -0.115 100
IV.LNSS.HHZ. 2009-07-13T04:27:34.65 0.1 undecidable manual Pg 287 14.2746 0.063 100
IV.SAN2.EHZ. 2009-07-13T04:27:33.97 0.1 undecidable manual Pg 40 9.3795 0.121 100
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