Earthquake with magnitude of Md 3.9 on date 13-10-1986 and time 06:07:55 (Italy) in region 6 km W Montemonaco (AP)

A magnitude Md 3.9 earthquake occured in region: 6 km W Montemonaco (AP), on

  • 13-10-1986 05:07:55 (UTC)
  • 13-10-1986 06:07:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.92, 13.26 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
Montemonaco AP 6 604 604
Montefortino FM 7 1178 1782
Bolognola MC 8 142 1924
Castelsantangelo sul Nera MC 9 281 2205
Ussita MC 10 444 2649
Amandola FM 10 3629 6278
Montegallo AP 11 523 6801
Sarnano MC 13 3264 10065
Comunanza AP 13 3166 13231
Acquacanina MC 14 121 13352
Visso MC 14 1107 14459
Fiastra MC 15 559 15018
Palmiano AP 17 196 15214
Arquata del Tronto AP 17 1178 16392
Gualdo MC 17 815 17207
Smerillo FM 18 365 17572
Montefalcone Appennino FM 18 424 17996
Preci PG 19 724 18720
Fiordimonte MC 19 202 18922
Roccafluvione AP 19 2010 20932
Monte San Martino MC 19 765 21697
Force AP 20 1354 23051
Norcia PG 20 4957 28008
Venarotta AP 20 2066 30074

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Foligno (57155 inhabitants)
47 Km NW of Teramo (54892 inhabitants)
64 Km NE of Terni (111501 inhabitants)
65 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
80 Km S of Ancona (100861 inhabitants)
86 Km NW of Montesilvano (53738 inhabitants)
93 Km NW of Pescara (121014 inhabitants)
98 Km NW of Chieti (51815 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 3.9 1986-10-13
05:07:55
42.92 13.26 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 35839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-10-13 05:07:55 ± 0.108
Latitude 42.92 ± 0.01
Longitude 13.26 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 35839

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) 1901.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 73
Number of defining phases 73
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) 0.00413
Epicentral distance of station farthest from the epicenter (degree) 0.06201
Number of stations at which the event was observed 69
Number of stations from which data was used for origin computation 69
Magnitude information

