Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 08-04-2009 and time 23:55:09 (Italy) in region 10 km E Pizzoli (AQ)

A magnitude ML 2.3 earthquake occured in region: 10 km E Pizzoli (AQ), on

  • 08-04-2009 21:55:09 (UTC)
  • 08-04-2009 23:55:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4640, 13.4170 at 10 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 10 4326 4326
Crognaleto TE 11 1297 5623
Barete AQ 11 737 6360
Campotosto AQ 11 542 6902
Capitignano AQ 11 665 7567
L'Aquila AQ 13 69753 77320
Pietracamela TE 13 271 77591
Fano Adriano TE 14 296 77887
Montereale AQ 16 2581 80468
Cagnano Amiterno AQ 16 1369 81837
Scoppito AQ 17 3727 85564
Poggio Picenze AQ 19 1136 86700
Cortino TE 19 656 87356
Fossa AQ 20 721 88077

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km N of L'Aquila (69753 inhabitants)
32 Km SW of Teramo (54892 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
63 Km W of Chieti (51815 inhabitants)
64 Km E of Terni (111501 inhabitants)
65 Km W of Pescara (121014 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km SE of Foligno (57155 inhabitants)
100 Km NE of Roma (2864731 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 2.5
ML 2.3 		2009-04-08
21:55:09		 42.464 13.417 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 776169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 21:55:09 ± 0.08
Latitude 42.4640 ± 0.0045
Longitude 13.4170 ± 0.0085
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 776169

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 662
Semi-minor axis of confidence ellipse (meter) 348
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80220
Number of stations at which the event was observed 51
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 776169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:18

