Earthquake with magnitude of ML 2.2 on date 06-04-2009 and time 15:41:55 (Italy) in region 6 km NW L'Aquila (AQ)

A magnitude ML 2.2 earthquake occured in region: 6 km NW L'Aquila (AQ), on

  • 06-04-2009 13:41:55 (UTC)
  • 06-04-2009 15:41:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3980, 13.3640 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 6 69753 69753
Pizzoli AQ 7 4326 74079
Barete AQ 9 737 74816
Scoppito AQ 9 3727 78543
Lucoli AQ 12 1011 79554
Tornimparte AQ 13 3187 82741
Cagnano Amiterno AQ 13 1369 84110
Capitignano AQ 15 665 84775
Fossa AQ 15 721 85496
Ocre AQ 16 1167 86663
Poggio Picenze AQ 17 1136 87799
Montereale AQ 17 2581 90380
Campotosto AQ 18 542 90922
Sant'Eusanio Forconese AQ 18 394 91316
Crognaleto TE 19 1297 92613

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NW of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
62 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
66 Km W of Chieti (51815 inhabitants)
67 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km W of Pescara (121014 inhabitants)
82 Km SE of Foligno (57155 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
93 Km NE of Velletri (53303 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 2.2 2009-04-06
13:41:55
42.398 13.364 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 760299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 13:41:55 ± 0.1
Latitude 42.3980 ± 0.0054
Longitude 13.3640 ± 0.0097
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 760299

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 838
Semi-minor axis of confidence ellipse (meter) 292
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
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) 102
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53060
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 9
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 760299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:22:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHN. 2009-04-06T13:42:14.22 0.6 undecidable manual Sg 212 58.8966 0.443 42
IV.NRCA.SHZ. 2009-04-06T13:42:12.68 0.6 undecidable manual Sg 337 52.4031 0.634 39
IV.PTQR.SHZ. 2009-04-06T13:42:08.76 0.3 undecidable manual Sg 176 41.8248 -0.463 64
IV.CERT.HHN. 2009-04-06T13:42:05.99 0.3 undecidable manual Pg 212 58.8966 0.073 67
IV.TERO.HHZ. 2009-04-06T13:42:05.81 0.3 undecidable manual Sg 38 31.746 -0.715 59
IV.FIAM.HHN. 2009-04-06T13:42:04.15 0.1 undecidable manual Sg 235 24.8529 -0.218 93
IV.NRCA.SHZ. 2009-04-06T13:42:04.93 0.3 undecidable manual Pg 337 52.4031 0.014 69
IV.PTQR.SHZ. 2009-04-06T13:42:04.09 1.0 undecidable manual Pg 176 41.8248 0.802 19
IV.VCEL.EHZ. 2009-04-06T13:42:03.44 0.3 undecidable manual Pg 90 39.0276 0.583 62
IV.FAGN.HHZ. 2009-04-06T13:42:03.97 0.6 undecidable manual Sg 129 23.2545 0.113 47
.CAMP.---. 2009-04-06T13:42:01.57 0.3 undecidable manual Sg 14 15.6732 0.082 73
IV.TERO.HHZ. 2009-04-06T13:42:01.26 0.1 undecidable manual Pg 38 31.746 -0.466 87
IV.FIAM.HHN. 2009-04-06T13:42:00.43 0.1 undecidable manual Pg 235 24.8529 -0.052 96
IV.FAGN.HHZ. 2009-04-06T13:42:00.78 0.3 undecidable manual Pg 129 23.2545 0.594 63
.CAMP.---. 2009-04-06T13:41:58.96 0.1 positive manual Pg 14 15.6732 0.141 96
MN.AQU.HHZ. 2009-04-06T13:41:58.59 0.3 undecidable manual Sg 147 5.7942 -0.357 70
MN.AQU.HHZ. 2009-04-06T13:41:57.35 0.1 undecidable manual Pg 147 5.7942 -0.002 100
IV.SCHR.EHN. 2009-04-06T13:41:43.11 10.0 undecidable manual Pg 0 0 0
IV.CING.HHE. 2009-04-06T13:41:42.34 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHZ. 2009-04-06T13:41:30.30 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-06T13:41:29.78 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHN. 2009-04-06T13:41:29.95 10.0 undecidable manual Sg 0 0 0
IV.ASSB.HHN. 2009-04-06T13:41:26.05 10.0 undecidable manual Sg 0 0 0
IV.FDMO.HHN. 2009-04-06T13:41:25.54 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHN. 2009-04-06T13:41:23.29 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHZ. 2009-04-06T13:41:22.42 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-04-06T13:41:22.63 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2009-04-06T13:41:17.69 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHN. 2009-04-06T13:40:41.79 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