Earthquake with magnitude of Md 2.6 on date 30-09-1985 and time 00:35:24 (UTC) in region 4 km W Mattinata (FG)

A magnitude Md 2.6 earthquake occured in region: 4 km W Mattinata (FG), on

  • 30-09-1985 00:35:24 (UTC)
  • 30-09-1985 01:35:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.714, 16.01 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
Mattinata FG 4 6310 6310
Monte Sant'Angelo FG 4 12657 18967
Manfredonia FG 12 57279 76246
Carpino FG 19 4182 80428

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NE of Manfredonia (57279 inhabitants)
48 Km NE of Foggia (151991 inhabitants)
49 Km NW of Barletta (94814 inhabitants)
51 Km N of Cerignola (58396 inhabitants)
52 Km E of San Severo (53905 inhabitants)
59 Km NW of Andria (100440 inhabitants)
60 Km NW of Trani (56217 inhabitants)
67 Km NW of Bisceglie (55422 inhabitants)
75 Km NW of Molfetta (59874 inhabitants)
88 Km NW of Bitonto (55540 inhabitants)
97 Km NW of Bari (326344 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 2.6 1985-09-30
00:35:24
41.714 16.01 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 13939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-09-30 00:35:24 ± 0.578
Latitude 41.7140 ± 0.0547
Longitude 16.0100 ± 0.0327
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 13939

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) 6663.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.0004
Epicentral distance of station farthest from the epicenter (degree) 0.02534
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 13939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:16:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.AS1.Z. 1985-09-30T00:36:11.50 10.0 undecidable manual PN? 299 0.0253 1.75 0.1
--.BRT.Z. 1985-09-30T00:36:04.00 10.0 undecidable manual SN 134 0.0108 0.07 0.6
--.BAI.Z. 1985-09-30T00:35:56.00 10.0 undecidable manual SG 132 0.0079 0.57 0.5
--.SD1.Z. 1985-09-30T00:35:54.00 10.0 undecidable manual PN 270 0.0147 0.45 1.1
--.MSC.Z. 1985-09-30T00:35:52.80 10.0 undecidable manual PN 251 0.0145 -0.37 1.2
--.PE1.Z. 1985-09-30T00:35:49.50 10.0 undecidable manual PN 130 0.0125 -0.69 1.1
--.SGO.Z. 1985-09-30T00:35:48.50 10.0 undecidable manual PN? 204 0.0114 0.06 0.6
--.SGG.Z. 1985-09-30T00:35:48.20 10.0 undecidable manual PN 255 0.0113 -0.16 1.5
--.BRT.Z. 1985-09-30T00:35:47.00 10.0 undecidable manual PN 134 0.0108 -0.46 1.3
--.TR9.Z. 1985-09-30T00:35:43.20 10.0 negative manual PG 221 0.0079 0.69 2.1
--.BAI.Z. 1985-09-30T00:35:42.50 10.0 undecidable manual PG 132 0.0079 -0.06 1.5
--.MS1.Z. 1985-09-30T00:35:25.20 10.0 undecidable manual PG 260 0.0004 -2.07 0.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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