Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-05-2009 and time 14:26:21 (Italy) in region 11 km S Crognaleto (TE)

A magnitude ML 2.0 earthquake occured in region: 11 km S Crognaleto (TE), on

  • 04-05-2009 12:26:21 (UTC)
  • 04-05-2009 14:26:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4500, 13.4470 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
Crognaleto TE 11 1297 1297
L'Aquila AQ 12 69753 71050
Pietracamela TE 12 271 71321
Pizzoli AQ 12 4326 75647
Barete AQ 14 737 76384
Fano Adriano TE 14 296 76680
Campotosto AQ 14 542 77222
Capitignano AQ 14 665 77887
Poggio Picenze AQ 16 1136 79023
Fossa AQ 18 721 79744
Scoppito AQ 18 3727 83471
Barisciano AQ 18 1828 85299
Cagnano Amiterno AQ 18 1369 86668
Ocre AQ 19 1167 87835
Montereale AQ 19 2581 90416
Isola del Gran Sasso d'Italia TE 19 4773 95189
Sant'Eusanio Forconese AQ 19 394 95583
Lucoli AQ 20 1011 96594
Tossicia TE 20 1406 98000
Cortino TE 20 656 98656

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NE of L'Aquila (69753 inhabitants)
32 Km SW of Teramo (54892 inhabitants)
58 Km W of Montesilvano (53738 inhabitants)
60 Km W of Chieti (51815 inhabitants)
63 Km W of Pescara (121014 inhabitants)
67 Km E of Terni (111501 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km SE of Foligno (57155 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 2.4
ML 2.0 		2009-05-04
12:26:21		 42.45 13.447 9 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 849659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-04 12:26:21 ± 0.08
Latitude 42.4500 ± 0.0045
Longitude 13.4470 ± 0.0073
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 849659

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 641
Semi-minor axis of confidence ellipse (meter) 179
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68259
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 849659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:07:15

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 849659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:07:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2009-05-04T12:26:49.36 10.0 undecidable manual Sg 0 0 0
IV.FDMO.HHE. 2009-05-04T12:26:43.41 0.6 undecidable manual Sg 336 71.2731 0.41 43
IV.INTR.HHZ. 2009-05-04T12:26:40.82 0.3 undecidable manual Sg 142 61.494 0.432 65
IV.POFI.HHZ. 2009-05-04T12:26:39.95 10.0 undecidable manual Pg 0 0 0
IV.PTQR.SHZ. 2009-05-04T12:26:37.07 1.0 undecidable manual Sg 185 47.7189 0.376 23
IV.NRCA.HHZ. 2009-05-04T12:26:37.24 0.1 undecidable manual Sg 328 50.4162 -0.187 93
IV.ASSB.HHZ. 2009-05-04T12:26:36.11 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHE. 2009-05-04T12:26:34.07 0.3 undecidable manual Sg 297 37.2294 0.153 72
IV.LPEL.HHZ. 2009-05-04T12:26:34.24 0.3 undecidable manual Pg 126 75.2691 -0.092 68
IV.CESI.HHZ. 2009-05-04T12:26:34.03 0.3 undecidable manual Pg 325 75.7686 -0.372 64
IV.FDMO.HHE. 2009-05-04T12:26:33.35 0.1 undecidable manual Pg 336 71.2731 -0.37 86
IV.FIAM.HHZ. 2009-05-04T12:26:33.61 0.3 undecidable manual Sg 233 33.744 0.635 64
IV.GUMA.HHZ. 2009-05-04T12:26:33.55 0.3 undecidable manual Pg 352 68.4759 0.257 67
IV.VVLD.HHE. 2009-05-04T12:26:32.99 0.6 undecidable manual Pg 167 66.0894 0.078 46
IV.INTR.HHZ. 2009-05-04T12:26:32.07 0.1 undecidable manual Pg 142 61.494 -0.144 92
IV.VCEL.EHZ. 2009-05-04T12:26:32.63 0.3 undecidable manual Sg 101 32.8449 -0.106 73
IV.OFFI.HHZ. 2009-05-04T12:26:32.41 0.1 undecidable manual Pg 20 57.1983 0.865 74
IV.MNS.HHZ. 2009-05-04T12:26:31.99 0.6 undecidable manual Pg 264 63.0924 -0.471 43
IV.NRCA.HHZ. 2009-05-04T12:26:30.14 0.1 undecidable manual Pg 328 50.4162 -0.363 90
IV.PTQR.SHZ. 2009-05-04T12:26:29.47 0.1 undecidable manual Pg 185 47.7189 -0.612 84
IV.TERO.HHZ. 2009-05-04T12:26:29.22 0.3 undecidable manual Sg 34 23.0547 -0.412 70
IV.FAGN.HHZ. 2009-05-04T12:26:29.40 0.3 undecidable manual Sg 151 23.3544 -0.337 71
IV.LNSS.HHE. 2009-05-04T12:26:28.27 0.3 undecidable manual Pg 297 37.2294 -0.208 71
IV.VCEL.EHZ. 2009-05-04T12:26:28.31 0.1 undecidable manual Pg 101 32.8449 0.513 90
IV.FIAM.HHZ. 2009-05-04T12:26:27.49 0.3 undecidable manual Pg 233 33.744 -0.445 68
IV.T0102.HLZ. 2009-05-04T12:26:26.30 0.3 undecidable manual Sg 0 0 0
MN.AQU.HHZ. 2009-05-04T12:26:26.22 0.3 undecidable manual Sg 199 11.2776 0.156 75
IV.FAGN.HHZ. 2009-05-04T12:26:25.98 0.1 undecidable manual Pg 151 23.3544 -0.083 100
IV.CAMP.HHZ. 2009-05-04T12:26:25.96 0.3 undecidable manual Sg 342 9.9789 0.258 74
IV.TERO.HHZ. 2009-05-04T12:26:25.88 0.1 undecidable manual Pg 34 23.0547 -0.124 99
IV.CAMP.HHZ. 2009-05-04T12:26:24.09 0.1 undecidable manual Pg 342 9.9789 0.354 97
MN.AQU.HHZ. 2009-05-04T12:26:24.14 0.1 undecidable manual Pg 199 11.2776 0.198 100
IV.T0102.HLZ. 2009-05-04T12:26:24.29 0.1 undecidable manual Pg 0 0 0
IV.RDP.BHN. 2009-05-04T12:25:56.08 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