Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 07-04-2009 and time 18:03:00 (Italy) in region 3 km SW Pizzoli (AQ)

A magnitude ML 2.3 earthquake occured in region: 3 km SW Pizzoli (AQ), on

  • 07-04-2009 16:03:00 (UTC)
  • 07-04-2009 18:03:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4120, 13.2730 at 4 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
Pizzoli AQ 3 4326 4326
Barete AQ 5 737 5063
Scoppito AQ 5 3727 8790
Cagnano Amiterno AQ 7 1369 10159
L'Aquila AQ 12 69753 79912
Capitignano AQ 12 665 80577
Montereale AQ 13 2581 83158
Tornimparte AQ 14 3187 86345
Lucoli AQ 14 1011 87356
Antrodoco RI 16 2588 89944
Borbona RI 16 617 90561
Borgo Velino RI 18 972 91533
Campotosto AQ 18 542 92075
Micigliano RI 18 127 92202
Posta RI 19 694 92896

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NW of L'Aquila (69753 inhabitants)
45 Km SW of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
63 Km NE of Tivoli (56533 inhabitants)
64 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
74 Km W of Chieti (51815 inhabitants)
76 Km SE of Foligno (57155 inhabitants)
78 Km W of Pescara (121014 inhabitants)
87 Km NE of Roma (2864731 inhabitants)
90 Km NE of Velletri (53303 inhabitants)
96 Km E of Viterbo (67173 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 2.3 		2009-04-07
16:03:00		 42.412 13.273 4 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 767899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-07 16:03:00 ± 0.13
Latitude 42.4120 ± 0.0054
Longitude 13.2730 ± 0.0097
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 767899

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 687
Semi-minor axis of confidence ellipse (meter) 625
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
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) 113
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.98386
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 767899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:31:36

Md:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 767899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:31:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ROSI.BHE. 2009-04-07T16:04:09.46 10.0 undecidable manual Pg 0 0 0
IV.MRLC.HHN. 2009-04-07T16:03:51.15 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHN. 2009-04-07T16:03:39.27 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHN. 2009-04-07T16:03:38.52 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHE. 2009-04-07T16:03:38.61 10.0 undecidable manual Pg 0 0 0
IV.CING.HHE. 2009-04-07T16:03:33.36 0.6 undecidable manual Sg 357 107.115 0.045 43
IV.PIEI.HHN. 2009-04-07T16:03:30.31 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHE. 2009-04-07T16:03:26.48 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-07T16:03:24.29 10.0 undecidable manual Pg 0 0 0
IV.RDP.BHE. 2009-04-07T16:03:24.00 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHZ. 2009-04-07T16:03:23.43 10.0 undecidable manual Sg 0 0 0
IV.CESI.HHN. 2009-04-07T16:03:23.89 10.0 undecidable manual Pg 0 0 0
IV.TOLF.HHZ. 2009-04-07T16:03:22.20 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHZ. 2009-04-07T16:03:22.34 10.0 undecidable manual Sg 0 0 0
IV.INTR.HHZ. 2009-04-07T16:03:22.00 10.0 undecidable manual Sg 0 0 0
IV.CERA.HHE. 2009-04-07T16:03:20.35 0.6 undecidable manual Pg 146 109.2129 0.549 39
IV.CING.HHE. 2009-04-07T16:03:19.34 0.6 undecidable manual Pg 357 107.115 -0.141 43
IV.SNTG.SHZ. 2009-04-07T16:03:17.92 0.3 undecidable manual Pg 344 97.4247 -0.06 66
IV.SDI.SHZ. 2009-04-07T16:03:17.72 1.0 undecidable manual Pg 150 89.5437 0.943 17
IV.GIUL.HHZ. 2009-04-07T16:03:17.65 0.3 undecidable manual Pg 181 94.7385 0.081 66
IV.POFI.HHN. 2009-04-07T16:03:16.63 0.3 undecidable manual Pg 155 85.0482 0.544 61
IV.VCEL.EHZ. 2009-04-07T16:03:16.70 0.6 undecidable manual Sg 92 46.5201 -0.067 49
IV.ASSB.HHE. 2009-04-07T16:03:15.55 0.3 undecidable manual Pg 325 86.0472 -0.686 57
IV.MNS.HHZ. 2009-04-07T16:03:14.01 10.0 undecidable manual Sg 0 0 0
IV.FDMO.HHZ. 2009-04-07T16:03:13.05 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-04-07T16:03:13.64 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHZ. 2009-04-07T16:03:13.06 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHE. 2009-04-07T16:03:13.64 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-04-07T16:03:11.01 10.0 undecidable manual Pg 0 0 0
IV.PTQR.SHZ. 2009-04-07T16:03:11.52 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2009-04-07T16:03:11.59 10.0 undecidable manual Sg 0 0 0
IV.CERT.HHZ. 2009-04-07T16:03:11.20 0.6 undecidable manual Pg 205 56.5989 -0.505 43
IV.MNS.HHZ. 2009-04-07T16:03:10.25 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHE. 2009-04-07T16:03:10.50 0.3 undecidable manual Sg 122 30.1476 -0.622 65
IV.LNSS.HHE. 2009-04-07T16:03:10.72 0.6 undecidable manual Sg 318 28.5492 0.173 49
IV.FIAM.HHN. 2009-04-07T16:03:09.03 10.0 undecidable manual Sg 0 0 0
IV.VCEL.EHZ. 2009-04-07T16:03:09.27 0.6 undecidable manual Pg 92 46.5201 -0.656 42
IV.CAMP.HHZ. 2009-04-07T16:03:07.02 0.3 undecidable manual Sg 39 17.6712 0.184 75
IV.LNSS.HHE. 2009-04-07T16:03:06.33 0.3 undecidable manual Pg 318 28.5492 -0.007 76
IV.FAGN.HHE. 2009-04-07T16:03:06.83 0.3 undecidable manual Pg 122 30.1476 0.16 73
IV.TERO.HHZ. 2009-04-07T16:03:05.98 10.0 undecidable manual Pg 0 0 0
IV.FIAM.HHN. 2009-04-07T16:03:05.38 10.0 undecidable manual Pg 0 0 0
MN.AQU.HHZ. 2009-04-07T16:03:05.10 0.3 undecidable manual Sg 121 12.3765 0.07 77
IV.CAMP.HHZ. 2009-04-07T16:03:04.36 0.1 undecidable manual Pg 39 17.6712 0.167 100
MN.AQU.HHZ. 2009-04-07T16:03:03.25 0.3 undecidable manual Pg 121 12.3765 0.099 77
IV.TRIV.HHZ. 2009-04-07T16:02:55.75 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHZ. 2009-04-07T16:02:54.56 10.0 undecidable manual Pg 0 0 0
IV.SOR.HHE. 2009-04-07T16:02:53.09 10.0 undecidable manual Pg 0 0 0
IV.MSC.EHZ. 2009-04-07T16:02:29.25 10.0 undecidable manual Pg 0 0 0
IV.SCHR.EHN. 2009-04-07T16:02:14.50 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
Waveforms Seismic signals in miniseed + resp format Download