Earthquake with magnitude of Md 1.3 on date 19-05-2009 and time 07:20:02 (Italy) in region 6 km NW L'Aquila (AQ)

A magnitude Md 1.3 earthquake occured in region: 6 km NW L'Aquila (AQ), on

  • 19-05-2009 05:20:02 (UTC)
  • 19-05-2009 07:20:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3980, 13.3610 at 8 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 16 721 85496
Ocre AQ 16 1167 86663
Montereale AQ 17 2581 89244
Poggio Picenze AQ 17 1136 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)
41 Km SW of Teramo (54892 inhabitants)
61 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
67 Km W of Chieti (51815 inhabitants)
67 Km NE of Tivoli (56533 inhabitants)
68 Km NE of Guidonia Montecelio (88673 inhabitants)
71 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
Md 1.3 2009-05-19
05:20:02
42.398 13.361 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 871639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-19 05:20:02 ± 0.18
Latitude 42.3980 ± 0.0036
Longitude 13.3610 ± 0.0085
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 871639

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 545
Semi-minor axis of confidence ellipse (meter) 408
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 806.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21044
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 4
Magnitude information

Md:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 871639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:33:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTS.SHZ. 2009-05-19T05:20:41.47 10.0 undecidable manual Pg 0 0 0
SI.ROSI.BHE. 2009-05-19T05:20:22.90 10.0 undecidable manual Sg 0 0 0
SI.ROSI.BHE. 2009-05-19T05:20:15.35 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHN. 2009-05-19T05:20:10.71 0.1 undecidable manual Sg 129 23.3544 0.06 96
IV.CAMP.HHN. 2009-05-19T05:20:08.32 0.1 undecidable manual Sg 14 15.7731 0.122 96
SI.RISI.BHE. 2009-05-19T05:20:08.60 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHN. 2009-05-19T05:20:07.06 0.3 undecidable manual Pg 129 23.3544 0.021 72
IV.CAMP.HHN. 2009-05-19T05:20:05.38 0.3 undecidable manual Pg 14 15.7731 -0.244 70
MN.AQU.HHZ. 2009-05-19T05:20:05.38 0.1 undecidable manual Sg 146 5.8941 -0.083 98
IV.T0104.EHE. 2009-05-19T05:20:05.22 0.1 undecidable manual Sg 204 4.5954 0.008 100
IV.T0104.EHE. 2009-05-19T05:20:04.01 0.1 undecidable manual Pg 204 4.5954 0.109 98
MN.AQU.HHZ. 2009-05-19T05:20:03.99 0.1 undecidable manual Pg 146 5.8941 -0.055 99
IV.STR3.BHE. 2009-05-19T05:19:36.56 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