Earthquake with magnitude of Md 2.4 on date 31-10-2002 and time 19:36:39 (Italy) in region 4 km NW Casacalenda (CB)

A magnitude Md 2.4 earthquake occured in region: 4 km NW Casacalenda (CB), on

  • 31-10-2002 18:36:39 (UTC)
  • 31-10-2002 19:36:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7580, 14.8100 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
Casacalenda CB 4 2135 2135
Provvidenti CB 4 119 2254
Guardialfiera CB 5 1065 3319
Morrone del Sannio CB 6 587 3906
Lupara CB 6 505 4411
Ripabottoni CB 8 514 4925
Castelbottaccio CB 9 312 5237
Castellino del Biferno CB 9 545 5782
Larino CB 10 6793 12575
Civitacampomarano CB 10 417 12992
Montorio nei Frentani CB 10 437 13429
Lucito CB 10 696 14125
Castelmauro CB 12 1505 15630
Montelongo CB 12 365 15995
Bonefro CB 12 1384 17379
Petrella Tifernina CB 12 1170 18549
Acquaviva Collecroce CB 13 672 19221
Campolieto CB 14 839 20060
Palata CB 15 1726 21786
San Giuliano di Puglia CB 15 1042 22828
Santa Croce di Magliano CB 16 4435 27263
Sant'Elia a Pianisi CB 16 1818 29081
Rotello CB 16 1212 30293
Monacilioni CB 16 523 30816
Montecilfone CB 16 1348 32164
Montagano CB 17 1086 33250
Colletorto CB 17 1938 35188
Tavenna CB 17 718 35906
San Felice del Molise CB 17 634 36540
Ururi CB 18 2693 39233
Limosano CB 18 768 40001
Matrice CB 18 1115 41116
Montefalcone nel Sannio CB 19 1556 42672
Sant'Angelo Limosano CB 19 352 43024
San Biase CB 19 189 43213
Guglionesi CB 19 5321 48534
San Giovanni in Galdo CB 19 580 49114
Roccavivara CB 19 815 49929
Montemitro CB 20 395 50324

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of San Severo (53905 inhabitants)
69 Km W of Foggia (151991 inhabitants)
70 Km N of Benevento (60091 inhabitants)
85 Km SE of Chieti (51815 inhabitants)
86 Km NE of Caserta (76326 inhabitants)
93 Km SE of Pescara (121014 inhabitants)
93 Km W of Manfredonia (57279 inhabitants)
94 Km N of Avellino (54857 inhabitants)
97 Km NE of Acerra (59573 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 2002-10-31
18:36:39
41.758 14.81 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 457629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-10-31 18:36:39 ± 0.269
Latitude 41.7580 ± 0.0328
Longitude 14.8100 ± 0.0136
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 457629

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) 3819.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
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) 0.00437
Epicentral distance of station farthest from the epicenter (degree) 0.01125
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 457629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:13:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 2002-10-31T18:37:21.58 10.0 undecidable manual SN 162 1.2543 0.41 0.5
--.FGMS.Z. 2002-10-31T18:37:08.85 10.0 undecidable manual SG 92 0.8436 -0.93 0.1
--.SGO.Z. 2002-10-31T18:37:03.38 10.0 undecidable manual PN 162 1.2543 -0.16 1.5
--.RGNG.Z. 2002-10-31T18:37:00.48 10.0 undecidable manual SG 97 0.5883 -0.66 0.4
--.RNI2.Z. 2002-10-31T18:36:58.13 10.0 undecidable manual SG 263 0.4884 -0.06 0.8
--.FGMS.Z. 2002-10-31T18:36:57.93 10.0 undecidable manual PG 92 0.8436 0.95 0.5
--.RGNG.Z. 2002-10-31T18:36:52.20 10.0 undecidable manual PG 97 0.5883 0.03 2.1
--.RNI2.Z. 2002-10-31T18:36:50.28 10.0 undecidable manual PG 263 0.4884 -0.01 2.1
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