Earthquake with magnitude of Md 2.2 on date 17-01-1986 and time 03:11:01 (Italy) in region 4 km SE Forlì del Sannio (IS)

A magnitude Md 2.2 earthquake occured in region: 4 km SE Forlì del Sannio (IS), on

  • 17-01-1986 02:11:01 (UTC)
  • 17-01-1986 03:11:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6680, 14.2080 at 5 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
Forlì del Sannio IS 4 675 675
Roccasicura IS 4 550 1225
Miranda IS 4 1047 2272
Acquaviva d'Isernia IS 5 425 2697
Rionero Sannitico IS 8 1118 3815
Fornelli IS 9 1909 5724
Pesche IS 9 1661 7385
Cerro al Volturno IS 9 1281 8666
Isernia IS 9 21842 30508
Carovilli IS 9 1359 31867
Pescolanciano IS 11 855 32722
Sessano del Molise IS 11 727 33449
Rocchetta a Volturno IS 11 1113 34562
Colli a Volturno IS 11 1349 35911
Pettoranello del Molise IS 12 460 36371
Macchia d'Isernia IS 12 1035 37406
Castel San Vincenzo IS 12 516 37922
Vastogirardi IS 13 704 38626
Montenero Val Cocchiara IS 13 538 39164
Carpinone IS 13 1157 40321
Montaquila IS 14 2456 42777
Scapoli IS 14 680 43457
San Pietro Avellana IS 14 503 43960
Sant'Agapito IS 14 1496 45456
Pizzone IS 14 329 45785
Chiauci IS 15 233 46018
Castel di Sangro AQ 16 6538 52556
Alfedena AQ 16 864 53420
Monteroduni IS 16 2264 55684
Civitanova del Sannio IS 16 945 56629
Longano IS 17 690 57319
Scontrone AQ 17 574 57893
Castelpetroso IS 17 1680 59573
Pietrabbondante IS 18 759 60332
Castelpizzuto IS 18 155 60487
Filignano IS 19 648 61135
Santa Maria del Molise IS 19 665 61800
Capracotta IS 19 903 62703
Castelverrino IS 19 115 62818

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km N of Caserta (76326 inhabitants)
76 Km S of Chieti (51815 inhabitants)
77 Km NW of Benevento (60091 inhabitants)
77 Km N of Aversa (53047 inhabitants)
81 Km N of Acerra (59573 inhabitants)
82 Km N of Giugliano in Campania (122974 inhabitants)
83 Km N of Afragola (65057 inhabitants)
85 Km N of Casoria (77642 inhabitants)
86 Km N of Marano di Napoli (59874 inhabitants)
89 Km S of Pescara (121014 inhabitants)
92 Km N of Pozzuoli (81661 inhabitants)
92 Km N of Napoli (974074 inhabitants)
94 Km S of Montesilvano (53738 inhabitants)
95 Km N of Portici (55274 inhabitants)
96 Km N of Ercolano (53709 inhabitants)
97 Km NW of Avellino (54857 inhabitants)
98 Km W of San Severo (53905 inhabitants)
99 Km N of Torre del Greco (86275 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 1986-01-17
02:11:01
41.668 14.208 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 20759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-01-17 02:11:01 ± 0.487
Latitude 41.6680 ± 0.0354
Longitude 14.2080 ± 0.0276
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 20759

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) 4556.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.00453
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 20759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:23:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MSC.Z. 1986-01-17T02:11:22.80 10.0 undecidable manual SG 200 0.4995 2.24 0
--.SD1.Z. 1986-01-17T02:11:13.00 10.0 undecidable manual SG 278 0.2997 -0.04 0.8
--.MSC.Z. 1986-01-17T02:11:12.80 10.0 undecidable manual PG 200 0.4995 0.35 1.5
--.SGG.Z. 1986-01-17T02:11:12.70 10.0 undecidable manual SG 155 0.3108 -0.71 0.6
--.DUI.Z. 1986-01-17T02:11:10.50 10.0 undecidable manual SG 92 0.1776 1.71 0.2
--.SGG.Z. 1986-01-17T02:11:07.00 10.0 undecidable manual PG 155 0.3108 -1.32 0.8
--.SD1.Z. 1986-01-17T02:11:07.90 10.0 undecidable manual PG 278 0.2997 -0.21 2
--.DUI.Z. 1986-01-17T02:11:05.50 10.0 undecidable manual PG 92 0.1776 -0.16 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