Earthquake with magnitude of ML 1.6 on date 03-07-2009 and time 04:50:57 (UTC) in region 2 km S Fossa (AQ)

A magnitude ML 1.6 earthquake occured in region: 2 km S Fossa (AQ), on

  • 03-07-2009 04:50:57 (UTC)
  • 03-07-2009 06:50:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2810, 13.4920 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
Fossa AQ 2 721 721
Ocre AQ 2 1167 1888
Sant'Eusanio Forconese AQ 3 394 2282
Villa Sant'Angelo AQ 4 424 2706
Rocca di Cambio AQ 5 533 3239
San Demetrio ne' Vestini AQ 6 1854 5093
Poggio Picenze AQ 6 1136 6229
Fagnano Alto AQ 8 418 6647
Rocca di Mezzo AQ 8 1526 8173
Prata d'Ansidonia AQ 10 496 8669
Barisciano AQ 10 1828 10497
Fontecchio AQ 11 369 10866
L'Aquila AQ 11 69753 80619
Lucoli AQ 13 1011 81630
San Pio delle Camere AQ 14 661 82291
Santo Stefano di Sessanio AQ 15 111 82402
Tione degli Abruzzi AQ 15 310 82712
Caporciano AQ 15 230 82942
Tornimparte AQ 16 3187 86129
Carapelle Calvisio AQ 16 87 86216
Ovindoli AQ 17 1227 87443
Castelvecchio Calvisio AQ 17 153 87596
Calascio AQ 18 137 87733

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of L'Aquila (69753 inhabitants)
46 Km SW of Teramo (54892 inhabitants)
56 Km W of Chieti (51815 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
63 Km W of Pescara (121014 inhabitants)
67 Km NE of Tivoli (56533 inhabitants)
70 Km E of Guidonia Montecelio (88673 inhabitants)
76 Km E of Terni (111501 inhabitants)
89 Km NE of Velletri (53303 inhabitants)
94 Km E of Roma (2864731 inhabitants)
99 Km SE of Foligno (57155 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 1.6
2009-07-03
04:50:57
42.281 13.492 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 914389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-07-03 04:50:57 ± 0.06
Latitude 42.2810 ± 0.0036
Longitude 13.4920 ± 0.0036
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 914389

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 385
Semi-minor axis of confidence ellipse (meter) 342
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61783
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 914389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:24:21

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 914389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:24:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMME.HHE. 2009-07-03T04:52:08.05 10.0 undecidable manual Pg 0 0 0
NI.ACOM.HHZ. 2009-07-03T04:51:45.20 10.0 undecidable manual Pg 0 0 0
NI.AGOR.HHE. 2009-07-03T04:51:32.40 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHN. 2009-07-03T04:51:26.40 10.0 undecidable manual Pg 0 0 0
IV.MPAZ.HHN. 2009-07-03T04:51:18.04 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHE. 2009-07-03T04:51:14.13 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-07-03T04:51:12.44 0.3 undecidable manual Sg 131 45.2214 0.116 70
IV.SDI.SHZ. 2009-07-03T04:51:10.11 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHE. 2009-07-03T04:51:09.62 0.1 undecidable manual Pg 333 68.5758 -0.101 89
IV.LNSS.HHZ. 2009-07-03T04:51:09.57 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHE. 2009-07-03T04:51:09.95 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHZ. 2009-07-03T04:51:08.49 0.3 undecidable manual Sg 66 31.1466 -0.09 72
IV.FIAM.HHZ. 2009-07-03T04:51:08.38 0.3 undecidable manual Sg 267 30.8469 -0.104 72
IV.INTR.HHZ. 2009-07-03T04:51:06.08 0.1 undecidable manual Pg 131 45.2214 -0.034 94
IV.T0102.HLZ. 2009-07-03T04:51:05.36 0.6 undecidable manual Sg 311 19.4694 0.087 49
IV.SAN2.EHZ. 2009-07-03T04:51:05.79 0.3 undecidable manual Pg 336 42.4242 0.109 70
IV.TERO.HHN. 2009-07-03T04:51:04.88 0.3 undecidable manual Pg 14 38.9277 -0.271 68
IV.T0104.EHE. 2009-07-03T04:51:04.01 0.3 undecidable manual Sg 305 15.3735 -0.046 74
IV.VCEL.EHZ. 2009-07-03T04:51:04.04 0.1 undecidable manual Pg 66 31.1466 0.086 96
IV.T0107.HLE. 2009-07-03T04:51:03.95 0.1 undecidable manual Pg 317 29.2485 0.302 92
IV.PTQR.SHZ. 2009-07-03T04:51:03.63 0.1 undecidable manual Pg 195 29.748 -0.099 96
IV.FIAM.HHZ. 2009-07-03T04:51:03.86 0.3 undecidable manual Pg 267 30.8469 -0.038 73
IV.T0102.HLZ. 2009-07-03T04:51:02.17 0.6 undecidable manual Pg 311 19.4694 0.127 48
MN.AQU.HHZ. 2009-07-03T04:51:02.65 0.3 undecidable manual Sg 317 10.9779 -0.205 73
IV.T0104.EHE. 2009-07-03T04:51:01.44 0.1 undecidable manual Pg 305 15.3735 0.099 98
MN.AQU.HHZ. 2009-07-03T04:51:00.69 0.1 undecidable manual Pg 317 10.9779 0.042 100
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