Earthquake with magnitude of Md 2.5 on date 29-10-1987 and time 15:56:21 (Italy) in region 4 km NE Marsico Nuovo (PZ)

A magnitude Md 2.5 earthquake occured in region: 4 km NE Marsico Nuovo (PZ), on

  • 29-10-1987 14:56:21 (UTC)
  • 29-10-1987 15:56:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.4520, 15.7670 at 12 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
Marsico Nuovo PZ 5 4098 4098
Abriola PZ 7 1531 5629
Calvello PZ 7 1948 7577
Sasso di Castalda PZ 8 835 8412
Paterno PZ 9 3368 11780
Marsicovetere PZ 10 5546 17326
Brienza PZ 12 4078 21404
Pignola PZ 14 6962 28366
Tramutola PZ 15 3089 31455
Anzi PZ 15 1696 33151
Satriano di Lucania PZ 15 2374 35525
Padula SA 15 5368 40893
Sala Consilina SA 16 12664 53557
Tito PZ 17 7332 60889
Viggiano PZ 17 3329 64218
Laurenzana PZ 18 1797 66015
Atena Lucana SA 18 2336 68351

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km S of Potenza (67122 inhabitants)
68 Km E of Battipaglia (50786 inhabitants)
74 Km W of Matera (60436 inhabitants)
79 Km SW of Altamura (70396 inhabitants)
89 Km E of Salerno (135261 inhabitants)
91 Km S of Cerignola (58396 inhabitants)
94 Km E of Cava de' Tirreni (53659 inhabitants)
97 Km SE of Avellino (54857 inhabitants)
97 Km SW of Andria (100440 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 1987-10-29
14:56:21
40.452 15.767 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 57889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-10-29 14:56:21 ± 0.349
Latitude 40.4520 ± 0.0166
Longitude 15.7670 ± 0.0135
Depth (km) 12 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 57889

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) 2171.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 276
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00631
Epicentral distance of station farthest from the epicenter (degree) 0.01012
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 57889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:55:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CDM.Z. 1987-10-29T14:56:46.50 10.0 undecidable manual SG 31 0.7326 -0.11 0.7
--.FG4.Z. 1987-10-29T14:56:45.72 10.0 undecidable manual SG 344 0.6993 -0.01 0.8
--.BAI.Z. 1987-10-29T14:56:42.00 10.0 undecidable manual PN 51 1.0656 0.32 0.6
--.BRT.Z. 1987-10-29T14:56:42.20 10.0 undecidable manual PN 67 1.1211 -0.34 0.5
--.CDM.Z. 1987-10-29T14:56:36.00 10.0 undecidable manual PG 31 0.7326 0.13 1.6
--.FG4.Z. 1987-10-29T14:56:35.27 10.0 undecidable manual PG 344 0.6993 -0.09 1.8
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