Earthquake with magnitude of Md 2.3 on date 08-05-1990 and time 20:51:00 (UTC) in region 7 km N Potenza (PZ)

A magnitude Md 2.3 earthquake occured in region: 7 km N Potenza (PZ), on

  • 08-05-1990 20:51:00 (UTC)
  • 08-05-1990 22:51:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6970, 15.8280 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
Potenza PZ 7 67122 67122
Pietragalla PZ 7 4160 71282
Vaglio Basilicata PZ 9 2047 73329
Cancellara PZ 9 1309 74638
Avigliano PZ 10 11577 86215
Ruoti PZ 13 3579 89794
Brindisi Montagna PZ 14 908 90702
Pignola PZ 14 6962 97664
Acerenza PZ 15 2402 100066
Tolve PZ 16 3251 103317
Oppido Lucano PZ 16 3813 107130
Filiano PZ 16 2926 110056
Picerno PZ 17 5985 116041
Tito PZ 18 7332 123373
Forenza PZ 18 2122 125495
Trivigno PZ 19 678 126173
Baragiano PZ 20 2671 128844

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km N of Potenza (67122 inhabitants)
63 Km W of Altamura (70396 inhabitants)
64 Km S of Cerignola (58396 inhabitants)
65 Km W of Matera (60436 inhabitants)
71 Km SW of Andria (100440 inhabitants)
72 Km E of Battipaglia (50786 inhabitants)
79 Km SW of Barletta (94814 inhabitants)
81 Km SW of Trani (56217 inhabitants)
83 Km SW of Bisceglie (55422 inhabitants)
86 Km SW of Molfetta (59874 inhabitants)
86 Km SW of Bitonto (55540 inhabitants)
89 Km S of Foggia (151991 inhabitants)
90 Km E of Salerno (135261 inhabitants)
90 Km E of Avellino (54857 inhabitants)
95 Km E of Cava de' Tirreni (53659 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
1990-05-08
20:51:00
40.697 15.828 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 117609
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-08 20:51:00 ± 0.319
Latitude 40.6970 ± 0.0269
Longitude 15.8280 ± 0.0311
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 117609

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) 3978.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.00907
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 117609
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:49:15

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 117609
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
--.BRT.Z. 1990-05-08T20:51:36.39 10.0 undecidable manual SG 79 1.0101 1.09 0.4
--.MGR.Z. 1990-05-08T20:51:21.00 10.0 undecidable manual SG 200 0.5883 -0.88 0.5
--.BRT.Z. 1990-05-08T20:51:19.95 10.0 undecidable manual PG 79 1.0101 -0.78 1.2
--.ORI.Z. 1990-05-08T20:51:18.00 10.0 undecidable manual PG 143 0.7881 1.27 0.8
--.CDT.Z. 1990-05-08T20:51:18.50 10.0 undecidable manual SG 40 0.4995 -0.67 0.7
--.BSS.Z. 1990-05-08T20:51:17.50 10.0 undecidable manual PG 275 0.7548 1.4 0.7
--.SGO.Z. 1990-05-08T20:51:14.60 10.0 undecidable manual SG 250 0.4107 -1.55 0.2
--.MGR.Z. 1990-05-08T20:51:12.24 10.0 undecidable manual PG 200 0.5883 -0.74 1.5
--.CDT.Z. 1990-05-08T20:51:11.00 10.0 undecidable manual PG 40 0.4995 -0.41 1.9
--.SGO.Z. 1990-05-08T20:51:09.86 10.0 undecidable manual PG 250 0.4107 0.19 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