Earthquake with magnitude of Md 4.0 on date 15-06-1991 and time 20:58:31 (UTC) in region Mar Ionio Settentrionale (MARE)

A magnitude Md 4.0 earthquake occured in region: Mar Ionio Settentrionale (MARE), on

  • 15-06-1991 20:58:31 (UTC)
  • 15-06-1991 22:58:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.77, 17.09 at 5 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km S of Crotone (62178 inhabitants)
45 Km E of Catanzaro (90612 inhabitants)
70 Km E of Lamezia Terme (70714 inhabitants)
92 Km SE 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
Rev 1000 Md 4.0
ML-VAX 3.6
1991-06-15
20:58:31
38.77 17.09 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 143539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-06-15 20:58:31 ± 0.169
Latitude 38.77 ± 0.01
Longitude 17.09 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 143539

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) 2176.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 93
Number of defining phases 93
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.08961
Number of stations at which the event was observed 76
Number of stations from which data was used for origin computation 76
Magnitudes information

Md:4

Field Value
Value 4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 143539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:13:58

ML:3.6

Field Value
Value 3.6
Uncertainty
Num. used stations 14
Type of magnitude ML
Reference to an origin 143539
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
--.LJU.Z. 1991-06-15T21:01:43.00 10.0 undecidable manual SN 346 0.0675 0.72 0.3
--.VOY.Z. 1991-06-15T21:01:42.00 10.0 undecidable manual SN! 342 0.0686 -3.13 0
--.BNI.Z. 1991-06-15T21:00:57.50 10.0 undecidable manual PN 312 0.0896 1.98 0.1
--.MLR.Z. 1991-06-15T21:00:51.00 10.0 undecidable manual PN! 40 0.0844 3.35 0
--.MDI.Z. 1991-06-15T21:00:41.50 10.0 undecidable manual PN 324 0.0798 0.93 0.6
--.CKI.Z. 1991-06-15T21:00:39.50 10.0 undecidable manual PN 313 0.078 1.72 0.2
--.PLE.Z. 1991-06-15T21:00:37.70 10.0 undecidable manual SN 19 0.0439 -1.98 0.1
--.FVI.Z. 1991-06-15T21:00:35.00 10.0 undecidable manual PN 339 0.0758 0.48 0.9
--.IVA.Z. 1991-06-15T21:00:33.20 10.0 undecidable manual SN 26 0.0415 -0.3 0.5
--.CTI.Z. 1991-06-15T21:00:32.24 10.0 undecidable manual PN 332 0.0747 -0.51 0.9
--.VOY.Z. 1991-06-15T21:00:26.20 10.0 undecidable manual PN! 342 0.0686 2.73 0
--.PVY.Z. 1991-06-15T21:00:26.20 10.0 undecidable manual SN! 28 0.0396 -2.22 0
--.NPS.Z. 1991-06-15T21:00:25.00 10.0 undecidable manual PN 114 0.0688 1.17 0.5
--.BRY.Z. 1991-06-15T21:00:24.20 10.0 undecidable manual SN 14 0.0384 -1.09 0.3
--.LJU.Z. 1991-06-15T21:00:22.00 10.0 undecidable manual PN 346 0.0675 0.16 1
--.NKY.Z. 1991-06-15T21:00:22.20 10.0 undecidable manual SN! 18 0.0385 -3.53 0
--.CEY.Z. 1991-06-15T21:00:21.50 10.0 undecidable manual PN! 344 0.0651 3.42 0
--.TTG.Z. 1991-06-15T21:00:17.00 10.0 undecidable manual SN! 23 0.036 -2.1 0
--.PTJ.Z. 1991-06-15T21:00:16.20 10.0 undecidable manual PN 353 0.0646 -1.12 0.6
--.VBY.Z. 1991-06-15T21:00:15.00 10.0 undecidable manual PN! 348 0.0618 2.02 0
--.RDO.Z. 1991-06-15T21:00:14.50 10.0 undecidable manual PN 66 0.062 1.13 0.6
--.HCY.Z. 1991-06-15T21:00:12.50 10.0 undecidable manual SN! 15 0.0344 -2.22 0
--.BDV.Z. 1991-06-15T21:00:11.60 10.0 undecidable manual SN 19 0.0337 -1.31 0.4
--.CGL.Z. 1991-06-15T21:00:01.58 10.0 undecidable manual PN 277 0.0546 -0.55 1
--.ARV.Z. 1991-06-15T20:59:57.44 10.0 undecidable manual PN 327 0.0509 0.97 0.8
--.ASS.Z. 1991-06-15T20:59:54.50 10.0 undecidable manual PN 323 0.0489 1.05 0.8
