Earthquake with magnitude of Md 3.1 on date 17-01-1986 and time 00:54:37 (Italy) in region 3 km W Miranda (IS)

A magnitude Md 3.1 earthquake occured in region: 3 km W Miranda (IS), on

  • 16-01-1986 23:54:37 (UTC)
  • 17-01-1986 00:54:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6430, 14.2110 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
Miranda IS 3 1047 1047
Acquaviva d'Isernia IS 6 425 1472
Isernia IS 6 21842 23314
Forlì del Sannio IS 6 675 23989
Roccasicura IS 7 550 24539
Pesche IS 7 1661 26200
Fornelli IS 7 1909 28109
Cerro al Volturno IS 9 1281 29390
Pettoranello del Molise IS 9 460 29850
Macchia d'Isernia IS 10 1035 30885
Rionero Sannitico IS 10 1118 32003
Colli a Volturno IS 10 1349 33352
Sessano del Molise IS 10 727 34079
Rocchetta a Volturno IS 11 1113 35192
Carovilli IS 11 1359 36551
Carpinone IS 11 1157 37708
Sant'Agapito IS 11 1496 39204
Pescolanciano IS 11 855 40059
Montaquila IS 11 2456 42515
Castel San Vincenzo IS 12 516 43031
Scapoli IS 13 680 43711
Monteroduni IS 14 2264 45975
Longano IS 14 690 46665
Montenero Val Cocchiara IS 14 538 47203
Castelpetroso IS 15 1680 48883
Pizzone IS 15 329 49212
Castelpizzuto IS 15 155 49367
Chiauci IS 15 233 49600
Vastogirardi IS 15 704 50304
Civitanova del Sannio IS 16 945 51249
San Pietro Avellana IS 17 503 51752
Santa Maria del Molise IS 17 665 52417
Filignano IS 17 648 53065
Alfedena AQ 18 864 53929
Castel di Sangro AQ 18 6538 60467
Scontrone AQ 18 574 61041
Macchiagodena IS 19 1854 62895
Pietrabbondante IS 19 759 63654
Pozzilli IS 19 2380 66034
Gallo Matese CE 20 579 66613
Capriati a Volturno CE 20 1541 68154

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km N of Caserta (76326 inhabitants)
74 Km NW of Benevento (60091 inhabitants)
74 Km N of Aversa (53047 inhabitants)
79 Km N of Acerra (59573 inhabitants)
79 Km S of Chieti (51815 inhabitants)
79 Km N of Giugliano in Campania (122974 inhabitants)
81 Km N of Afragola (65057 inhabitants)
82 Km N of Casoria (77642 inhabitants)
83 Km N of Marano di Napoli (59874 inhabitants)
89 Km N of Pozzuoli (81661 inhabitants)
89 Km N of Napoli (974074 inhabitants)
92 Km S of Pescara (121014 inhabitants)
92 Km N of Portici (55274 inhabitants)
93 Km N of Ercolano (53709 inhabitants)
95 Km NW of Avellino (54857 inhabitants)
96 Km N of Torre del Greco (86275 inhabitants)
97 Km S of Montesilvano (53738 inhabitants)
97 Km W of San Severo (53905 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
Md 3.1 1986-01-16
23:54:37
41.643 14.211 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 20619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-01-16 23:54:37 ± 0.254
Latitude 41.6430 ± 0.0219
Longitude 14.2110 ± 0.0207
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 20619

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) 2985.4
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.01862
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 20619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:23:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1986-01-16T23:55:11.50 10.0 undecidable manual PN 333 2.0646 -0.56 0.6
--.SOR.Z. 1986-01-16T23:54:57.40 10.0 undecidable manual PN 175 1.0656 -0.77 0.8
--.TR9.Z. 1986-01-16T23:54:57.40 10.0 undecidable manual PG 127 0.9657 0.94 0.6
--.AQU.Z. 1986-01-16T23:54:55.50 10.0 undecidable manual PG 320 0.9213 -0.25 1.4
--.OVO.Z. 1986-01-16T23:54:54.80 10.0 undecidable manual PG 170 0.8214 0.97 0.6
--.SD1.Z. 1986-01-16T23:54:50.00 10.0 undecidable manual SG 282 0.3108 0.79 0.4
--.MSC.Z. 1986-01-16T23:54:47.60 10.0 undecidable manual PG 201 0.4773 0.11 1.7
--.DUI.Z. 1986-01-16T23:54:46.00 10.0 undecidable manual SG 85 0.1776 1.29 0.2
--.SD1.Z. 1986-01-16T23:54:44.50 10.0 undecidable manual PG 282 0.3108 0.4 1.5
--.SGG.Z. 1986-01-16T23:54:42.50 10.0 undecidable manual PG 153 0.2775 -1.13 0.5
--.DUI.Z. 1986-01-16T23:54:41.00 10.0 positive manual PG 85 0.1776 -0.5 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, /tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download