Earthquake with magnitude of Md 2.5 on date 17-05-1997 and time 23:25:45 (Italy) in region NW Sassinoro (BN)

A magnitude Md 2.5 earthquake occured in region: NW Sassinoro (BN), on

  • 17-05-1997 21:25:45 (UTC)
  • 17-05-1997 23:25:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3780, 14.6600 at 8 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 0 618 618
Morcone BN 4 4932 5550
Sepino CB 5 1964 7514
Santa Croce del Sannio BN 6 927 8441
San Giuliano del Sannio CB 9 1029 9470
Cercepiccola CB 9 681 10151
Pietraroja BN 10 545 10696
Pontelandolfo BN 10 2167 12863
Cercemaggiore CB 11 3777 16640
Campolattaro BN 12 1072 17712
Guardiaregia CB 12 801 18513
Castelpagano BN 13 1483 19996
Circello BN 13 2388 22384
San Lupo BN 13 801 23185
Casalduni BN 13 1378 24563
Cusano Mutri BN 13 4091 28654
Cerreto Sannita BN 14 3940 32594
Guardia Sanframondi BN 14 5078 37672
Vinchiaturo CB 14 3324 40996
San Lorenzo Maggiore BN 14 2154 43150
Colle Sannita BN 15 2431 45581
San Lorenzello BN 15 2227 47808
Campochiaro CB 15 646 48454
Mirabello Sannitico CB 15 2180 50634
Gildone CB 16 809 51443
Reino BN 17 1210 52653
San Polo Matese CB 17 470 53123
Fragneto Monforte BN 17 1840 54963
Fragneto l'Abate BN 17 1049 56012
Ferrazzano CB 17 3344 59356
Ponte BN 18 2580 61936
Castelvenere BN 18 2562 64498
Faicchio BN 19 3634 68132
Baranello CB 19 2673 70805
Colle d'Anchise CB 19 807 71612
Riccia CB 19 5262 76874
Jelsi CB 19 1781 78655
Bojano CB 20 8058 86713
Gioia Sannitica CE 20 3638 90351
Paupisi BN 20 1633 91984

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 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)
69 Km SW of San Severo (53905 inhabitants)
70 Km NE of Torre del Greco (86275 inhabitants)
71 Km N of Scafati (50787 inhabitants)
74 Km W of Foggia (151991 inhabitants)
75 Km N of Cava de' Tirreni (53659 inhabitants)
76 Km NE of Pozzuoli (81661 inhabitants)
77 Km N of Castellammare di Stabia (66466 inhabitants)
78 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 1997-05-17
21:25:45
41.378 14.66 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 269039
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-05-17 21:25:45 ± 0.398
Latitude 41.3780 ± 0.0157
Longitude 14.6600 ± 0.0512
Depth (km) 8 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 269039

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) 4610.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00040
Epicentral distance of station farthest from the epicenter (degree) 0.00283
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 269039
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:14:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.DUI.Z. 1997-05-17T21:26:00.00 10.0 undecidable manual SG 331 0.3108 1.72 0
--.PSB1.Z. 1997-05-17T21:25:53.91 10.0 undecidable manual SG 143 0.1887 0.3 0.8
--.VTB1.Z. 1997-05-17T21:25:53.61 10.0 undecidable manual SG 186 0.1887 -0.14 0.8
--.DUI.Z. 1997-05-17T21:25:52.27 10.0 undecidable manual PG 331 0.3108 -0.7 0.9
--.PSB1.Z. 1997-05-17T21:25:51.13 10.0 undecidable manual PG 143 0.1887 0.86 1
--.VTB1.Z. 1997-05-17T21:25:50.19 10.0 undecidable manual PG 186 0.1887 -0.17 2
--.SMB1.Z. 1997-05-17T21:25:48.86 10.0 undecidable manual SG 69 0.0444 -0.14 0.8
--.SMB1.Z. 1997-05-17T21:25:47.16 10.0 undecidable manual PG 69 0.0444 -0.46 1.7
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