Earthquake with magnitude of ML 1.3 on date 30-04-2009 and time 13:42:19 (UTC) in region 5 km NW L'Aquila (AQ)

A magnitude ML 1.3 earthquake occured in region: 5 km NW L'Aquila (AQ), on

  • 30-04-2009 13:42:19 (UTC)
  • 30-04-2009 15:42:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3780, 13.3500 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 5 69753 69753
Scoppito AQ 8 3727 73480
Pizzoli AQ 8 4326 77806
Lucoli AQ 10 1011 78817
Barete AQ 10 737 79554
Tornimparte AQ 10 3187 82741
Cagnano Amiterno AQ 14 1369 84110
Ocre AQ 15 1167 85277
Fossa AQ 15 721 85998
Capitignano AQ 16 665 86663
Poggio Picenze AQ 17 1136 87799
Sant'Eusanio Forconese AQ 17 394 88193
Montereale AQ 18 2581 90774
Rocca di Cambio AQ 19 533 91307
Villa Sant'Angelo AQ 20 424 91731
San Demetrio ne' Vestini AQ 20 1854 93585

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km NW of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
61 Km E of Terni (111501 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
67 Km W of Chieti (51815 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
72 Km W of Pescara (121014 inhabitants)
83 Km SE of Foligno (57155 inhabitants)
89 Km NE of Roma (2864731 inhabitants)
90 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 1.8
ML 1.3
2009-04-30
13:42:19
42.378 13.35 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 843089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-30 13:42:19 ± 0.1
Latitude 42.3780 ± 0.0081
Longitude 13.3500 ± 0.0110
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 843089

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1031
Semi-minor axis of confidence ellipse (meter) 610
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 137
Circular confidence region, given by single value of horizontal uncertainty (meter) 1272.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48743
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 843089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:59:31

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 843089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:59:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHE. 2009-04-30T13:42:36.81 0.1 undecidable manual Sg 339 54.1014 0.247 89
IV.ALJA.HHE. 2009-04-30T13:42:33.47 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHN. 2009-04-30T13:42:30.85 0.1 undecidable manual Sg 37 34.1436 -0.401 90
IV.NRCA.HHE. 2009-04-30T13:42:29.55 0.1 undecidable manual Pg 339 54.1014 0.125 91
IV.FIAM.HHN. 2009-04-30T13:42:27.97 0.3 undecidable manual Sg 237 22.6551 -0.217 72
IV.VCEL.EHE. 2009-04-30T13:42:27.77 0.1 undecidable manual Pg 87 40.2264 0.475 88
IV.TERO.HHN. 2009-04-30T13:42:26.15 0.1 undecidable manual Pg 37 34.1436 -0.211 94
IV.CAMP.HHZ. 2009-04-30T13:42:26.84 0.3 undecidable manual Sg 15 18.1707 -0.134 74
IV.LNSS.HHN. 2009-04-30T13:42:26.43 0.1 undecidable manual Pg 315 35.5422 -0.142 96
IV.FIAM.HHN. 2009-04-30T13:42:24.53 0.1 undecidable manual Pg 237 22.6551 -0.058 99
IV.CAMP.HHZ. 2009-04-30T13:42:23.95 0.1 undecidable manual Pg 15 18.1707 0.06 99
MN.AQU.HHE. 2009-04-30T13:42:23.77 0.1 undecidable manual Sg 122 4.995 -0.162 100
MN.AQU.HHE. 2009-04-30T13:42:22.30 0.1 undecidable manual Pg 122 4.995 0.168 99
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