Earthquake with magnitude of Md 2.5 on date 29-11-1987 and time 00:52:30 (UTC) in region 10 km SE Cagnano Varano (FG)

A magnitude Md 2.5 earthquake occured in region: 10 km SE Cagnano Varano (FG), on

  • 29-11-1987 00:52:30 (UTC)
  • 29-11-1987 01:52:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.751, 15.843 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
Cagnano Varano FG 11 7330 7330
Carpino FG 11 4182 11512
San Giovanni Rotondo FG 11 27184 38696
Monte Sant'Angelo FG 11 12657 51353
Manfredonia FG 15 57279 108632
San Marco in Lamis FG 17 13831 122463
Ischitella FG 18 4432 126895
Mattinata FG 18 6310 133205
Vico del Gargano FG 19 7766 140971
Rodi Garganico FG 20 3693 144664

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Manfredonia (57279 inhabitants)
39 Km E of San Severo (53905 inhabitants)
41 Km NE of Foggia (151991 inhabitants)
54 Km N of Cerignola (58396 inhabitants)
60 Km NW of Barletta (94814 inhabitants)
69 Km NW of Andria (100440 inhabitants)
71 Km NW of Trani (56217 inhabitants)
79 Km NW of Bisceglie (55422 inhabitants)
88 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
Bulletin
Rev1000
Md 2.5
ML-VAX 2.2
1987-11-29
00:52:30
41.751 15.843 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 58969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-11-29 00:52:30 ± 0.4
Latitude 41.7510 ± 0.0283
Longitude 15.8430 ± 0.0273
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 58969

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) 3877.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 213
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00453
Epicentral distance of station farthest from the epicenter (degree) 0.01182
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 58969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:56:23

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 58969
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
--.BRT.Z. 1987-11-29T00:52:55.12 10.0 undecidable manual PN 130 0.0118 0.85 0.5
--.CDM.Z. 1987-11-29T00:52:55.50 10.0 undecidable manual SG 153 0.0066 -0.54 0.5
--.FG4.Z. 1987-11-29T00:52:54.80 10.0 undecidable manual SG 201 0.0059 0.66 0.4
--.BAI.Z. 1987-11-29T00:52:50.00 10.0 undecidable manual PG 128 0.0091 0.04 1.4
--.FG2.Z. 1987-11-29T00:52:47.78 10.0 undecidable manual SG 275 0.0045 -0.72 0.3
--.FG4.Z. 1987-11-29T00:52:44.50 10.0 undecidable manual PG 201 0.0059 0.45 1.3
--.CDM.Z. 1987-11-29T00:52:44.00 10.0 undecidable manual PG 153 0.0066 -1.11 0.3
--.FG2.Z. 1987-11-29T00:52:40.76 10.0 positive manual PG 275 0.0045 0.01 3.3
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