Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 09-04-2009 and time 11:28:32 (Italy) in region 9 km E Pizzoli (AQ)

A magnitude ML 2.0 earthquake occured in region: 9 km E Pizzoli (AQ), on

  • 09-04-2009 09:28:32 (UTC)
  • 09-04-2009 11:28:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4640, 13.3970 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pizzoli AQ 9 4326 4326
Barete AQ 10 737 5063
Capitignano AQ 10 665 5728
Campotosto AQ 11 542 6270
Crognaleto TE 12 1297 7567
L'Aquila AQ 12 69753 77320
Cagnano Amiterno AQ 14 1369 78689
Montereale AQ 14 2581 81270
Pietracamela TE 15 271 81541
Fano Adriano TE 15 296 81837
Scoppito AQ 15 3727 85564
Lucoli AQ 20 1011 86575
Poggio Picenze AQ 20 1136 87711
Cortino TE 20 656 88367

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of L'Aquila (69753 inhabitants)
33 Km SW of Teramo (54892 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
62 Km E of Terni (111501 inhabitants)
65 Km W of Chieti (51815 inhabitants)
67 Km W of Pescara (121014 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km SE of Foligno (57155 inhabitants)
98 Km NE of Roma (2864731 inhabitants)
100 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 2.0
ML 2.0 		2009-04-09
09:28:32		 42.464 13.397 9 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 779459
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-09 09:28:32 ± 0.09
Latitude 42.4640 ± 0.0054
Longitude 13.3970 ± 0.0085
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 779459

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 685
Semi-minor axis of confidence ellipse (meter) 501
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 109
Circular confidence region, given by single value of horizontal uncertainty (meter) 922.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42358
Number of stations at which the event was observed 14
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 779459
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:45:12

Md:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 779459
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:45:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.ACOM.HHE. 2009-04-09T09:29:31.37 10.0 undecidable manual Pg 0 0 0
IV.BLLA.EHZ. 2009-04-09T09:28:53.29 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHE. 2009-04-09T09:28:47.98 0.1 undecidable manual Sg 331 47.0196 0.085 93
IV.VCEL.EHE. 2009-04-09T09:28:45.87 0.1 undecidable manual Sg 102 37.1295 0.6 83
IV.LNSS.HHZ. 2009-04-09T09:28:44.23 0.3 undecidable manual Sg 298 32.9448 0.087 71
IV.NRCA.HHE. 2009-04-09T09:28:41.23 0.1 undecidable manual Pg 331 47.0196 -0.158 91
IV.TERO.HHZ. 2009-04-09T09:28:40.87 0.1 undecidable manual Sg 44 24.4533 -0.692 82
IV.VCEL.EHE. 2009-04-09T09:28:39.96 0.1 undecidable manual Pg 102 37.1295 0.087 94
IV.LNSS.HHZ. 2009-04-09T09:28:39.17 0.1 undecidable manual Pg 298 32.9448 -0.05 96
IV.FIAM.HHZ. 2009-04-09T09:28:38.51 0.1 undecidable manual Pg 227 31.6461 -0.507 87
IV.FAGN.HHE. 2009-04-09T09:28:38.01 0.1 undecidable manual Pg 145 26.8509 -0.18 94
IV.CAMP.HHZ. 2009-04-09T09:28:37.16 0.1 undecidable manual Sg 7 7.9809 0.407 93
IV.TERO.HHZ. 2009-04-09T09:28:37.39 0.1 positive manual Pg 44 24.4533 -0.342 92
MN.AQU.HHZ. 2009-04-09T09:28:37.74 0.1 undecidable manual Sg 178 12.2766 -0.102 98
IV.T0104.EHN. 2009-04-09T09:28:37.95 0.1 undecidable manual Sg 202 12.5763 0.032 100
IV.T0104.EHN. 2009-04-09T09:28:35.82 0.1 undecidable manual Pg 202 12.5763 0.193 96
IV.CAMP.HHZ. 2009-04-09T09:28:35.42 0.1 positive manual Pg 7 7.9809 0.466 92
MN.AQU.HHZ. 2009-04-09T09:28:35.60 0.1 undecidable manual Pg 178 12.2766 0.018 100
IV.MNO.SHE. 2009-04-09T09:28:31.86 10.0 undecidable manual Pg 0 0 0
IV.ESLN.BHZ. 2009-04-09T09:28:18.18 10.0 undecidable manual Pg 0 0 0
MN.VSL.HHE. 2009-04-09T09:28:10.97 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
Waveforms Seismic signals in miniseed + resp format Download