Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.0 on date 09-04-1997 and time 19:35:41 (UTC) in region 2 km NW Sassinoro (BN)

A magnitude Md 2.0 earthquake occured in region: 2 km NW Sassinoro (BN), on

  • 09-04-1997 19:35:41 (UTC)
  • 09-04-1997 21:35:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3890, 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.

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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
Sassinoro BN 2 618 618
Sepino CB 3 1964 2582
Morcone BN 6 4932 7514
Santa Croce del Sannio BN 7 927 8441
San Giuliano del Sannio CB 8 1029 9470
Cercepiccola CB 8 681 10151
Pietraroja BN 9 545 10696
Cercemaggiore CB 10 3777 14473
Guardiaregia CB 10 801 15274
Pontelandolfo BN 12 2167 17441
Vinchiaturo CB 13 3324 20765
Cusano Mutri BN 13 4091 24856
Campolattaro BN 13 1072 25928
Castelpagano BN 13 1483 27411
Campochiaro CB 14 646 28057
Circello BN 14 2388 30445
Cerreto Sannita BN 14 3940 34385
San Lupo BN 14 801 35186
Mirabello Sannitico CB 14 2180 37366
Casalduni BN 15 1378 38744
San Polo Matese CB 15 470 39214
Guardia Sanframondi BN 15 5078 44292
San Lorenzo Maggiore BN 15 2154 46446
San Lorenzello BN 15 2227 48673
Gildone CB 16 809 49482
Colle Sannita BN 16 2431 51913
Ferrazzano CB 16 3344 55257
Baranello CB 17 2673 57930
Colle d'Anchise CB 17 807 58737
Reino BN 18 1210 59947
Bojano CB 18 8058 68005
Fragneto Monforte BN 18 1840 69845
Fragneto l'Abate BN 18 1049 70894
Faicchio BN 19 3634 74528
Campobasso CB 19 49431 123959
Jelsi CB 19 1781 125740
Castelvenere BN 19 2562 128302
Riccia CB 19 5262 133564
Gioia Sannitica CE 20 3638 137202
Ponte BN 20 2580 139782
Busso CB 20 1273 141055

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Benevento (60091 inhabitants)
44 Km NE of Caserta (76326 inhabitants)
54 Km N of Avellino (54857 inhabitants)
54 Km NE of Acerra (59573 inhabitants)
59 Km NE of Afragola (65057 inhabitants)
59 Km NE of Aversa (53047 inhabitants)
62 Km NE of Casoria (77642 inhabitants)
63 Km NE of Giugliano in Campania (122974 inhabitants)
67 Km NE of Marano di Napoli (59874 inhabitants)
67 Km NE of Portici (55274 inhabitants)
69 Km NE of Ercolano (53709 inhabitants)
69 Km W of San Severo (53905 inhabitants)
70 Km NE of Napoli (974074 inhabitants)
71 Km NE of Torre del Greco (86275 inhabitants)
72 Km N of Scafati (50787 inhabitants)
75 Km W of Foggia (151991 inhabitants)
76 Km NE of Pozzuoli (81661 inhabitants)
77 Km N of Cava de' Tirreni (53659 inhabitants)
78 Km N of Castellammare di Stabia (66466 inhabitants)
80 Km N of Salerno (135261 inhabitants)
91 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 2.0 1997-04-09
19:35:41		 41.389 14.65 10 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 265699
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-09 19:35:41 ± 0.188
Latitude 41.3890 ± 0.0200
Longitude 14.6500 ± 0.0252
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 265699

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) 3061.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
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 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 265699
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:11:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.RMI2.Z. 1997-04-09T19:35:54.70 10.0 undecidable manual SG 244 0.3108 0.52 0.3
--.PSB1.Z. 1997-04-09T19:35:51.16 10.0 undecidable manual SG 143 0.1998 0.66 0.2
--.VTB1.Z. 1997-04-09T19:35:49.60 10.0 undecidable manual SG 184 0.1998 -0.92 0.1
--.CPI2.Z. 1997-04-09T19:35:48.84 10.0 undecidable manual PG 308 0.3108 -0.09 1.7
--.RMI2.Z. 1997-04-09T19:35:48.89 10.0 undecidable manual PG 244 0.3108 -0.13 1.7
--.VTB1.Z. 1997-04-09T19:35:47.32 10.0 undecidable manual PG 184 0.1998 0.41 1.4
--.SMB1.Z. 1997-04-09T19:35:46.38 10.0 undecidable manual SG 84 0.0444 0.41 0.5
--.PSB1.Z. 1997-04-09T19:35:46.51 10.0 undecidable manual PG 143 0.1998 -0.38 1.4
--.SMB1.Z. 1997-04-09T19:35:43.95 10.0 undecidable manual PG 84 0.0444 -0.33 1.6
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