Earthquake with magnitude of Md 2.4 on date 17-04-1997 and time 23:02:44 (Italy) in region 2 km NE Sepino (CB)

A magnitude Md 2.4 earthquake occured in region: 2 km NE Sepino (CB), on

  • 17-04-1997 21:02:44 (UTC)
  • 17-04-1997 23:02:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4200, 14.6410 at 9 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
Sepino CB 2 1964 1964
San Giuliano del Sannio CB 4 1029 2993
Cercepiccola CB 5 681 3674
Sassinoro BN 5 618 4292
Cercemaggiore CB 8 3777 8069
Guardiaregia CB 8 801 8870
Santa Croce del Sannio BN 8 927 9797
Morcone BN 9 4932 14729
Vinchiaturo CB 9 3324 18053
Mirabello Sannitico CB 11 2180 20233
Pietraroja BN 11 545 20778
Campochiaro CB 12 646 21424
Ferrazzano CB 13 3344 24768
San Polo Matese CB 13 470 25238
Gildone CB 13 809 26047
Baranello CB 14 2673 28720
Castelpagano BN 14 1483 30203
Cusano Mutri BN 14 4091 34294
Colle d'Anchise CB 14 807 35101
Pontelandolfo BN 15 2167 37268
Campobasso CB 16 49431 86699
Bojano CB 16 8058 94757
Circello BN 16 2388 97145
Busso CB 16 1273 98418
Campolattaro BN 17 1072 99490
Cerreto Sannita BN 17 3940 103430
Jelsi CB 17 1781 105211
Colle Sannita BN 17 2431 107642
San Lupo BN 18 801 108443
Campodipietra CB 18 2570 111013
San Lorenzello BN 18 2227 113240
Riccia CB 18 5262 118502
Casalduni BN 18 1378 119880
Guardia Sanframondi BN 18 5078 124958
San Lorenzo Maggiore BN 19 2154 127112
Spinete CB 19 1320 128432
Oratino CB 19 1641 130073

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Benevento (60091 inhabitants)
46 Km NE of Caserta (76326 inhabitants)
57 Km NE of Acerra (59573 inhabitants)
58 Km N of Avellino (54857 inhabitants)
62 Km NE of Aversa (53047 inhabitants)
62 Km NE of Afragola (65057 inhabitants)
64 Km NE of Casoria (77642 inhabitants)
66 Km NE of Giugliano in Campania (122974 inhabitants)
68 Km W of San Severo (53905 inhabitants)
69 Km NE of Marano di Napoli (59874 inhabitants)
70 Km NE of Portici (55274 inhabitants)
72 Km NE of Ercolano (53709 inhabitants)
72 Km NE of Napoli (974074 inhabitants)
74 Km NE of Torre del Greco (86275 inhabitants)
75 Km N of Scafati (50787 inhabitants)
75 Km W of Foggia (151991 inhabitants)
79 Km NE of Pozzuoli (81661 inhabitants)
80 Km N of Cava de' Tirreni (53659 inhabitants)
82 Km N of Castellammare di Stabia (66466 inhabitants)
83 Km N of Salerno (135261 inhabitants)
95 Km NW of Battipaglia (50786 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 1997-04-17
21:02:44
41.42 14.641 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 266179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-17 21:02:44 ± 0.274
Latitude 41.4200 ± 0.0211
Longitude 14.6410 ± 0.0218
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 266179

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) 2967.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00890
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 266179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:11:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1997-04-17T21:03:17.58 10.0 undecidable manual SG 149 0.9879 -1.2 0.2
--.MU9.Z. 1997-04-17T21:03:16.35 10.0 undecidable manual SG 135 0.9102 0.11 0.6
--.SDI.Z. 1997-04-17T21:03:10.42 10.0 undecidable manual SG 295 0.6882 1.63 0.1
--.FG2.Z. 1997-04-17T21:03:04.57 10.0 undecidable manual SG 45 0.5439 0.22 0.7
--.MU9.Z. 1997-04-17T21:03:04.24 10.0 undecidable manual PG 135 0.9102 1.34 0.3
--.RFI.Z. 1997-04-17T21:03:03.66 10.0 undecidable manual SG 256 0.4995 0.59 0.5
--.SGO.Z. 1997-04-17T21:03:03.78 10.0 undecidable manual PG 149 0.9879 -0.59 1
--.SDI.Z. 1997-04-17T21:02:57.41 10.0 undecidable manual PG 295 0.6882 -1.2 0.5
--.RFI.Z. 1997-04-17T21:02:55.30 10.0 undecidable manual PG 256 0.4995 0 1.8
--.FG2.Z. 1997-04-17T21:02:55.83 10.0 undecidable manual PG 45 0.5439 -0.21 1.8
--.SMB1.Z. 1997-04-17T21:02:48.79 10.0 undecidable manual SG 113 0.0666 0.16 0.7
--.SMB1.Z. 1997-04-17T21:02:47.00 10.0 positive manual PG 113 0.0666 0.03 3.7
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