Earthquake with magnitude of Md 3.4 on date 31-08-1993 and time 02:16:41 (Italy) in region Costa Cilentana (Salerno)

A magnitude Md 3.4 earthquake occured in region: Costa Cilentana (Salerno), on

  • 31-08-1993 00:16:41 (UTC)
  • 31-08-1993 02:16:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.98, 15.22 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
Centola SA 12 5168 5168
Camerota SA 14 6985 12153
Pisciotta SA 15 2641 14794
San Mauro la Bruca SA 17 603 15397
Ascea SA 19 5820 21217

Municipalities with at least 50000 inhabitants

An earthquake occurred to
73 Km S of Battipaglia (50786 inhabitants)
87 Km SE of Salerno (135261 inhabitants)
89 Km SW of Potenza (67122 inhabitants)
91 Km SE 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
Rev 1000 Md 3.4
ML-VAX 3.7
1993-08-31
00:16:41
39.98 15.22 340 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 195669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-08-31 00:16:41 ± 0.66
Latitude 39.98 ± 0.02
Longitude 15.22 ± 0.04
Depth (km) 340 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 195669

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) 3791.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 66
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.07269
Number of stations at which the event was observed 57
Number of stations from which data was used for origin computation 57
Magnitudes information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 195669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:03:50

ML:3.7

Field Value
Value 3.7
Uncertainty
Num. used stations 20
Type of magnitude ML
Reference to an origin 195669
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 Takeoff_angle Residual Weight
--.BNI.Z. 1993-08-31T00:18:41.66 10.0 undecidable manual P 312 0.0727 -0.68 0.4
--.DOI.Z. 1993-08-31T00:18:32.52 10.0 undecidable manual P 310 0.0669 -1.63 0.1
--.CKI.Z. 1993-08-31T00:18:25.28 10.0 undecidable manual P 313 0.0611 -0.56 0.5
--.FVI.Z. 1993-08-31T00:18:25.28 10.0 positive manual P 346 0.0616 -1.24 0.4
--.MEU.Z. 1993-08-31T00:18:24.00 10.0 undecidable manual S 186 0.0259 -0.46 0.3
--.RBL.Z. 1993-08-31T00:18:21.82 10.0 positive manual P 350 0.0591 -1.3 0.3
--.CTI.Z. 1993-08-31T00:18:21.82 10.0 positive manual P 338 0.0594 -1.71 0.1
--.BOB.Z. 1993-08-31T00:18:20.37 10.0 negative manual P 320 0.0576 -0.77 0.9
--.AU9.N. 1993-08-31T00:18:19.90 10.0 undecidable manual S 180 0.0244 -2 0
--.GIO.Z. 1993-08-31T00:18:17.34 10.0 undecidable manual S 182 0.0217 0.33 0.4
--.CS9.Z. 1993-08-31T00:18:14.00 10.0 undecidable manual S 204 0.02 -0.33 0.4
--.MO9.Z. 1993-08-31T00:18:11.21 10.0 undecidable manual S 169 0.0181 -0.06 0.4
--.TU9.Z. 1993-08-31T00:18:11.83 10.0 undecidable manual S 201 0.0194 -1.54 0
--.GU9.Z. 1993-08-31T00:18:10.74 10.0 undecidable manual P 323 0.0499 0.13 0.7
--.ZC9.Z. 1993-08-31T00:18:09.55 10.0 undecidable manual P 325 0.0484 1.09 0.1
--.SC9.Z. 1993-08-31T00:18:07.00 10.0 undecidable manual S 167 0.0159 -1.16 0.1
--.BDI.Z. 1993-08-31T00:18:07.40 10.0 undecidable manual P 321 0.048 -0.47 0.7
--.PII.Z. 1993-08-31T00:18:05.62 10.0 undecidable manual P 318 0.0461 0.34 0.6
--.GRI.Z. 1993-08-31T00:18:03.00 10.0 undecidable manual S 141 0.0133 -1.92 0
--.SFI.Z. 1993-08-31T00:18:00.61 10.0 undecidable manual P 328 0.0418 0.76 0.3
--.TDS.Z. 1993-08-31T00:17:58.00 10.0 undecidable manual S ! 110 0.0082 -1.91 0
--.RSM.Z. 1993-08-31T00:17:57.58 10.0 positive manual P 333 0.0401 0.11 1.6
