Earthquake with magnitude of Md 1.3 on date 05-05-2009 and time 11:32:48 (Italy) in region 4 km NW L'Aquila (AQ)

A magnitude Md 1.3 earthquake occured in region: 4 km NW L'Aquila (AQ), on

  • 05-05-2009 09:32:48 (UTC)
  • 05-05-2009 11:32:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3780, 13.3670 at 11 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
Pizzoli AQ 9 4326 74079
Scoppito AQ 9 3727 77806
Lucoli AQ 10 1011 78817
Barete AQ 11 737 79554
Tornimparte AQ 11 3187 82741
Ocre AQ 14 1167 83908
Fossa AQ 14 721 84629
Cagnano Amiterno AQ 15 1369 85998
Poggio Picenze AQ 16 1136 87134
Sant'Eusanio Forconese AQ 16 394 87528
Capitignano AQ 17 665 88193
Villa Sant'Angelo AQ 18 424 88617
Rocca di Cambio AQ 19 533 89150
San Demetrio ne' Vestini AQ 19 1854 91004
Montereale AQ 19 2581 93585
Barisciano AQ 19 1828 95413
Campotosto AQ 20 542 95955

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km NW of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
62 Km E of Terni (111501 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
66 Km W of Chieti (51815 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
67 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km W of Pescara (121014 inhabitants)
84 Km SE of Foligno (57155 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
91 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 2009-05-05
09:32:48
42.378 13.367 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 851209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-05 09:32:48 ± 0.16
Latitude 42.3780 ± 0.0054
Longitude 13.3670 ± 0.0146
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 851209

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1188
Semi-minor axis of confidence ellipse (meter) 728
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 1341.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16098
Number of stations at which the event was observed 5
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 851209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:09:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAMP.HHZ. 2009-05-05T09:32:55.15 0.1 undecidable manual Sg 11 17.871 -0.075 97
IV.T0104.EHZ. 2009-05-05T09:32:52.15 0.1 undecidable manual Sg 230 3.0969 0.131 99
IV.CAMP.HHZ. 2009-05-05T09:32:52.25 0.1 undecidable manual Pg 11 17.871 0.076 98
MN.AQU.HHZ. 2009-05-05T09:32:52.04 0.1 undecidable manual Sg 133 3.8961 -0.059 100
IV.T0106.HLZ. 2009-05-05T09:32:52.68 0.1 undecidable manual Sg 170 7.9809 -0.081 99
IV.T0104.EHZ. 2009-05-05T09:32:50.15 0.1 undecidable manual Pg 230 3.0969 -0.175 98
MN.AQU.HHZ. 2009-05-05T09:32:50.49 0.1 undecidable manual Pg 133 3.8961 0.119 99
IV.T0106.HLZ. 2009-05-05T09:32:50.79 0.1 undecidable manual Pg 170 7.9809 0.037 100
IV.FSSB.HHE. 2009-05-05T09:32:43.25 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download