Earthquake with magnitude of Md 2.4 on date 16-09-1986 and time 16:02:15 (Italy) in region 10 km E Aliano (MT)

A magnitude Md 2.4 earthquake occured in region: 10 km E Aliano (MT), on

  • 16-09-1986 14:02:15 (UTC)
  • 16-09-1986 16:02:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.35, 16.34 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Aliano MT 10 1008 1008
Stigliano MT 11 4361 5369
Sant'Arcangelo PZ 12 6533 11902
Craco MT 13 745 12647
Cirigliano MT 15 375 13022
Tursi MT 16 5037 18059
Missanello PZ 16 566 18625
San Mauro Forte MT 17 1552 20177
Gorgoglione MT 17 989 21166
Gallicchio PZ 18 862 22028
Roccanova PZ 19 1543 23571
Colobraro MT 19 1266 24837
Ferrandina MT 19 8853 33690
Pisticci MT 19 17768 51458
Salandra MT 20 2829 54287

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SW of Matera (60436 inhabitants)
56 Km SE of Potenza (67122 inhabitants)
57 Km SW of Altamura (70396 inhabitants)
77 Km W of Taranto (201100 inhabitants)
90 Km SW of Bitonto (55540 inhabitants)
97 Km SW of Bari (326344 inhabitants)
98 Km S of Andria (100440 inhabitants)
98 Km S of Molfetta (59874 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 Md 2.4 1986-09-16
14:02:15
40.35 16.34 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 34209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-16 14:02:15 ± 0.929
Latitude 40.35 ± 0.05
Longitude 16.34 ± 0.06
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 34209

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) 7000.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
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) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00729
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 34209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:34:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MG9.Z. 1986-09-16T14:02:37.50 10.0 undecidable manual SG 250 0.0057 0.23 0.8
--.SGO.Z. 1986-09-16T14:02:31.50 10.0 undecidable manual PG 285 0.0073 0.34 1.6
--.ORI.Z. 1986-09-16T14:02:28.00 10.0 undecidable manual SG 164 0.0028 1.16 0.3
--.MG9.Z. 1986-09-16T14:02:27.50 10.0 undecidable manual PG 250 0.0057 -0.37 1.8
--.ORI.Z. 1986-09-16T14:02:20.50 10.0 undecidable manual PG 164 0.0028 -1.35 0.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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