Earthquake with magnitude of ML 2.0 on date 26-04-2009 and time 02:06:58 (Italy) in region 4 km E L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 4 km E L'Aquila (AQ), on

  • 26-04-2009 00:06:58 (UTC)
  • 26-04-2009 02:06:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3470, 13.4440 at 16 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
L'Aquila AQ 4 69753 69753
Fossa AQ 7 721 70474
Ocre AQ 7 1167 71641
Poggio Picenze AQ 9 1136 72777
Sant'Eusanio Forconese AQ 9 394 73171
Lucoli AQ 11 1011 74182
San Demetrio ne' Vestini AQ 12 1854 76036
Villa Sant'Angelo AQ 12 424 76460
Barisciano AQ 12 1828 78288
Rocca di Cambio AQ 13 533 78821
Tornimparte AQ 13 3187 82008
Fagnano Alto AQ 15 418 82426
Prata d'Ansidonia AQ 15 496 82922
Scoppito AQ 16 3727 86649
Pizzoli AQ 16 4326 90975
Rocca di Mezzo AQ 17 1526 92501
Santo Stefano di Sessanio AQ 17 111 92612
Barete AQ 18 737 93349
Fontecchio AQ 19 369 93718
San Pio delle Camere AQ 19 661 94379

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km E of L'Aquila (69753 inhabitants)
41 Km SW of Teramo (54892 inhabitants)
60 Km W of Chieti (51815 inhabitants)
61 Km W of Montesilvano (53738 inhabitants)
65 Km W of Pescara (121014 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
70 Km E of Terni (111501 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km SE of Foligno (57155 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
94 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 2.0 2009-04-26
00:06:58
42.347 13.444 16 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 835959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-26 00:06:58 ± 0.09
Latitude 42.3470 ± 0.0036
Longitude 13.4440 ± 0.0061
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 835959