--.CRE.Z. 1993-08-31T00:17:57.37 10.0 undecidable manual P 327 0.0393 0.72 0.4
--.PTS.Z. 1993-08-31T00:17:52.72 10.0 undecidable manual P 219 0.0364 -0.24 0.8
--.MAO.Z. 1993-08-31T00:17:51.79 10.0 negative manual P 310 0.0351 0.41 1.3
--.ARV.Z. 1993-08-31T00:17:51.15 10.0 positive manual P 335 0.0351 -0.19 1.8
--.ASS.Z. 1993-08-31T00:17:48.80 10.0 undecidable manual P 329 0.0326 0.37 0.7
--.MNS.Z. 1993-08-31T00:17:43.27 10.0 undecidable manual P 322 0.0276 0.67 0.5
--.PZI.Z. 1993-08-31T00:17:41.32 10.0 undecidable manual P 184 0.0263 0.12 1.1
--.CVT.Z. 1993-08-31T00:17:41.84 10.0 positive manual P 220 0.0268 0.18 2.1
--.MEU.Z. 1993-08-31T00:17:41.17 10.0 positive manual P 186 0.0259 0.42 1.9
--.AQU.Z. 1993-08-31T00:17:40.53 10.0 undecidable manual P 330 0.0246 1.1 0.2
--.MCT.Z. 1993-08-31T00:17:40.43 10.0 undecidable manual P 208 0.024 1.66 0.1
--.AU9.Z. 1993-08-31T00:17:38.33 10.0 undecidable manual P 180 0.0244 -0.95 0.4
--.GIO.Z. 1993-08-31T00:17:37.82 10.0 undecidable manual P 182 0.0217 1.37 0.2
--.LCI.Z. 1993-08-31T00:17:35.36 10.0 negative manual P 80 0.0201 0.38 1.7
--.TU9.Z. 1993-08-31T00:17:34.41 10.0 positive manual P 201 0.0194 0.06 2.2
--.PL9.Z. 1993-08-31T00:17:34.41 10.0 positive manual P 203 0.0193 0.11 2.1
--.CS9.Z. 1993-08-31T00:17:34.87 10.0 positive manual P 204 0.02 -0.04 2.2
--.MNO.Z. 1993-08-31T00:17:34.97 10.0 undecidable manual P 191 0.0187 1.23 0.2
--.GIB.Z. 1993-08-31T00:17:34.69 10.0 positive manual P 205 0.0197 0.08 2.2
--.SDI.Z. 1993-08-31T00:17:33.77 10.0 undecidable manual P 329 0.0182 0.46 0.7
--.MO9.Z. 1993-08-31T00:17:33.60 10.0 negative manual P 169 0.0181 -0.08 2.1
--.USI.Z. 1993-08-31T00:17:33.19 10.0 undecidable manual P 232 0.0182 -0.06 1.1
--.DUI.Z. 1993-08-31T00:17:32.19 10.0 undecidable manual P 341 0.0159 0.76 0.4
--.SOI.Z. 1993-08-31T00:17:32.70 10.0 negative manual P 161 0.0181 -0.45 1.7
--.ATN.Z. 1993-08-31T00:17:31.30 10.0 negative manual P 174 0.0164 -0.51 1.6
--.BAI.Z. 1993-08-31T00:17:31.00 10.0 undecidable manual P 47 0.0151 0.16 1
--.GMB.Z. 1993-08-31T00:17:31.34 10.0 undecidable manual P 165 0.0168 -0.76 0.6
--.RFI.Z. 1993-08-31T00:17:31.80 10.0 undecidable manual P 325 0.0146 0.72 0.5
--.FG2.Z. 1993-08-31T00:17:31.30 10.0 positive manual P 358 0.0164 -0.48 1.9
--.BRT.Z. 1993-08-31T00:17:31.21 10.0 negative manual P 58 0.0154 0.18 2
--.SC9.Z. 1993-08-31T00:17:30.47 10.0 negative manual P 167 0.0159 -0.87 1
--.GRI.Z. 1993-08-31T00:17:29.20 10.0 undecidable manual P 141 0.0133 -0.45 0.9
--.SA1.Z. 1993-08-31T00:17:29.48 10.0 negative manual P 192 0.013 0.22 2.1
--.CDT.Z. 1993-08-31T00:17:28.00 10.0 undecidable manual P 35 0.0122 -0.77 0.7
--.FG4.Z. 1993-08-31T00:17:27.74 10.0 positive manual P 11 0.0105 -0.03 2.1
--.ROI.Z. 1993-08-31T00:17:27.65 10.0 undecidable manual P 111 0.01 0.2 2
--.CSI.Z. 1993-08-31T00:17:26.73 10.0 undecidable manual P 103 0.0075 0.42 1.7
--.ACI.Z. 1993-08-31T00:17:26.20 10.0 undecidable manual P 129 0.0088 -0.66 1.4
--.CZI.Z. 1993-08-31T00:17:26.33 10.0 undecidable manual P 137 0.0093 -0.77 0.6
--.TDS.Z. 1993-08-31T00:17:26.83 10.0 undecidable manual P 110 0.0082 0.25 1
--.MMN.Z. 1993-08-31T00:17:26.20 10.0 undecidable manual P 98 0.0053 0.69 1.2
--.ORI.Z. 1993-08-31T00:17:26.91 10.0 negative manual P 85 0.0084 0.23 2
--.SGO.Z. 1993-08-31T00:17:25.63 10.0 negative manual P 6 0.0052 0.16 2
--.MGR.Z. 1993-08-31T00:17:24.86 10.0 negative manual P 58 0.0027 -0.04 2.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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