Earthquake with magnitude of Md 2.5 on date 29-04-1997 and time 14:18:54 (Italy) in region 4 km W Riccia (CB)

A magnitude Md 2.5 earthquake occured in region: 4 km W Riccia (CB), on

  • 29-04-1997 12:18:54 (UTC)
  • 29-04-1997 14:18:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4810, 14.7890 at 5 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 4 5262 5262
Jelsi CB 4 1781 7043
Gildone CB 5 809 7852
Cercemaggiore CB 6 3777 11629
Castelpagano BN 9 1483 13112
Campodipietra CB 9 2570 15682
Cercepiccola CB 10 681 16363
Mirabello Sannitico CB 10 2180 18543
Toro CB 11 1391 19934
Gambatesa CB 11 1464 21398
Santa Croce del Sannio BN 11 927 22325
Ferrazzano CB 11 3344 25669
San Giovanni in Galdo CB 13 580 26249
San Giuliano del Sannio CB 13 1029 27278
Tufara CB 13 925 28203
Pietracatella CB 13 1375 29578
Castelvetere in Val Fortore BN 14 1240 30818
Colle Sannita BN 14 2431 33249
Campobasso CB 14 49431 82680
Circello BN 14 2388 85068
Monacilioni CB 15 523 85591
Sassinoro BN 16 618 86209
Matrice CB 16 1115 87324
Macchia Valfortore CB 16 576 87900
Sepino CB 16 1964 89864
Vinchiaturo CB 17 3324 93188
Campolieto CB 17 839 94027
Sant'Elia a Pianisi CB 17 1818 95845
Ripalimosani CB 18 3114 98959
Baselice BN 18 2397 101356
Celenza Valfortore FG 18 1598 102954
Morcone BN 19 4932 107886
San Marco la Catola FG 19 1012 108898
Baranello CB 20 2673 111571

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)
59 Km NE of Caserta (76326 inhabitants)
63 Km N of Avellino (54857 inhabitants)
63 Km W of Foggia (151991 inhabitants)
69 Km NE of Acerra (59573 inhabitants)
74 Km NE of Afragola (65057 inhabitants)
75 Km NE of Aversa (53047 inhabitants)
76 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)
83 Km NE of Ercolano (53709 inhabitants)
84 Km NE of Napoli (974074 inhabitants)
84 Km N of Scafati (50787 inhabitants)
85 Km NE of Torre del Greco (86275 inhabitants)
87 Km N of Cava de' Tirreni (53659 inhabitants)
89 Km N of Salerno (135261 inhabitants)
91 Km N of Castellammare di Stabia (66466 inhabitants)
92 Km NE of Pozzuoli (81661 inhabitants)
96 Km W of Manfredonia (57279 inhabitants)
96 Km W of Cerignola (58396 inhabitants)
98 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 1997-04-29
12:18:54
41.481 14.789 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 266859
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-29 12:18:54 ± 0.367
Latitude 41.4810 ± 0.0060
Longitude 14.7890 ± 0.0299
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 266859

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) 2574.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 265
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00688
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 266859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:12:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.RFI.Z. 1997-04-29T12:19:17.28 10.0 undecidable manual SG 253 0.6216 -0.21 0.1
--.SDI.Z. 1997-04-29T12:19:10.31 10.0 undecidable manual PG 287 0.7659 0 1
--.RFI.Z. 1997-04-29T12:19:07.92 10.0 undecidable manual PG 253 0.6216 0.15 0.6
--.DUI.Z. 1997-04-29T12:19:06.71 10.0 undecidable manual SG 305 0.2997 0.34 0
--.DUI.Z. 1997-04-29T12:19:01.23 10.0 negative manual PG 305 0.2997 -0.12 2
--.SMB1.Z. 1997-04-29T12:18:58.66 10.0 undecidable manual SG 211 0.0999 -0.13 0.4
--.SMB1.Z. 1997-04-29T12:18:57.20 10.0 positive manual PG 211 0.0999 0.05 2.8
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