Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 31-10-2002 and time 15:47:33 (UTC) in region 1 km E Provvidenti (CB)

A magnitude Md 2.4 earthquake occured in region: 1 km E Provvidenti (CB), on

  • 31-10-2002 15:47:33 (UTC)
  • 31-10-2002 16:47:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7260, 14.8390 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
Provvidenti CB 2 119 119
Casacalenda CB 2 2135 2254
Ripabottoni CB 5 514 2768
Morrone del Sannio CB 5 587 3355
Bonefro CB 8 1384 4739
Montorio nei Frentani CB 9 437 5176
Castellino del Biferno CB 9 545 5721
Montelongo CB 9 365 6086
Guardialfiera CB 9 1065 7151
Lupara CB 10 505 7656
Larino CB 10 6793 14449
Castelbottaccio CB 11 312 14761
San Giuliano di Puglia CB 11 1042 15803
Campolieto CB 12 839 16642
Sant'Elia a Pianisi CB 12 1818 18460
Petrella Tifernina CB 13 1170 19630
Lucito CB 13 696 20326
Santa Croce di Magliano CB 13 4435 24761
Monacilioni CB 13 523 25284
Colletorto CB 13 1938 27222
Civitacampomarano CB 14 417 27639
Rotello CB 14 1212 28851
Castelmauro CB 16 1505 30356
Macchia Valfortore CB 16 576 30932
Pietracatella CB 16 1375 32307
Montagano CB 16 1086 33393
Matrice CB 16 1115 34508
San Giovanni in Galdo CB 17 580 35088
Ururi CB 18 2693 37781
Acquaviva Collecroce CB 18 672 38453
Toro CB 18 1391 39844
Carlantino FG 19 980 40824
Palata CB 19 1726 42550
Limosano CB 19 768 43318
Ripalimosani CB 19 3114 46432
Montecilfone CB 20 1348 47780
Sant'Angelo Limosano CB 20 352 48132

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km W of San Severo (53905 inhabitants)
66 Km W of Foggia (151991 inhabitants)
66 Km N of Benevento (60091 inhabitants)
84 Km NE of Caserta (76326 inhabitants)
89 Km SE of Chieti (51815 inhabitants)
90 Km N of Avellino (54857 inhabitants)
90 Km W of Manfredonia (57279 inhabitants)
95 Km NE of Acerra (59573 inhabitants)
97 Km SE of Pescara (121014 inhabitants)
99 Km NE of Aversa (53047 inhabitants)
100 Km NE of Afragola (65057 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 2.4
ML-VAX 1.7 		2002-10-31
15:47:33		 41.726 14.839 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 457499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-10-31 15:47:33 ± 0.213
Latitude 41.7260 ± 0.0227
Longitude 14.8390 ± 0.0116
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 457499

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) 2704.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00453
Epicentral distance of station farthest from the epicenter (degree) 0.01506
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 457499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:13:08

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 457499
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
--.MGR.Z. 2002-10-31T15:48:02.80 10.0 undecidable manual PN 161 1.6761 -0.1 1.3
--.FGMS.Z. 2002-10-31T15:48:02.29 10.0 undecidable manual SG 91 0.8214 -0.16 0.7
--.SGO.Z. 2002-10-31T15:47:56.66 10.0 undecidable manual PN 163 1.2099 0.05 1.4
--.MRLC.Z. 2002-10-31T15:47:54.98 10.0 undecidable manual PN 153 1.0767 0.2 1.2
--.RGNG.Z. 2002-10-31T15:47:53.47 10.0 undecidable manual SG 95 0.555 -0.27 0.7
--.FG5.Z. 2002-10-31T15:47:53.68 10.0 undecidable manual SG 144 0.5439 0.37 0.2
--.RNI2.Z. 2002-10-31T15:47:52.73 10.0 undecidable manual SG 267 0.4995 0.54 0.5
--.FGMS.Z. 2002-10-31T15:47:50.75 10.0 undecidable manual PG 91 0.8214 0.39 1.3
--.RGNG.Z. 2002-10-31T15:47:45.26 10.0 undecidable manual PG 95 0.555 -0.06 1.9
--.RNI2.Z. 2002-10-31T15:47:44.11 10.0 undecidable manual PG 267 0.4995 -0.32 1.5
--.FG5.Z. 2002-10-31T15:47:43.77 10.0 undecidable manual PG 144 0.5439 -1.31 0.2
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