Earthquake with magnitude of Md 2.1 on date 23-03-1997 and time 02:07:47 (Italy) in region 2 km SW Sepino (CB)

A magnitude Md 2.1 earthquake occured in region: 2 km SW Sepino (CB), on

  • 23-03-1997 01:07:47 (UTC)
  • 23-03-1997 02:07:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.3940, 14.6120 at 6 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
Sassinoro BN 5 618 2582
Pietraroja BN 7 545 3127
Morcone BN 7 4932 8059
San Giuliano del Sannio CB 7 1029 9088
Guardiaregia CB 8 801 9889
Cercepiccola CB 9 681 10570
Santa Croce del Sannio BN 10 927 11497
Cusano Mutri BN 11 4091 15588
Campochiaro CB 11 646 16234
Vinchiaturo CB 11 3324 19558
Cercemaggiore CB 12 3777 23335
San Polo Matese CB 12 470 23805
Cerreto Sannita BN 13 3940 27745
Pontelandolfo BN 13 2167 29912
San Lorenzello BN 14 2227 32139
Mirabello Sannitico CB 15 2180 34319
San Lupo BN 15 801 35120
Colle d'Anchise CB 15 807 35927
Guardia Sanframondi BN 15 5078 41005
Bojano CB 15 8058 49063
Campolattaro BN 15 1072 50135
Baranello CB 16 2673 52808
San Lorenzo Maggiore BN 16 2154 54962
Ferrazzano CB 16 3344 58306
Castelpagano BN 16 1483 59789
Casalduni BN 16 1378 61167
Gildone CB 17 809 61976
Faicchio BN 17 3634 65610
Circello BN 17 2388 67998
Gioia Sannitica CE 17 3638 71636
Busso CB 18 1273 72909
Castelvenere BN 18 2562 75471
Campobasso CB 19 49431 124902
Colle Sannita BN 19 2431 127333
San Potito Sannitico CE 19 1925 129258
Spinete CB 20 1320 130578
Castello del Matese CE 20 1494 132072
San Salvatore Telesino BN 20 3999 136071

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of Benevento (60091 inhabitants)
42 Km NE of Caserta (76326 inhabitants)
54 Km NE of Acerra (59573 inhabitants)
55 Km N of Avellino (54857 inhabitants)
58 Km NE of Aversa (53047 inhabitants)
58 Km NE of Afragola (65057 inhabitants)
61 Km NE of Casoria (77642 inhabitants)
62 Km NE of Giugliano in Campania (122974 inhabitants)
65 Km NE of Marano di Napoli (59874 inhabitants)
67 Km NE of Portici (55274 inhabitants)
69 Km NE of Napoli (974074 inhabitants)
69 Km NE of Ercolano (53709 inhabitants)
71 Km N of Torre del Greco (86275 inhabitants)
72 Km W of San Severo (53905 inhabitants)
72 Km N of Scafati (50787 inhabitants)
75 Km NE of Pozzuoli (81661 inhabitants)
77 Km N of Cava de' Tirreni (53659 inhabitants)
78 Km W of Foggia (151991 inhabitants)
78 Km N of Castellammare di Stabia (66466 inhabitants)
80 Km N of Salerno (135261 inhabitants)
93 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 2.1 1997-03-23
01:07:47
41.394 14.612 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 263629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-03-23 01:07:47 ± 0.123
Latitude 41.3940 ± 0.0077
Longitude 14.6120 ± 0.0107
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 263629

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) 1239.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00882
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 263629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:09:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1997-03-23T01:08:07.84 10.0 undecidable manual PG 147 0.9768 0.23 0.8
--.RMI2.Z. 1997-03-23T01:08:00.13 10.0 undecidable manual SG 241 0.2997 0.77 0.1
--.DUI.Z. 1997-03-23T01:07:59.56 10.0 undecidable manual SG 336 0.2886 0.53 0.2
--.RFI.Z. 1997-03-23T01:07:58.22 10.0 undecidable manual PG 259 0.4773 -0.02 1.6
--.CPI2.Z. 1997-03-23T01:07:58.80 10.0 undecidable manual SG 311 0.2886 -0.32 0.5
--.PSB1.Z. 1997-03-23T01:07:57.15 10.0 undecidable manual SG 138 0.222 0.45 0.3
--.VTB1.Z. 1997-03-23T01:07:55.56 10.0 undecidable manual SG 176 0.2109 -0.54 0.2
--.DUI.Z. 1997-03-23T01:07:54.33 10.0 undecidable manual PG 336 0.2886 0.07 2.1
--.RMI2.Z. 1997-03-23T01:07:54.70 10.0 undecidable manual PG 241 0.2997 0.25 1.6
--.CPI2.Z. 1997-03-23T01:07:53.84 10.0 undecidable manual PG 311 0.2886 -0.47 0.8
--.PSB1.Z. 1997-03-23T01:07:52.90 10.0 undecidable manual PG 138 0.222 -0.01 2.1
--.VTB1.Z. 1997-03-23T01:07:52.80 10.0 undecidable manual PG 176 0.2109 -0.49 0.7
--.SMB1.Z. 1997-03-23T01:07:51.38 10.0 undecidable manual SG 89 0.0666 0 0.8
--.SMB1.Z. 1997-03-23T01:07:49.99 10.0 undecidable manual PG 89 0.0666 0.15 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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