Earthquake with magnitude of Md 2.3 on date 27-04-1997 and time 04:28:01 (Italy) in region 3 km S Cercemaggiore (CB)

A magnitude Md 2.3 earthquake occured in region: 3 km S Cercemaggiore (CB), on

  • 27-04-1997 02:28:01 (UTC)
  • 27-04-1997 04:28:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4380, 14.7180 at 8 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
Cercemaggiore CB 3 3777 3777
Cercepiccola CB 5 681 4458
Santa Croce del Sannio BN 6 927 5385
San Giuliano del Sannio CB 7 1029 6414
Gildone CB 8 809 7223
Sassinoro BN 8 618 7841
Castelpagano BN 8 1483 9324
Sepino CB 9 1964 11288
Mirabello Sannitico CB 10 2180 13468
Ferrazzano CB 11 3344 16812
Jelsi CB 11 1781 18593
Riccia CB 11 5262 23855
Morcone BN 12 4932 28787
Circello BN 12 2388 31175
Colle Sannita BN 13 2431 33606
Vinchiaturo CB 13 3324 36930
Campodipietra CB 14 2570 39500
Campobasso CB 14 49431 88931
Guardiaregia CB 15 801 89732
Toro CB 16 1391 91123
Baranello CB 16 2673 93796
Campolattaro BN 17 1072 94868
Pontelandolfo BN 17 2167 97035
San Giovanni in Galdo CB 17 580 97615
Pietraroja BN 17 545 98160
Campochiaro CB 18 646 98806
Gambatesa CB 18 1464 100270
Reino BN 18 1210 101480
Colle d'Anchise CB 18 807 102287
Busso CB 18 1273 103560
San Polo Matese CB 19 470 104030
Castelvetere in Val Fortore BN 19 1240 105270
Matrice CB 20 1115 106385
Casalduni BN 20 1378 107763
Tufara CB 20 925 108688
Oratino CB 20 1641 110329
Ripalimosani CB 20 3114 113443
San Marco dei Cavoti BN 20 3371 116814

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Benevento (60091 inhabitants)
52 Km NE of Caserta (76326 inhabitants)
59 Km N of Avellino (54857 inhabitants)
62 Km W of San Severo (53905 inhabitants)
62 Km NE of Acerra (59573 inhabitants)
67 Km NE of Afragola (65057 inhabitants)
67 Km NE of Aversa (53047 inhabitants)
69 Km W of Foggia (151991 inhabitants)
69 Km NE of Casoria (77642 inhabitants)
71 Km NE of Giugliano in Campania (122974 inhabitants)
74 Km NE of Marano di Napoli (59874 inhabitants)
75 Km NE of Portici (55274 inhabitants)
76 Km NE of Ercolano (53709 inhabitants)
77 Km NE of Napoli (974074 inhabitants)
78 Km NE of Torre del Greco (86275 inhabitants)
78 Km N of Scafati (50787 inhabitants)
82 Km N of Cava de' Tirreni (53659 inhabitants)
84 Km NE of Pozzuoli (81661 inhabitants)
84 Km N of Salerno (135261 inhabitants)
85 Km N of Castellammare di Stabia (66466 inhabitants)
95 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 2.3 1997-04-27
02:28:01
41.438 14.718 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 266769
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-04-27 02:28:01 ± 0.251
Latitude 41.4380 ± 0.0170
Longitude 14.7180 ± 0.0297
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 266769

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) 3116.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.00882
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 266769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:12:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1997-04-27T02:28:28.83 10.0 undecidable manual SG 292 0.7326 1.22 0.1
--.CI9.Z. 1997-04-27T02:28:24.26 10.0 undecidable manual SG 158 0.6216 0.16 0.5
--.SGO.Z. 1997-04-27T02:28:20.48 10.0 undecidable manual PG 152 0.9768 -0.93 0.6
--.CI9.Z. 1997-04-27T02:28:15.22 10.0 undecidable manual PG 158 0.6216 0.54 0.9
--.SDI.Z. 1997-04-27T02:28:14.91 10.0 undecidable manual PG 292 0.7326 -1.8 0.1
--.DUI.Z. 1997-04-27T02:28:13.11 10.0 undecidable manual SG 318 0.2886 -0.34 0.7
--.RFI.Z. 1997-04-27T02:28:13.71 10.0 undecidable manual PG 256 0.5661 0.04 1.5
--.FG2.Z. 1997-04-27T02:28:12.35 10.0 undecidable manual PG 41 0.4884 0.04 1.6
--.DUI.Z. 1997-04-27T02:28:08.94 10.0 undecidable manual PG 318 0.2886 0.41 1.2
--.SMB1.Z. 1997-04-27T02:28:05.67 10.0 undecidable manual SG 179 0.0333 0.69 0.5
--.SMB1.Z. 1997-04-27T02:28:03.47 10.0 positive manual PG 179 0.0333 -0.17 3.3
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