Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 09-04-2009 and time 01:14:32 (Italy) in region 6 km E Capitignano (AQ)

A magnitude ML 2.1 earthquake occured in region: 6 km E Capitignano (AQ), on

  • 08-04-2009 23:14:32 (UTC)
  • 09-04-2009 01:14:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5030, 13.3680 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Capitignano AQ 6 665 665
Campotosto AQ 6 542 1207
Barete AQ 9 737 1944
Pizzoli AQ 9 4326 6270
Montereale AQ 10 2581 8851
Crognaleto TE 11 1297 10148
Cagnano Amiterno AQ 13 1369 11517
Fano Adriano TE 15 296 11813
Pietracamela TE 16 271 12084
Amatrice RI 16 2657 14741
L'Aquila AQ 17 69753 84494
Scoppito AQ 17 3727 88221
Cortino TE 18 656 88877
Borbona RI 19 617 89494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of L'Aquila (69753 inhabitants)
33 Km SW of Teramo (54892 inhabitants)
59 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
68 Km W of Chieti (51815 inhabitants)
70 Km W of Pescara (121014 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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 		ML 2.1 2009-04-08
23:14:32		 42.503 13.368 11 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 776509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-08 23:14:32 ± 0.07
Latitude 42.5030 ± 0.0036
Longitude 13.3680 ± 0.0061
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 776509

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 522
Semi-minor axis of confidence ellipse (meter) 445
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
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) 63
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75003
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 13
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 776509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:41:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIDA.HHE. 2009-04-08T23:15:10.06 10.0 undecidable manual Sg 0 0 0
IV.VAGA.HHN. 2009-04-08T23:15:09.05 10.0 undecidable manual Sg 0 0 0
IV.PTRJ.HHE. 2009-04-08T23:15:09.25 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHZ. 2009-04-08T23:15:08.10 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHE. 2009-04-08T23:15:07.19 10.0 undecidable manual Sg 0 0 0
IV.RFI.SHZ. 2009-04-08T23:15:06.00 10.0 undecidable manual Pg 0 0 0
IV.SGG.HHZ. 2009-04-08T23:15:05.75 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHN. 2009-04-08T23:15:03.94 10.0 undecidable manual Sg 0 0 0
IV.VAGA.HHN. 2009-04-08T23:15:03.93 10.0 undecidable manual Pg 0 0 0
IV.ORI.EHE. 2009-04-08T23:15:02.83 10.0 undecidable manual Pg 0 0 0
IV.CAFR.HHE. 2009-04-08T23:15:02.17 10.0 undecidable manual Pg 0 0 0
IV.CING.HHE. 2009-04-08T23:15:02.98 10.0 undecidable manual Pg 0 0 0
IV.LAV9.SHZ. 2009-04-08T23:14:58.88 10.0 undecidable manual Pg 0 0 0
IV.RDP.BHZ. 2009-04-08T23:14:58.18 10.0 undecidable manual Pg 0 0 0
IV.RNI2.HHE. 2009-04-08T23:14:57.25 10.0 undecidable manual Pg 0 0 0
IV.CERA.HHZ. 2009-04-08T23:14:57.25 10.0 undecidable manual Pg 0 0 0
IV.MIDA.HHE. 2009-04-08T23:14:56.38 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHE. 2009-04-08T23:14:55.54 10.0 undecidable manual Pg 0 0 0
IV.SNTG.SHZ. 2009-04-08T23:14:53.02 10.0 undecidable manual Pg 0 0 0
IV.MTCE.HHE. 2009-04-08T23:14:53.65 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-08T23:14:52.24 10.0 undecidable manual Pg 0 0 0
IV.POFI.HHN. 2009-04-08T23:14:52.65 10.0 undecidable manual Pg 0 0 0
IV.CESX.HHE. 2009-04-08T23:14:50.43 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHZ. 2009-04-08T23:14:50.02 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHZ. 2009-04-08T23:14:50.50 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2009-04-08T23:14:49.76 0.6 undecidable manual Sg 257 57.6978 -0.246 44
IV.INTR.HHZ. 2009-04-08T23:14:48.75 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHZ. 2009-04-08T23:14:48.95 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHN. 2009-04-08T23:14:46.58 0.3 undecidable manual Pg 316 83.25 0.199 65
IV.NRCA.HHZ. 2009-04-08T23:14:45.82 0.1 undecidable manual Sg 331 42.1245 -0.025 93
IV.PTQR.SHZ. 2009-04-08T23:14:45.25 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHN. 2009-04-08T23:14:43.88 0.1 undecidable manual Pg 326 67.2771 -0.044 90
IV.PRMA.HHN. 2009-04-08T23:14:43.95 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHZ. 2009-04-08T23:14:43.23 0.1 undecidable manual Pg 339 63.492 -0.112 89
IV.MNS.HHZ. 2009-04-08T23:14:42.25 0.1 undecidable manual Pg 257 57.6978 -0.201 90
IV.LNSS.HHZ. 2009-04-08T23:14:42.39 0.3 undecidable manual Sg 293 29.0487 0.054 73
IV.OFFI.HHN. 2009-04-08T23:14:42.95 0.3 undecidable manual Pg 28 54.501 0.999 53
IV.FAGN.HHZ. 2009-04-08T23:14:41.09 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2009-04-08T23:14:40.45 0.1 undecidable manual Sg 55 23.4543 -0.396 90
IV.NRCA.HHZ. 2009-04-08T23:14:40.00 0.1 negative manual Pg 331 42.1245 -0.05 94
MN.AQU.HHN. 2009-04-08T23:14:39.01 0.3 undecidable manual Sg 170 16.7721 -0.054 75
IV.VCEL.EHZ. 2009-04-08T23:14:39.98 0.3 undecidable manual Pg 107 40.5261 0.182 69
IV.LNSS.HHZ. 2009-04-08T23:14:38.03 0.1 positive manual Pg 293 29.0487 0.007 98
IV.T0104.EHZ. 2009-04-08T23:14:38.62 0.3 undecidable manual Sg 189 16.0728 -0.255 73
IV.FIAM.HHE. 2009-04-08T23:14:38.72 0.3 undecidable manual Pg 218 33.1446 0.052 72
IV.TERO.HHZ. 2009-04-08T23:14:37.06 0.1 positive manual Pg 55 23.4543 -0.103 97
MN.AQU.HHN. 2009-04-08T23:14:36.20 0.1 undecidable manual Pg 170 16.7721 0.07 98
IV.T0104.EHZ. 2009-04-08T23:14:36.30 0.1 undecidable manual Pg 189 16.0728 0.273 94
IV.CAMP.HHN. 2009-04-08T23:14:36.12 0.1 undecidable manual Sg 42 4.995 -0.221 97
IV.CAMP.HHN. 2009-04-08T23:14:34.72 0.1 positive manual Pg 42 4.995 0.158 100
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