Earthquake with magnitude of ML 0.9 on date 04-05-2009 and time 18:13:53 (Italy) in region 4 km NW Poggio Picenze (AQ)

A magnitude ML 0.9 earthquake occured in region: 4 km NW Poggio Picenze (AQ), on

  • 04-05-2009 16:13:53 (UTC)
  • 04-05-2009 18:13:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3500, 13.5100 at 1 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
Poggio Picenze AQ 4 1136 1136
Fossa AQ 6 721 1857
Sant'Eusanio Forconese AQ 7 394 2251
Barisciano AQ 7 1828 4079
Ocre AQ 8 1167 5246
San Demetrio ne' Vestini AQ 8 1854 7100
L'Aquila AQ 9 69753 76853
Villa Sant'Angelo AQ 9 424 77277
Prata d'Ansidonia AQ 11 496 77773
Santo Stefano di Sessanio AQ 11 111 77884
Fagnano Alto AQ 12 418 78302
Rocca di Cambio AQ 13 533 78835
San Pio delle Camere AQ 14 661 79496
Fontecchio AQ 15 369 79865
Castelvecchio Calvisio AQ 15 153 80018
Carapelle Calvisio AQ 15 87 80105
Calascio AQ 16 137 80242
Lucoli AQ 16 1011 81253
Rocca di Mezzo AQ 16 1526 82779
Caporciano AQ 17 230 83009
Castel del Monte AQ 18 413 83422
Tornimparte AQ 18 3187 86609
Tione degli Abruzzi AQ 19 310 86919
Pietracamela TE 20 271 87190

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km E of L'Aquila (69753 inhabitants)
38 Km SW of Teramo (54892 inhabitants)
54 Km W of Chieti (51815 inhabitants)
56 Km W of Montesilvano (53738 inhabitants)
59 Km W of Pescara (121014 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
75 Km E of Terni (111501 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km SE of Foligno (57155 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
99 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 1.7
ML 0.9
2009-05-04
16:13:53
42.35 13.51 1 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 849849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-04 16:13:53 ± 0.34
Latitude 42.3500 ± 0.0144
Longitude 13.5100 ± 0.0073
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 849849

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1828
Semi-minor axis of confidence ellipse (meter) 631
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 1708.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 262
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.10252
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 849849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:07:28

Md:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 849849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:07:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.HHE. 2009-05-04T16:13:57.13 0.3 undecidable manual Sg 147 11.0778 0.195 73
IV.T0106.HLZ. 2009-05-04T16:13:57.08 0.3 undecidable manual Sg 245 11.3775 0.062 75
IV.FAGN.HHE. 2009-05-04T16:13:55.14 0.1 undecidable manual Pg 147 11.0778 -0.159 98
IV.T0106.HLZ. 2009-05-04T16:13:55.54 0.3 undecidable manual Pg 245 11.3775 0.192 73
IV.T0105.HLZ. 2009-05-04T16:13:54.98 0.3 undecidable manual Sg 222 5.7942 -0.095 75
IV.T0105.HLZ. 2009-05-04T16:13:54.12 0.1 undecidable manual Pg 222 5.7942 -0.105 100
IV.ESLN.BHN. 2009-05-04T16:13:40.43 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