Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 06-04-2009 and time 20:58:07 (Italy) in region 4 km SE Pizzoli (AQ)

A magnitude ML 2.0 earthquake occured in region: 4 km SE Pizzoli (AQ), on

  • 06-04-2009 18:58:07 (UTC)
  • 06-04-2009 20:58:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4090, 13.3160 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.

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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 4 4326 4326
Barete AQ 6 737 5063
Scoppito AQ 6 3727 8790
L'Aquila AQ 9 69753 78543
Cagnano Amiterno AQ 9 1369 79912
Capitignano AQ 13 665 80577
Lucoli AQ 13 1011 81588
Tornimparte AQ 13 3187 84775
Montereale AQ 14 2581 87356
Campotosto AQ 17 542 87898
Borbona RI 19 617 88515
Ocre AQ 19 1167 89682
Fossa AQ 19 721 90403
Antrodoco RI 19 2588 92991

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NW of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
65 Km NE of Tivoli (56533 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
70 Km W of Chieti (51815 inhabitants)
74 Km W of Pescara (121014 inhabitants)
79 Km SE of Foligno (57155 inhabitants)
89 Km NE of Roma (2864731 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
99 Km E of Viterbo (67173 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 		ML 2.0 2009-04-06
18:58:07		 42.409 13.316 11 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 762109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 18:58:07 ± 0.08
Latitude 42.4090 ± 0.0036
Longitude 13.3160 ± 0.0061
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 762109

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 418
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.79680
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 762109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:24:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.SHZ. 2009-04-06T18:58:33.31 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-06T18:58:23.18 0.1 undecidable manual Sg 341 49.9167 0.064 93
IV.MNS.HHN. 2009-04-06T18:58:23.89 0.1 undecidable manual Sg 267 52.1034 0.199 90
IV.ASSB.HHE. 2009-04-06T18:58:22.50 0.1 undecidable manual Pg 323 88.4448 0.153 85
IV.PTQR.SHZ. 2009-04-06T18:58:21.02 0.1 undecidable manual Sg 171 43.4232 -0.353 88
IV.OFFI.HHN. 2009-04-06T18:58:20.11 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHE. 2009-04-06T18:58:19.02 0.1 undecidable manual Pg 132 65.3901 0.228 87
IV.TERO.HHZ. 2009-04-06T18:58:18.16 0.1 undecidable manual Sg 45 33.4443 -0.55 86
IV.FAGN.HHN. 2009-04-06T18:58:17.16 0.1 undecidable manual Sg 126 27.0507 0.154 95
.CERT.---. 2009-04-06T18:58:17.41 0.1 undecidable manual Pg 208 57.8976 -0.238 88
IV.NRCA.SHZ. 2009-04-06T18:58:16.47 0.1 undecidable manual Pg 341 49.9167 0.052 93
IV.MNS.HHN. 2009-04-06T18:58:16.69 0.1 undecidable manual Pg 267 52.1034 -0.062 93
IV.VCEL.EHZ. 2009-04-06T18:58:16.08 0.1 undecidable manual Pg 92 42.9237 0.738 78
IV.FIAM.HHZ. 2009-04-06T18:58:15.67 0.1 undecidable manual Sg 226 22.5552 -0.136 96
IV.PTQR.SHZ. 2009-04-06T18:58:15.19 0.6 undecidable manual Pg 171 43.4232 -0.225 45
IV.FAGN.HHN. 2009-04-06T18:58:13.15 0.1 undecidable manual Pg 126 27.0507 0.261 93
.CAMP.---. 2009-04-06T18:58:13.82 0.3 undecidable manual Sg 28 16.0728 -0.153 73
IV.TERO.HHZ. 2009-04-06T18:58:13.60 0.1 undecidable manual Pg 45 33.4443 -0.269 92
IV.FIAM.HHZ. 2009-04-06T18:58:12.20 0.1 undecidable manual Pg 226 22.5552 0.005 99
MN.AQU.HHZ. 2009-04-06T18:58:12.03 0.3 undecidable manual Sg 131 9.2796 -0.176 73
.CAMP.---. 2009-04-06T18:58:11.23 0.1 positive manual Pg 28 16.0728 0.088 98
MN.AQU.HHZ. 2009-04-06T18:58:10.17 0.1 undecidable manual Pg 131 9.2796 0.053 100
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