Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of mb 4.7 on date 30-11-1986 and time 04:19:08 (Italy) in region Isole Eolie (Messina)

A magnitude mb 4.7 earthquake occured in region: Isole Eolie (Messina), on

  • 30-11-1986 03:19:08 (UTC)
  • 30-11-1986 04:19:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.51, 15 at 263 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
Lipari ME 6 12753 12753
Santa Marina Salina ME 13 903 13656
Leni ME 17 696 14352
Malfa ME 17 982 15334

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km NW of Messina (238439 inhabitants)
71 Km NW of Reggio di Calabria (183035 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
Rev 1000 mb 4.7 1986-11-30
03:19:08		 38.51 15 263 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 37609
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-11-30 03:19:08 ± 0.668
Latitude 38.51 ± 0.03
Longitude 15.00 ± 0.03
Depth (km) 263 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 37609

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) 4561.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 55
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) 0.00445
Epicentral distance of station farthest from the epicenter (degree) 0.08111
Number of stations at which the event was observed 48
Number of stations from which data was used for origin computation 48
Magnitude information

mb:4.7

Field Value
Value 4.7
Uncertainty
Num. used stations
Type of magnitude mb
Reference to an origin 37609
Agency INGV
Autore ISC
Time of creation (UTC) 2013-01-09 08:18:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.NKY.Z. 1986-11-30T03:21:30.80 10.0 undecidable manual S 34 0.0473 0.86 0.4
--.BRY.Z. 1986-11-30T03:21:28.00 10.0 undecidable manual S 30 0.0463 0.77 0.3
--.BN9.Z. 1986-11-30T03:21:19.00 10.0 undecidable manual P 319 0.0811 -0.17 0.8
--.ULC.Z. 1986-11-30T03:21:18.00 10.0 undecidable manual S 42 0.0426 -0.37 0.7
--.HCY.Z. 1986-11-30T03:21:17.00 10.0 undecidable manual S 33 0.0427 -1.68 0.1
--.ORO.Z. 1986-11-30T03:21:16.00 10.0 undecidable manual P 326 0.0793 -0.56 0.7
--.DA9.Z. 1986-11-30T03:21:10.50 10.0 undecidable manual P 318 0.075 0.24 0.9
--.FO1.Z. 1986-11-30T03:21:07.00 10.0 positive manual P 349 0.0741 -1.96 0.2
--.RBL.Z. 1986-11-30T03:21:04.00 10.0 undecidable manual P 353 0.072 -1.6 0.2
--.SRN.Z. 1986-11-30T03:21:04.80 10.0 undecidable manual S ? 69 0.0369 -0.23 0
--.CTI.Z. 1986-11-30T03:21:03.80 10.0 undecidable manual P 343 0.0714 -0.83 0.6
--.CKI.Z. 1986-11-30T03:21:02.00 10.0 undecidable manual P 322 0.0699 -0.42 0.8
--.SAL.Z. 1986-11-30T03:21:02.50 10.0 undecidable manual P 336 0.0705 -0.85 0.6
--.TRI.Z. 1986-11-30T03:20:54.00 10.0 undecidable manual P 353 0.0652 -1.79 0.1
--.BDI.Z. 1986-11-30T03:20:46.00 10.0 undecidable manual P 331 0.0581 0.57 0.9
--.PS9.Z. 1986-11-30T03:20:42.80 10.0 undecidable manual P 328 0.0559 0.63 0.8
--.BAI.Z. 1986-11-30T03:20:41.00 10.0 undecidable manual S 28 0.0267 -1.24 0.2
--.PE1.Z. 1986-11-30T03:20:40.80 10.0 undecidable manual S 38 0.0266 -1.07 0.3
