Earthquake with magnitude of Md 2.2 on date 25-04-1997 and time 05:00:29 (Italy) in region 1 km N Sassinoro (BN)

A magnitude Md 2.2 earthquake occured in region: 1 km N Sassinoro (BN), on

  • 25-04-1997 03:00:29 (UTC)
  • 25-04-1997 05:00:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3880, 14.6660 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 1 618 618
Sepino CB 4 1964 2582
Morcone BN 5 4932 7514
Santa Croce del Sannio BN 6 927 8441
San Giuliano del Sannio CB 8 1029 9470
Cercepiccola CB 8 681 10151
Cercemaggiore CB 9 3777 13928
Pietraroja BN 11 545 14473
Pontelandolfo BN 11 2167 16640
Guardiaregia CB 12 801 17441
Castelpagano BN 12 1483 18924
Campolattaro BN 12 1072 19996
Circello BN 12 2388 22384
Vinchiaturo CB 14 3324 25708
Cusano Mutri BN 14 4091 29799
Colle Sannita BN 14 2431 32230
Casalduni BN 14 1378 33608
Mirabello Sannitico CB 14 2180 35788
San Lupo BN 14 801 36589
Cerreto Sannita BN 15 3940 40529
Campochiaro CB 15 646 41175
Gildone CB 15 809 41984
Guardia Sanframondi BN 16 5078 47062
San Lorenzo Maggiore BN 16 2154 49216
Ferrazzano CB 16 3344 52560
San Lorenzello BN 16 2227 54787
San Polo Matese CB 16 470 55257
Reino BN 17 1210 56467
Fragneto l'Abate BN 18 1049 57516
Fragneto Monforte BN 18 1840 59356
Baranello CB 18 2673 62029
Riccia CB 18 5262 67291
Jelsi CB 18 1781 69072
Colle d'Anchise CB 18 807 69879
Campobasso CB 19 49431 119310
Bojano CB 19 8058 127368
Ponte BN 20 2580 129948
Castelvenere BN 20 2562 132510
Faicchio BN 20 3634 136144

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Benevento (60091 inhabitants)
45 Km NE of Caserta (76326 inhabitants)
54 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)
64 Km NE of Giugliano in Campania (122974 inhabitants)
67 Km NE of Marano di Napoli (59874 inhabitants)
68 Km NE of Portici (55274 inhabitants)
68 Km SW of San Severo (53905 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)
74 Km W of Foggia (151991 inhabitants)
76 Km N of Cava de' Tirreni (53659 inhabitants)
77 Km NE of Pozzuoli (81661 inhabitants)
79 Km N of Castellammare di Stabia (66466 inhabitants)
79 Km N of Salerno (135261 inhabitants)
91 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 2.2 1997-04-25
03:00:29
41.388 14.666 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 266549
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-25 03:00:29 ± 0.312
Latitude 41.3880 ± 0.0280
Longitude 14.6660 ± 0.0560
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 266549

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) 5614.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.00639
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 266549
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:12:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1997-04-25T03:00:42.52 10.0 undecidable manual PG 296 0.7104 -1.54 0.3
--.DUI.Z. 1997-04-25T03:00:42.36 10.0 undecidable manual SG 330 0.3108 0.57 0.6
--.CI9.Z. 1997-04-25T03:00:42.18 10.0 undecidable manual PG 152 0.5883 0.43 1.3
--.RFI.Z. 1997-04-25T03:00:41.30 10.0 undecidable manual PG 260 0.5106 0.63 1.2
--.DUI.Z. 1997-04-25T03:00:37.36 10.0 undecidable manual PG 330 0.3108 0.79 1.3
--.SMB1.Z. 1997-04-25T03:00:32.86 10.0 undecidable manual SG 80 0.0333 0.27 0.8
--.SMB1.Z. 1997-04-25T03:00:30.56 10.0 undecidable manual PG 80 0.0333 -0.7 1.4
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