Earthquake with magnitude of Md 2.8 on date 08-01-1985 and time 09:30:13 (Italy) in region Costa Garganica (Foggia)

A magnitude Md 2.8 earthquake occured in region: Costa Garganica (Foggia), on

  • 08-01-1985 08:30:13 (UTC)
  • 08-01-1985 09:30:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.98, 16.22 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
Vieste FG 11 13975 13975
Peschici FG 17 4521 18496

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NE of Manfredonia (57279 inhabitants)
73 Km N of Barletta (94814 inhabitants)
77 Km E of San Severo (53905 inhabitants)
80 Km N of Trani (56217 inhabitants)
80 Km NE of Foggia (151991 inhabitants)
83 Km NE of Cerignola (58396 inhabitants)
83 Km N of Andria (100440 inhabitants)
85 Km N of Bisceglie (55422 inhabitants)
91 Km NW 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 2.8
ML-VAX 3.0
1985-01-08
08:30:13
41.98 16.22 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-08 08:30:13 ± 0.478
Latitude 41.98 ± 0.03
Longitude 16.22 ± 0.05
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 229

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) 5466.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.003
Epicentral distance of station farthest from the epicenter (degree) 0.04703
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:05:32

ML:3

Field Value
Value 3
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CTI.Z. 1985-01-08T08:31:30.50 10.0 undecidable manual PN 322 0.047 -0.51 0.7
--.RDP.Z. 1985-01-08T08:31:27.00 10.0 undecidable manual SN 266 0.0236 1.12 0.2
--.ASS.Z. 1985-01-08T08:30:58.50 10.0 undecidable manual PN 293 0.0256 0.24 1.2
--.RDP.Z. 1985-01-08T08:30:55.00 10.0 undecidable manual PN 266 0.0236 -0.14 1.3
--.PO9.Z. 1985-01-08T08:30:54.00 10.0 undecidable manual PN 284 0.0224 0.5 1.2
--.MNS.Z. 1985-01-08T08:30:54.50 10.0 undecidable manual PN 279 0.0239 -1.14 0.6
--.ORI.Z. 1985-01-08T08:30:47.00 10.0 undecidable manual PN 174 0.0173 1.3 0.5
--.SGO.Z. 1985-01-08T08:30:41.00 10.0 undecidable manual PN 206 0.0141 0.21 1.5
--.PE1.Z. 1985-01-08T08:30:39.00 10.0 undecidable manual PN 141 0.0133 -0.46 1.3
--.DUI.Z. 1985-01-08T08:30:38.00 10.0 undecidable manual PN 256 0.0121 0.24 1.5
--.BRT.Z. 1985-01-08T08:30:38.50 10.0 undecidable manual PN 147 0.0117 1.44 0.4
--.BAI.Z. 1985-01-08T08:30:31.00 10.0 undecidable manual PG 150 0.0089 -1.73 0.2
--.MS1.Z. 1985-01-08T08:30:20.00 10.0 negative manual PG 217 0.003 -0.58 2.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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