Earthquake with magnitude of Md 2.2 on date 25-04-1997 and time 19:22:36 (Italy) in region 5 km S Cercepiccola (CB)

A magnitude Md 2.2 earthquake occured in region: 5 km S Cercepiccola (CB), on

  • 25-04-1997 17:22:36 (UTC)
  • 25-04-1997 19:22:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4190, 14.6840 at 7 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 5 681 681
Sassinoro BN 5 618 1299
Santa Croce del Sannio BN 5 927 2226
Sepino CB 6 1964 4190
San Giuliano del Sannio CB 6 1029 5219
Cercemaggiore CB 6 3777 8996
Morcone BN 9 4932 13928
Castelpagano BN 10 1483 15411
Mirabello Sannitico CB 11 2180 17591
Gildone CB 11 809 18400
Vinchiaturo CB 12 3324 21724
Guardiaregia CB 12 801 22525
Circello BN 13 2388 24913
Ferrazzano CB 13 3344 28257
Pietraroja BN 14 545 28802
Colle Sannita BN 14 2431 31233
Pontelandolfo BN 14 2167 33400
Jelsi CB 15 1781 35181
Riccia CB 15 5262 40443
Campolattaro BN 15 1072 41515
Campochiaro CB 15 646 42161
Campobasso CB 16 49431 91592
Baranello CB 16 2673 94265
Campodipietra CB 16 2570 96835
San Polo Matese CB 16 470 97305
Colle d'Anchise CB 17 807 98112
Cusano Mutri BN 17 4091 102203
Casalduni BN 18 1378 103581
San Lupo BN 18 801 104382
Reino BN 18 1210 105592
Busso CB 18 1273 106865
Cerreto Sannita BN 18 3940 110805
Toro CB 19 1391 112196
Bojano CB 19 8058 120254
Guardia Sanframondi BN 19 5078 125332
San Lorenzo Maggiore BN 19 2154 127486
San Giovanni in Galdo CB 20 580 128066
San Lorenzello BN 20 2227 130293
Fragneto l'Abate BN 20 1049 131342

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Benevento (60091 inhabitants)
48 Km NE of Caserta (76326 inhabitants)
57 Km N of Avellino (54857 inhabitants)
59 Km NE of Acerra (59573 inhabitants)
63 Km NE of Afragola (65057 inhabitants)
64 Km NE of Aversa (53047 inhabitants)
65 Km W of San Severo (53905 inhabitants)
66 Km NE of Casoria (77642 inhabitants)
68 Km NE of Giugliano in Campania (122974 inhabitants)
71 Km NE of Marano di Napoli (59874 inhabitants)
72 Km NE of Portici (55274 inhabitants)
72 Km W of Foggia (151991 inhabitants)
73 Km NE of Ercolano (53709 inhabitants)
74 Km NE of Napoli (974074 inhabitants)
75 Km NE of Torre del Greco (86275 inhabitants)
76 Km N of Scafati (50787 inhabitants)
80 Km N of Cava de' Tirreni (53659 inhabitants)
81 Km NE of Pozzuoli (81661 inhabitants)
82 Km N of Castellammare di Stabia (66466 inhabitants)
83 Km N of Salerno (135261 inhabitants)
94 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
17:22:36
41.419 14.684 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 266639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-25 17:22:36 ± 0.21
Latitude 41.4190 ± 0.0221
Longitude 14.6840 ± 0.0316
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 266639

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) 3604.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
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) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.00639
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 266639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:12:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1997-04-25T17:23:01.00 10.0 undecidable manual SG 294 0.7104 -0.67 0.1
--.CI9.Z. 1997-04-25T17:22:58.55 10.0 undecidable manual SG 155 0.6105 0.14 0.6
--.SDI.Z. 1997-04-25T17:22:51.60 10.0 undecidable manual PG 294 0.7104 0.12 1.3
--.CI9.Z. 1997-04-25T17:22:48.95 10.0 undecidable manual PG 155 0.6105 -0.11 1.5
--.RFI.Z. 1997-04-25T17:22:47.74 10.0 undecidable manual PG 257 0.5328 0.08 1.6
--.DUI.Z. 1997-04-25T17:22:43.38 10.0 undecidable manual PG 324 0.2886 0.41 1
--.SMB1.Z. 1997-04-25T17:22:39.65 10.0 undecidable manual SG 133 0.0222 0.5 0.5
--.SMB1.Z. 1997-04-25T17:22:37.40 10.0 negative manual PG 133 0.0222 -0.54 1.4
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