Earthquake with magnitude of ML 2.2 on date 09-04-2009 and time 00:42:09 (Italy) in region 3 km NE L'Aquila (AQ)

A magnitude ML 2.2 earthquake occured in region: 3 km NE L'Aquila (AQ), on

  • 08-04-2009 22:42:09 (UTC)
  • 09-04-2009 00:42:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3720, 13.4300 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.

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 10 721 70474
Ocre AQ 10 1167 71641
Poggio Picenze AQ 11 1136 72777
Lucoli AQ 12 1011 73788
Sant'Eusanio Forconese AQ 12 394 74182
Pizzoli AQ 13 4326 78508
Tornimparte AQ 14 3187 81695
San Demetrio ne' Vestini AQ 14 1854 83549
Scoppito AQ 14 3727 87276
Barisciano AQ 14 1828 89104
Villa Sant'Angelo AQ 14 424 89528
Barete AQ 15 737 90265
Rocca di Cambio AQ 16 533 90798
Fagnano Alto AQ 18 418 91216
Prata d'Ansidonia AQ 18 496 91712
Santo Stefano di Sessanio AQ 18 111 91823
Cagnano Amiterno AQ 19 1369 93192
Rocca di Mezzo AQ 20 1526 94718
Capitignano AQ 20 665 95383
Pietracamela TE 20 271 95654
Crognaleto TE 20 1297 96951

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km NE of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
61 Km W of Chieti (51815 inhabitants)
61 Km W of Montesilvano (53738 inhabitants)
65 Km W of Pescara (121014 inhabitants)
68 Km E of Terni (111501 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km SE of Foligno (57155 inhabitants)
93 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
Md 2.7
ML 2.2
2009-04-08
22:42:09
42.372 13.43 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 776349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 22:42:09 ± 0.08
Latitude 42.3720 ± 0.0045
Longitude 13.4300 ± 0.0085
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 776349

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 671
Semi-minor axis of confidence ellipse (meter) 506
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74104
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 776349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:31

