Earthquake with magnitude of Md 2.3 on date 02-10-2003 and time 13:12:52 (UTC) in region 3 km N Borgorose (RI)

A magnitude Md 2.3 earthquake occured in region: 3 km N Borgorose (RI), on

  • 02-10-2003 13:12:52 (UTC)
  • 02-10-2003 15:12:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2230, 13.2300 at 5 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
Borgorose RI 3 4591 4591
Pescorocchiano RI 7 2075 6666
Tornimparte AQ 10 3187 9853
Fiamignano RI 10 1413 11266
Lucoli AQ 12 1011 12277
Sante Marie AQ 13 1166 13443
Marcetelli RI 15 89 13532
Nespolo RI 15 246 13778
Petrella Salto RI 16 1197 14975
Scoppito AQ 17 3727 18702
Collegiove RI 17 213 18915
Tagliacozzo AQ 17 6889 25804
Varco Sabino RI 17 187 25991
Collalto Sabino RI 18 442 26433
Magliano de' Marsi AQ 18 3690 30123
Massa d'Albe AQ 18 1476 31599
Carsoli AQ 19 5396 36995
Ascrea RI 19 234 37229
Paganico Sabino RI 19 172 37401
Scurcola Marsicana AQ 20 2824 40225

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km SW of L'Aquila (69753 inhabitants)
46 Km NE of Tivoli (56533 inhabitants)
48 Km NE of Guidonia Montecelio (88673 inhabitants)
61 Km SE of Terni (111501 inhabitants)
62 Km SW of Teramo (54892 inhabitants)
70 Km NE of Velletri (53303 inhabitants)
72 Km NE of Roma (2864731 inhabitants)
79 Km W of Chieti (51815 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
85 Km NE of Aprilia (73446 inhabitants)
85 Km W of Pescara (121014 inhabitants)
86 Km NE of Pomezia (62966 inhabitants)
88 Km NE of Latina (125985 inhabitants)
92 Km SE of Foligno (57155 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
96 Km NE of Fiumicino (78395 inhabitants)
99 Km NE of Anzio (54211 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 2.3 2003-10-02
13:12:52
42.223 13.23 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 487109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-10-02 13:12:52 ± 0.148
Latitude 42.2230 ± 0.0080
Longitude 13.2300 ± 0.0115
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 487109

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) 1299.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.00389
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 487109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:44:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 2003-10-02T13:13:09.63 10.0 undecidable manual SG 292 0.4329 0.2 0.6
--.CERT.E. 2003-10-02T13:13:05.82 10.0 undecidable manual SG 214 0.3219 0.48 0.3
--.MNS.Z. 2003-10-02T13:13:01.85 10.0 undecidable manual PG 292 0.4329 -0.43 0.8
--.PTQR.Z. 2003-10-02T13:13:01.48 10.0 undecidable manual SG 147 0.2331 -0.34 0.5
--.CERT.E. 2003-10-02T13:13:00.16 10.0 undecidable manual PG 214 0.3219 0.23 1.6
--.AQU.Z. 2003-10-02T13:13:00.54 10.0 undecidable manual SG 44 0.1776 0.77 0.1
--.PTQR.Z. 2003-10-02T13:12:57.78 10.0 undecidable manual PG 147 0.2331 -0.11 2.1
--.AQU.Z. 2003-10-02T13:12:56.57 10.0 undecidable manual PG 44 0.1776 -0.14 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download