Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.0 on date 29-04-2004 and time 07:42:00 (UTC) in region 6 km N Santo Stefano di Sessanio (AQ)

A magnitude Md 2.0 earthquake occured in region: 6 km N Santo Stefano di Sessanio (AQ), on

  • 29-04-2004 07:42:00 (UTC)
  • 29-04-2004 09:42:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3930, 13.6380 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
Santo Stefano di Sessanio AQ 6 111 111
Castel del Monte AQ 8 413 524
Barisciano AQ 8 1828 2352
Calascio AQ 9 137 2489
Castelvecchio Calvisio AQ 10 153 2642
Carapelle Calvisio AQ 11 87 2729
Poggio Picenze AQ 11 1136 3865
San Pio delle Camere AQ 12 661 4526
Ofena AQ 12 506 5032
Castelli TE 12 1159 6191
Isola del Gran Sasso d'Italia TE 13 4773 10964
Prata d'Ansidonia AQ 13 496 11460
San Demetrio ne' Vestini AQ 13 1854 13314
Villa Santa Lucia degli Abruzzi AQ 13 123 13437
Sant'Eusanio Forconese AQ 15 394 13831
Caporciano AQ 16 230 14061
Villa Sant'Angelo AQ 16 424 14485
Pietracamela TE 16 271 14756
Farindola PE 16 1518 16274
Fagnano Alto AQ 16 418 16692
Fossa AQ 17 721 17413
Colledara TE 17 2179 19592
Tossicia TE 17 1406 20998
Arsita TE 17 829 21827
Capestrano AQ 18 884 22711
Castel Castagna TE 18 500 23211
Fontecchio AQ 18 369 23580
Ocre AQ 18 1167 24747
Villa Celiera PE 18 681 25428
Navelli AQ 19 554 25982
Montebello di Bertona PE 19 991 26973
Carpineto della Nora PE 19 662 27635
Fano Adriano TE 20 296 27931

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of L'Aquila (69753 inhabitants)
30 Km S of Teramo (54892 inhabitants)
44 Km W of Chieti (51815 inhabitants)
44 Km W of Montesilvano (53738 inhabitants)
48 Km W of Pescara (121014 inhabitants)
83 Km E of Terni (111501 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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 2.0
ML-VAX 1.6 		2004-04-29
07:42:00		 42.393 13.638 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 497229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2004-04-29 07:42:00 ± 0.212
Latitude 42.3930 ± 0.0115
Longitude 13.6380 ± 0.0206
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 497229

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 2121.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00899
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 497229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:55:02

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 497229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SNTG.Z. 2004-04-29T07:42:33.44 10.0 undecidable manual SG 329 0.999 -0.88 0.1
--.MNS.Z. 2004-04-29T07:42:25.18 10.0 undecidable manual SG 269 0.6993 0.33 0.4
--.SNTG.Z. 2004-04-29T07:42:21.32 10.0 undecidable manual PG 329 0.999 1.4 0
--.INTR.Z. 2004-04-29T07:42:16.50 10.0 undecidable manual SG 152 0.4218 0.55 0.3
--.PTQR.Z. 2004-04-29T07:42:14.90 10.0 undecidable manual SG 205 0.3996 -0.45 0.4
--.MNS.Z. 2004-04-29T07:42:14.20 10.0 undecidable manual PG 269 0.6993 -0.44 0.8
--.INTR.Z. 2004-04-29T07:42:09.38 10.0 positive manual PG 152 0.4218 0.07 2.8
--.TERO.Z. 2004-04-29T07:42:09.27 10.0 undecidable manual SG 353 0.222 -0.31 0.5
--.PTQR.Z. 2004-04-29T07:42:08.50 10.0 undecidable manual PG 205 0.3996 -0.47 1
--.AQU.Z. 2004-04-29T07:42:08.80 10.0 undecidable manual SG 257 0.1665 0.89 0.2
--.TERO.Z. 2004-04-29T07:42:05.38 10.0 negative manual PG 353 0.222 -0.25 2.5
--.AQU.Z. 2004-04-29T07:42:04.66 10.0 positive manual PG 257 0.1665 -0.01 2.9
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