Md:2.7

Field Value
Value 2.7
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 776349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHN. 2009-04-08T22:42:43.43 10.0 undecidable manual Pg 0 0 0
IV.PTS.SHZ. 2009-04-08T22:42:43.22 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHE. 2009-04-08T22:42:42.34 10.0 undecidable manual Sg 0 0 0
IV.ASSB.HHN. 2009-04-08T22:42:41.84 10.0 undecidable manual Sg 0 0 0
IV.GIUL.HHE. 2009-04-08T22:42:41.38 10.0 undecidable manual Sg 0 0 0
IV.MA9.HHE. 2009-04-08T22:42:40.79 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-08T22:42:38.61 10.0 undecidable manual Sg 0 0 0
IV.PTRJ.HHN. 2009-04-08T22:42:38.40 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHN. 2009-04-08T22:42:38.25 10.0 undecidable manual Pg 0 0 0
IV.FSSB.SHZ. 2009-04-08T22:42:37.29 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-04-08T22:42:36.50 10.0 undecidable manual Sg 0 0 0
IV.CAFR.HHN. 2009-04-08T22:42:36.00 10.0 undecidable manual Pg 0 0 0
IV.VAGA.HHZ. 2009-04-08T22:42:36.72 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHN. 2009-04-08T22:42:36.97 10.0 undecidable manual Sg 0 0 0
IV.SGG.HHN. 2009-04-08T22:42:36.58 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHN. 2009-04-08T22:42:33.88 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-04-08T22:42:32.88 10.0 undecidable manual Pg 0 0 0
IV.CING.HHZ. 2009-04-08T22:42:31.67 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHE. 2009-04-08T22:42:29.26 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHE. 2009-04-08T22:42:29.68 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHZ. 2009-04-08T22:42:28.62 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHZ. 2009-04-08T22:42:28.80 0.6 undecidable manual Sg 135 55.8996 1.019 34
IV.MIDA.HHZ. 2009-04-08T22:42:28.29 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHZ. 2009-04-08T22:42:28.39 1.0 undecidable manual Sg 218 59.5959 -0.388 21
IV.NRCA.SHZ. 2009-04-08T22:42:28.58 0.6 undecidable manual Sg 333 57.3981 0.401 43
IV.ASSB.HHN. 2009-04-08T22:42:28.87 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-08T22:42:28.15 10.0 undecidable manual Pg 0 0 0
IV.CESX.HHZ. 2009-04-08T22:42:27.87 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHE. 2009-04-08T22:42:24.75 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHE. 2009-04-08T22:42:24.33 0.3 undecidable manual Pg 329 82.251 -0.001 67
IV.MTCE.HHZ. 2009-04-08T22:42:24.88 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHE. 2009-04-08T22:42:23.63 10.0 undecidable manual Pg 0 0 0
IV.PTQR.SHZ. 2009-04-08T22:42:23.19 0.3 undecidable manual Sg 184 38.8278 -0.054 72
IV.SDI.SHZ. 2009-04-08T22:42:23.76 0.1 undecidable manual Pg 157 79.8645 -0.195 86
IV.GUAR.HHZ. 2009-04-08T22:42:22.83 0.3 undecidable manual Pg 189 64.7907 1.201 46
IV.OFFI.HHZ. 2009-04-08T22:42:22.82 0.3 undecidable manual Pg 18 65.8896 1.013 50
IV.CERT.HHZ. 2009-04-08T22:42:20.70 0.1 undecidable manual Pg 218 59.5959 -0.133 90
IV.NRCA.SHZ. 2009-04-08T22:42:20.39 0.1 undecidable manual Pg 333 57.3981 -0.098 92
IV.VVLD.HHZ. 2009-04-08T22:42:20.73 0.3 undecidable manual Pg 164 57.8976 0.151 68
IV.MNS.HHZ. 2009-04-08T22:42:20.62 0.6 undecidable manual Pg 272 61.3941 -0.488 42
IV.TERO.HHZ. 2009-04-08T22:42:20.64 0.6 undecidable manual Sg 27 31.3464 -0.585 43
IV.FIAM.HHZ. 2009-04-08T22:42:20.27 0.6 undecidable manual Sg 246 28.0497 0.042 49
IV.INTR.HHZ. 2009-04-08T22:42:20.17 0.1 undecidable manual Pg 135 55.8996 -0.086 92
IV.PTQR.SHZ. 2009-04-08T22:42:17.44 0.1 undecidable manual Pg 184 38.8278 -0.201 93
IV.CAMP.HHZ. 2009-04-08T22:42:17.38 0.3 undecidable manual Sg 355 18.2706 0.3 71
IV.LNSS.HHZ. 2009-04-08T22:42:17.77 0.1 undecidable manual Pg 309 40.9257 -0.178 93
IV.FAGN.HHZ. 2009-04-08T22:42:16.74 0.6 undecidable manual Sg 133 17.2716 -0.021 50
IV.VCEL.EHZ. 2009-04-08T22:42:16.71 0.1 undecidable manual Pg 86 33.744 -0.145 95
IV.FIAM.HHZ. 2009-04-08T22:42:15.96 0.1 undecidable manual Pg 246 28.0497 0.06 97
IV.TERO.HHZ. 2009-04-08T22:42:15.95 0.1 undecidable manual Pg 27 31.3464 -0.522 87
IV.CAMP.HHZ. 2009-04-08T22:42:14.21 0.1 undecidable manual Pg 355 18.2706 0.128 98
IV.T0104.EHZ. 2009-04-08T22:42:14.42 0.6 undecidable manual Sg 260 7.5813 0.31 48
IV.FAGN.HHZ. 2009-04-08T22:42:13.95 0.1 undecidable manual Pg 133 17.2716 0.055 99
IV.T0104.EHZ. 2009-04-08T22:42:12.61 0.1 undecidable manual Pg 260 7.5813 0.242 97
MN.AQU.HHZ. 2009-04-08T22:42:12.74 0.3 undecidable manual Sg 229 2.997 -0.583 67
MN.AQU.HHZ. 2009-04-08T22:42:11.78 0.1 undecidable manual Pg 229 2.997 -0.132 100
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