Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.1 on date 01-02-1998 and time 01:00:17 (Italy) in region 2 km N Sassinoro (BN)

A magnitude Md 2.1 earthquake occured in region: 2 km N Sassinoro (BN), on

  • 01-02-1998 00:00:17 (UTC)
  • 01-02-1998 01:00:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.3960, 14.6640 at 12 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.

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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
Sepino CB 4 1964 2582
Santa Croce del Sannio BN 6 927 3509
Morcone BN 6 4932 8441
San Giuliano del Sannio CB 7 1029 9470
Cercepiccola CB 7 681 10151
Cercemaggiore CB 9 3777 13928
Pietraroja BN 11 545 14473
Guardiaregia CB 11 801 15274
Castelpagano BN 12 1483 16757
Pontelandolfo BN 12 2167 18924
Vinchiaturo CB 13 3324 22248
Circello BN 13 2388 24636
Campolattaro BN 13 1072 25708
Mirabello Sannitico CB 13 2180 27888
Gildone CB 14 809 28697
Campochiaro CB 14 646 29343
Cusano Mutri BN 14 4091 33434
Colle Sannita BN 15 2431 35865
Ferrazzano CB 15 3344 39209
San Lupo BN 15 801 40010
Casalduni BN 15 1378 41388
Cerreto Sannita BN 15 3940 45328
San Polo Matese CB 16 470 45798
Guardia Sanframondi BN 16 5078 50876
San Lorenzo Maggiore BN 16 2154 53030
San Lorenzello BN 17 2227 55257
Baranello CB 17 2673 57930
Colle d'Anchise CB 18 807 58737
Reino BN 18 1210 59947
Jelsi CB 18 1781 61728
Riccia CB 18 5262 66990
Campobasso CB 18 49431 116421
Fragneto l'Abate BN 18 1049 117470
Fragneto Monforte BN 19 1840 119310
Bojano CB 19 8058 127368
Campodipietra CB 19 2570 129938
Busso CB 20 1273 131211

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 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)
60 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 NE of Marano di Napoli (59874 inhabitants)
68 Km W of San Severo (53905 inhabitants)
69 Km NE of Portici (55274 inhabitants)
70 Km NE of Ercolano (53709 inhabitants)
71 Km NE of Napoli (974074 inhabitants)
72 Km NE of Torre del Greco (86275 inhabitants)
73 Km N of Scafati (50787 inhabitants)
74 Km W of Foggia (151991 inhabitants)
77 Km N of Cava de' Tirreni (53659 inhabitants)
78 Km NE of Pozzuoli (81661 inhabitants)
79 Km N of Castellammare di Stabia (66466 inhabitants)
80 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
Bulletin
Rev1000 		Md 2.1 1998-02-01
00:00:17		 41.396 14.664 12 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 321889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-02-01 00:00:17 ± 0.548
Latitude 41.3960 ± 0.0170
Longitude 14.6640 ± 0.0492
Depth (km) 12 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 321889

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) 4521.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.00283
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 321889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:01:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.VTB1.Z. 1998-02-01T00:00:26.51 10.0 undecidable manual SG 186 0.2109 0.64 0.2
--.BAI2.Z. 1998-02-01T00:00:24.10 10.0 undecidable manual SG 323 0.1332 0.42 0.4
--.CPI2.Z. 1998-02-01T00:00:23.80 10.0 undecidable manual PG 306 0.3108 -0.29 1.1
--.BAI2.Z. 1998-02-01T00:00:21.40 10.0 undecidable manual PG 323 0.1332 0.22 1.8
--.VTB1.Z. 1998-02-01T00:00:21.87 10.0 undecidable manual PG 186 0.2109 -0.27 1.3
--.MAB1.Z. 1998-02-01T00:00:21.40 10.0 undecidable manual PG 222 0.1776 -0.6 0.5
--.SMB1.Z. 1998-02-01T00:00:20.93 10.0 undecidable manual SG 92 0.0333 -0.32 0.6
--.SMB1.Z. 1998-02-01T00:00:19.47 10.0 undecidable manual PG 92 0.0333 0 2.1
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