Earthquake with magnitude of Md 2.0 on date 11-06-1991 and time 02:03:22 (Italy) in region 7 km W Potenza (PZ)

A magnitude Md 2.0 earthquake occured in region: 7 km W Potenza (PZ), on

  • 11-06-1991 00:03:22 (UTC)
  • 11-06-1991 02:03:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6350, 15.7290 at 12 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
Tito PZ 7 7332 74454
Picerno PZ 8 5985 80439
Pignola PZ 8 6962 87401
Ruoti PZ 10 3579 90980
Avigliano PZ 11 11577 102557
Baragiano PZ 12 2671 105228
Satriano di Lucania PZ 13 2374 107602
Abriola PZ 16 1531 109133
Savoia di Lucania PZ 17 1127 110260
Vaglio Basilicata PZ 17 2047 112307
Sasso di Castalda PZ 17 835 113142
Sant'Angelo Le Fratte PZ 17 1429 114571
Brindisi Montagna PZ 18 908 115479
Pietragalla PZ 18 4160 119639
Balvano PZ 18 1830 121469
Vietri di Potenza PZ 19 2832 124301
Brienza PZ 19 4078 128379
Filiano PZ 20 2926 131305
Cancellara PZ 20 1309 132614

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km W of Potenza (67122 inhabitants)
63 Km E of Battipaglia (50786 inhabitants)
72 Km S of Cerignola (58396 inhabitants)
73 Km W of Altamura (70396 inhabitants)
74 Km W of Matera (60436 inhabitants)
81 Km SW of Andria (100440 inhabitants)
82 Km E of Salerno (135261 inhabitants)
85 Km E of Avellino (54857 inhabitants)
87 Km E of Cava de' Tirreni (53659 inhabitants)
89 Km SW of Barletta (94814 inhabitants)
92 Km SW of Trani (56217 inhabitants)
93 Km S of Foggia (151991 inhabitants)
94 Km SW of Bisceglie (55422 inhabitants)
97 Km SE of Benevento (60091 inhabitants)
97 Km SW of Molfetta (59874 inhabitants)
97 Km SW of Bitonto (55540 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 2.0 1991-06-11
00:03:22
40.635 15.729 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 143189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-06-11 00:03:22 ± 0.318
Latitude 40.6350 ± 0.0198
Longitude 15.7290 ± 0.0235
Depth (km) 12 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 143189

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) 2968.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00461
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 143189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:13:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MGR.Z. 1991-06-11T00:03:41.60 10.0 undecidable manual SG 195 0.5106 0.21 0.4
--.SGO.Z. 1991-06-11T00:03:34.69 10.0 undecidable manual SG 256 0.3219 -0.74 0.2
--.MGR.Z. 1991-06-11T00:03:33.31 10.0 undecidable manual PG 195 0.5106 -0.28 1
--.SGO.Z. 1991-06-11T00:03:30.39 10.0 undecidable manual PG 256 0.3219 0.24 1.3
--.VG9.Z. 1991-06-11T00:03:28.80 10.0 undecidable manual SG 72 0.1221 -0.54 0.2
--.PG9.Z. 1991-06-11T00:03:27.50 10.0 undecidable manual SG 94 0.0666 -0.33 0.4
--.VG9.Z. 1991-06-11T00:03:26.63 10.0 negative manual PG 72 0.1221 0 3.9
--.PG9.Z. 1991-06-11T00:03:26.45 10.0 undecidable manual PG 94 0.0666 0.68 0.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download