Earthquake with magnitude of Md 2.5 on date 16-03-1997 and time 15:22:41 (Italy) in region 3 km W Riccia (CB)

A magnitude Md 2.5 earthquake occured in region: 3 km W Riccia (CB), on

  • 16-03-1997 14:22:41 (UTC)
  • 16-03-1997 15:22:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.4850, 14.7960 at 11 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
Riccia CB 3 5262 5262
Jelsi CB 4 1781 7043
Gildone CB 5 809 7852
Cercemaggiore CB 7 3777 11629
Castelpagano BN 9 1483 13112
Campodipietra CB 9 2570 15682
Gambatesa CB 10 1464 17146
Toro CB 10 1391 18537
Mirabello Sannitico CB 11 2180 20717
Cercepiccola CB 11 681 21398
Ferrazzano CB 12 3344 24742
Santa Croce del Sannio BN 12 927 25669
San Giovanni in Galdo CB 12 580 26249
Tufara CB 13 925 27174
Pietracatella CB 13 1375 28549
Castelvetere in Val Fortore BN 13 1240 29789
San Giuliano del Sannio CB 13 1029 30818
Colle Sannita BN 14 2431 33249
Campobasso CB 14 49431 82680
Monacilioni CB 14 523 83203
Circello BN 14 2388 85591
Macchia Valfortore CB 16 576 86167
Matrice CB 16 1115 87282
Sassinoro BN 16 618 87900
Sant'Elia a Pianisi CB 17 1818 89718
Sepino CB 17 1964 91682
Campolieto CB 17 839 92521
Vinchiaturo CB 17 3324 95845
Celenza Valfortore FG 18 1598 97443
Baselice BN 18 2397 99840
Ripalimosani CB 18 3114 102954
San Marco la Catola FG 18 1012 103966
Carlantino FG 19 980 104946
Morcone BN 19 4932 109878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Benevento (60091 inhabitants)
54 Km W of San Severo (53905 inhabitants)
60 Km NE of Caserta (76326 inhabitants)
62 Km W of Foggia (151991 inhabitants)
63 Km N of Avellino (54857 inhabitants)
70 Km NE of Acerra (59573 inhabitants)
75 Km NE of Afragola (65057 inhabitants)
75 Km NE of Aversa (53047 inhabitants)
77 Km NE of Casoria (77642 inhabitants)
79 Km NE of Giugliano in Campania (122974 inhabitants)
82 Km NE of Portici (55274 inhabitants)
82 Km NE of Marano di Napoli (59874 inhabitants)
84 Km NE of Ercolano (53709 inhabitants)
85 Km NE of Napoli (974074 inhabitants)
85 Km N of Scafati (50787 inhabitants)
86 Km NE of Torre del Greco (86275 inhabitants)
87 Km N of Cava de' Tirreni (53659 inhabitants)
90 Km N of Salerno (135261 inhabitants)
92 Km N of Castellammare di Stabia (66466 inhabitants)
92 Km NE of Pozzuoli (81661 inhabitants)
95 Km W of Manfredonia (57279 inhabitants)
96 Km W of Cerignola (58396 inhabitants)
99 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 2.5
ML-VAX 1.8
1997-03-16
14:22:41
41.485 14.796 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 262589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-03-16 14:22:41 ± 0.198
Latitude 41.4850 ± 0.0119
Longitude 14.7960 ± 0.0180
Depth (km) 11 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 262589

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) 1998.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00801
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 262589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:08:26

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 262589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.RMI2.Z. 1997-03-16T14:22:59.56 10.0 undecidable manual SG 239 0.4551 0.96 0.2
--.MU9.Z. 1997-03-16T14:22:59.94 10.0 undecidable manual PG 143 0.888 0.48 0.8
--.FG3.Z. 1997-03-16T14:22:59.53 10.0 undecidable manual PG 75 0.8769 0.1 1
--.SDI.Z. 1997-03-16T14:22:57.80 10.0 undecidable manual PG 287 0.7659 -0.13 1.1
--.RFI.Z. 1997-03-16T14:22:56.15 10.0 undecidable manual PG 253 0.6327 1.44 0.1
--.FG2.Z. 1997-03-16T14:22:56.94 10.0 undecidable manual SG 40 0.4107 -0.29 0.6
--.CI9.Z. 1997-03-16T14:22:54.59 10.0 undecidable manual PG 164 0.6327 -0.34 1.1
--.VTB1.Z. 1997-03-16T14:22:53.90 10.0 undecidable manual SG 202 0.3219 -0.33 0.5
--.PSB1.Z. 1997-03-16T14:22:51.84 10.0 undecidable manual SG 177 0.2553 -0.34 0.5
--.RMI2.Z. 1997-03-16T14:22:51.54 10.0 undecidable manual PG 239 0.4551 0.03 1.6
--.FG2.Z. 1997-03-16T14:22:50.82 10.0 undecidable manual PG 40 0.4107 0.1 1.6
--.VTB1.Z. 1997-03-16T14:22:48.36 10.0 undecidable manual PG 202 0.3219 -0.63 0.9
--.CPI2.Z. 1997-03-16T14:22:48.72 10.0 undecidable manual PG 285 0.3663 -1.09 0.3
--.DSB1.Z. 1997-03-16T14:22:48.13 10.0 undecidable manual PG 145 0.2331 0.73 0.7
--.PSB1.Z. 1997-03-16T14:22:47.36 10.0 positive manual PG 177 0.2553 -0.45 2.4
--.SMB1.Z. 1997-03-16T14:22:47.27 10.0 undecidable manual SG 212 0.0999 -0.16 0.6
--.SMB1.Z. 1997-03-16T14:22:45.22 10.0 positive manual PG 212 0.0999 0.16 3.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download