Earthquake with magnitude of Md 2.1 on date 28-12-1995 and time 21:34:51 (UTC) in region 11 km SE San Severo (FG)

A magnitude Md 2.1 earthquake occured in region: 11 km SE San Severo (FG), on

  • 28-12-1995 21:34:51 (UTC)
  • 28-12-1995 22:34:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5960, 15.4380 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
San Severo FG 11 53905 53905
Lucera FG 13 33724 87629
Rignano Garganico FG 16 2117 89746
Torremaggiore FG 16 17311 107057
Foggia FG 17 151991 259048

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of San Severo (53905 inhabitants)
17 Km NW of Foggia (151991 inhabitants)
40 Km W of Manfredonia (57279 inhabitants)
54 Km NW of Cerignola (58396 inhabitants)
75 Km NE of Benevento (60091 inhabitants)
76 Km W of Barletta (94814 inhabitants)
82 Km NW of Andria (100440 inhabitants)
89 Km W of Trani (56217 inhabitants)
93 Km NE of Avellino (54857 inhabitants)
97 Km W of Bisceglie (55422 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 2.1 1995-12-28
21:34:51
41.596 15.438 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 238859
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-12-28 21:34:51 ± 0.18
Latitude 41.5960 ± 0.0107
Longitude 15.4380 ± 0.0139
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 238859

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) 1656.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.01093
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 238859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:46:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1995-12-28T21:35:15.82 10.0 undecidable manual PN 275 1.2099 0.51 0.8
--.MU9.Z. 1995-12-28T21:35:09.88 10.0 undecidable manual PG 177 0.8214 1.04 0.3
--.FG3.Z. 1995-12-28T21:35:07.46 10.0 undecidable manual SG 73 0.3996 0.31 0.7
--.FG2.Z. 1995-12-28T21:35:03.24 10.0 undecidable manual SG 315 0.2886 0.09 0.8
--.FG5.Z. 1995-12-28T21:35:03.88 10.0 undecidable manual SG 201 0.333 -0.98 0.1
--.FG4.Z. 1995-12-28T21:35:02.11 10.0 undecidable manual PG 172 0.4551 0.07 1.9
--.FG3.Z. 1995-12-28T21:35:00.28 10.0 undecidable manual PG 73 0.3996 -0.34 1.3
--.FG5.Z. 1995-12-28T21:34:59.90 10.0 undecidable manual PG 201 0.333 -0.21 1.6
--.FG2.Z. 1995-12-28T21:34:58.17 10.0 undecidable manual PG 315 0.2886 -0.15 1.7
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