Earthquake with magnitude of Md 3.0 on date 20-03-1997 and time 01:52:17 (UTC) in region 3 km N Sassinoro (BN)

A magnitude Md 3.0 earthquake occured in region: 3 km N Sassinoro (BN), on

  • 20-03-1997 01:52:17 (UTC)
  • 20-03-1997 02:52:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.4, 14.66 at 2 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
Sassinoro BN 3 618 618
Sepino CB 3 1964 2582
San Giuliano del Sannio CB 6 1029 3611
Santa Croce del Sannio BN 6 927 4538
Cercepiccola CB 7 681 5219
Morcone BN 7 4932 10151
Cercemaggiore CB 8 3777 13928
Guardiaregia CB 11 801 14729
Pietraroja BN 11 545 15274
Vinchiaturo CB 12 3324 18598
Castelpagano BN 12 1483 20081
Pontelandolfo BN 13 2167 22248
Mirabello Sannitico CB 13 2180 24428
Circello BN 13 2388 26816
Gildone CB 14 809 27625
Campochiaro CB 14 646 28271
Campolattaro BN 14 1072 29343
Ferrazzano CB 14 3344 32687
Cusano Mutri BN 14 4091 36778
Colle Sannita BN 15 2431 39209
San Polo Matese CB 15 470 39679
Cerreto Sannita BN 16 3940 43619
San Lupo BN 16 801 44420
Casalduni BN 16 1378 45798
Baranello CB 16 2673 48471
Guardia Sanframondi BN 17 5078 53549
Colle d'Anchise CB 17 807 54356
San Lorenzo Maggiore BN 17 2154 56510
San Lorenzello BN 17 2227 58737
Jelsi CB 17 1781 60518
Campobasso CB 17 49431 109949
Riccia CB 18 5262 115211
Bojano CB 18 8058 123269
Reino BN 18 1210 124479
Busso CB 19 1273 125752
Campodipietra CB 19 2570 128322
Fragneto l'Abate BN 19 1049 129371
Fragneto Monforte BN 19 1840 131211

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Benevento (60091 inhabitants)
45 Km NE of Caserta (76326 inhabitants)
55 Km N of Avellino (54857 inhabitants)
56 Km NE of Acerra (59573 inhabitants)
61 Km NE of Afragola (65057 inhabitants)
61 Km NE of Aversa (53047 inhabitants)
63 Km NE of Casoria (77642 inhabitants)
65 Km NE of Giugliano in Campania (122974 inhabitants)
68 Km W of San Severo (53905 inhabitants)
68 Km NE of Marano di Napoli (59874 inhabitants)
69 Km NE of Portici (55274 inhabitants)
71 Km NE of Ercolano (53709 inhabitants)
71 Km NE of Napoli (974074 inhabitants)
73 Km NE of Torre del Greco (86275 inhabitants)
74 Km N of Scafati (50787 inhabitants)
74 Km W of Foggia (151991 inhabitants)
78 Km NE of Pozzuoli (81661 inhabitants)
78 Km N of Cava de' Tirreni (53659 inhabitants)
80 Km N of Castellammare di Stabia (66466 inhabitants)
81 Km N of Salerno (135261 inhabitants)
92 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
Rev 1000 Md 3.0
ML-VAX 2.4
1997-03-20
01:52:17
41.4 14.66 2 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 262779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-03-20 01:52:17 ± 0.265
Latitude 41.40 ± 0.01
Longitude 14.66 ± 0.02
Depth (km) 2 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 262779

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) 1888.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.01587
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 9
Type of magnitude Md
Reference to an origin 262779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:08:36

ML:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 262779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PQ9.Z. 1997-03-20T01:52:57.00 10.0 undecidable manual SN 303 0.0101 0.38 0.5
--.FG3.Z. 1997-03-20T01:52:54.90 10.0 undecidable manual SG 71 0.0091 0.93 0.3
--.SGO.Z. 1997-03-20T01:52:52.00 10.0 undecidable manual SG 149 0.0087 0.05 0.6
--.MU9.Z. 1997-03-20T01:52:51.00 10.0 undecidable manual SG 135 0.008 1.6 0.1
--.MNS.Z. 1997-03-20T01:52:49.96 10.0 undecidable manual PN 304 0.0159 1.11 0.4
--.AQU.Z. 1997-03-20T01:52:44.38 10.0 undecidable manual PN 315 0.012 1.5 0.2
--.RDP.Z. 1997-03-20T01:52:44.61 10.0 undecidable manual PN 284 0.0134 -0.48 1
--.SL9.Z. 1997-03-20T01:52:42.13 10.0 undecidable manual PN 143 0.0113 0.4 1.1
--.PQ9.Z. 1997-03-20T01:52:39.64 10.0 undecidable manual PN 303 0.0101 -0.37 1.2
--.FG2.Z. 1997-03-20T01:52:38.00 10.0 undecidable manual SG 42 0.0049 -0.33 0.6
--.FG3.Z. 1997-03-20T01:52:36.97 10.0 undecidable manual PG 71 0.0091 -1.04 0.6
--.SGO.Z. 1997-03-20T01:52:36.97 10.0 undecidable manual PG 149 0.0087 -0.34 1.4
--.FG5.Z. 1997-03-20T01:52:35.81 10.0 undecidable manual SG 104 0.0042 0.3 0.6
--.MU9.Z. 1997-03-20T01:52:35.29 10.0 undecidable manual PG 135 0.008 -0.55 1.2
--.CA9.Z. 1997-03-20T01:52:34.24 10.0 undecidable manual PG 130 0.0069 0.65 1.2
--.FG4.Z. 1997-03-20T01:52:31.31 10.0 undecidable manual PG 112 0.0062 -0.9 0.9
--.SDI.Z. 1997-03-20T01:52:30.50 10.0 undecidable manual PG 296 0.0063 -1.83 0.1
--.DUI.Z. 1997-03-20T01:52:29.50 10.0 undecidable manual SG 329 0.0027 0.69 0.5
--.CI9.Z. 1997-03-20T01:52:29.91 10.0 undecidable manual PG 152 0.0054 -0.59 1.3
--.FG2.Z. 1997-03-20T01:52:29.00 10.0 positive manual PG 42 0.0049 -0.45 2.9
--.FG5.Z. 1997-03-20T01:52:27.64 10.0 undecidable manual PG 104 0.0042 -0.18 1.7
--.DSB1.Z. 1997-03-20T01:52:27.87 10.0 undecidable manual SG 115 0.0023 0.34 0.6
--.DUI.Z. 1997-03-20T01:52:25.00 10.0 undecidable manual PG 329 0.0027 1.05 0.7
--.PSB1.Z. 1997-03-20T01:52:25.00 10.0 undecidable manual SG 147 0.0019 -0.52 0.5
--.DSB1.Z. 1997-03-20T01:52:24.13 10.0 undecidable manual PG 115 0.0023 0.91 0.9
--.VTB1.Z. 1997-03-20T01:52:22.00 10.0 positive manual PG 185 0.0019 -0.23 3.3
--.PSB1.Z. 1997-03-20T01:52:22.60 10.0 positive manual PG 147 0.0019 0.54 2.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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