Earthquake with magnitude of Md 2.1 on date 07-05-1997 and time 17:46:34 (Italy) in region 3 km NE Gioia Sannitica (CE)

A magnitude Md 2.1 earthquake occured in region: 3 km NE Gioia Sannitica (CE), on

  • 07-05-1997 15:46:34 (UTC)
  • 07-05-1997 17:46:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3180, 14.4740 at 29 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
Gioia Sannitica CE 3 3638 3638
Cusano Mutri BN 4 4091 7729
Faicchio BN 4 3634 11363
San Potito Sannitico CE 7 1925 13288
Pietraroja BN 7 545 13833
San Lorenzello BN 7 2227 16060
Cerreto Sannita BN 8 3940 20000
San Salvatore Telesino BN 9 3999 23999
Piedimonte Matese CE 9 11297 35296
Castello del Matese CE 10 1494 36790
Puglianello BN 11 1349 38139
Castelvenere BN 11 2562 40701
San Gregorio Matese CE 11 988 41689
Alife CE 12 7616 49305
Telese Terme BN 12 7486 56791
Amorosi BN 13 2797 59588
Guardia Sanframondi BN 13 5078 64666
Ruviano CE 13 1655 66321
Alvignano CE 14 4824 71145
Guardiaregia CB 14 801 71946
Dragoni CE 15 2108 74054
San Lorenzo Maggiore BN 15 2154 76208
San Lupo BN 15 801 77009
Campochiaro CB 15 646 77655
Castel Campagnano CE 15 1581 79236
Solopaca BN 15 3820 83056
Sepino CB 16 1964 85020
San Polo Matese CB 16 470 85490
Morcone BN 16 4932 90422
Sassinoro BN 17 618 91040
Melizzano BN 18 1858 92898
Caiazzo CE 18 5595 98493
Frasso Telesino BN 18 2318 100811
Bojano CB 18 8058 108869
Sant'Angelo d'Alife CE 19 2270 111139
Pontelandolfo BN 19 2167 113306
Baia e Latina CE 19 2197 115503
Liberi CE 19 1153 116656
Casalduni BN 20 1378 118034

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Caserta (76326 inhabitants)
33 Km NW of Benevento (60091 inhabitants)
42 Km N of Acerra (59573 inhabitants)
44 Km NE of Aversa (53047 inhabitants)
46 Km N of Afragola (65057 inhabitants)
48 Km NE of Casoria (77642 inhabitants)
49 Km NE of Giugliano in Campania (122974 inhabitants)
52 Km NE of Marano di Napoli (59874 inhabitants)
52 Km NW of Avellino (54857 inhabitants)
56 Km N of Portici (55274 inhabitants)
56 Km NE of Napoli (974074 inhabitants)
58 Km N of Ercolano (53709 inhabitants)
60 Km N of Torre del Greco (86275 inhabitants)
61 Km NE of Pozzuoli (81661 inhabitants)
63 Km N of Scafati (50787 inhabitants)
69 Km N of Castellammare di Stabia (66466 inhabitants)
71 Km N of Cava de' Tirreni (53659 inhabitants)
75 Km NW of Salerno (135261 inhabitants)
86 Km W of San Severo (53905 inhabitants)
90 Km NW of Battipaglia (50786 inhabitants)
91 Km W of Foggia (151991 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 2.1 1997-05-07
15:46:34
41.318 14.474 29 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 267509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-05-07 15:46:34 ± 0.545
Latitude 41.3180 ± 0.0143
Longitude 14.4740 ± 0.0167
Depth (km) 29 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 267509

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) 2115.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00259
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 267509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:12:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CPI2.Z. 1997-05-07T15:46:48.36 10.0 undecidable manual SG 336 0.2886 0.02 0.6
--.VTB1.Z. 1997-05-07T15:46:46.51 10.0 undecidable manual SG 138 0.1665 0.71 0.1
--.SMB1.Z. 1997-05-07T15:46:45.86 10.0 undecidable manual SG 67 0.1998 -0.35 0.4
--.RMI2.Z. 1997-05-07T15:46:45.62 10.0 undecidable manual SG 247 0.1665 -0.04 0.7
--.CPI2.Z. 1997-05-07T15:46:43.18 10.0 undecidable manual PG 336 0.2886 0.49 0.6
--.SMB1.Z. 1997-05-07T15:46:41.50 10.0 undecidable manual PG 67 0.1998 -0.41 0.9
--.VTB1.Z. 1997-05-07T15:46:41.42 10.0 undecidable manual PG 138 0.1665 0.2 1.6
--.RMI2.Z. 1997-05-07T15:46:40.91 10.0 positive manual PG 247 0.1665 -0.23 3
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