--.FIR.Z. 1986-11-30T03:20:40.50 10.0 positive manual P 333 0.0537 1.46 0.6
--.PLE.Z. 1986-11-30T03:20:38.00 10.0 undecidable manual P 33 0.0526 0.52 0.9
--.IVA.Z. 1986-11-30T03:20:37.00 10.0 undecidable manual P 39 0.0515 1.08 0.5
--.CRE.Z. 1986-11-30T03:20:34.00 10.0 undecidable manual P 337 0.0504 -0.27 1.1
--.ARV.Z. 1986-11-30T03:20:30.20 10.0 negative manual P 343 0.0469 0.76 1.7
--.NKY.Z. 1986-11-30T03:20:30.00 10.0 undecidable manual P 34 0.0473 -0.02 1.2
--.BRY.Z. 1986-11-30T03:20:28.00 10.0 undecidable manual P 30 0.0463 -0.45 1.1
--.TTG.Z. 1986-11-30T03:20:27.70 10.0 undecidable manual P 38 0.0457 0.01 1.2
--.KBN.Z. 1986-11-30T03:20:26.70 10.0 undecidable manual P 63 0.0443 0.91 0.7
--.SDA.Z. 1986-11-30T03:20:25.40 10.0 undecidable manual P 43 0.0441 -0.1 2.4
--.ASS.Z. 1986-11-30T03:20:25.50 10.0 undecidable manual P 339 0.044 0.31 1.2
--.TIR.Z. 1986-11-30T03:20:23.50 10.0 undecidable manual P 51 0.0421 0.8 1.7
--.HCY.Z. 1986-11-30T03:20:22.00 10.0 undecidable manual P 33 0.0427 -1.52 0.3
--.ULC.Z. 1986-11-30T03:20:22.50 10.0 undecidable manual P 42 0.0426 -0.84 0.8
--.SRN.Z. 1986-11-30T03:20:17.20 10.0 undecidable manual P 69 0.0369 1.57 0.3
--.AQU.Z. 1986-11-30T03:20:16.00 10.0 undecidable manual P 343 0.0363 1.22 0.5
--.RMP.Z. 1986-11-30T03:20:12.00 10.0 undecidable manual P 333 0.0336 0.77 0.9
--.SD1.Z. 1986-11-30T03:20:08.00 10.0 undecidable manual P 344 0.0299 1.58 0.3
--.DUI.Z. 1986-11-30T03:20:06.00 10.0 undecidable manual P 352 0.0286 1.23 0.5
--.MS1.Z. 1986-11-30T03:20:05.90 10.0 negative manual P 12 0.0295 0.06 2.6
--.LCI.Z. 1986-11-30T03:20:03.00 10.0 undecidable manual P 52 0.0271 0.05 1.3
--.SGG.Z. 1986-11-30T03:20:02.50 10.0 positive manual P 351 0.0262 0.65 2
--.BAI.Z. 1986-11-30T03:20:01.90 10.0 undecidable manual P 28 0.0267 -0.57 1.1
--.PE1.Z. 1986-11-30T03:20:01.00 10.0 undecidable manual P 38 0.0266 -1.26 0.5
--.MSC.Z. 1986-11-30T03:20:00.90 10.0 positive manual P 344 0.0251 0.31 2.4
--.BRT.Z. 1986-11-30T03:20:00.50 10.0 undecidable manual P 34 0.0259 -0.99 0.7
--.TR9.Z. 1986-11-30T03:19:58.70 10.0 positive manual P 4 0.0228 0.81 1.7
--.OVO.Z. 1986-11-30T03:19:56.70 10.0 undecidable manual P 349 0.0212 0.62 1
--.SOR.Z. 1986-11-30T03:19:53.80 10.0 positive manual P 346 0.0192 -0.08 2.6
--.SGO.Z. 1986-11-30T03:19:52.50 10.0 positive manual P 6 0.0185 -0.68 1.9
--.ORI.Z. 1986-11-30T03:19:52.30 10.0 undecidable manual P 35 0.0171 0.58 1
--.ERC.Z. 1986-11-30T03:19:51.20 10.0 undecidable manual P 257 0.0176 -1 1.4
--.MG9.Z. 1986-11-30T03:19:49.50 10.0 undecidable manual P 14 0.0151 -0.36 1.2
--.TS9.Z. 1986-11-30T03:19:49.00 10.0 undecidable manual P 41 0.0139 0.23 1.3
--.MS9.Z. 1986-11-30T03:19:44.00 10.0 negative manual P 203 0.0056 0.61 2
--.AT9.Z. 1986-11-30T03:19:42.50 10.0 negative manual P 134 0.0045 -0.49 2.2
--.MSI.Z. 1986-11-30T03:19:42.00 10.0 undecidable manual P 125 0.0047 -1.07 0.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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