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 470
Semi-minor axis of confidence ellipse (meter) 182
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.04411
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 26
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 835959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:51:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHZ. 2009-04-26T00:07:29.92 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHZ. 2009-04-26T00:07:27.42 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-04-26T00:07:26.54 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-26T00:07:24.70 10.0 undecidable manual Sg 0 0 0
IV.ARVD.HHN. 2009-04-26T00:07:23.20 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHE. 2009-04-26T00:07:22.78 10.0 undecidable manual Pg 0 0 0
IV.TRTR.HHE. 2009-04-26T00:07:22.47 10.0 undecidable manual Pg 0 0 0
IV.CAFR.HHE. 2009-04-26T00:07:22.93 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-26T00:07:21.22 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHZ. 2009-04-26T00:07:19.01 0.3 undecidable manual Sg 118 69.1752 -0.335 63
IV.SNTG.SHZ. 2009-04-26T00:07:18.86 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-04-26T00:07:17.70 0.6 undecidable manual Pg 350 115.8951 0.05 41
IV.NRCA.HHN. 2009-04-26T00:07:17.01 0.1 undecidable manual Sg 334 60.3951 0.015 91
IV.CERT.HHZ. 2009-04-26T00:07:16.89 0.1 undecidable manual Sg 221 58.2972 0.457 84
IV.RMP.HHZ. 2009-04-26T00:07:15.03 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHN. 2009-04-26T00:07:15.63 0.3 undecidable manual Pg 139 102.8193 0.001 63
IV.ASSB.HHN. 2009-04-26T00:07:15.28 0.6 undecidable manual Pg 321 100.3218 0.03 42
IV.CERA.HHN. 2009-04-26T00:07:14.39 0.3 undecidable manual Pg 150 95.6376 -0.133 62
IV.CDCA.EHE. 2009-04-26T00:07:13.27 10.0 undecidable manual Pg 0 0 0
IV.CESX.HHZ. 2009-04-26T00:07:13.18 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHN. 2009-04-26T00:07:13.74 0.3 undecidable manual Pg 190 88.8444 0.256 62
IV.CESI.HHE. 2009-04-26T00:07:12.64 0.3 undecidable manual Pg 329 85.248 -0.295 62
IV.LNSS.HHN. 2009-04-26T00:07:12.77 0.1 undecidable manual Sg 311 43.623 0.208 90
IV.GUMA.HHZ. 2009-04-26T00:07:12.08 0.3 undecidable manual Pg 354 79.9644 -0.035 66
IV.POFI.HHE. 2009-04-26T00:07:11.49 0.3 undecidable manual Pg 162 73.1712 0.41 62
IV.SDI.SHZ. 2009-04-26T00:07:11.29 0.3 undecidable manual Pg 157 76.7676 -0.344 62
IV.FDMO.HHE. 2009-04-26T00:07:11.99 0.3 undecidable manual Pg 339 81.8514 -0.424 61
IV.OFFI.HHN. 2009-04-26T00:07:11.26 0.3 undecidable manual Pg 17 68.1762 0.951 50
IV.PTQR.SHZ. 2009-04-26T00:07:10.74 0.3 undecidable manual Sg 186 36.2415 0.119 71
IV.MNS.HHZ. 2009-04-26T00:07:10.33 0.3 undecidable manual Pg 274 62.6928 0.857 53
IV.MTCE.HHZ. 2009-04-26T00:07:10.17 0.3 undecidable manual Pg 238 67.9764 -0.11 66
IV.VCEL.EHZ. 2009-04-26T00:07:10.59 0.1 undecidable manual Sg 81 32.9448 0.826 77
IV.LPEL.HHZ. 2009-04-26T00:07:09.77 0.3 undecidable manual Pg 118 69.1752 -0.7 56
IV.TERO.HHZ. 2009-04-26T00:07:09.68 0.1 undecidable manual Sg 23 33.3444 -0.188 93
IV.GUAR.HHZ. 2009-04-26T00:07:09.68 0.3 undecidable manual Pg 190 62.1933 0.286 65
IV.CERT.HHZ. 2009-04-26T00:07:08.67 0.1 undecidable manual Pg 221 58.2972 -0.119 90
IV.FIAM.HHZ. 2009-04-26T00:07:08.20 0.1 undecidable manual Sg 252 28.2495 -0.367 90
IV.NRCA.HHN. 2009-04-26T00:07:08.68 0.1 undecidable manual Pg 334 60.3951 -0.433 84
IV.VVLD.HHE. 2009-04-26T00:07:08.23 0.1 undecidable manual Pg 164 54.9006 -0.048 91
IV.INTR.HHZ. 2009-04-26T00:07:07.44 0.3 undecidable manual Pg 134 53.0025 -0.55 61
IV.CAMP.HHZ. 2009-04-26T00:07:06.96 0.1 undecidable manual Sg 352 21.1677 0.129 95
IV.LNSS.HHN. 2009-04-26T00:07:06.35 0.1 undecidable manual Pg 311 43.623 -0.204 91
IV.VCEL.EHZ. 2009-04-26T00:07:05.28 0.1 undecidable manual Pg 81 32.9448 0.342 90
IV.PTQR.SHZ. 2009-04-26T00:07:05.34 0.1 undecidable manual Pg 186 36.2415 -0.093 94
IV.TERO.HHZ. 2009-04-26T00:07:04.76 0.1 positive manual Pg 23 33.3444 -0.238 92
IV.FIAM.HHZ. 2009-04-26T00:07:04.15 0.1 positive manual Pg 252 28.2495 -0.097 96
IV.CAMP.HHZ. 2009-04-26T00:07:03.33 0.1 positive manual Pg 352 21.1677 0.091 96
MN.AQU.HHZ. 2009-04-26T00:07:03.56 0.1 undecidable manual Sg 283 3.5964 -0.157 98
MN.AQU.HHZ. 2009-04-26T00:07:01.52 0.1 negative manual Pg 283 3.5964 0.073 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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