Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.2 on date 01-04-1997 and time 21:10:20 (Italy) in region 3 km W Santa Croce del Sannio (BN)

A magnitude Md 2.2 earthquake occured in region: 3 km W Santa Croce del Sannio (BN), on

  • 01-04-1997 19:10:20 (UTC)
  • 01-04-1997 21:10:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3840, 14.7020 at 15 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
Santa Croce del Sannio BN 3 927 927
Sassinoro BN 3 618 1545
Morcone BN 6 4932 6477
Sepino CB 7 1964 8441
Cercemaggiore CB 9 3777 12218
Cercepiccola CB 9 681 12899
Castelpagano BN 9 1483 14382
Circello BN 9 2388 16770
San Giuliano del Sannio CB 10 1029 17799
Pontelandolfo BN 11 2167 19966
Campolattaro BN 11 1072 21038
Colle Sannita BN 11 2431 23469
Pietraroja BN 13 545 24014
Casalduni BN 14 1378 25392
Reino BN 14 1210 26602
Gildone CB 14 809 27411
Guardiaregia CB 15 801 28212
San Lupo BN 15 801 29013
Mirabello Sannitico CB 15 2180 31193
Vinchiaturo CB 16 3324 34517
Fragneto l'Abate BN 16 1049 35566
San Lorenzo Maggiore BN 16 2154 37720
Fragneto Monforte BN 16 1840 39560
Riccia CB 16 5262 44822
Cerreto Sannita BN 16 3940 48762
Guardia Sanframondi BN 16 5078 53840
Ferrazzano CB 17 3344 57184
Cusano Mutri BN 17 4091 61275
Jelsi CB 17 1781 63056
San Marco dei Cavoti BN 17 3371 66427
Campochiaro CB 18 646 67073
San Lorenzello BN 18 2227 69300
Pesco Sannita BN 19 1972 71272
Ponte BN 19 2580 73852
San Polo Matese CB 19 470 74322
Campobasso CB 20 49431 123753
Baranello CB 20 2673 126426
Campodipietra CB 20 2570 128996

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of Benevento (60091 inhabitants)
46 Km NE of Caserta (76326 inhabitants)
53 Km N of Avellino (54857 inhabitants)
56 Km NE of Acerra (59573 inhabitants)
61 Km NE of Afragola (65057 inhabitants)
62 Km NE of Aversa (53047 inhabitants)
63 Km NE of Casoria (77642 inhabitants)
66 Km NE of Giugliano in Campania (122974 inhabitants)
66 Km SW of San Severo (53905 inhabitants)
69 Km NE of Portici (55274 inhabitants)
69 Km NE of Marano di Napoli (59874 inhabitants)
70 Km NE of Ercolano (53709 inhabitants)
71 Km W of Foggia (151991 inhabitants)
71 Km NE of Napoli (974074 inhabitants)
72 Km NE of Torre del Greco (86275 inhabitants)
72 Km N of Scafati (50787 inhabitants)
76 Km N of Cava de' Tirreni (53659 inhabitants)
79 Km NE of Pozzuoli (81661 inhabitants)
79 Km N of Salerno (135261 inhabitants)
79 Km N of Castellammare di Stabia (66466 inhabitants)
89 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 1997-04-01
19:10:20		 41.384 14.702 15 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 264659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-01 19:10:20 ± 0.356
Latitude 41.3840 ± 0.0225
Longitude 14.7020 ± 0.0310
Depth (km) 15 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 264659

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) 3598.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00008
Epicentral distance of station farthest from the epicenter (degree) 0.00316
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 264659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:10:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CPI2.Z. 1997-04-01T19:10:34.50 10.0 undecidable manual SG 305 0.3552 0.49 0.5
--.RMI2.Z. 1997-04-01T19:10:34.61 10.0 undecidable manual SG 248 0.3552 0.92 0.2
--.CPI2.Z. 1997-04-01T19:10:27.19 10.0 undecidable manual PG 305 0.3552 -0.74 0.7
--.DUI.Z. 1997-04-01T19:10:27.96 10.0 undecidable manual PG 326 0.3219 0.41 1.4
--.RMI2.Z. 1997-04-01T19:10:27.53 10.0 undecidable manual PG 248 0.3552 -0.48 1.2
--.PSB1.Z. 1997-04-01T19:10:27.32 10.0 undecidable manual SG 153 0.1776 -1.05 0.1
--.MRB1.Z. 1997-04-01T19:10:27.64 10.0 undecidable manual PG 142 0.3219 0.1 1.8
--.SMB1.Z. 1997-04-01T19:10:25.35 10.0 undecidable manual SG 48 0.0111 0.19 0.8
--.PSB1.Z. 1997-04-01T19:10:25.61 10.0 undecidable manual PG 153 0.1776 0.67 1
--.SMB1.Z. 1997-04-01T19:10:22.94 10.0 undecidable manual PG 48 0.0111 -0.15 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