Earthquake with magnitude of ML 2.0 on date 30-03-2009 and time 16:50:01 (Italy) in region 3 km SW L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 3 km SW L'Aquila (AQ), on

  • 30-03-2009 14:50:01 (UTC)
  • 30-03-2009 16:50:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3280, 13.3770 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 3 69753 69753
Lucoli AQ 5 1011 70764
Tornimparte AQ 7 3187 73951
Ocre AQ 9 1167 75118
Fossa AQ 10 721 75839
Scoppito AQ 11 3727 79566
Sant'Eusanio Forconese AQ 13 394 79960
Rocca di Cambio AQ 14 533 80493
Poggio Picenze AQ 14 1136 81629
Pizzoli AQ 14 4326 85955
Villa Sant'Angelo AQ 15 424 86379
San Demetrio ne' Vestini AQ 16 1854 88233
Barete AQ 16 737 88970
Barisciano AQ 18 1828 90798
Rocca di Mezzo AQ 18 1526 92324
Fagnano Alto AQ 18 418 92742
Borgorose RI 19 4591 97333
Cagnano Amiterno AQ 19 1369 98702
Prata d'Ansidonia AQ 20 496 99198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km SW of L'Aquila (69753 inhabitants)
46 Km SW of Teramo (54892 inhabitants)
63 Km NE of Tivoli (56533 inhabitants)
65 Km NE of Guidonia Montecelio (88673 inhabitants)
65 Km W of Chieti (51815 inhabitants)
65 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
71 Km W of Pescara (121014 inhabitants)
87 Km NE of Velletri (53303 inhabitants)
88 Km NE of Roma (2864731 inhabitants)
89 Km SE of Foligno (57155 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 1.9
ML 2.0
2009-03-30
14:50:01
42.328 13.377 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 752869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-03-30 14:50:01 ± 0.06
Latitude 42.3280 ± 0.0045
Longitude 13.3770 ± 0.0073
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 752869

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 618
Semi-minor axis of confidence ellipse (meter) 522
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.54049
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 752869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:14:08

Md:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 752869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:14:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2009-03-30T14:50:14.26 0.3 undecidable manual Sg 30 37.5291 0.357 68
IV.NRCA.HHN. 2009-03-30T14:50:12.14 0.1 undecidable manual Pg 339 59.9955 0.059 92
IV.PTQR.SHZ. 2009-03-30T14:50:12.59 0.3 undecidable manual Sg 177 34.0437 -0.382 69
IV.FIAM.HHE. 2009-03-30T14:50:09.66 0.1 undecidable manual Sg 253 22.3554 -0.184 97
IV.CAMP.HHN. 2009-03-30T14:50:09.82 0.1 undecidable manual Sg 6 23.1546 -0.237 93
IV.PTQR.SHZ. 2009-03-30T14:50:08.51 0.3 undecidable manual Pg 177 34.0437 0.427 65
IV.FAGN.HHZ. 2009-03-30T14:50:08.63 0.1 undecidable manual Sg 112 18.3705 -0.147 98
IV.TERO.HHZ. 2009-03-30T14:50:08.77 0.1 undecidable manual Pg 30 37.5291 0.145 94
IV.VCEL.EHE. 2009-03-30T14:50:08.86 0.3 undecidable manual Pg 79 38.7279 0.059 71
IV.FIAM.HHE. 2009-03-30T14:50:06.30 0.1 undecidable manual Pg 253 22.3554 0.021 98
IV.CAMP.HHN. 2009-03-30T14:50:06.43 0.1 undecidable manual Pg 6 23.1546 0.027 99
IV.VVLD.HHE. 2009-03-30T14:50:06.20 0.3 undecidable manual Pg 0 54.8007 -5.08 0
MN.AQU.HHZ. 2009-03-30T14:50:05.36 0.1 undecidable manual Sg 36 3.4965 -0.063 100
IV.FAGN.HHZ. 2009-03-30T14:50:05.59 0.1 undecidable manual Pg 112 18.3705 -0.073 99
MN.AQU.HHZ. 2009-03-30T14:50:03.88 0.1 undecidable manual Pg 36 3.4965 0.152 100
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
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