Md:3.9

Field Value
Value 3.9
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 35839
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:36:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CDF.Z. 1986-10-13T05:09:36.10 10.0 undecidable manual PN 324 0.062 -0.9 0.6
--.BSF.Z. 1986-10-13T05:09:32.90 10.0 undecidable manual PN 319 0.0601 -1.19 0.4
--.CTI.Z. 1986-10-13T05:09:26.50 10.0 undecidable manual SN 339 0.0299 0.04 0.9
--.SLE.Z. 1986-10-13T05:09:22.30 10.0 undecidable manual PN 326 0.0529 -0.84 0.7
--.ZLA.Z. 1986-10-13T05:09:20.50 10.0 undecidable manual PN 324 0.0513 -0.22 1.1
--.DIX.Z. 1986-10-13T05:09:16.00 10.0 undecidable manual PN 308 0.047 1.88 0.1
--.LPG.Z. 1986-10-13T05:09:16.00 10.0 undecidable manual PN 300 0.0478 0.55 1
--.MUO.Z. 1986-10-13T05:09:14.80 10.0 undecidable manual PN 322 0.0467 1.1 0.6
--.RRL.Z. 1986-10-13T05:09:13.00 10.0 undecidable manual PN 295 0.0456 1.04 0.6
--.SAX.Z. 1986-10-13T05:09:13.90 10.0 undecidable manual PN 328 0.0461 1.1 0.6
--.TIR.Z. 1986-10-13T05:09:13.00 10.0 undecidable manual PN 105 0.0462 0.04 1.2
--.PVY.Z. 1986-10-13T05:09:12.00 10.0 undecidable manual PN 91 0.0444 1.84 0.2
--.LRG.Z. 1986-10-13T05:09:12.40 10.0 undecidable manual PN 277 0.0454 0.65 0.9
--.BCI.Z. 1986-10-13T05:09:12.40 10.0 undecidable manual PN 93 0.0452 0.89 0.7
--.LLS.Z. 1986-10-13T05:09:11.00 10.0 undecidable manual PN 323 0.0444 0.77 0.8
--.MMK.Z. 1986-10-13T05:09:11.30 10.0 undecidable manual PN 311 0.044 1.66 0.2
--.LMR.Z. 1986-10-13T05:09:10.20 10.0 undecidable manual PN 276 0.0444 0.02 1.2
--.LSD.Z. 1986-10-13T05:09:10.00 10.0 undecidable manual PN 301 0.0454 -1.73 0.2
--.FRF.Z. 1986-10-13T05:09:09.30 10.0 undecidable manual PN 279 0.0436 0.28 1.2
--.SOO.Z. 1986-10-13T05:09:07.00 10.0 undecidable manual PN 291 0.0424 -0.16 1.2
--.SDA.Z. 1986-10-13T05:09:06.80 10.0 undecidable manual PN 98 0.0422 0.06 1.2
--.DA9.Z. 1986-10-13T05:09:06.90 10.0 undecidable manual PN 291 0.0415 1.09 0.6
--.ORX.Z. 1986-10-13T05:09:05.20 10.0 undecidable manual PN 307 0.0418 -0.94 0.7
--.PLE.Z. 1986-10-13T05:09:05.50 10.0 undecidable manual PN 82 0.0404 1.44 0.4
--.VDL.Z. 1986-10-13T05:09:04.30 10.0 undecidable manual PN 323 0.0401 0.67 1
--.STV.Z. 1986-10-13T05:09:04.90 10.0 undecidable manual PN 288 0.0404 0.87 0.8
--.LCI.Z. 1986-10-13T05:09:04.50 10.0 undecidable manual PN 123 0.0401 0.95 0.7
--.OSS.Z. 1986-10-13T05:09:03.30 10.0 undecidable manual PN 330 0.0392 1.06 0.7
--.TTG.Z. 1986-10-13T05:09:03.50 10.0 undecidable manual PN 93 0.0399 0.21 1.2
--.TMA.Z. 1986-10-13T05:09:03.30 10.0 undecidable manual PN 316 0.0401 -0.28 1.2
--.SBF.Z. 1986-10-13T05:09:02.50 10.0 undecidable manual PN 284 0.0389 0.67 1
--.VAI.Z. 1986-10-13T05:09:01.84 10.0 undecidable manual PN 313 0.0391 -0.24 1.2
--.NKY.Z. 1986-10-13T05:09:00.50 10.0 undecidable manual PN 89 0.0378 0.39 1.2
--.BDV.Z. 1986-10-13T05:09:00.00 10.0 undecidable manual PN 96 0.0373 0.7 1
--.ROB.Z. 1986-10-13T05:08:59.50 10.0 undecidable manual PN 290 0.0372 0.39 1.2
--.CKI.Z. 1986-10-13T05:08:56.88 10.0 undecidable manual PN 293 0.0351 1 0.8
