Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.3 on date 02-11-2002 and time 12:46:30 (UTC) in region 1 km SE Guardialfiera (CB)

A magnitude Md 2.3 earthquake occured in region: 1 km SE Guardialfiera (CB), on

  • 02-11-2002 12:46:30 (UTC)
  • 02-11-2002 13:46:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8000, 14.7990 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
Guardialfiera CB 1 1065 1065
Lupara CB 7 505 1570
Casacalenda CB 8 2135 3705
Castelmauro CB 8 1505 5210
Acquaviva Collecroce CB 9 672 5882
Castelbottaccio CB 9 312 6194
Civitacampomarano CB 9 417 6611
Provvidenti CB 9 119 6730
Larino CB 9 6793 13523
Morrone del Sannio CB 10 587 14110
Palata CB 10 1726 15836
Lucito CB 12 696 16532
Montecilfone CB 12 1348 17880
Montorio nei Frentani CB 12 437 18317
Castellino del Biferno CB 12 545 18862
Ripabottoni CB 12 514 19376
Tavenna CB 13 718 20094
San Felice del Molise CB 13 634 20728
Montelongo CB 14 365 21093
Petrella Tifernina CB 15 1170 22263
Montefalcone nel Sannio CB 15 1556 23819
Bonefro CB 16 1384 25203
Guglionesi CB 16 5321 30524
Montemitro CB 16 395 30919
Roccavivara CB 17 815 31734
Mafalda CB 17 1211 32945
Montenero di Bisaccia CB 18 6675 39620
Ururi CB 18 2693 42313
Rotello CB 18 1212 43525
Campolieto CB 18 839 44364
Santa Croce di Magliano CB 19 4435 48799
San Giuliano di Puglia CB 19 1042 49841
San Martino in Pensilis CB 19 4793 54634
Tufillo CH 19 406 55040
Celenza sul Trigno CH 20 915 55955
San Biase CB 20 189 56144
Montagano CB 20 1086 57230
Sant'Angelo Limosano CB 20 352 57582
Limosano CB 20 768 58350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km W of San Severo (53905 inhabitants)
72 Km NW of Foggia (151991 inhabitants)
74 Km N of Benevento (60091 inhabitants)
81 Km SE of Chieti (51815 inhabitants)
88 Km SE of Pescara (121014 inhabitants)
89 Km NE of Caserta (76326 inhabitants)
95 Km W of Manfredonia (57279 inhabitants)
96 Km SE of Montesilvano (53738 inhabitants)
98 Km N of Avellino (54857 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
ML-VAX 1.6 		2002-11-02
12:46:30		 41.8 14.799 10 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 459449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-11-02 12:46:30 ± 0.303
Latitude 41.8000 ± 0.0160
Longitude 14.7990 ± 0.0152
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 459449

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) 2173.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 263
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00437
Epicentral distance of station farthest from the epicenter (degree) 0.01166
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 459449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:15:03

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 459449
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
--.SGO.Z. 2002-11-02T12:47:12.17 10.0 undecidable manual SN 162 1.2987 -0.06 0.6
--.CSSN.Z. 2002-11-02T12:47:03.32 10.0 undecidable manual SG 169 0.9546 -0.08 0.6
--.SGO.Z. 2002-11-02T12:46:54.80 10.0 undecidable manual PN 162 1.2987 0.04 1.6
--.CSSN.Z. 2002-11-02T12:46:49.66 10.0 undecidable manual PG 169 0.9546 0 2
--.RNI2.Z. 2002-11-02T12:46:48.61 10.0 undecidable manual SG 258 0.4884 0 0.6
--.RFI.Z. 2002-11-02T12:46:47.13 10.0 undecidable manual PG 230 0.777 0.51 0.3
--.RNI2.Z. 2002-11-02T12:46:40.99 10.0 undecidable manual PG 258 0.4884 -0.13 1.2
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