Earthquake with magnitude of Md 2.5 on date 31-10-2002 and time 20:30:28 (UTC) in region 3 km W Montorio nei Frentani (CB)

A magnitude Md 2.5 earthquake occured in region: 3 km W Montorio nei Frentani (CB), on

  • 31-10-2002 20:30:28 (UTC)
  • 31-10-2002 21:30:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7630, 14.8920 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montorio nei Frentani CB 3 437 437
Casacalenda CB 4 2135 2572
Larino CB 5 6793 9365
Montelongo CB 6 365 9730
Bonefro CB 8 1384 11114
Provvidenti CB 8 119 11233
Guardialfiera CB 9 1065 12298
Rotello CB 10 1212 13510
Santa Croce di Magliano CB 10 4435 17945
San Giuliano di Puglia CB 10 1042 18987
Ripabottoni CB 11 514 19501
Morrone del Sannio CB 11 587 20088
Ururi CB 12 2693 22781
Colletorto CB 13 1938 24719
Lupara CB 13 505 25224
Castellino del Biferno CB 15 545 25769
Castelbottaccio CB 15 312 26081
Sant'Elia a Pianisi CB 16 1818 27899
San Martino in Pensilis CB 16 4793 32692
Montecilfone CB 16 1348 34040
Palata CB 17 1726 35766
Guglionesi CB 17 5321 41087
Castelmauro CB 17 1505 42592
Civitacampomarano CB 17 417 43009
Acquaviva Collecroce CB 17 672 43681
Lucito CB 17 696 44377
Campolieto CB 18 839 45216
Monacilioni CB 18 523 45739
Petrella Tifernina CB 18 1170 46909
Macchia Valfortore CB 19 576 47485
Tavenna CB 19 718 48203
Portocannone CB 20 2551 50754

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of San Severo (53905 inhabitants)
64 Km NW of Foggia (151991 inhabitants)
71 Km N of Benevento (60091 inhabitants)
87 Km W of Manfredonia (57279 inhabitants)
89 Km SE of Chieti (51815 inhabitants)
90 Km NE of Caserta (76326 inhabitants)
95 Km N of Avellino (54857 inhabitants)
96 Km SE of Pescara (121014 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 2.5
ML-VAX 1.5
2002-10-31
20:30:28
41.763 14.892 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 457669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-10-31 20:30:28 ± 0.407
Latitude 41.7630 ± 0.0327
Longitude 14.8920 ± 0.0207
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 457669

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) 4025.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00469
Epicentral distance of station farthest from the epicenter (degree) 0.01117
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 457669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:13:18

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 457669
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. 2002-10-31T20:31:09.93 10.0 undecidable manual SN 165 1.2432 1.46 0.1
--.CSSN.Z. 2002-10-31T20:31:00.30 10.0 undecidable manual SG 173 0.8991 0.84 0.4
--.SGO.Z. 2002-10-31T20:30:51.60 10.0 undecidable manual PN 165 1.2432 0.05 1.7
--.MRLC.Z. 2002-10-31T20:30:48.86 10.0 undecidable manual PN 156 1.0989 -0.75 1.2
--.RNI2.Z. 2002-10-31T20:30:47.90 10.0 undecidable manual SG 264 0.5439 -0.27 0.8
--.RGNG.Z. 2002-10-31T20:30:47.29 10.0 undecidable manual SG 99 0.5217 0.07 0.8
--.CSSN.Z. 2002-10-31T20:30:47.00 10.0 undecidable manual PG 173 0.8991 0.65 1.3
--.FG5.Z. 2002-10-31T20:30:46.80 10.0 undecidable manual SG 149 0.5439 -1.41 0.2
--.RNI2.Z. 2002-10-31T20:30:39.89 10.0 undecidable manual PG 264 0.5439 0.06 2.2
--.RGNG.Z. 2002-10-31T20:30:39.81 10.0 undecidable manual PG 99 0.5217 0.53 1.6
--.FG5.Z. 2002-10-31T20:30:38.66 10.0 undecidable manual PG 149 0.5439 -1.2 0.7
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