Earthquake with magnitude of Md 2.7 on date 31-05-1995 and time 13:04:34 (Italy) in region 1 km E San Martino d'Agri (PZ)

A magnitude Md 2.7 earthquake occured in region: 1 km E San Martino d'Agri (PZ), on

  • 31-05-1995 11:04:34 (UTC)
  • 31-05-1995 13:04:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.236, 16.061 at 11 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 Martino d'Agri PZ 1 801 801
San Chirico Raparo PZ 5 1084 1885
Armento PZ 8 631 2516
Spinoso PZ 9 1462 3978
Gallicchio PZ 9 862 4840
Montemurro PZ 9 1235 6075
Castelsaraceno PZ 10 1384 7459
Missanello PZ 10 566 8025
Carbone PZ 11 638 8663
Calvera PZ 12 387 9050
Castronuovo di Sant'Andrea PZ 12 1067 10117
Roccanova PZ 13 1543 11660
Teana PZ 14 613 12273
Guardia Perticara PZ 15 552 12825
Sarconi PZ 15 1404 14229
Grumento Nova PZ 16 1700 15929
Fardella PZ 16 627 16556
Moliterno PZ 16 4062 20618
Corleto Perticara PZ 17 2511 23129
Latronico PZ 17 4556 27685
Aliano MT 17 1008 28693
Viggiano PZ 18 3329 32022
Chiaromonte PZ 18 1965 33987
Episcopia PZ 18 1434 35421
Sant'Arcangelo PZ 18 6533 41954
Gorgoglione MT 19 989 42943
Cirigliano MT 20 375 43318

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km SE of Potenza (67122 inhabitants)
66 Km SW of Matera (60436 inhabitants)
78 Km SW of Altamura (70396 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 2.7
ML-VAX 2.2
1995-05-31
11:04:34
40.236 16.061 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 227199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-05-31 11:04:34 ± 0.216
Latitude 40.2360 ± 0.0181
Longitude 16.0610 ± 0.0192
Depth (km) 11 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 227199

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) 2586.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.00931
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 227199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:34:59

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 227199
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. 1995-05-31T11:05:09.40 10.0 undecidable manual SN 52 0.0093 -0.18 0.6
--.MU9.Z. 1995-05-31T11:04:58.49 10.0 undecidable manual SG 320 0.0061 0.6 0.6
--.LT9.Z. 1995-05-31T11:04:57.38 10.0 undecidable manual SG 57 0.0061 -0.53 0.6
--.SGO.Z. 1995-05-31T11:04:56.84 10.0 undecidable manual SG 299 0.0059 -0.29 0.8
--.TDS.Z. 1995-05-31T11:04:56.82 10.0 undecidable manual SG 159 0.0055 1.13 0.2
--.CI9.Z. 1995-05-31T11:04:55.00 10.0 undecidable manual PG 308 0.009 1.17 0.4
--.BRT.Z. 1995-05-31T11:04:53.92 10.0 undecidable manual PN 52 0.0093 -0.45 1.3
--.ORI.Z. 1995-05-31T11:04:48.00 10.0 undecidable manual SG 122 0.0031 0.88 0.4
--.MU9.Z. 1995-05-31T11:04:48.18 10.0 undecidable manual PG 320 0.0061 0.35 1.8
--.MGR.Z. 1995-05-31T11:04:47.30 10.0 undecidable manual SG 256 0.0036 -1.79 0
--.SGO.Z. 1995-05-31T11:04:47.45 10.0 undecidable manual PG 299 0.0059 0.05 2.1
--.TDS.Z. 1995-05-31T11:04:46.60 10.0 undecidable manual PG 159 0.0055 -0.5 1.7
--.LT9.Z. 1995-05-31T11:04:46.93 10.0 undecidable manual PG 57 0.0061 -0.91 0.9
--.MGR.Z. 1995-05-31T11:04:42.20 10.0 undecidable manual PG 256 0.0036 -0.57 1.5
--.ORI.Z. 1995-05-31T11:04:41.99 10.0 undecidable manual PG 122 0.0031 0.38 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