Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 02-05-2009 and time 03:42:41 (Italy) in region 3 km E L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 3 km E L'Aquila (AQ), on

  • 02-05-2009 01:42:41 (UTC)
  • 02-05-2009 03:42:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3440, 13.4340 at 15 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
L'Aquila AQ 3 69753 69753
Fossa AQ 7 721 70474
Ocre AQ 7 1167 71641
Poggio Picenze AQ 9 1136 72777
Sant'Eusanio Forconese AQ 10 394 73171
Lucoli AQ 10 1011 74182
Villa Sant'Angelo AQ 12 424 74606
San Demetrio ne' Vestini AQ 12 1854 76460
Tornimparte AQ 12 3187 79647
Rocca di Cambio AQ 13 533 80180
Barisciano AQ 13 1828 82008
Scoppito AQ 15 3727 85735
Fagnano Alto AQ 15 418 86153
Pizzoli AQ 15 4326 90479
Prata d'Ansidonia AQ 16 496 90975
Rocca di Mezzo AQ 17 1526 92501
Barete AQ 17 737 93238
Santo Stefano di Sessanio AQ 18 111 93349
Fontecchio AQ 19 369 93718
San Pio delle Camere AQ 19 661 94379

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km E of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
60 Km W of Chieti (51815 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
66 Km W of Pescara (121014 inhabitants)
67 Km NE of Tivoli (56533 inhabitants)
69 Km E of Terni (111501 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km SE of Foligno (57155 inhabitants)
91 Km NE of Velletri (53303 inhabitants)
93 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 2.6
ML 2.0 		2009-05-02
01:42:41		 42.344 13.434 15 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 846089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-02 01:42:41 ± 0.14
Latitude 42.3440 ± 0.0072
Longitude 13.4340 ± 0.0110
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 846089

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 999
Semi-minor axis of confidence ellipse (meter) 273
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 1204.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.54
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92900
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 846089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:03:03

Md:2.6

Field Value
Value 2.6
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 846089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:03:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ESLN.BHN. 2009-05-02T01:43:51.22 10.0 undecidable manual Pg 0 0 0
IV.MOCO.HHZ. 2009-05-02T01:43:34.77 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-05-02T01:43:25.57 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHE. 2009-05-02T01:43:16.56 10.0 undecidable manual Pg 0 0 0
IV.MA9.HHN. 2009-05-02T01:43:15.35 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHE. 2009-05-02T01:43:11.35 10.0 undecidable manual Pg 0 0 0
IV.RDP.BHE. 2009-05-02T01:43:11.85 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHE. 2009-05-02T01:43:10.63 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHN. 2009-05-02T01:43:09.92 10.0 undecidable manual Sg 0 0 0
IV.CAFR.HHN. 2009-05-02T01:43:07.90 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHE. 2009-05-02T01:43:06.63 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHN. 2009-05-02T01:43:06.26 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHN. 2009-05-02T01:43:05.30 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-05-02T01:43:04.06 0.1 undecidable manual Sg 156 76.8675 -0.619 78
IV.FDMO.HHE. 2009-05-02T01:43:04.01 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHZ. 2009-05-02T01:43:02.69 0.1 undecidable manual Sg 118 69.7746 -0.112 88
IV.CESX.HHZ. 2009-05-02T01:43:01.29 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHN. 2009-05-02T01:42:59.86 0.6 undecidable manual Sg 221 57.498 0.342 43
IV.MIDA.HHE. 2009-05-02T01:42:58.75 0.3 undecidable manual Pg 139 103.119 -0.246 60
IV.INTR.HHE. 2009-05-02T01:42:57.70 0.6 undecidable manual Sg 133 53.4021 -0.74 38
IV.CESI.HHN. 2009-05-02T01:42:56.16 0.6 undecidable manual Pg 330 85.0482 -0.062 43
IV.MTCE.HHZ. 2009-05-02T01:42:56.22 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-05-02T01:42:55.02 0.1 undecidable manual Pg 156 76.8675 0.064 88
IV.LPEL.HHZ. 2009-05-02T01:42:54.11 0.1 undecidable manual Pg 118 69.7746 0.238 87
IV.POFI.HHN. 2009-05-02T01:42:54.33 0.3 undecidable manual Pg 162 73.1712 -0.057 67
IV.GUAR.HHN. 2009-05-02T01:42:54.10 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHN. 2009-05-02T01:42:52.37 0.1 undecidable manual Pg 221 57.498 0.394 85
IV.MNS.HHE. 2009-05-02T01:42:52.88 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHE. 2009-05-02T01:42:51.37 0.3 undecidable manual Pg 163 54.9006 -0.204 67
IV.INTR.HHE. 2009-05-02T01:42:51.47 0.1 undecidable manual Pg 133 53.4021 0.116 91
IV.NRCA.SHZ. 2009-05-02T01:42:51.84 0.6 undecidable manual Pg 334 60.2952 -0.565 40
IV.CAMP.HHZ. 2009-05-02T01:42:49.33 0.1 undecidable manual Sg 354 21.3675 -0.715 80
IV.VCEL.EHZ. 2009-05-02T01:42:49.81 0.1 undecidable manual Pg 80 33.744 1.459 57
IV.LNSS.HHN. 2009-05-02T01:42:49.07 0.3 undecidable manual Pg 312 43.1235 -0.713 59
IV.PTQR.SHZ. 2009-05-02T01:42:48.81 0.1 undecidable manual Pg 184 35.8419 0.147 93
IV.TERO.HHZ. 2009-05-02T01:42:48.78 0.1 undecidable manual Pg 24 33.9438 0.409 90
IV.FAGN.HHZ. 2009-05-02T01:42:47.85 0.1 undecidable manual Sg 125 15.0738 -0.684 84
IV.FIAM.HHZ. 2009-05-02T01:42:47.24 0.1 undecidable manual Pg 252 27.3504 -0.143 96
IV.CAMP.HHZ. 2009-05-02T01:42:46.56 0.1 undecidable manual Pg 354 21.3675 0.054 99
MN.AQU.HHZ. 2009-05-02T01:42:46.67 0.1 undecidable manual Sg 293 2.8971 0.036 100
MN.AQU.HHZ. 2009-05-02T01:42:45.02 0.1 undecidable manual Pg 293 2.8971 0.483 92
IV.FAGN.HHZ. 2009-05-02T01:42:45.99 0.1 undecidable manual Pg 125 15.0738 0.356 93
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