Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.3 on date 31-10-2002 and time 13:39:51 (Italy) in region 4 km NE Monacilioni (CB)

A magnitude Md 2.3 earthquake occured in region: 4 km NE Monacilioni (CB), on

  • 31-10-2002 12:39:51 (UTC)
  • 31-10-2002 13:39:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6380, 14.8340 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
Monacilioni CB 4 523 523
Sant'Elia a Pianisi CB 4 1818 2341
Campolieto CB 6 839 3180
Ripabottoni CB 6 514 3694
Pietracatella CB 7 1375 5069
Macchia Valfortore CB 8 576 5645
San Giovanni in Galdo CB 9 580 6225
Toro CB 9 1391 7616
Provvidenti CB 9 119 7735
Morrone del Sannio CB 10 587 8322
Matrice CB 11 1115 9437
Bonefro CB 11 1384 10821
Castellino del Biferno CB 11 545 11366
Campodipietra CB 11 2570 13936
Casacalenda CB 12 2135 16071
Colletorto CB 12 1938 18009
San Giuliano di Puglia CB 12 1042 19051
Carlantino FG 13 980 20031
Petrella Tifernina CB 13 1170 21201
Montagano CB 13 1086 22287
Jelsi CB 14 1781 24068
Ripalimosani CB 14 3114 27182
Montelongo CB 15 365 27547
Celenza Valfortore FG 15 1598 29145
Santa Croce di Magliano CB 16 4435 33580
Gambatesa CB 16 1464 35044
Montorio nei Frentani CB 16 437 35481
Lucito CB 16 696 36177
Gildone CB 16 809 36986
Lupara CB 16 505 37491
Castelbottaccio CB 17 312 37803
Riccia CB 17 5262 43065
Campobasso CB 17 49431 92496
Ferrazzano CB 18 3344 95840
Limosano CB 18 768 96608
Guardialfiera CB 19 1065 97673
Rotello CB 19 1212 98885
Mirabello Sannitico CB 19 2180 101065
San Marco la Catola FG 19 1012 102077
Larino CB 19 6793 108870
Tufara CB 20 925 109795
Civitacampomarano CB 20 417 110212

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km W of San Severo (53905 inhabitants)
57 Km N of Benevento (60091 inhabitants)
62 Km W of Foggia (151991 inhabitants)
75 Km NE of Caserta (76326 inhabitants)
81 Km N of Avellino (54857 inhabitants)
86 Km NE of Acerra (59573 inhabitants)
90 Km W of Manfredonia (57279 inhabitants)
91 Km NE of Aversa (53047 inhabitants)
91 Km NE of Afragola (65057 inhabitants)
93 Km NE of Casoria (77642 inhabitants)
95 Km NE of Giugliano in Campania (122974 inhabitants)
97 Km SE of Chieti (51815 inhabitants)
98 Km NE of Marano di Napoli (59874 inhabitants)
98 Km W of Cerignola (58396 inhabitants)
99 Km NE of Portici (55274 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 		2002-10-31
12:39:51		 41.638 14.834 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 457389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-10-31 12:39:51 ± 0.244
Latitude 41.6380 ± 0.0330
Longitude 14.8340 ± 0.0139
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 457389

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) 3844.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00348
Epicentral distance of station farthest from the epicenter (degree) 0.00753
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 4
Type of magnitude Md
Reference to an origin 457389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:13:02

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 457389
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
--.FGMS.Z. 2002-10-31T12:40:20.99 10.0 undecidable manual SG 84 0.8325 0.82 0.1
--.RGNG.Z. 2002-10-31T12:40:10.32 10.0 undecidable manual SG 85 0.555 -1 0
--.FGMS.Z. 2002-10-31T12:40:08.39 10.0 undecidable manual PG 84 0.8325 0.4 1
--.CPI2.Z. 2002-10-31T12:40:05.86 10.0 undecidable manual SG 262 0.3885 0.12 0.7
--.RGNG.Z. 2002-10-31T12:40:02.57 10.0 undecidable manual PG 85 0.555 -0.31 1.4
--.FG5.Z. 2002-10-31T12:40:01.39 10.0 undecidable manual PG 137 0.4773 0.03 1.9
--.CPI2.Z. 2002-10-31T12:39:59.56 10.0 undecidable manual PG 262 0.3885 -0.1 1.8
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