Earthquake with magnitude of Md 2.3 on date 25-01-1986 and time 01:00:55 (Italy) in region 2 km SW Matrice (CB)

A magnitude Md 2.3 earthquake occured in region: 2 km SW Matrice (CB), on

  • 25-01-1986 00:00:55 (UTC)
  • 25-01-1986 01:00:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6010, 14.6930 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
Matrice CB 2 1115 1115
Ripalimosani CB 3 3114 4229
San Giovanni in Galdo CB 5 580 4809
Campobasso CB 5 49431 54240
Montagano CB 5 1086 55326
Campodipietra CB 7 2570 57896
Toro CB 7 1391 59287
Campolieto CB 7 839 60126
Ferrazzano CB 8 3344 63470
Oratino CB 9 1641 65111
Mirabello Sannitico CB 10 2180 67291
Monacilioni CB 10 523 67814
Petrella Tifernina CB 10 1170 68984
Limosano CB 10 768 69752
Gildone CB 11 809 70561
Castropignano CB 11 947 71508
Castellino del Biferno CB 12 545 72053
Busso CB 12 1273 73326
Jelsi CB 13 1781 75107
Sant'Angelo Limosano CB 13 352 75459
Baranello CB 14 2673 78132
Ripabottoni CB 14 514 78646
Casalciprano CB 14 564 79210
Morrone del Sannio CB 14 587 79797
Fossalto CB 15 1345 81142
Lucito CB 15 696 81838
Vinchiaturo CB 15 3324 85162
Torella del Sannio CB 15 795 85957
Pietracatella CB 15 1375 87332
Sant'Elia a Pianisi CB 15 1818 89150
San Biase CB 15 189 89339
Cercemaggiore CB 16 3777 93116
Cercepiccola CB 16 681 93797
San Giuliano del Sannio CB 17 1029 94826
Molise CB 17 167 94993
Pietracupa CB 17 215 95208
Castelbottaccio CB 17 312 95520
Provvidenti CB 17 119 95639
Riccia CB 17 5262 100901
Colle d'Anchise CB 18 807 101708
Spinete CB 18 1320 103028
Macchia Valfortore CB 18 576 103604
Lupara CB 18 505 104109
Sant'Elena Sannita IS 19 275 104384

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km N of Benevento (60091 inhabitants)
58 Km W of San Severo (53905 inhabitants)
66 Km NE of Caserta (76326 inhabitants)
73 Km W of Foggia (151991 inhabitants)
77 Km N of Avellino (54857 inhabitants)
78 Km NE of Acerra (59573 inhabitants)
81 Km NE of Aversa (53047 inhabitants)
82 Km NE of Afragola (65057 inhabitants)
84 Km NE of Casoria (77642 inhabitants)
85 Km NE of Giugliano in Campania (122974 inhabitants)
89 Km NE of Marano di Napoli (59874 inhabitants)
91 Km NE of Portici (55274 inhabitants)
92 Km NE of Napoli (974074 inhabitants)
93 Km NE of Ercolano (53709 inhabitants)
94 Km SE of Chieti (51815 inhabitants)
95 Km N of Torre del Greco (86275 inhabitants)
96 Km N of Scafati (50787 inhabitants)
98 Km NE of Pozzuoli (81661 inhabitants)
100 Km N of Cava de' Tirreni (53659 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 1986-01-25
00:00:55
41.601 14.693 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 21579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-01-25 00:00:55 ± 1.563
Latitude 41.6010 ± 0.0282
Longitude 14.6930 ± 0.1241
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 21579

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) 10785.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 299
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
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) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.00607
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 21579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:23:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MSC.Z. 1986-01-25T00:01:19.50 10.0 undecidable manual SG 232 0.6771 0.74 0.2
--.MSC.Z. 1986-01-25T00:01:09.20 10.0 undecidable manual PG 232 0.6771 0.45 1
--.SGG.Z. 1986-01-25T00:01:06.30 10.0 undecidable manual SG 227 0.3108 -0.9 0.1
--.SGG.Z. 1986-01-25T00:01:01.80 10.0 undecidable manual PG 227 0.3108 -0.27 1.7
--.DUI.Z. 1986-01-25T00:00:59.50 10.0 undecidable manual PG 288 0.1776 -0.1 2
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