Earthquake with magnitude of Md 2.0 on date 31-12-2003 and time 16:30:31 (UTC) in region 2 km W Scoppito (AQ)

A magnitude Md 2.0 earthquake occured in region: 2 km W Scoppito (AQ), on

  • 31-12-2003 16:30:31 (UTC)
  • 31-12-2003 17:30:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3670, 13.2290 at 17 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Scoppito AQ 2 3727 3727
Pizzoli AQ 10 4326 8053
Tornimparte AQ 10 3187 11240
Cagnano Amiterno AQ 10 1369 12609
Barete AQ 10 737 13346
Lucoli AQ 12 1011 14357
Antrodoco RI 13 2588 16945
L'Aquila AQ 14 69753 86698
Fiamignano RI 14 1413 88111
Borgo Velino RI 15 972 89083
Petrella Salto RI 15 1197 90280
Castel Sant'Angelo RI 17 1308 91588
Micigliano RI 17 127 91715
Montereale AQ 18 2581 94296
Borbona RI 18 617 94913
Capitignano AQ 18 665 95578
Pescorocchiano RI 19 2075 97653
Borgorose RI 19 4591 102244

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km W of L'Aquila (69753 inhabitants)
51 Km SW of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
57 Km NE of Tivoli (56533 inhabitants)
58 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km W of Chieti (51815 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
78 Km SE of Foligno (57155 inhabitants)
81 Km NE of Roma (2864731 inhabitants)
82 Km W of Pescara (121014 inhabitants)
84 Km NE of Velletri (53303 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
98 Km NE of Pomezia (62966 inhabitants)
98 Km NE of Aprilia (73446 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 2003-12-31
16:30:31
42.367 13.229 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 491269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-12-31 16:30:31 ± 0.123
Latitude 42.3670 ± 0.0048
Longitude 13.2290 ± 0.0066
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 491269

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) 764.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00405
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 491269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:48:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CERT.E. 2003-12-31T16:30:47.86 10.0 undecidable manual SG 203 0.444 -0.5 0.2
--.MNS.Z. 2003-12-31T16:30:46.76 10.0 undecidable manual SG 272 0.3996 0 0.5
--.TERO.N. 2003-12-31T16:30:45.63 10.0 undecidable manual SG 47 0.3663 -0.21 0.3
--.PTQR.Z. 2003-12-31T16:30:45.47 10.0 undecidable manual SG 159 0.3552 -0.11 0.6
--.CERT.Z. 2003-12-31T16:30:41.15 10.0 undecidable manual PG 203 0.444 -0.14 1.3
--.MNS.Z. 2003-12-31T16:30:40.42 10.0 undecidable manual PG 272 0.3996 0.06 1.7
--.TERO.Z. 2003-12-31T16:30:39.81 10.0 positive manual PG 47 0.3663 -0.02 2.7
--.PTQR.Z. 2003-12-31T16:30:39.83 10.0 undecidable manual PG 159 0.3552 0.15 1.9
--.AQU.Z. 2003-12-31T16:30:38.58 10.0 undecidable manual SG 95 0.1221 -0.14 0.3
--.AQU.Z. 2003-12-31T16:30:35.94 10.0 undecidable manual PG 95 0.1221 0.22 0.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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