Earthquake with magnitude of Md 2.5 on date 11-09-1986 and time 05:20:01 (Italy) in region 2 km E Tramutola (PZ)

A magnitude Md 2.5 earthquake occured in region: 2 km E Tramutola (PZ), on

  • 11-09-1986 03:20:01 (UTC)
  • 11-09-1986 05:20:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.3300, 15.8130 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
Tramutola PZ 2 3089 3089
Marsicovetere PZ 5 5546 8635
Viggiano PZ 8 3329 11964
Grumento Nova PZ 8 1700 13664
Paterno PZ 9 3368 17032
Moliterno PZ 11 4062 21094
Sarconi PZ 11 1404 22498
Montesano sulla Marcellana SA 11 6704 29202
Marsico Nuovo PZ 12 4098 33300
Padula SA 13 5368 38668
Spinoso PZ 15 1462 40130
Montemurro PZ 16 1235 41365
Calvello PZ 17 1948 43313
Casalbuono SA 17 1194 44507
Buonabitacolo SA 18 2549 47056
Laurenzana PZ 20 1797 48853
Abriola PZ 20 1531 50384

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km S of Potenza (67122 inhabitants)
76 Km SW of Matera (60436 inhabitants)
77 Km E of Battipaglia (50786 inhabitants)
84 Km SW of Altamura (70396 inhabitants)
97 Km E of Salerno (135261 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 1986-09-11
03:20:01
40.33 15.813 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 33899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-11 03:20:01 ± 0.559
Latitude 40.3300 ± 0.0415
Longitude 15.8130 ± 0.0319
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33899

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) 5348.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.00494
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 33899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:34:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1986-09-11T03:20:19.00 10.0 undecidable manual SG 300 0.444 1.34 0
--.ORI.Z. 1986-09-11T03:20:13.00 10.0 undecidable manual PG 119 0.5439 0.19 1.1
--.MG9.Z. 1986-09-11T03:20:12.50 10.0 undecidable manual SG 225 0.2664 0.35 0.5
--.SGO.Z. 1986-09-11T03:20:10.00 10.0 undecidable manual PG 300 0.444 -0.78 0.5
--.MG9.Z. 1986-09-11T03:20:07.50 10.0 positive manual PG 225 0.2664 -0.1 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