Earthquake with magnitude of Md 2.4 on date 12-05-1990 and time 02:38:25 (Italy) in region 4 km SW Vaglio Basilicata (PZ)

A magnitude Md 2.4 earthquake occured in region: 4 km SW Vaglio Basilicata (PZ), on

  • 12-05-1990 00:38:25 (UTC)
  • 12-05-1990 02:38:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6430, 15.8820 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
Vaglio Basilicata PZ 4 2047 2047
Brindisi Montagna PZ 6 908 2955
Potenza PZ 6 67122 70077
Cancellara PZ 11 1309 71386
Pignola PZ 11 6962 78348
Trivigno PZ 11 678 79026
Pietragalla PZ 12 4160 83186
Tolve PZ 12 3251 86437
Anzi PZ 15 1696 88133
Albano di Lucania PZ 15 1435 89568
Abriola PZ 16 1531 91099
Oppido Lucano PZ 17 3813 94912
Avigliano PZ 17 11577 106489
San Chirico Nuovo PZ 17 1368 107857
Acerenza PZ 18 2402 110259
Campomaggiore PZ 18 811 111070
Tito PZ 18 7332 118402
Calvello PZ 19 1948 120350
Castelmezzano PZ 19 800 121150
Ruoti PZ 19 3579 124729

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km E of Potenza (67122 inhabitants)
60 Km W of Altamura (70396 inhabitants)
61 Km W of Matera (60436 inhabitants)
69 Km S of Cerignola (58396 inhabitants)
74 Km SW of Andria (100440 inhabitants)
76 Km E of Battipaglia (50786 inhabitants)
82 Km SW of Barletta (94814 inhabitants)
84 Km SW of Trani (56217 inhabitants)
85 Km SW of Bisceglie (55422 inhabitants)
86 Km SW of Bitonto (55540 inhabitants)
87 Km SW of Molfetta (59874 inhabitants)
95 Km E of Salerno (135261 inhabitants)
96 Km S of Foggia (151991 inhabitants)
96 Km E of Avellino (54857 inhabitants)
99 Km SW of Bari (326344 inhabitants)
99 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 2.4
ML-VAX 1.7
1990-05-12
00:38:25
40.643 15.882 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 118479
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-12 00:38:25 ± 0.166
Latitude 40.6430 ± 0.0140
Longitude 15.8820 ± 0.0175
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 118479

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) 2146.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00397
Epicentral distance of station farthest from the epicenter (degree) 0.00882
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 118479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:49:58

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 118479
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. 1990-05-12T00:39:00.40 10.0 undecidable manual SG! 75 0.9768 1.06 0
--.BRT.Z. 1990-05-12T00:38:45.25 10.0 undecidable manual PG 75 0.9768 0.45 0.7
--.MGR.Z. 1990-05-12T00:38:45.65 10.0 undecidable manual SG 205 0.555 0.2 0.7
--.SGO.Z. 1990-05-12T00:38:42.16 10.0 undecidable manual SG 258 0.444 0.57 0.2
--.MGR.Z. 1990-05-12T00:38:36.58 10.0 undecidable manual PG 205 0.555 -0.41 1.1
--.CDT.Z. 1990-05-12T00:38:36.00 10.0 undecidable manual PG 33 0.5217 -0.34 1.3
--.SGO.Z. 1990-05-12T00:38:34.74 10.0 undecidable manual PG 258 0.444 -0.02 2
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