Earthquake with magnitude of Md 3.1 on date 26-06-1987 and time 23:01:58 (UTC) in region 11 km N Mattinata (FG)

A magnitude Md 3.1 earthquake occured in region: 11 km N Mattinata (FG), on

  • 26-06-1987 23:01:58 (UTC)
  • 27-06-1987 01:01:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.807, 16.059 at 5 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 11 6310 6310
Vico del Gargano FG 13 7766 14076
Vieste FG 13 13975 28051
Monte Sant'Angelo FG 14 12657 40708
Peschici FG 16 4521 45229
Ischitella FG 17 4432 49661
Carpino FG 17 4182 53843
Rodi Garganico FG 20 3693 57536

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Manfredonia (57279 inhabitants)
57 Km NW of Barletta (94814 inhabitants)
57 Km NE of Foggia (151991 inhabitants)
58 Km E of San Severo (53905 inhabitants)
62 Km N of Cerignola (58396 inhabitants)
66 Km NW of Trani (56217 inhabitants)
67 Km N of Andria (100440 inhabitants)
73 Km NW of Bisceglie (55422 inhabitants)
81 Km NW of Molfetta (59874 inhabitants)
94 Km NW of Bitonto (55540 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 3.1 1987-06-26
23:01:58
41.807 16.059 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 49579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-06-26 23:01:58 ± 0.346
Latitude 41.8070 ± 0.0302
Longitude 16.0590 ± 0.0259
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 49579

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) 3982.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00834
Epicentral distance of station farthest from the epicenter (degree) 0.03359
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 49579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:48:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SO9.Z. 1987-06-26T23:02:56.50 10.0 undecidable manual PN 180 0.0336 0.13 1.1
--.SDI.Z. 1987-06-26T23:02:50.00 10.0 undecidable manual SN 267 0.0151 -0.06 0.7
--.ASS.Z. 1987-06-26T23:02:44.60 10.0 undecidable manual PN 298 0.0253 0.91 0.4
--.SGO.Z. 1987-06-26T23:02:43.50 10.0 undecidable manual SN 205 0.0123 0.82 0.4
--.MNS.Z. 1987-06-26T23:02:41.00 10.0 undecidable manual PN 284 0.0231 0.58 0.9
--.CZI.Z. 1987-06-26T23:02:40.20 10.0 undecidable manual PN 179 0.0232 -0.45 1.1
--.BRT.Z. 1987-06-26T23:02:40.00 10.0 undecidable manual SN 138 0.0111 0.38 0.8
--.ROI.Z. 1987-06-26T23:02:37.40 10.0 undecidable manual PN 170 0.0204 1.16 0.2
--.TS9.Z. 1987-06-26T23:02:35.00 10.0 undecidable manual PN 174 0.0193 0.27 1.4
--.CSI.Z. 1987-06-26T23:02:32.60 10.0 undecidable manual PN 175 0.0182 -0.38 1.3
--.MMN.Z. 1987-06-26T23:02:30.40 10.0 undecidable manual PN 182 0.0172 -1.04 0.4
--.ORI.Z. 1987-06-26T23:02:30.00 10.0 undecidable manual PN 171 0.0159 0.45 1.3
--.SDI.Z. 1987-06-26T23:02:27.60 10.0 undecidable manual PN 267 0.0151 -0.58 1.1
--.PE1.Z. 1987-06-26T23:02:24.20 10.0 undecidable manual PN 134 0.0129 -0.59 1.1
--.SGO.Z. 1987-06-26T23:02:24.00 10.0 undecidable manual PN 205 0.0123 0.08 1.7
--.SGG.Z. 1987-06-26T23:02:22.90 10.0 undecidable manual PN 252 0.0119 -0.41 1.4
--.DUI.Z. 1987-06-26T23:02:21.00 10.0 undecidable manual PN 264 0.0108 -0.64 0.9
--.BRT.Z. 1987-06-26T23:02:21.70 10.0 undecidable manual PN 138 0.0111 -0.45 1.3
--.BAI.Z. 1987-06-26T23:02:17.50 10.0 undecidable manual PG 138 0.0083 0.3 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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