Earthquake with magnitude of Md 1.9 on date 20-03-1997 and time 22:12:41 (Italy) in region 2 km NE Sassinoro (BN)

A magnitude Md 1.9 earthquake occured in region: 2 km NE Sassinoro (BN), on

  • 20-03-1997 21:12:41 (UTC)
  • 20-03-1997 22:12:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.3850, 14.6790 at 10 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 2 618 618
Santa Croce del Sannio BN 5 927 1545
Morcone BN 5 4932 6477
Sepino CB 6 1964 8441
Cercepiccola CB 8 681 9122
San Giuliano del Sannio CB 9 1029 10151
Cercemaggiore CB 9 3777 13928
Pontelandolfo BN 11 2167 16095
Castelpagano BN 11 1483 17578
Circello BN 11 2388 19966
Pietraroja BN 12 545 20511
Campolattaro BN 12 1072 21583
Guardiaregia CB 13 801 22384
Colle Sannita BN 13 2431 24815
Casalduni BN 14 1378 26193
San Lupo BN 14 801 26994
Vinchiaturo CB 14 3324 30318
Mirabello Sannitico CB 15 2180 32498
Gildone CB 15 809 33307
Cusano Mutri BN 15 4091 37398
Cerreto Sannita BN 15 3940 41338
San Lorenzo Maggiore BN 16 2154 43492
Guardia Sanframondi BN 16 5078 48570
Reino BN 16 1210 49780
Campochiaro CB 16 646 50426
Ferrazzano CB 16 3344 53770
San Lorenzello BN 17 2227 55997
Fragneto l'Abate BN 17 1049 57046
Fragneto Monforte BN 17 1840 58886
Riccia CB 17 5262 64148
San Polo Matese CB 18 470 64618
Jelsi CB 18 1781 66399
Baranello CB 19 2673 69072
San Marco dei Cavoti BN 19 3371 72443
Ponte BN 19 2580 75023
Colle d'Anchise CB 19 807 75830
Campobasso CB 19 49431 125261
Castelvenere BN 20 2562 127823
Pesco Sannita BN 20 1972 129795

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Benevento (60091 inhabitants)
45 Km NE of Caserta (76326 inhabitants)
53 Km N of Avellino (54857 inhabitants)
55 Km NE of Acerra (59573 inhabitants)
60 Km NE of Afragola (65057 inhabitants)
60 Km NE of Aversa (53047 inhabitants)
62 Km NE of Casoria (77642 inhabitants)
65 Km NE of Giugliano in Campania (122974 inhabitants)
67 Km SW of San Severo (53905 inhabitants)
68 Km NE of Marano di Napoli (59874 inhabitants)
68 Km NE of Portici (55274 inhabitants)
70 Km NE of Ercolano (53709 inhabitants)
70 Km NE of Napoli (974074 inhabitants)
71 Km NE of Torre del Greco (86275 inhabitants)
72 Km N of Scafati (50787 inhabitants)
73 Km W of Foggia (151991 inhabitants)
76 Km N of Cava de' Tirreni (53659 inhabitants)
77 Km NE of Pozzuoli (81661 inhabitants)
78 Km N of Castellammare di Stabia (66466 inhabitants)
79 Km N of Salerno (135261 inhabitants)
90 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 1.9 1997-03-20
21:12:41
41.385 14.679 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 263009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-03-20 21:12:41 ± 0.311
Latitude 41.3850 ± 0.0132
Longitude 14.6790 ± 0.0357
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 263009

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) 3322.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.00300
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 263009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:08:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.VTB1.Z. 1997-03-20T21:12:50.93 10.0 undecidable manual SG 190 0.1998 0.47 0.3
--.RMI2.Z. 1997-03-20T21:12:49.29 10.0 undecidable manual PG 247 0.333 -0.05 1.5
--.PSB1.Z. 1997-03-20T21:12:49.32 10.0 undecidable manual SG 148 0.1887 -0.59 0.2
--.PSB1.Z. 1997-03-20T21:12:47.10 10.0 undecidable manual PG 148 0.1887 0.48 0.8
--.VTB1.Z. 1997-03-20T21:12:46.55 10.0 undecidable manual PG 190 0.1998 -0.3 1.4
--.SMB1.Z. 1997-03-20T21:12:45.18 10.0 undecidable manual SG 71 0.0222 -0.25 0.7
--.SMB1.Z. 1997-03-20T21:12:44.40 10.0 undecidable manual PG 71 0.0222 0.09 2.2
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