Earthquake with magnitude of Md 2.1 on date 21-03-1997 and time 03:04:39 (UTC) in region 3 km S Sepino (CB)

A magnitude Md 2.1 earthquake occured in region: 3 km S Sepino (CB), on

  • 21-03-1997 03:04:39 (UTC)
  • 21-03-1997 04:04:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.3810, 14.6120 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
Sepino CB 3 1964 1964
Sassinoro BN 4 618 2582
Pietraroja BN 6 545 3127
Morcone BN 6 4932 8059
Guardiaregia CB 9 801 8860
San Giuliano del Sannio CB 9 1029 9889
Cusano Mutri BN 10 4091 13980
Cercepiccola CB 10 681 14661
Santa Croce del Sannio BN 10 927 15588
Campochiaro CB 12 646 16234
Cerreto Sannita BN 12 3940 20174
Pontelandolfo BN 12 2167 22341
Vinchiaturo CB 13 3324 25665
Cercemaggiore CB 13 3777 29442
San Lorenzello BN 13 2227 31669
San Polo Matese CB 13 470 32139
San Lupo BN 13 801 32940
Guardia Sanframondi BN 14 5078 38018
Campolattaro BN 14 1072 39090
San Lorenzo Maggiore BN 15 2154 41244
Casalduni BN 15 1378 42622
Faicchio BN 16 3634 46256
Mirabello Sannitico CB 16 2180 48436
Colle d'Anchise CB 16 807 49243
Bojano CB 16 8058 57301
Castelpagano BN 17 1483 58784
Gioia Sannitica CE 17 3638 62422
Circello BN 17 2388 64810
Baranello CB 17 2673 67483
Castelvenere BN 17 2562 70045
Ferrazzano CB 18 3344 73389
Gildone CB 18 809 74198
Colle Sannita BN 19 2431 76629
San Salvatore Telesino BN 19 3999 80628
San Potito Sannitico CE 19 1925 82553
Telese Terme BN 19 7486 90039
Castello del Matese CE 20 1494 91533
Fragneto Monforte BN 20 1840 93373
Ponte BN 20 2580 95953
Fragneto l'Abate BN 20 1049 97002
Busso CB 20 1273 98275

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Benevento (60091 inhabitants)
41 Km NE of Caserta (76326 inhabitants)
52 Km NE of Acerra (59573 inhabitants)
54 Km N of Avellino (54857 inhabitants)
57 Km NE of Aversa (53047 inhabitants)
57 Km NE of Afragola (65057 inhabitants)
59 Km NE of Casoria (77642 inhabitants)
61 Km NE of Giugliano in Campania (122974 inhabitants)
64 Km NE of Marano di Napoli (59874 inhabitants)
66 Km NE of Portici (55274 inhabitants)
67 Km NE of Napoli (974074 inhabitants)
67 Km NE of Ercolano (53709 inhabitants)
69 Km N of Torre del Greco (86275 inhabitants)
71 Km N of Scafati (50787 inhabitants)
73 Km W of San Severo (53905 inhabitants)
74 Km NE of Pozzuoli (81661 inhabitants)
76 Km N of Cava de' Tirreni (53659 inhabitants)
77 Km N of Castellammare di Stabia (66466 inhabitants)
78 Km W of Foggia (151991 inhabitants)
79 Km N of Salerno (135261 inhabitants)
91 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 1997-03-21
03:04:39
41.381 14.612 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 263059
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-03-21 03:04:39 ± 0.17
Latitude 41.3810 ± 0.0098
Longitude 14.6120 ± 0.0127
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 263059

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) 1520.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
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) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00607
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 263059
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:08:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1997-03-21T03:04:54.43 10.0 undecidable manual PG 299 0.6771 0.99 0.3
--.CPI2.Z. 1997-03-21T03:04:50.72 10.0 undecidable manual SG 313 0.2997 -0.08 0.8
--.RMI2.Z. 1997-03-21T03:04:49.59 10.0 undecidable manual SG 244 0.2886 -0.87 0.3
--.VTB1.Z. 1997-03-21T03:04:47.43 10.0 undecidable manual SG 176 0.1887 0.5 0.6
--.PSB1.Z. 1997-03-21T03:04:46.97 10.0 undecidable manual SG 136 0.2109 -0.69 0.4
--.DUI.Z. 1997-03-21T03:04:46.90 10.0 undecidable manual PG 337 0.2997 0.21 1.8
--.RMI2.Z. 1997-03-21T03:04:45.89 10.0 undecidable manual PG 244 0.2886 0.22 1.8
--.PSB1.Z. 1997-03-21T03:04:44.65 10.0 undecidable manual PG 136 0.2109 0.6 1.2
--.CPI2.Z. 1997-03-21T03:04:44.94 10.0 undecidable manual PG 313 0.2997 -0.92 0.6
--.VTB1.Z. 1997-03-21T03:04:43.23 10.0 undecidable manual PG 176 0.1887 -0.4 1.6
--.SMB1.Z. 1997-03-21T03:04:42.31 10.0 undecidable manual SG 80 0.0777 -0.39 0.7
--.SMB1.Z. 1997-03-21T03:04:41.90 10.0 undecidable manual PG 80 0.0777 -0.1 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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