Earthquake with magnitude of Md 2.3 on date 07-05-1990 and time 04:29:15 (UTC) in region 4 km S Potenza (PZ)

A magnitude Md 2.3 earthquake occured in region: 4 km S Potenza (PZ), on

  • 07-05-1990 04:29:15 (UTC)
  • 07-05-1990 06:29:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6090, 15.7950 at 6 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
Potenza PZ 4 67122 67122
Pignola PZ 4 6962 74084
Tito PZ 10 7332 81416
Abriola PZ 11 1531 82947
Brindisi Montagna PZ 12 908 83855
Vaglio Basilicata PZ 12 2047 85902
Picerno PZ 14 5985 91887
Avigliano PZ 15 11577 103464
Anzi PZ 15 1696 105160
Satriano di Lucania PZ 15 2374 107534
Calvello PZ 15 1948 109482
Ruoti PZ 16 3579 113061
Sasso di Castalda PZ 17 835 113896
Trivigno PZ 17 678 114574
Pietragalla PZ 17 4160 118734
Cancellara PZ 18 1309 120043
Baragiano PZ 19 2671 122714

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km S of Potenza (67122 inhabitants)
68 Km W of Matera (60436 inhabitants)
68 Km W of Altamura (70396 inhabitants)
68 Km E of Battipaglia (50786 inhabitants)
74 Km S of Cerignola (58396 inhabitants)
81 Km SW of Andria (100440 inhabitants)
88 Km E of Salerno (135261 inhabitants)
89 Km SW of Barletta (94814 inhabitants)
91 Km SW of Trani (56217 inhabitants)
91 Km E of Avellino (54857 inhabitants)
92 Km SW of Bisceglie (55422 inhabitants)
92 Km E of Cava de' Tirreni (53659 inhabitants)
94 Km SW of Bitonto (55540 inhabitants)
95 Km SW of Molfetta (59874 inhabitants)
97 Km S of Foggia (151991 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 2.3
ML-VAX 1.7
1990-05-07
04:29:15
40.609 15.795 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 117239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-07 04:29:15 ± 0.331
Latitude 40.6090 ± 0.0129
Longitude 15.7950 ± 0.0151
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 117239

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) 1917.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.01659
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 117239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:48:55

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 117239
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(km) Takeoff_angle Residual Weight
--.DUI.Z. 1990-05-07T04:30:02.00 10.0 undecidable manual SN 316 1.443 0.21 0.6
--.BRT.Z. 1990-05-07T04:29:52.93 10.0 undecidable manual SG 74 1.0545 0.65 0.3
--.GRI.Z. 1990-05-07T04:29:47.00 10.0 undecidable manual PN 164 1.8426 -0.7 0.5
--.DUI.Z. 1990-05-07T04:29:42.00 10.0 undecidable manual PN 316 1.443 -0.27 1.5
--.ORI.Z. 1990-05-07T04:29:42.00 10.0 undecidable manual SG 137 0.7326 -0.25 0.8
--.BRT.Z. 1990-05-07T04:29:37.41 10.0 undecidable manual PG 74 1.0545 0.63 0.9
--.MGR.Z. 1990-05-07T04:29:35.00 10.0 undecidable manual SG 200 0.4995 0.45 0.6
--.ORI.Z. 1990-05-07T04:29:31.20 10.0 undecidable manual PG 137 0.7326 0.21 2
--.SGO.Z. 1990-05-07T04:29:30.70 10.0 undecidable manual SG 262 0.3663 0.59 0.4
--.CDT.Z. 1990-05-07T04:29:27.00 10.0 undecidable manual PG? 36 0.5883 -1.21 0
--.MGR.Z. 1990-05-07T04:29:26.39 10.0 undecidable manual PG 200 0.4995 -0.15 2.1
--.SGO.Z. 1990-05-07T04:29:24.12 10.0 undecidable manual PG 262 0.3663 0.14 2.1
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