Earthquake with magnitude of Md 2.1 on date 30-11-1986 and time 03:51:12 (Italy) in region 3 km SE Roccamonfina (CE)

A magnitude Md 2.1 earthquake occured in region: 3 km SE Roccamonfina (CE), on

  • 30-11-1986 02:51:12 (UTC)
  • 30-11-1986 03:51:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.2710, 14.0090 at 6 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
Roccamonfina CE 3 3511 3511
Teano CE 6 12577 16088
Marzano Appio CE 6 2226 18314
Conca della Campania CE 7 1239 19553
Caianello CE 7 1824 21377
Sessa Aurunca CE 7 21727 43104
Tora e Piccilli CE 8 910 44014
Galluccio CE 9 2154 46168
Carinola CE 9 7283 53451
Francolise CE 10 4922 58373
Sparanise CE 12 7429 65802
Riardo CE 12 2321 68123
Calvi Risorta CE 12 5707 73830
Falciano del Massico CE 12 3695 77525
Vairano Patenora CE 13 6594 84119
Rocchetta e Croce CE 13 460 84579
Presenzano CE 13 1766 86345
Pietravairano CE 14 2984 89329
Cellole CE 15 7830 97159
Pietramelara CE 15 4722 101881
Mignano Monte Lungo CE 15 3250 105131
Castelforte LT 16 4386 109517
Pignataro Maggiore CE 16 6084 115601
Santi Cosma e Damiano LT 17 6897 122498
Rocca d'Evandro CE 17 3283 125781
Giano Vetusto CE 17 647 126428
Sant'Andrea del Garigliano FR 18 1505 127933
Sant'Ambrogio sul Garigliano FR 18 966 128899
Sesto Campano IS 18 2388 131287
Roccaromana CE 18 856 132143
Pastorano CE 19 3033 135176
Camigliano CE 20 1943 137119
Vallemaio FR 20 937 138056
Formicola CE 20 1488 139544
San Pietro Infine CE 20 944 140488

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Caserta (76326 inhabitants)
37 Km NW of Aversa (53047 inhabitants)
41 Km NW of Giugliano in Campania (122974 inhabitants)
44 Km NW of Marano di Napoli (59874 inhabitants)
46 Km NW of Afragola (65057 inhabitants)
47 Km NW of Casoria (77642 inhabitants)
47 Km NW of Acerra (59573 inhabitants)
48 Km N of Pozzuoli (81661 inhabitants)
52 Km NW of Napoli (974074 inhabitants)
58 Km NW of Portici (55274 inhabitants)
59 Km NW of Ercolano (53709 inhabitants)
62 Km NW of Torre del Greco (86275 inhabitants)
67 Km W of Benevento (60091 inhabitants)
73 Km NW of Scafati (50787 inhabitants)
75 Km NW of Castellammare di Stabia (66466 inhabitants)
77 Km NW of Avellino (54857 inhabitants)
86 Km NW of Cava de' Tirreni (53659 inhabitants)
91 Km NW of Salerno (135261 inhabitants)
95 Km E of Latina (125985 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 2.1 1986-11-30
02:51:12
41.271 14.009 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 37599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-11-30 02:51:12 ± 0.158
Latitude 41.2710 ± 0.0118
Longitude 14.0090 ± 0.0168
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 37599

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) 1924.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00656
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 37599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:37:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SD1.Z. 1986-11-30T02:51:31.00 10.0 undecidable manual SG 341 0.4551 0.54 0.2
--.SOR.Z. 1986-11-30T02:51:28.10 10.0 undecidable manual PG 160 0.7326 0.08 1
--.SGG.Z. 1986-11-30T02:51:25.00 10.0 undecidable manual SG 67 0.2997 0.41 0.3
--.SD1.Z. 1986-11-30T02:51:23.00 10.0 undecidable manual PG 341 0.4551 -0.02 1.7
--.DUI.Z. 1986-11-30T02:51:23.00 10.0 undecidable manual PG 40 0.5106 -0.96 0.2
--.SGG.Z. 1986-11-30T02:51:19.60 10.0 undecidable manual PG 67 0.2997 -0.03 1.9
--.MSC.Z. 1986-11-30T02:51:16.50 10.0 undecidable manual SG 199 0.0777 -0.14 0.6
--.MSC.Z. 1986-11-30T02:51:15.10 10.0 undecidable manual PG 199 0.0777 0.06 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