Earthquake with magnitude of Md 2.2 on date 25-03-1987 and time 03:33:47 (Italy) in region 4 km E Jelsi (CB)

A magnitude Md 2.2 earthquake occured in region: 4 km E Jelsi (CB), on

  • 25-03-1987 02:33:47 (UTC)
  • 25-03-1987 03:33:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5280, 14.8450 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
Jelsi CB 4 1781 1781
Riccia CB 5 5262 7043
Gambatesa CB 6 1464 8507
Pietracatella CB 7 1375 9882
Toro CB 8 1391 11273
Campodipietra CB 9 2570 13843
Gildone CB 9 809 14652
Macchia Valfortore CB 9 576 15228
Monacilioni CB 10 523 15751
Tufara CB 10 925 16676
San Giovanni in Galdo CB 11 580 17256
Sant'Elia a Pianisi CB 11 1818 19074
Celenza Valfortore FG 12 1598 20672
Castelvetere in Val Fortore BN 13 1240 21912
Cercemaggiore CB 13 3777 25689
Carlantino FG 13 980 26669
San Marco la Catola FG 14 1012 27681
Campolieto CB 14 839 28520
Castelpagano BN 14 1483 30003
Ferrazzano CB 14 3344 33347
Mirabello Sannitico CB 14 2180 35527
Matrice CB 15 1115 36642
Campobasso CB 16 49431 86073
Cercepiccola CB 17 681 86754
Volturara Appula FG 18 430 87184
Ripalimosani CB 18 3114 90298
Baselice BN 18 2397 92695
Santa Croce del Sannio BN 18 927 93622
Ripabottoni CB 18 514 94136
Colle Sannita BN 18 2431 96567
Colletorto CB 19 1938 98505
San Giuliano del Sannio CB 19 1029 99534
Circello BN 19 2388 101922
San Bartolomeo in Galdo BN 19 4867 106789
Montagano CB 19 1086 107875

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km N of Benevento (60091 inhabitants)
48 Km W of San Severo (53905 inhabitants)
59 Km W of Foggia (151991 inhabitants)
66 Km NE of Caserta (76326 inhabitants)
68 Km N of Avellino (54857 inhabitants)
76 Km NE of Acerra (59573 inhabitants)
81 Km NE of Afragola (65057 inhabitants)
82 Km NE of Aversa (53047 inhabitants)
83 Km NE of Casoria (77642 inhabitants)
86 Km NE of Giugliano in Campania (122974 inhabitants)
88 Km NE of Portici (55274 inhabitants)
89 Km NE of Marano di Napoli (59874 inhabitants)
90 Km NE of Ercolano (53709 inhabitants)
90 Km W of Manfredonia (57279 inhabitants)
91 Km N of Scafati (50787 inhabitants)
91 Km NE of Napoli (974074 inhabitants)
92 Km NE of Torre del Greco (86275 inhabitants)
93 Km N of Cava de' Tirreni (53659 inhabitants)
93 Km W of Cerignola (58396 inhabitants)
95 Km N of Salerno (135261 inhabitants)
98 Km NE of Castellammare di Stabia (66466 inhabitants)
99 Km NE of Pozzuoli (81661 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 1987-03-25
02:33:47
41.528 14.845 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 43489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-03-25 02:33:47 ± 0.576
Latitude 41.5280 ± 0.0487
Longitude 14.8450 ± 0.0474
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 43489

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) 6697.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 214
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.00712
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 43489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:43:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SD1.Z. 1987-03-25T02:34:16.00 10.0 undecidable manual SG 283 0.7881 0.79 0.2
--.SD1.Z. 1987-03-25T02:34:04.00 10.0 undecidable manual PG 283 0.7881 0.37 1.3
--.DUI.Z. 1987-03-25T02:34:00.50 10.0 undecidable manual SG 294 0.3108 0.59 0.5
--.TR9.Z. 1987-03-25T02:33:59.60 10.0 undecidable manual PG 148 0.555 0.28 1.8
--.SGG.Z. 1987-03-25T02:33:55.40 10.0 undecidable manual PG 247 0.3663 -0.49 1.4
--.DUI.Z. 1987-03-25T02:33:54.00 10.0 undecidable manual PG 294 0.3108 -0.8 0.7
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