Earthquake with magnitude of Md 2.1 on date 04-04-1997 and time 05:23:38 (Italy) in region 4 km E Castelpagano (BN)

A magnitude Md 2.1 earthquake occured in region: 4 km E Castelpagano (BN), on

  • 04-04-1997 03:23:38 (UTC)
  • 04-04-1997 05:23:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4150, 14.8570 at 23 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
Castelpagano BN 4 1483 1483
Colle Sannita BN 6 2431 3914
Circello BN 8 2388 6302
Castelvetere in Val Fortore BN 8 1240 7542
Riccia CB 8 5262 12804
Baselice BN 10 2397 15201
Tufara CB 11 925 16126
Santa Croce del Sannio BN 11 927 17053
Gambatesa CB 12 1464 18517
Foiano di Val Fortore BN 12 1410 19927
San Marco dei Cavoti BN 12 3371 23298
Cercemaggiore CB 12 3777 27075
Jelsi CB 13 1781 28856
San Bartolomeo in Galdo BN 13 4867 33723
Reino BN 14 1210 34933
Molinara BN 14 1618 36551
Gildone CB 14 809 37360
Montefalcone di Val Fortore BN 16 1525 38885
Cercepiccola CB 17 681 39566
San Giorgio La Molara BN 17 2994 42560
Sassinoro BN 17 618 43178
Campolattaro BN 18 1072 44250
San Marco la Catola FG 18 1012 45262
Morcone BN 18 4932 50194
Campodipietra CB 18 2570 52764
San Giuliano del Sannio CB 19 1029 53793
Volturara Appula FG 19 430 54223
Pago Veiano BN 19 2406 56629
Fragneto l'Abate BN 19 1049 57678
Pietracatella CB 19 1375 59053
Mirabello Sannitico CB 19 2180 61233
Toro CB 19 1391 62624
Celenza Valfortore FG 19 1598 64222
Pontelandolfo BN 20 2167 66389
Sepino CB 20 1964 68353

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km N of Benevento (60091 inhabitants)
53 Km SW of San Severo (53905 inhabitants)
56 Km N of Avellino (54857 inhabitants)
58 Km W of Foggia (151991 inhabitants)
58 Km NE of Caserta (76326 inhabitants)
66 Km NE of Acerra (59573 inhabitants)
71 Km NE of Afragola (65057 inhabitants)
73 Km NE of Aversa (53047 inhabitants)
74 Km NE of Casoria (77642 inhabitants)
77 Km NE of Giugliano in Campania (122974 inhabitants)
78 Km NE of Portici (55274 inhabitants)
79 Km NE of Scafati (50787 inhabitants)
80 Km NE of Ercolano (53709 inhabitants)
80 Km NE of Marano di Napoli (59874 inhabitants)
80 Km N of Cava de' Tirreni (53659 inhabitants)
81 Km NE of Torre del Greco (86275 inhabitants)
82 Km NE of Napoli (974074 inhabitants)
82 Km N of Salerno (135261 inhabitants)
86 Km NE of Castellammare di Stabia (66466 inhabitants)
89 Km W of Cerignola (58396 inhabitants)
90 Km NE of Pozzuoli (81661 inhabitants)
90 Km N of Battipaglia (50786 inhabitants)
92 Km W of Manfredonia (57279 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 2.1 1997-04-04
03:23:38
41.415 14.857 23 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 265009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-04 03:23:38 ± 0.646
Latitude 41.4150 ± 0.0234
Longitude 14.8570 ± 0.0412
Depth (km) 23 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 265009

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) 4313.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 283
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00421
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 265009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:10:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.RMI2.Z. 1997-04-04T03:23:56.83 10.0 undecidable manual SG 250 0.4662 0.53 0.3
--.CPI2.Z. 1997-04-04T03:23:55.53 10.0 undecidable manual SG 292 0.4329 0.35 0.5
--.VTB1.Z. 1997-04-04T03:23:50.00 10.0 undecidable manual SG 216 0.2775 -0.82 0.1
--.RMI2.Z. 1997-04-04T03:23:48.75 10.0 undecidable manual PG 250 0.4662 -0.04 1.9
--.CPI2.Z. 1997-04-04T03:23:47.66 10.0 undecidable manual PG 292 0.4329 -0.48 1
--.SMB1.Z. 1997-04-04T03:23:46.40 10.0 undecidable manual SG 258 0.0999 -0.27 0.7
--.VTB1.Z. 1997-04-04T03:23:45.90 10.0 undecidable manual PG 216 0.2775 0.27 1.9
--.SMB1.Z. 1997-04-04T03:23:43.58 10.0 undecidable manual PG 258 0.0999 0.35 1.6
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