Earthquake with magnitude of Md 2.2 on date 25-04-1997 and time 02:23:32 (Italy) in region 1 km SW Cercepiccola (CB)

A magnitude Md 2.2 earthquake occured in region: 1 km SW Cercepiccola (CB), on

  • 25-04-1997 00:23:32 (UTC)
  • 25-04-1997 02:23:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4530, 14.6640 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cercepiccola CB 1 681 681
San Giuliano del Sannio CB 2 1029 1710
Cercemaggiore CB 5 3777 5487
Sepino CB 6 1964 7451
Mirabello Sannitico CB 7 2180 9631
Vinchiaturo CB 8 3324 12955
Sassinoro BN 9 618 13573
Ferrazzano CB 9 3344 16917
Gildone CB 9 809 17726
Santa Croce del Sannio BN 9 927 18653
Guardiaregia CB 10 801 19454
Campobasso CB 12 49431 68885
Baranello CB 12 2673 71558
Morcone BN 12 4932 76490
Campochiaro CB 13 646 77136
Castelpagano BN 13 1483 78619
Jelsi CB 13 1781 80400
Colle d'Anchise CB 14 807 81207
Campodipietra CB 14 2570 83777
San Polo Matese CB 14 470 84247
Busso CB 14 1273 85520
Riccia CB 15 5262 90782
Pietraroja BN 15 545 91327
Toro CB 16 1391 92718
Circello BN 16 2388 95106
Oratino CB 16 1641 96747
Bojano CB 16 8058 104805
San Giovanni in Galdo CB 17 580 105385
Colle Sannita BN 17 2431 107816
Ripalimosani CB 18 3114 110930
Spinete CB 18 1320 112250
Cusano Mutri BN 18 4091 116341
Casalciprano CB 18 564 116905
Matrice CB 18 1115 118020
Pontelandolfo BN 18 2167 120187
Campolattaro BN 19 1072 121259

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Benevento (60091 inhabitants)
50 Km NE of Caserta (76326 inhabitants)
61 Km N of Avellino (54857 inhabitants)
61 Km NE of Acerra (59573 inhabitants)
65 Km W of San Severo (53905 inhabitants)
66 Km NE of Aversa (53047 inhabitants)
66 Km NE of Afragola (65057 inhabitants)
68 Km NE of Casoria (77642 inhabitants)
70 Km NE of Giugliano in Campania (122974 inhabitants)
73 Km NE of Marano di Napoli (59874 inhabitants)
73 Km W of Foggia (151991 inhabitants)
75 Km NE of Portici (55274 inhabitants)
76 Km NE of Napoli (974074 inhabitants)
76 Km NE of Ercolano (53709 inhabitants)
78 Km NE of Torre del Greco (86275 inhabitants)
79 Km N of Scafati (50787 inhabitants)
83 Km NE of Pozzuoli (81661 inhabitants)
84 Km N of Cava de' Tirreni (53659 inhabitants)
86 Km N of Castellammare di Stabia (66466 inhabitants)
86 Km N of Salerno (135261 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 2.2 1997-04-25
00:23:32
41.453 14.664 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 266529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-25 00:23:32 ± 0.266
Latitude 41.4530 ± 0.0230
Longitude 14.6640 ± 0.0276
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 266529

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) 3442.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00915
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 3
Type of magnitude Md
Reference to an origin 266529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:12:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CI9.Z. 1997-04-25T00:23:55.50 10.0 undecidable manual SG 155 0.6438 -0.01 0.6
--.SGO.Z. 1997-04-25T00:23:51.55 10.0 undecidable manual PG 151 1.0101 -1.1 0.4
--.CI9.Z. 1997-04-25T00:23:47.20 10.0 undecidable manual PG 155 0.6438 1.33 0.3
--.SDI.Z. 1997-04-25T00:23:46.43 10.0 undecidable manual PG 291 0.6882 -0.11 1.5
--.DUI.Z. 1997-04-25T00:23:43.70 10.0 undecidable manual SG 323 0.2553 0.84 0.3
--.RFI.Z. 1997-04-25T00:23:43.57 10.0 undecidable manual PG 253 0.5328 -0.09 1.7
--.FG5.Z. 1997-04-25T00:23:42.72 10.0 undecidable manual PG 110 0.4773 -0.06 1.7
--.DUI.Z. 1997-04-25T00:23:38.26 10.0 undecidable manual PG 323 0.2553 -0.3 1.5
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