Earthquake with magnitude of Md 2.5 on date 02-04-1997 and time 09:00:26 (Italy) in region 3 km N Sassinoro (BN)

A magnitude Md 2.5 earthquake occured in region: 3 km N Sassinoro (BN), on

  • 02-04-1997 07:00:26 (UTC)
  • 02-04-1997 09:00:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4030, 14.6730 at 14 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 5 1964 2582
Santa Croce del Sannio BN 5 927 3509
Cercepiccola CB 6 681 4190
San Giuliano del Sannio CB 7 1029 5219
Morcone BN 7 4932 10151
Cercemaggiore CB 8 3777 13928
Castelpagano BN 11 1483 15411
Guardiaregia CB 12 801 16212
Pietraroja BN 12 545 16757
Vinchiaturo CB 12 3324 20081
Circello BN 13 2388 22469
Mirabello Sannitico CB 13 2180 24649
Pontelandolfo BN 13 2167 26816
Gildone CB 13 809 27625
Campolattaro BN 14 1072 28697
Colle Sannita BN 14 2431 31128
Ferrazzano CB 14 3344 34472
Campochiaro CB 15 646 35118
Cusano Mutri BN 15 4091 39209
Casalduni BN 16 1378 40587
San Lupo BN 16 801 41388
San Polo Matese CB 16 470 41858
Cerreto Sannita BN 16 3940 45798
Jelsi CB 17 1781 47579
Riccia CB 17 5262 52841
Baranello CB 17 2673 55514
San Lorenzo Maggiore BN 17 2154 57668
Campobasso CB 17 49431 107099
Guardia Sanframondi BN 17 5078 112177
Colle d'Anchise CB 18 807 112984
Reino BN 18 1210 114194
San Lorenzello BN 18 2227 116421
Campodipietra CB 18 2570 118991
Fragneto l'Abate BN 19 1049 120040
Fragneto Monforte BN 19 1840 121880
Bojano CB 19 8058 129938
Busso CB 19 1273 131211

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km N of Benevento (60091 inhabitants)
46 Km NE of Caserta (76326 inhabitants)
55 Km N of Avellino (54857 inhabitants)
57 Km NE of Acerra (59573 inhabitants)
61 Km NE of Afragola (65057 inhabitants)
62 Km NE of Aversa (53047 inhabitants)
64 Km NE of Casoria (77642 inhabitants)
66 Km NE of Giugliano in Campania (122974 inhabitants)
67 Km W of San Severo (53905 inhabitants)
69 Km NE of Marano di Napoli (59874 inhabitants)
70 Km NE of Portici (55274 inhabitants)
71 Km NE of Ercolano (53709 inhabitants)
72 Km NE of Napoli (974074 inhabitants)
73 Km W of Foggia (151991 inhabitants)
73 Km NE of Torre del Greco (86275 inhabitants)
74 Km N of Scafati (50787 inhabitants)
78 Km N of Cava de' Tirreni (53659 inhabitants)
79 Km NE of Pozzuoli (81661 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
Bulletin
Rev1000
Md 2.5 1997-04-02
07:00:26
41.403 14.673 14 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 264679
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-02 07:00:26 ± 0.256
Latitude 41.4030 ± 0.0199
Longitude 14.6730 ± 0.0185
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 264679

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) 2698.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.00866
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 264679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:10:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1997-04-02T07:00:45.49 10.0 undecidable manual PN 150 0.9657 0.58 0.6
--.RMI2.Z. 1997-04-02T07:00:39.67 10.0 undecidable manual SG 244 0.3441 0.61 0.4
--.CPI2.Z. 1997-04-02T07:00:38.35 10.0 undecidable manual SG 304 0.3108 -0.06 0.9
--.MRB1.Z. 1997-04-02T07:00:38.74 10.0 undecidable manual SG 141 0.3552 -0.78 0.3
--.DSB1.Z. 1997-04-02T07:00:35.77 10.0 undecidable manual SG 116 0.2553 -0.58 0.5
--.MRB1.Z. 1997-04-02T07:00:33.47 10.0 undecidable manual PG 141 0.3552 -0.35 1.7
--.CPI2.Z. 1997-04-02T07:00:33.50 10.0 undecidable manual PG 304 0.3108 -0.13 2.2
--.RMI2.Z. 1997-04-02T07:00:33.26 10.0 undecidable manual PG 244 0.3441 -0.29 1.9
--.DSB1.Z. 1997-04-02T07:00:32.80 10.0 undecidable manual PG 116 0.2553 0.81 0.7
--.SMB1.Z. 1997-04-02T07:00:31.62 10.0 undecidable manual SG 103 0.0222 0.67 0.4
--.SMB1.Z. 1997-04-02T07:00:28.42 10.0 undecidable manual PG 103 0.0222 -0.45 1.5
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