Earthquake with magnitude of Md 2.5 on date 21-03-1997 and time 15:32:12 (UTC) in region 1 km W Sassinoro (BN)

A magnitude Md 2.5 earthquake occured in region: 1 km W Sassinoro (BN), on

  • 21-03-1997 15:32:12 (UTC)
  • 21-03-1997 16:32:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.3810, 14.6500 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 1 618 618
Sepino CB 4 1964 2582
Morcone BN 5 4932 7514
Santa Croce del Sannio BN 7 927 8441
San Giuliano del Sannio CB 9 1029 9470
Cercepiccola CB 9 681 10151
Pietraroja BN 9 545 10696
Pontelandolfo BN 11 2167 12863
Cercemaggiore CB 11 3777 16640
Guardiaregia CB 11 801 17441
Campolattaro BN 12 1072 18513
Cusano Mutri BN 13 4091 22604
Cerreto Sannita BN 13 3940 26544
San Lupo BN 13 801 27345
Castelpagano BN 13 1483 28828
Circello BN 14 2388 31216
Vinchiaturo CB 14 3324 34540
Casalduni BN 14 1378 35918
Campochiaro CB 14 646 36564
Guardia Sanframondi BN 14 5078 41642
San Lorenzo Maggiore BN 15 2154 43796
San Lorenzello BN 15 2227 46023
Mirabello Sannitico CB 15 2180 48203
Colle Sannita BN 15 2431 50634
San Polo Matese CB 16 470 51104
Gildone CB 16 809 51913
Ferrazzano CB 17 3344 55257
Reino BN 18 1210 56467
Fragneto l'Abate BN 18 1049 57516
Fragneto Monforte BN 18 1840 59356
Baranello CB 18 2673 62029
Colle d'Anchise CB 18 807 62836
Faicchio BN 18 3634 66470
Castelvenere BN 18 2562 69032
Bojano CB 19 8058 77090
Ponte BN 19 2580 79670
Gioia Sannitica CE 19 3638 83308
Riccia CB 20 5262 88570
Jelsi CB 20 1781 90351
Campobasso CB 20 49431 139782

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Benevento (60091 inhabitants)
43 Km NE of Caserta (76326 inhabitants)
53 Km N of Avellino (54857 inhabitants)
54 Km NE of Acerra (59573 inhabitants)
58 Km NE of Afragola (65057 inhabitants)
59 Km NE of Aversa (53047 inhabitants)
61 Km NE of Casoria (77642 inhabitants)
63 Km NE of Giugliano in Campania (122974 inhabitants)
66 Km NE of Marano di Napoli (59874 inhabitants)
67 Km NE of Portici (55274 inhabitants)
68 Km NE of Ercolano (53709 inhabitants)
69 Km NE of Napoli (974074 inhabitants)
70 Km SW of San Severo (53905 inhabitants)
70 Km NE of Torre del Greco (86275 inhabitants)
71 Km N of Scafati (50787 inhabitants)
75 Km W of Foggia (151991 inhabitants)
76 Km NE of Pozzuoli (81661 inhabitants)
76 Km N of Cava de' Tirreni (53659 inhabitants)
78 Km N of Castellammare di Stabia (66466 inhabitants)
79 Km N of Salerno (135261 inhabitants)
90 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 2.5 1997-03-21
15:32:12
41.381 14.65 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 263269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-03-21 15:32:12 ± 0.186
Latitude 41.3810 ± 0.0150
Longitude 14.6500 ± 0.0167
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 263269

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) 2173.3
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) 0.00040
Epicentral distance of station farthest from the epicenter (degree) 0.00858
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 263269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:09:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1997-03-21T15:32:31.45 10.0 undecidable manual PG 148 0.9546 -0.17 0.9
--.SDI.Z. 1997-03-21T15:32:28.27 10.0 undecidable manual PG 297 0.6993 1.32 0.1
--.CPI2.Z. 1997-03-21T15:32:24.99 10.0 undecidable manual SG 309 0.3108 0.05 0.7
--.RMI2.Z. 1997-03-21T15:32:24.89 10.0 undecidable manual SG 246 0.3108 0.07 0.7
--.PSB1.Z. 1997-03-21T15:32:21.80 10.0 undecidable manual SG 142 0.1998 0.79 0.3
--.RMI2.Z. 1997-03-21T15:32:19.25 10.0 undecidable manual PG 246 0.3108 -0.45 1.4
--.DUI.Z. 1997-03-21T15:32:19.36 10.0 undecidable manual PG 332 0.3108 -0.24 1.7
--.CPI2.Z. 1997-03-21T15:32:18.93 10.0 undecidable manual PG 309 0.3108 -0.84 0.6
--.DSB1.Z. 1997-03-21T15:32:18.63 10.0 undecidable manual PG 110 0.2553 -0.05 1.8
--.PSB1.Z. 1997-03-21T15:32:17.16 10.0 undecidable manual PG 142 0.1998 -0.35 1.5
--.SMB1.Z. 1997-03-21T15:32:17.70 10.0 undecidable manual SG 75 0.0444 0.34 0.6
--.SMB1.Z. 1997-03-21T15:32:14.74 10.0 undecidable manual PG 75 0.0444 -0.3 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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