Md:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 776169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHN. 2009-04-08T21:55:54.99 10.0 undecidable manual Sn 0 0 0
IV.SFI.EHN. 2009-04-08T21:55:50.36 10.0 undecidable manual Pn 0 0 0
IV.LATE.HHN. 2009-04-08T21:55:50.27 10.0 undecidable manual Sg 0 0 0
IV.AOI.HHZ. 2009-04-08T21:55:48.58 10.0 undecidable manual Sg 0 0 0
IV.FSSB.SHZ. 2009-04-08T21:55:47.06 10.0 undecidable manual Sg 0 0 0
IV.CAFI.HHN. 2009-04-08T21:55:47.49 10.0 undecidable manual Pn 0 0 0
IV.RNI2.HHE. 2009-04-08T21:55:42.59 10.0 undecidable manual Pn 0 0 0
IV.GIUL.HHN. 2009-04-08T21:55:42.61 10.0 undecidable manual Sg 0 0 0
IV.MA9.HHE. 2009-04-08T21:55:41.86 10.0 undecidable manual Pn 0 0 0
IV.PARC.HHN. 2009-04-08T21:55:40.36 10.0 undecidable manual Pn 0 0 0
IV.PTRJ.HHE. 2009-04-08T21:55:38.93 10.0 undecidable manual Pn 0 0 0
IV.SGG.HHZ. 2009-04-08T21:55:38.20 10.0 undecidable manual Pg 0 0 0
IV.VAGA.HHN. 2009-04-08T21:55:37.97 10.0 undecidable manual Pg 0 0 0
IV.LATE.HHN. 2009-04-08T21:55:35.38 10.0 undecidable manual Pg 0 0 0
IV.FSSB.SHZ. 2009-04-08T21:55:35.86 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2009-04-08T21:55:35.06 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHE. 2009-04-08T21:55:35.95 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHN. 2009-04-08T21:55:33.93 10.0 undecidable manual Pg 0 0 0
IV.AOI.HHZ. 2009-04-08T21:55:32.79 10.0 undecidable manual Pg 0 0 0
IV.TOLF.HHZ. 2009-04-08T21:55:32.72 10.0 undecidable manual Sg 0 0 0
IV.MGAB.HHZ. 2009-04-08T21:55:31.64 10.0 undecidable manual Pg 0 0 0
IV.CING.HHE. 2009-04-08T21:55:31.98 10.0 undecidable manual Sg 0 0 0
IV.ARVD.HHZ. 2009-04-08T21:55:31.02 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHZ. 2009-04-08T21:55:31.89 10.0 undecidable manual Pg 0 0 0
IV.LAV9.SHZ. 2009-04-08T21:55:30.45 10.0 undecidable manual Pg 0 0 0
IV.TRTR.HHE. 2009-04-08T21:55:30.20 10.0 undecidable manual Pg 0 0 0
IV.TOLF.HHZ. 2009-04-08T21:55:28.70 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHN. 2009-04-08T21:55:28.29 10.0 undecidable manual Pg 0 0 0
IV.CING.HHE. 2009-04-08T21:55:27.60 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHN. 2009-04-08T21:55:27.78 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-08T21:55:26.23 10.0 undecidable manual Pg 0 0 0
IV.RDP.BHZ. 2009-04-08T21:55:26.89 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-08T21:55:26.34 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-04-08T21:55:24.45 0.1 undecidable manual Sg 329 47.8188 -0.267 90
IV.ASSB.HHN. 2009-04-08T21:55:24.65 0.3 undecidable manual Pg 316 89.0442 0.095 65
IV.GUAR.HHZ. 2009-04-08T21:55:23.42 0.3 undecidable manual Pg 187 74.7696 1.064 48
IV.CESI.HHZ. 2009-04-08T21:55:22.17 0.3 undecidable manual Pg 325 73.0713 0.081 67
IV.CESX.HHE. 2009-04-08T21:55:22.59 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHE. 2009-04-08T21:55:22.47 0.3 undecidable manual Sg 102 35.5422 1.018 53
IV.MTCE.HHZ. 2009-04-08T21:55:22.59 0.1 undecidable manual Pg 229 73.8705 0.37 84
IV.LNSS.HHN. 2009-04-08T21:55:21.11 0.3 undecidable manual Sg 297 34.3434 -0.024 73
IV.CERT.HHZ. 2009-04-08T21:55:21.39 0.1 undecidable manual Pg 212 67.377 0.172 88
IV.VVLD.HHE. 2009-04-08T21:55:21.65 0.6 undecidable manual Pg 165 68.0763 0.32 43
IV.FDMO.HHZ. 2009-04-08T21:55:21.40 0.3 undecidable manual Pg 337 68.8755 -0.055 68
IV.OFFI.HHZ. 2009-04-08T21:55:20.82 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2009-04-08T21:55:20.11 0.1 undecidable manual Pg 262 60.8946 -0.101 91
IV.NRCA.SHZ. 2009-04-08T21:55:18.12 0.1 undecidable manual Pg 329 47.8188 -0.085 93
IV.TERO.HHN. 2009-04-08T21:55:17.58 0.3 undecidable manual Sg 41 23.3544 -0.549 66
IV.PTQR.SHZ. 2009-04-08T21:55:17.71 0.3 undecidable manual Pg 182 49.1175 -0.685 59
IV.FAGN.HHZ. 2009-04-08T21:55:17.84 0.3 undecidable manual Sg 148 25.9518 -1.035 53
IV.LNSS.HHN. 2009-04-08T21:55:16.12 0.1 undecidable manual Pg 297 34.3434 -0.014 97
IV.T0101.HLE. 2009-04-08T21:55:16.32 0.3 undecidable manual Sg 212 17.4714 -0.001 75
IV.VCEL.EHE. 2009-04-08T21:55:16.33 0.3 undecidable manual Pg 102 35.5422 0.014 73
IV.FIAM.HHE. 2009-04-08T21:55:15.59 0.1 undecidable manual Pg 229 32.8449 -0.293 92
IV.T0102.HLE. 2009-04-08T21:55:14.43 0.1 undecidable manual Sg 0 0 0
MN.AQU.HHZ. 2009-04-08T21:55:14.59 0.1 undecidable manual Sg 186 12.2766 -0.241 96
IV.TERO.HHN. 2009-04-08T21:55:14.19 0.1 undecidable manual Pg 41 23.3544 -0.207 95
IV.T0104.EHN. 2009-04-08T21:55:14.99 0.1 undecidable manual Sg 209 13.2756 -0.096 99
IV.FAGN.HHZ. 2009-04-08T21:55:14.91 0.3 undecidable manual Pg 148 25.9518 0.077 73
IV.CAMP.HHZ. 2009-04-08T21:55:14.01 0.1 undecidable manual Sg 356 7.9809 0.229 97
IV.T0101.HLE. 2009-04-08T21:55:13.38 0.1 undecidable manual Pg 212 17.4714 0.03 100
IV.CAMP.HHZ. 2009-04-08T21:55:12.21 0.1 undecidable manual Pg 356 7.9809 0.326 95
IV.T0102.HLE. 2009-04-08T21:55:12.38 0.1 undecidable manual Pg 0 0 0
MN.AQU.HHZ. 2009-04-08T21:55:12.55 0.1 undecidable manual Pg 186 12.2766 0.053 100
IV.T0104.EHN. 2009-04-08T21:55:12.72 0.1 undecidable manual Pg 209 13.2756 0.078 99
IV.ESLN.BHE. 2009-04-08T21:54:59.04 10.0 undecidable manual Pg 0 0 0
IV.INTR.HHE. 2009-04-08T21:54:59.04 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHZ. 2009-04-08T21:54:38.91 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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