Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 07-04-2009 and time 21:20:54 (Italy) in region 5 km W Poggio Picenze (AQ)

A magnitude ML 1.9 earthquake occured in region: 5 km W Poggio Picenze (AQ), on

  • 07-04-2009 19:20:54 (UTC)
  • 07-04-2009 21:20:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3450, 13.4860 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Poggio Picenze AQ 5 1136 1136
Fossa AQ 6 721 1857
Ocre AQ 7 1167 3024
Sant'Eusanio Forconese AQ 7 394 3418
L'Aquila AQ 7 69753 73171
San Demetrio ne' Vestini AQ 9 1854 75025
Barisciano AQ 9 1828 76853
Villa Sant'Angelo AQ 9 424 77277
Rocca di Cambio AQ 12 533 77810
Prata d'Ansidonia AQ 12 496 78306
Fagnano Alto AQ 13 418 78724
Santo Stefano di Sessanio AQ 13 111 78835
Lucoli AQ 14 1011 79846
San Pio delle Camere AQ 15 661 80507
Rocca di Mezzo AQ 15 1526 82033
Fontecchio AQ 16 369 82402
Tornimparte AQ 16 3187 85589
Carapelle Calvisio AQ 17 87 85676
Castelvecchio Calvisio AQ 17 153 85829
Calascio AQ 17 137 85966
Caporciano AQ 18 230 86196
Pizzoli AQ 19 4326 90522
Scoppito AQ 19 3727 94249
Tione degli Abruzzi AQ 20 310 94559

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km E of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
56 Km W of Chieti (51815 inhabitants)
58 Km W of Montesilvano (53738 inhabitants)
61 Km W of Pescara (121014 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
73 Km E of Terni (111501 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km SE of Foligno (57155 inhabitants)
94 Km NE of Velletri (53303 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 		ML 1.9 2009-04-07
19:20:54		 42.345 13.486 9 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 769009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-07 19:20:54 ± 0.1
Latitude 42.3450 ± 0.0054
Longitude 13.4860 ± 0.0097
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 769009

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 896
Semi-minor axis of confidence ellipse (meter) 333
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92450
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 769009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:32:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HHE. 2009-04-07T19:21:42.97 10.0 undecidable manual Pg 0 0 0
SI.ROSI.BHN. 2009-04-07T19:21:32.11 10.0 undecidable manual Pg 0 0 0
IV.CING.HHE. 2009-04-07T19:21:31.40 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-04-07T19:21:24.04 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHZ. 2009-04-07T19:21:20.15 10.0 undecidable manual Sg 0 0 0
IV.CERA.HHN. 2009-04-07T19:21:18.09 10.0 undecidable manual Pg 0 0 0
IV.MCRV.HHN. 2009-04-07T19:21:16.54 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-07T19:21:16.89 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-04-07T19:21:11.92 0.1 undecidable manual Sg 168 54.0015 0.39 87
IV.ASSB.HHN. 2009-04-07T19:21:11.69 0.1 undecidable manual Pg 319 102.6195 0.012 86
IV.INTR.HHZ. 2009-04-07T19:21:11.20 0.6 undecidable manual Sg 137 50.5161 0.582 41
IV.MNS.HHN. 2009-04-07T19:21:11.30 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHE. 2009-04-07T19:21:10.98 0.1 undecidable manual Pg 141 100.5216 -0.37 80
IV.GIUL.HHZ. 2009-04-07T19:21:09.76 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHZ. 2009-04-07T19:21:09.22 10.0 undecidable manual Sg 0 0 0
IV.CESI.HHZ. 2009-04-07T19:21:09.06 0.1 undecidable manual Pg 327 87.1461 -0.234 84
IV.FDMO.HHZ. 2009-04-07T19:21:08.62 0.1 undecidable manual Pg 337 83.25 -0.077 88
IV.GROG.HHN. 2009-04-07T19:21:07.73 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-07T19:21:07.24 0.1 undecidable manual Pg 159 75.369 -0.236 86
IV.OFFI.HHE. 2009-04-07T19:21:07.24 0.1 undecidable manual Pg 14 67.377 0.993 67
IV.PTQR.SHZ. 2009-04-07T19:21:06.29 0.6 undecidable manual Sg 191 36.5412 -0.596 42
IV.GUAR.HHE. 2009-04-07T19:21:06.52 0.1 undecidable manual Pg 193 62.7927 0.993 68
IV.NRCA.HHZ. 2009-04-07T19:21:05.06 0.1 undecidable manual Pg 331 62.0934 -0.365 86
IV.CERT.HHZ. 2009-04-07T19:21:05.42 0.1 undecidable manual Pg 223 60.3951 0.249 88
IV.FIAM.HHZ. 2009-04-07T19:21:05.31 0.6 undecidable manual Sg 254 31.4463 -0.126 48
IV.VVLD.HHZ. 2009-04-07T19:21:04.24 0.1 undecidable manual Pg 168 54.0015 0.067 93
IV.POFI.HHZ. 2009-04-07T19:21:04.57 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-04-07T19:21:03.30 0.1 undecidable manual Pg 137 50.5161 -0.353 88
IV.CAMP.HHE. 2009-04-07T19:21:02.41 0.3 undecidable manual Sg 343 22.0668 0.067 74
IV.LNSS.HHZ. 2009-04-07T19:21:02.72 0.1 undecidable manual Pg 308 46.3203 -0.279 90
IV.PTQR.SHZ. 2009-04-07T19:21:01.25 0.1 undecidable manual Pg 191 36.5412 -0.242 93
IV.FIAM.HHZ. 2009-04-07T19:21:00.48 0.1 undecidable manual Pg 254 31.4463 -0.181 95
IV.FAGN.HHZ. 2009-04-07T19:20:59.01 0.3 undecidable manual Sg 138 11.9769 -0.224 73
MN.AQU.HHZ. 2009-04-07T19:20:58.29 0.3 undecidable manual Sg 278 6.993 0.322 72
IV.CAMP.HHE. 2009-04-07T19:20:58.80 0.1 undecidable manual Pg 343 22.0668 -0.071 98
IV.FAGN.HHZ. 2009-04-07T19:20:57.00 0.1 undecidable manual Pg 138 11.9769 -0.074 100
MN.AQU.HHZ. 2009-04-07T19:20:56.56 0.1 undecidable manual Pg 278 6.993 0.219 98
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