Earthquake with magnitude of Md 2.7 on date 06-09-1986 and time 18:32:56 (UTC) in region 6 km NW San Marco in Lamis (FG)

A magnitude Md 2.7 earthquake occured in region: 6 km NW San Marco in Lamis (FG), on

  • 06-09-1986 18:32:56 (UTC)
  • 06-09-1986 20:32:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.752, 15.584 at 9 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
San Marco in Lamis FG 6 13831 13831
Rignano Garganico FG 8 2117 15948
San Nicandro Garganico FG 10 15566 31514
Apricena FG 12 13328 44842
San Giovanni Rotondo FG 13 27184 72026
Cagnano Varano FG 18 7330 79356
San Severo FG 18 53905 133261
Poggio Imperiale FG 20 2724 135985

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of San Severo (53905 inhabitants)
31 Km W of Manfredonia (57279 inhabitants)
32 Km N of Foggia (151991 inhabitants)
60 Km NW of Cerignola (58396 inhabitants)
75 Km NW of Barletta (94814 inhabitants)
83 Km NW of Andria (100440 inhabitants)
87 Km NW of Trani (56217 inhabitants)
95 Km NW of Bisceglie (55422 inhabitants)
96 Km NE of Benevento (60091 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 2.7 1986-09-06
18:32:56
41.752 15.584 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 33729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-06 18:32:56 ± 0.404
Latitude 41.7520 ± 0.0343
Longitude 15.5840 ± 0.0319
Depth (km) 9 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33729

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) 4637.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.02347
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 33729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:34:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ARV.Z. 1986-09-06T18:34:10.00 10.0 undecidable manual SN 313 0.0235 0.22 0.4
--.ASS.Z. 1986-09-06T18:33:39.00 10.0 undecidable manual PN 302 0.0227 1.16 0.2
--.ARV.Z. 1986-09-06T18:33:38.00 10.0 undecidable manual PN 313 0.0235 -0.97 0.3
--.MG9.Z. 1986-09-06T18:33:25.50 10.0 undecidable manual PN 181 0.0145 0.21 1.2
--.BRT.Z. 1986-09-06T18:33:23.00 10.0 undecidable manual PN 126 0.0132 -0.26 1.2
--.DUI.Z. 1986-09-06T18:33:13.50 10.0 undecidable manual PG 264 0.0075 -0.29 1.2
--.MS1.Z. 1986-09-06T18:33:03.20 10.0 positive manual PG 100 0.0024 0.05 2.6
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