Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 25-01-1986 and time 08:58:25 (Italy) in region 3 km E Miranda (IS)

A magnitude Md 2.5 earthquake occured in region: 3 km E Miranda (IS), on

  • 25-01-1986 07:58:25 (UTC)
  • 25-01-1986 08:58:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6440, 14.2820 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.

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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
Pesche IS 4 1661 2708
Sessano del Molise IS 4 727 3435
Pescolanciano IS 6 855 4290
Carpinone IS 7 1157 5447
Roccasicura IS 7 550 5997
Pettoranello del Molise IS 8 460 6457
Isernia IS 8 21842 28299
Carovilli IS 8 1359 29658
Chiauci IS 10 233 29891
Forlì del Sannio IS 10 675 30566
Civitanova del Sannio IS 11 945 31511
Castelpetroso IS 11 1680 33191
Acquaviva d'Isernia IS 11 425 33616
Sant'Agapito IS 12 1496 35112
Fornelli IS 12 1909 37021
Santa Maria del Molise IS 13 665 37686
Macchia d'Isernia IS 13 1035 38721
Castelpizzuto IS 14 155 38876
Longano IS 14 690 39566
Macchiagodena IS 14 1854 41420
Rionero Sannitico IS 14 1118 42538
Vastogirardi IS 15 704 43242
Frosolone IS 15 3170 46412
Pietrabbondante IS 15 759 47171
Cerro al Volturno IS 15 1281 48452
Duronia CB 15 405 48857
Colli a Volturno IS 16 1349 50206
Monteroduni IS 16 2264 52470
Montaquila IS 16 2456 54926
Bagnoli del Trigno IS 16 735 55661
Cantalupo nel Sannio IS 16 739 56400
Rocchetta a Volturno IS 16 1113 57513
Castelverrino IS 17 115 57628
Sant'Elena Sannita IS 18 275 57903
Roccamandolfi IS 18 938 58841
Molise CB 18 167 59008
San Pietro Avellana IS 18 503 59511
Castel San Vincenzo IS 18 516 60027
Poggio Sannita IS 19 702 60729
Scapoli IS 19 680 61409
Agnone IS 20 5139 66548
Montenero Val Cocchiara IS 20 538 67086
San Massimo CB 20 855 67941

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 Km N of Caserta (76326 inhabitants)
71 Km NW of Benevento (60091 inhabitants)
75 Km N of Aversa (53047 inhabitants)
78 Km N of Acerra (59573 inhabitants)
79 Km S of Chieti (51815 inhabitants)
80 Km N of Giugliano in Campania (122974 inhabitants)
80 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 Napoli (974074 inhabitants)
90 Km N of Pozzuoli (81661 inhabitants)
91 Km N of Portici (55274 inhabitants)
92 Km W of San Severo (53905 inhabitants)
92 Km S of Pescara (121014 inhabitants)
92 Km NW of Avellino (54857 inhabitants)
93 Km N of Ercolano (53709 inhabitants)
96 Km N of Torre del Greco (86275 inhabitants)
98 Km S of Montesilvano (53738 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 2.5 1986-01-25
07:58:25		 41.644 14.282 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 21619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-01-25 07:58:25 ± 0.487
Latitude 41.6440 ± 0.0362
Longitude 14.2820 ± 0.0361
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 21619

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) 5019.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00834
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 21619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:23:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MSC.Z. 1986-01-25T07:58:46.30 10.0 undecidable manual SG 207 0.4995 2.24 0.1
--.TR9.Z. 1986-01-25T07:58:45.60 10.0 undecidable manual PG 129 0.9213 1.47 0.4
--.SD1.Z. 1986-01-25T07:58:38.00 10.0 undecidable manual SG 280 0.3552 -1.23 0.3
--.MSC.Z. 1986-01-25T07:58:36.40 10.0 undecidable manual PG 207 0.4995 0.05 1.3
--.SGG.Z. 1986-01-25T07:58:36.40 10.0 undecidable manual SG 164 0.2553 0.1 0.6
--.SD1.Z. 1986-01-25T07:58:34.00 10.0 undecidable manual PG 280 0.3552 0.44 1.3
--.SGG.Z. 1986-01-25T07:58:30.40 10.0 negative manual PG 164 0.2553 -1.47 1.1
--.DUI.Z. 1986-01-25T07:58:29.50 10.0 positive manual PG 83 0.1221 0.13 2.9
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