Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 03-07-2009 and time 03:53:50 (Italy) in region 4 km NW Montereale (AQ)

A magnitude ML 1.2 earthquake occured in region: 4 km NW Montereale (AQ), on

  • 03-07-2009 01:53:50 (UTC)
  • 03-07-2009 03:53:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5570, 13.2190 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 4 2581 2581
Capitignano AQ 8 665 3246
Cittareale RI 8 482 3728
Borbona RI 9 617 4345
Amatrice RI 10 2657 7002
Posta RI 11 694 7696
Cagnano Amiterno AQ 11 1369 9065
Campotosto AQ 12 542 9607
Barete AQ 13 737 10344
Pizzoli AQ 15 4326 14670
Accumoli RI 16 667 15337
Micigliano RI 18 127 15464
Antrodoco RI 19 2588 18052

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
81 Km W of Chieti (51815 inhabitants)
82 Km W of Pescara (121014 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 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 2.0
ML 1.2 		2009-07-03
01:53:50		 42.557 13.219 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 914129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-07-03 01:53:50 ± 0.1
Latitude 42.5570 ± 0.0045
Longitude 13.2190 ± 0.0073
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 914129

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 352
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
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 23
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63582
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 914129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:24:01

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 914129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:24:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDCA.EHE. 2009-07-03T01:54:17.89 10.0 undecidable manual Pg 0 0 0
IV.MMGO.SHZ. 2009-07-03T01:54:12.22 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHZ. 2009-07-03T01:54:12.05 0.6 undecidable manual Sg 320 70.5738 0.451 41
IV.CESI.HHE. 2009-07-03T01:54:07.97 0.1 undecidable manual Sg 333 55.8996 0.291 88
IV.FDMO.HHN. 2009-07-03T01:54:07.46 0.3 undecidable manual Sg 349 54.3012 0.215 67
IV.ASSB.HHZ. 2009-07-03T01:54:03.50 0.3 undecidable manual Pg 320 70.5738 0.975 50
IV.FIAM.HHZ. 2009-07-03T01:54:01.39 0.3 undecidable manual Sg 195 33.1446 -0.198 70
IV.NRCA.HHZ. 2009-07-03T01:54:00.66 0.3 undecidable manual Sg 345 31.8459 -0.601 63
IV.CESI.HHE. 2009-07-03T01:54:00.22 0.1 undecidable manual Pg 333 55.8996 -0.042 92
IV.TERO.HHZ. 2009-07-03T01:54:00.90 0.3 undecidable manual Sg 77 32.2455 -0.471 66
IV.VCEL.EHZ. 2009-07-03T01:54:00.42 0.3 undecidable manual Pg 109 53.9016 0.461 64
IV.FDMO.HHN. 2009-07-03T01:53:59.93 0.3 undecidable manual Pg 349 54.3012 -0.081 69
IV.T0104.EHE. 2009-07-03T01:53:59.28 0.6 undecidable manual Sg 156 23.9538 0.142 48
IV.MNS.HHZ. 2009-07-03T01:53:58.81 0.3 undecidable manual Pg 247 47.9187 -0.222 68
IV.TERO.HHZ. 2009-07-03T01:53:56.35 0.1 undecidable manual Pg 77 32.2455 -0.27 92
MN.AQU.HHE. 2009-07-03T01:53:56.13 0.3 undecidable manual Pg 146 27.0507 0.32 69
IV.LNSS.HHZ. 2009-07-03T01:53:56.30 0.1 undecidable manual Sg 289 15.4734 -0.279 95
IV.FIAM.HHZ. 2009-07-03T01:53:56.70 0.1 undecidable manual Pg 195 33.1446 -0.045 96
IV.NRCA.HHZ. 2009-07-03T01:53:56.22 0.1 undecidable manual Pg 345 31.8459 -0.336 91
IV.SAN2.EHZ. 2009-07-03T01:53:55.09 0.3 undecidable manual Sg 32 9.6792 0.057 75
IV.T0104.EHE. 2009-07-03T01:53:55.39 0.3 undecidable manual Pg 156 23.9538 0.06 73
IV.SAN2.EHZ. 2009-07-03T01:53:53.15 0.1 undecidable manual Pg 32 9.6792 0.19 97
IV.LNSS.HHZ. 2009-07-03T01:53:53.86 0.1 undecidable manual Pg 289 15.4734 0.007 100
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