Earthquake with magnitude of Md 2.0 on date 06-04-1993 and time 08:55:21 (Italy) in region Golfo di Policastro (Salerno, Potenza)

A magnitude Md 2.0 earthquake occured in region: Golfo di Policastro (Salerno, Potenza), on

  • 06-04-1993 06:55:21 (UTC)
  • 06-04-1993 08:55:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9420, 15.6550 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
Maratea PZ 9 5139 5139
Tortora CS 10 6187 11326
Praia a Mare CS 12 6725 18051
Trecchina PZ 14 2316 20367
Aieta CS 15 823 21190
Sapri SA 15 6770 27960
San Nicola Arcella CS 16 1957 29917
Rivello PZ 18 2767 32684
Ispani SA 18 1026 33710
Nemoli PZ 19 1495 35205
Scalea CS 19 10913 46118
Torraca SA 19 1263 47381
Vibonati SA 19 3293 50674
Lauria PZ 20 12919 63593

Municipalities with at least 50000 inhabitants

An earthquake occurred to
79 Km S of Potenza (67122 inhabitants)
89 Km NW of Cosenza (67546 inhabitants)
93 Km SE of Battipaglia (50786 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 1993-04-06
06:55:21
39.942 15.655 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 182989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-04-06 06:55:21 ± 0.152
Latitude 39.9420 ± 0.0111
Longitude 15.6550 ± 0.0139
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 182989

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) 1710.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00599
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 2
Type of magnitude Md
Reference to an origin 182989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:51:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1993-04-06T06:55:44.87 10.0 undecidable manual SG 336 0.666 0.06 0.5
--.SGO.Z. 1993-04-06T06:55:34.91 10.0 undecidable manual PG 336 0.666 0.03 1.4
--.CSI.Z. 1993-04-06T06:55:31.85 10.0 undecidable manual PG 107 0.5106 -0.11 0.9
--.MMN.Z. 1993-04-06T06:55:31.50 10.0 undecidable manual SG 101 0.2553 -0.16 0.2
--.MGR.Z. 1993-04-06T06:55:30.20 10.0 undecidable manual SG 338 0.2109 0.03 0.8
--.MMN.Z. 1993-04-06T06:55:27.40 10.0 undecidable manual PG 101 0.2553 0.11 2.2
--.MGR.Z. 1993-04-06T06:55:26.22 10.0 undecidable manual PG 338 0.2109 -0.11 1.1
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