Earthquake with magnitude of Md 1.9 on date 10-04-1997 and time 01:26:21 (UTC) in region 4 km S Santa Croce del Sannio (BN)

A magnitude Md 1.9 earthquake occured in region: 4 km S Santa Croce del Sannio (BN), on

  • 10-04-1997 01:26:21 (UTC)
  • 10-04-1997 03:26:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3520, 14.7280 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
Santa Croce del Sannio BN 4 927 927
Morcone BN 5 4932 5859
Sassinoro BN 6 618 6477
Circello BN 7 2388 8865
Campolattaro BN 7 1072 9937
Pontelandolfo BN 8 2167 12104
Castelpagano BN 9 1483 13587
Colle Sannita BN 9 2431 16018
Reino BN 10 1210 17228
Casalduni BN 10 1378 18606
Sepino CB 11 1964 20570
Fragneto l'Abate BN 12 1049 21619
Fragneto Monforte BN 12 1840 23459
Cercemaggiore CB 12 3777 27236
San Lupo BN 13 801 28037
Cercepiccola CB 13 681 28718
San Marco dei Cavoti BN 14 3371 32089
San Giuliano del Sannio CB 14 1029 33118
San Lorenzo Maggiore BN 14 2154 35272
Pesco Sannita BN 15 1972 37244
Pietraroja BN 15 545 37789
Guardia Sanframondi BN 15 5078 42867
Ponte BN 16 2580 45447
Cerreto Sannita BN 16 3940 49387
Molinara BN 17 1618 51005
Pago Veiano BN 17 2406 53411
Riccia CB 18 5262 58673
San Lorenzello BN 18 2227 60900
Gildone CB 18 809 61709
Paupisi BN 18 1633 63342
Guardiaregia CB 18 801 64143
San Giorgio La Molara BN 18 2994 67137
Cusano Mutri BN 18 4091 71228
Torrecuso BN 19 3407 74635
Mirabello Sannitico CB 19 2180 76815
Jelsi CB 20 1781 78596
Vinchiaturo CB 20 3324 81920
Castelvenere BN 20 2562 84482
Pietrelcina BN 20 3114 87596

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Benevento (60091 inhabitants)
45 Km NE of Caserta (76326 inhabitants)
49 Km N of Avellino (54857 inhabitants)
54 Km NE of Acerra (59573 inhabitants)
59 Km NE of Afragola (65057 inhabitants)
61 Km NE of Aversa (53047 inhabitants)
62 Km NE of Casoria (77642 inhabitants)
64 Km NE of Giugliano in Campania (122974 inhabitants)
66 Km SW of San Severo (53905 inhabitants)
66 Km NE of Portici (55274 inhabitants)
68 Km NE of Marano di Napoli (59874 inhabitants)
68 Km NE of Ercolano (53709 inhabitants)
69 Km N of Scafati (50787 inhabitants)
69 Km W of Foggia (151991 inhabitants)
70 Km NE of Napoli (974074 inhabitants)
70 Km NE of Torre del Greco (86275 inhabitants)
72 Km N of Cava de' Tirreni (53659 inhabitants)
75 Km N of Salerno (135261 inhabitants)
76 Km N of Castellammare di Stabia (66466 inhabitants)
77 Km NE of Pozzuoli (81661 inhabitants)
85 Km N of Battipaglia (50786 inhabitants)
99 Km W of Cerignola (58396 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 1.9 1997-04-10
01:26:21
41.352 14.728 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 265759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-10 01:26:21 ± 0.372
Latitude 41.3520 ± 0.0145
Longitude 14.7280 ± 0.0433
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 265759

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) 3953.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.00324
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 265759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:11:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.RMI2.Z. 1997-04-10T01:26:30.58 10.0 undecidable manual PG 254 0.3552 0.92 0.8
--.DUI.Z. 1997-04-10T01:26:30.15 10.0 undecidable manual PG 326 0.3552 0.38 1.3
--.VTB1.Z. 1997-04-10T01:26:28.72 10.0 undecidable manual SG 203 0.1776 -0.1 0.8
--.PSB1.Z. 1997-04-10T01:26:25.80 10.0 undecidable manual PG 154 0.1332 0.94 1.2
--.VTB1.Z. 1997-04-10T01:26:24.33 10.0 undecidable manual PG 203 0.1776 -1.41 0.6
--.SMB1.Z. 1997-04-10T01:26:23.75 10.0 undecidable manual SG 350 0.0333 -0.19 0.8
--.SMB1.Z. 1997-04-10T01:26:22.22 10.0 undecidable manual PG 350 0.0333 -0.71 1.5
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