Earthquake with magnitude of Md 2.5 on date 25-05-1990 and time 11:57:28 (UTC) in region 2 km N Potenza (PZ)

A magnitude Md 2.5 earthquake occured in region: 2 km N Potenza (PZ), on

  • 25-05-1990 11:57:28 (UTC)
  • 25-05-1990 13:57:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6620, 15.8100 at 5 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 2 67122 67122
Vaglio Basilicata PZ 9 2047 69169
Pignola PZ 10 6962 76131
Avigliano PZ 11 11577 87708
Pietragalla PZ 12 4160 91868
Brindisi Montagna PZ 12 908 92776
Cancellara PZ 13 1309 94085
Ruoti PZ 13 3579 97664
Tito PZ 14 7332 104996
Picerno PZ 15 5985 110981
Abriola PZ 17 1531 112512
Tolve PZ 17 3251 115763
Trivigno PZ 18 678 116441
Baragiano PZ 18 2671 119112
Filiano PZ 19 2926 122038
Acerenza PZ 19 2402 124440
Anzi PZ 19 1696 126136
Oppido Lucano PZ 19 3813 129949
Satriano di Lucania PZ 20 2374 132323

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km N of Potenza (67122 inhabitants)
65 Km W of Altamura (70396 inhabitants)
67 Km W of Matera (60436 inhabitants)
68 Km S of Cerignola (58396 inhabitants)
70 Km E of Battipaglia (50786 inhabitants)
75 Km SW of Andria (100440 inhabitants)
83 Km SW of Barletta (94814 inhabitants)
85 Km SW of Trani (56217 inhabitants)
87 Km SW of Bisceglie (55422 inhabitants)
89 Km E of Salerno (135261 inhabitants)
90 Km SW of Bitonto (55540 inhabitants)
90 Km E of Avellino (54857 inhabitants)
90 Km SW of Molfetta (59874 inhabitants)
92 Km S of Foggia (151991 inhabitants)
93 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 2.5
ML-VAX 2.4
1990-05-25
11:57:28
40.662 15.81 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 119679
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-25 11:57:28 ± 0.223
Latitude 40.6620 ± 0.0166
Longitude 15.8100 ± 0.0162
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 119679

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) 2291.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00348
Epicentral distance of station farthest from the epicenter (degree) 0.01166
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 119679
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:51:07

ML:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 119679
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
--.TDS.Z. 1990-05-25T11:58:06.50 10.0 undecidable manual SN 157 1.0767 0.07 0.6
--.BRT.Z. 1990-05-25T11:58:06.00 10.0 undecidable manual SG 77 1.0323 0.99 0.2
--.BSS.Z. 1990-05-25T11:57:57.18 10.0 undecidable manual SG 278 0.7437 1.14 0.2
--.SGG.Z. 1990-05-25T11:57:54.70 10.0 undecidable manual PN 304 1.2987 1.09 0.4
--.TDS.Z. 1990-05-25T11:57:51.00 10.0 undecidable manual PN 157 1.0767 0.42 1.2
--.BRT.Z. 1990-05-25T11:57:50.00 10.0 undecidable manual PG 77 1.0323 0.24 1.4
--.TR9.Z. 1990-05-25T11:57:49.60 10.0 undecidable manual SG 311 0.5772 -0.9 0.2
--.CDT.Z. 1990-05-25T11:57:48.00 10.0 undecidable manual SG 39 0.5439 -1.36 0.1
--.MGR.Z. 1990-05-25T11:57:48.54 10.0 undecidable manual SG 200 0.555 -1.2 0.1
--.ORI.Z. 1990-05-25T11:57:45.17 10.0 undecidable manual PG 141 0.777 0.16 1.7
--.BSS.Z. 1990-05-25T11:57:45.57 10.0 undecidable manual PG 278 0.7437 0.99 0.7
--.SGO.Z. 1990-05-25T11:57:44.00 10.0 undecidable manual SG 254 0.3885 -0.21 0.6
--.TR9.Z. 1990-05-25T11:57:41.10 10.0 undecidable manual PG 311 0.5772 -0.28 1.5
--.CDT.Z. 1990-05-25T11:57:40.00 10.0 undecidable manual PG 39 0.5439 -0.72 0.9
--.MGR.Z. 1990-05-25T11:57:40.55 10.0 positive manual PG 200 0.555 -0.39 2.8
--.SGO.Z. 1990-05-25T11:57:37.70 10.0 positive manual PG 254 0.3885 -0.05 3.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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