Earthquake with magnitude of Md 2.4 on date 23-03-1997 and time 06:47:26 (Italy) in region 5 km NW Santa Croce del Sannio (BN)

A magnitude Md 2.4 earthquake occured in region: 5 km NW Santa Croce del Sannio (BN), on

  • 23-03-1997 05:47:26 (UTC)
  • 23-03-1997 06:47:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.4150, 14.6900 at 14 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 5 927 927
Sassinoro BN 5 618 1545
Cercepiccola CB 5 681 2226
Cercemaggiore CB 6 3777 6003
Sepino CB 6 1964 7967
San Giuliano del Sannio CB 6 1029 8996
Morcone BN 9 4932 13928
Castelpagano BN 10 1483 15411
Mirabello Sannitico CB 11 2180 17591
Gildone CB 11 809 18400
Circello BN 12 2388 20788
Vinchiaturo CB 12 3324 24112
Guardiaregia CB 13 801 24913
Ferrazzano CB 13 3344 28257
Colle Sannita BN 13 2431 30688
Pietraroja BN 14 545 31233
Pontelandolfo BN 14 2167 33400
Campolattaro BN 15 1072 34472
Jelsi CB 15 1781 36253
Riccia CB 15 5262 41515
Campochiaro CB 16 646 42161
Campobasso CB 16 49431 91592
Baranello CB 17 2673 94265
Campodipietra CB 17 2570 96835
San Polo Matese CB 17 470 97305
Casalduni BN 17 1378 98683
Cusano Mutri BN 17 4091 102774
Reino BN 18 1210 103984
San Lupo BN 18 801 104785
Colle d'Anchise CB 18 807 105592
Cerreto Sannita BN 18 3940 109532
Toro CB 19 1391 110923
Busso CB 19 1273 112196
Guardia Sanframondi BN 19 5078 117274
San Lorenzo Maggiore BN 19 2154 119428
Fragneto l'Abate BN 19 1049 120477
Fragneto Monforte BN 20 1840 122317
Bojano CB 20 8058 130375
San Lorenzello BN 20 2227 132602
San Giovanni in Galdo CB 20 580 133182

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Benevento (60091 inhabitants)
48 Km NE of Caserta (76326 inhabitants)
56 Km N of Avellino (54857 inhabitants)
59 Km NE of Acerra (59573 inhabitants)
63 Km NE of Afragola (65057 inhabitants)
64 Km NE of Aversa (53047 inhabitants)
65 Km W of San Severo (53905 inhabitants)
66 Km NE of Casoria (77642 inhabitants)
68 Km NE of Giugliano in Campania (122974 inhabitants)
71 Km NE of Marano di Napoli (59874 inhabitants)
71 Km NE of Portici (55274 inhabitants)
71 Km W of Foggia (151991 inhabitants)
73 Km NE of Ercolano (53709 inhabitants)
74 Km NE of Napoli (974074 inhabitants)
75 Km NE of Torre del Greco (86275 inhabitants)
75 Km N of Scafati (50787 inhabitants)
79 Km N of Cava de' Tirreni (53659 inhabitants)
81 Km NE of Pozzuoli (81661 inhabitants)
82 Km N of Castellammare di Stabia (66466 inhabitants)
82 Km N of Salerno (135261 inhabitants)
93 Km N 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 1997-03-23
05:47:26
41.415 14.69 14 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 263709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-03-23 05:47:26 ± 0.176
Latitude 41.4150 ± 0.0101
Longitude 14.6900 ± 0.0144
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 263709

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) 1647.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.00874
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 263709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:09:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1997-03-23T05:47:45.96 10.0 undecidable manual PN 151 0.9657 0.38 0.8
--.MRB1.Z. 1997-03-23T05:47:41.40 10.0 undecidable manual SG 144 0.3552 0.84 0.2
--.SDI.Z. 1997-03-23T05:47:41.00 10.0 undecidable manual PG 294 0.7215 -0.13 1.2
--.RMI2.Z. 1997-03-23T05:47:40.23 10.0 undecidable manual SG 243 0.3552 0.05 0.8
--.RFI.Z. 1997-03-23T05:47:39.00 10.0 undecidable manual PG 258 0.5439 1.18 0.1
--.CPI2.Z. 1997-03-23T05:47:38.63 10.0 undecidable manual SG 301 0.3219 -0.5 0.5
--.DUI.Z. 1997-03-23T05:47:38.20 10.0 undecidable manual SG 324 0.2997 -0.09 0.8
--.VTB1.Z. 1997-03-23T05:47:36.49 10.0 undecidable manual SG 190 0.2331 0.16 0.8
--.PSB1.Z. 1997-03-23T05:47:35.70 10.0 undecidable manual SG 154 0.2109 0.07 0.8
--.MRB1.Z. 1997-03-23T05:47:34.41 10.0 undecidable manual PG 144 0.3552 -0.06 1.9
--.DUI.Z. 1997-03-23T05:47:33.95 10.0 undecidable manual PG 324 0.2997 0.58 1
--.CPI2.Z. 1997-03-23T05:47:33.47 10.0 undecidable manual PG 301 0.3219 -0.38 1.5
--.RMI2.Z. 1997-03-23T05:47:33.65 10.0 undecidable manual PG 243 0.3552 -0.81 0.5
--.DSB1.Z. 1997-03-23T05:47:32.20 10.0 undecidable manual PG 120 0.2442 -0.3 1.7
--.PSB1.Z. 1997-03-23T05:47:31.55 10.0 undecidable manual PG 154 0.2109 -0.28 1.7
--.VTB1.Z. 1997-03-23T05:47:31.85 10.0 undecidable manual PG 190 0.2331 -0.39 1.5
--.SMB1.Z. 1997-03-23T05:47:31.96 10.0 undecidable manual SG 132 0.0222 0.49 0.5
--.SMB1.Z. 1997-03-23T05:47:29.15 10.0 undecidable manual PG 132 0.0222 -0.28 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
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