Earthquake with magnitude of Md 2.4 on date 27-04-1998 and time 00:59:20 (UTC) in region 2 km E Potenza (PZ)

A magnitude Md 2.4 earthquake occured in region: 2 km E Potenza (PZ), on

  • 27-04-1998 00:59:20 (UTC)
  • 27-04-1998 02:59:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6330, 15.8310 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 2 67122 67122
Pignola PZ 8 6962 74084
Vaglio Basilicata PZ 9 2047 76131
Brindisi Montagna PZ 10 908 77039
Pietragalla PZ 14 4160 81199
Cancellara PZ 14 1309 82508
Abriola PZ 14 1531 84039
Tito PZ 14 7332 91371
Avigliano PZ 14 11577 102948
Trivigno PZ 15 678 103626
Anzi PZ 15 1696 105322
Ruoti PZ 16 3579 108901
Picerno PZ 16 5985 114886
Tolve PZ 17 3251 118137
Calvello PZ 18 1948 120085
Albano di Lucania PZ 18 1435 121520
Satriano di Lucania PZ 19 2374 123894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km E of Potenza (67122 inhabitants)
65 Km W of Altamura (70396 inhabitants)
65 Km W of Matera (60436 inhabitants)
71 Km S of Cerignola (58396 inhabitants)
72 Km E of Battipaglia (50786 inhabitants)
77 Km SW of Andria (100440 inhabitants)
85 Km SW of Barletta (94814 inhabitants)
87 Km SW of Trani (56217 inhabitants)
88 Km SW of Bisceglie (55422 inhabitants)
90 Km SW of Bitonto (55540 inhabitants)
91 Km E of Salerno (135261 inhabitants)
91 Km SW of Molfetta (59874 inhabitants)
93 Km E of Avellino (54857 inhabitants)
95 Km E of Cava de' Tirreni (53659 inhabitants)
95 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 2.4 1998-04-27
00:59:20
40.633 15.831 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 336659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-04-27 00:59:20 ± 0.434
Latitude 40.6330 ± 0.0136
Longitude 15.8310 ± 0.0330
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 336659

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) 3167.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 259
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.00356
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 336659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:15:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1998-04-27T00:59:35.40 10.0 undecidable manual SG 259 0.3996 0.2 0.5
--.SL9.Z. 1998-04-27T00:59:32.90 10.0 undecidable manual SG 211 0.2775 0.67 0.1
--.MU9.Z. 1998-04-27T00:59:31.47 10.0 undecidable manual SG 296 0.2886 -0.04 0.6
--.SGO.Z. 1998-04-27T00:59:28.18 10.0 undecidable manual PG 259 0.3996 -0.73 0.2
--.CA9.Z. 1998-04-27T00:59:28.94 10.0 undecidable manual PG 312 0.3996 0.14 1.3
--.SL9.Z. 1998-04-27T00:59:26.65 10.0 undecidable manual PG 211 0.2775 -0.08 1.5
--.MU9.Z. 1998-04-27T00:59:26.95 10.0 positive manual PG 296 0.2886 0.17 2.8
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