--.HCY.Z. 1986-10-13T05:08:55.00 10.0 undecidable manual PN 94 0.0349 -0.63 1.1
--.BRY.Z. 1986-10-13T05:08:55.00 10.0 undecidable manual PN 88 0.0348 -0.49 1.2
--.FIN.Z. 1986-10-13T05:08:55.40 10.0 undecidable manual PN 290 0.0348 -0.17 1.3
--.ORI.Z. 1986-10-13T05:08:54.90 10.0 positive manual PN 138 0.0336 1.26 1.1
--.MDI.Z. 1986-10-13T05:08:54.36 10.0 positive manual PN 319 0.0343 -0.39 2.5
--.PE1.Z. 1986-10-13T05:08:54.00 10.0 undecidable manual PN? 122 0.0338 0.08 0.6
--.BRT.Z. 1986-10-13T05:08:50.45 10.0 negative manual PN 123 0.0319 -0.61 2.3
--.MG9.Z. 1986-10-13T05:08:48.00 10.0 undecidable manual PN 147 0.0294 0.69 1.1
--.FIR.N. 1986-10-13T05:08:48.00 10.0 undecidable manual SN 300 0.0151 0.54 0.5
--.CTI.Z. 1986-10-13T05:08:47.20 10.0 undecidable manual PN 339 0.0299 -0.83 1
--.LJU.Z. 1986-10-13T05:08:46.40 10.0 undecidable manual PN 15 0.0291 -0.55 1.2
--.BAI.Z. 1986-10-13T05:08:46.00 10.0 undecidable manual PN 122 0.0291 -0.93 0.9
--.CVF.Z. 1986-10-13T05:08:46.90 10.0 undecidable manual PN 264 0.0291 0.03 1.4
--.BVT.Z. 1986-10-13T05:08:43.70 10.0 undecidable manual PN 302 0.0263 1.1 0.7
--.VOY.Z. 1986-10-13T05:08:43.80 10.0 undecidable manual PN 7 0.0282 -1.67 0.3
--.CEY.Z. 1986-10-13T05:08:41.60 10.0 undecidable manual PN 15 0.0264 -1.07 0.7
--.SGO.Z. 1986-10-13T05:08:40.15 10.0 undecidable manual PN 146 0.0253 -0.88 0.9
--.SOR.Z. 1986-10-13T05:08:36.50 10.0 undecidable manual PN 160 0.0223 0.14 1.4
--.TR9.Z. 1986-10-13T05:08:35.60 10.0 undecidable manual PN 140 0.0214 0.53 1.2
--.MS1.Z. 1986-10-13T05:08:34.50 10.0 undecidable manual PN 120 0.0209 0.16 1.4
--.BDI.Z. 1986-10-13T05:08:33.90 10.0 undecidable manual PN 301 0.0202 -0.04 1.4
--.PRO.Z. 1986-10-13T05:08:32.00 10.0 undecidable manual SG 344 0.0092 0.48 0.5
--.PS9.Z. 1986-10-13T05:08:31.56 10.0 undecidable manual PN 292 0.0193 -0.22 1.4
--.MSC.Z. 1986-10-13T05:08:27.60 10.0 undecidable manual PN 162 0.0163 0.35 1.3
--.SGG.Z. 1986-10-13T05:08:27.10 10.0 undecidable manual PN 150 0.0157 0.74 1
--.FIR.Z. 1986-10-13T05:08:26.00 10.0 undecidable manual PN 300 0.0151 0.48 1.3
--.DUI.Z. 1986-10-13T05:08:24.29 10.0 undecidable manual PN 144 0.0138 0.7 1.1
--.MAO.Z. 1986-10-13T05:08:23.34 10.0 negative manual PN 252 0.0146 -1.39 0.9
--.SD1.Z. 1986-10-13T05:08:18.12 10.0 positive manual PN 160 0.0115 -1.86 0.4
--.PRO.Z. 1986-10-13T05:08:17.70 10.0 undecidable manual PG 344 0.0092 1.38 0.5
--.CRE.Z. 1986-10-13T05:08:17.67 10.0 positive manual PN 306 0.0106 -0.89 1.8
--.ARV.Z. 1986-10-13T05:08:17.50 10.0 undecidable manual SG 337 0.0055 -0.76 0.6
--.RMP.Z. 1986-10-13T05:08:17.50 10.0 positive manual PN 200 0.0106 -1.16 0.6
--.ARV.Z. 1986-10-13T05:08:08.00 10.0 positive manual PG 337 0.0055 -0.66 2.2
--.AM1.Z. 1986-10-13T05:08:08.40 10.0 negative manual PG 21 0.006 -1.3 1.1
--.AQU.Z. 1986-10-13T05:08:07.13 10.0 positive manual PG 169 0.0052 -0.82 1.9
--.ASS.Z. 1986-10-13T05:08:05.52 10.0 positive manual PG 287 0.0041 -0.28 2.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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