Earthquake with magnitude of Md 2.5 on date 26-01-1993 and time 19:08:56 (Italy) in region Golfo di Policastro (Salerno, Potenza)

A magnitude Md 2.5 earthquake occured in region: Golfo di Policastro (Salerno, Potenza), on

  • 26-01-1993 18:08:56 (UTC)
  • 26-01-1993 19:08:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.9540, 15.5950 at 340 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 12 5139 5139
Sapri SA 14 6770 11909
Ispani SA 15 1026 12935
Tortora CS 15 6187 19122
San Giovanni a Piro SA 16 3780 22902
Vibonati SA 17 3293 26195
Praia a Mare CS 17 6725 32920
Santa Marina SA 18 3243 36163
Trecchina PZ 18 2316 38479
Torraca SA 18 1263 39742
Rivello PZ 20 2767 42509
Aieta CS 20 823 43332

Municipalities with at least 50000 inhabitants

An earthquake occurred to
78 Km S of Potenza (67122 inhabitants)
89 Km SE of Battipaglia (50786 inhabitants)
93 Km NW of Cosenza (67546 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 2.2
1993-01-26
18:08:56
39.954 15.595 340 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 179389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-01-26 18:08:56 ± 2.609
Latitude 39.9540 ± 0.0409
Longitude 15.5950 ± 0.0910
Depth (km) 340 ± 22 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 179389

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) 8990.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.01716
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 179389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:48:14

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 8
Type of magnitude ML
Reference to an origin 179389
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
--.SOI.Z. 1993-01-26T18:09:48.15 10.0 undecidable manual P 169 1.9092 0.07 0.8
--.GMB.Z. 1993-01-26T18:09:47.37 10.0 undecidable manual P 174 1.7871 0.15 0.7
--.BRT.Z. 1993-01-26T18:09:45.00 10.0 undecidable manual P 51 1.4874 -0.23 0.8
--.GRI.Z. 1993-01-26T18:09:43.93 10.0 undecidable manual P 150 1.2987 -0.15 1
--.MMN.Z. 1993-01-26T18:09:41.20 10.0 undecidable manual P 101 0.3108 0.62 0.2
--.SGO.Z. 1993-01-26T18:09:41.46 10.0 undecidable manual P 340 0.6327 0.16 1.1
--.CZI.Z. 1993-01-26T18:09:41.34 10.0 negative manual P 150 0.8325 -0.63 0.6
--.TDS.Z. 1993-01-26T18:09:41.46 10.0 undecidable manual P 116 0.6327 0.16 1
--.CSI.Z. 1993-01-26T18:09:41.30 10.0 negative manual P 107 0.555 0.22 1.9
--.ROI.Z. 1993-01-26T18:09:41.98 10.0 negative manual P 116 0.8325 0.03 2.4
--.ORI.Z. 1993-01-26T18:09:41.34 10.0 undecidable manual P 81 0.6438 0 1.2
--.MGR.Z. 1993-01-26T18:09:39.81 10.0 undecidable manual P 350 0.1776 -0.63 0.3
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