--.ATH.Z. 1991-06-15T20:59:52.60 10.0 undecidable manual PN 96 0.0473 1.72 0.3
--.VLI.Z. 1991-06-15T20:59:49.60 10.0 undecidable manual PN 111 0.0455 1.38 0.5
--.MNS.Z. 1991-06-15T20:59:47.50 10.0 undecidable manual PN 318 0.0443 1.17 0.7
--.VAY.Z. 1991-06-15T20:59:46.00 10.0 undecidable manual PN 56 0.0441 -0.12 1.3
--.PLE.Z. 1991-06-15T20:59:46.20 10.0 undecidable manual PN 19 0.0439 0.52 1.2
--.IVA.Z. 1991-06-15T20:59:43.30 10.0 undecidable manual PN 26 0.0415 1.18 0.7
--.SKO.Z. 1991-06-15T20:59:42.50 10.0 undecidable manual PN 44 0.0414 0.53 1.2
--.RMP.Z. 1991-06-15T20:59:41.50 10.0 undecidable manual PN 313 0.0406 0.73 1.1
--.PVY.Z. 1991-06-15T20:59:39.50 10.0 undecidable manual PN 28 0.0396 0.31 1.4
--.NKY.Z. 1991-06-15T20:59:36.50 10.0 negative manual PN 18 0.0385 -1.14 1.6
--.BRY.Z. 1991-06-15T20:59:36.20 10.0 negative manual PN 14 0.0384 -1.18 1.5
--.BRT.Z. 1991-06-15T20:59:34.00 10.0 undecidable manual SN 0 0.0189 0.3 0.6
--.KZN.Z. 1991-06-15T20:59:34.00 10.0 undecidable manual PN 65 0.0352 1.41 0.6
--.SDI.Z. 1991-06-15T20:59:32.63 10.0 undecidable manual PN 320 0.0346 0.94 1
--.TTG.Z. 1991-06-15T20:59:32.70 10.0 negative manual PN 23 0.036 -1.1 1.7
--.PHP.Z. 1991-06-15T20:59:31.60 10.0 undecidable manual PN 39 0.0349 -0.39 1.4
--.OHR.Z. 1991-06-15T20:59:30.10 10.0 undecidable manual PN 49 0.0331 0.81 1.2
--.BDV.Z. 1991-06-15T20:59:29.10 10.0 negative manual PN 19 0.0337 -1.13 1.7
--.HCY.Z. 1991-06-15T20:59:29.50 10.0 negative manual PN 15 0.0344 -1.78 0.7
--.DUI.Z. 1991-06-15T20:59:28.50 10.0 undecidable manual PN 325 0.0316 1.49 0.6
--.MSC.Z. 1991-06-15T20:59:26.00 10.0 undecidable manual PN 316 0.0305 0.59 1.3
--.SGG.Z. 1991-06-15T20:59:25.30 10.0 undecidable manual PN 322 0.03 0.76 1.2
--.TIR.Z. 1991-06-15T20:59:24.50 10.0 undecidable manual PN 38 0.03 -0.05 1.6
--.FAI.Z. 1991-06-15T20:59:22.50 10.0 undecidable manual PN 241 0.0277 1.43 0.6
--.FG3.Z. 1991-06-15T20:59:21.48 10.0 undecidable manual PN 343 0.0275 0.72 1.2
--.USI.Z. 1991-06-15T20:59:20.84 10.0 undecidable manual PN 269 0.0274 0.24 1.5
--.MS1.Z. 1991-06-15T20:59:20.50 10.0 undecidable manual PN 343 0.0275 -0.25 1.5
--.OVO.Z. 1991-06-15T20:59:19.70 10.0 undecidable manual PN 315 0.0261 0.95 1
--.ORI.Z. 1991-06-15T20:59:18.00 10.0 undecidable manual SN 338 0.0123 1.63 0.2
--.MMN.Z. 1991-06-15T20:59:18.50 10.0 undecidable manual SN 322 0.0125 1.38 0.3
--.MO9.Z. 1991-06-15T20:59:17.00 10.0 undecidable manual SN 235 0.012 1.44 0.2
--.ATN.Z. 1991-06-15T20:59:17.50 10.0 undecidable manual SN 244 0.0127 0.13 0.6
--.VLS.Z. 1991-06-15T20:59:17.60 10.0 undecidable manual PN 100 0.0252 0.36 1.5
--.TR9.Z. 1991-06-15T20:59:17.50 10.0 undecidable manual PN 328 0.0241 1.91 0.3
--.SOR.Z. 1991-06-15T20:59:16.60 10.0 undecidable manual PN 311 0.025 -0.39 1.5
--.TPE.Z. 1991-06-15T20:59:15.10 10.0 undecidable manual PN 56 0.0238 -0.03 1.6
--.GIB.Z. 1991-06-15T20:59:13.46 10.0 undecidable manual PN 252 0.0227 0.05 1.6
--.MEU.Z. 1991-06-15T20:59:11.90 10.0 undecidable manual PN 227 0.0219 -1.09 0.9
--.KEK.Z. 1991-06-15T20:59:10.10 10.0 undecidable manual PN 64 0.0206 -0.21 1.5
--.PZI.Z. 1991-06-15T20:59:10.63 10.0 negative manual PN 224 0.0216 -1.19 1.6
--.TDS.Z. 1991-06-15T20:59:10.50 10.0 undecidable manual SG 326 0.0095 1.66 0.2
--.SGO.Z. 1991-06-15T20:59:10.56 10.0 negative manual PN 322 0.0202 0.9 2.2
--.VG9.Z. 1991-06-15T20:59:09.20 10.0 undecidable manual PN 334 0.0189 1.48 0.6
--.PG9.Z. 1991-06-15T20:59:09.20 10.0 undecidable manual PN 332 0.0188 1.69 0.4
--.BAI.Z. 1991-06-15T20:59:09.50 10.0 undecidable manual PN 355 0.021 -1.37 0.7
--.MNO.Z. 1991-06-15T20:59:08.00 10.0 undecidable manual PN 246 0.0185 1.02 1
--.PE1.Z. 1991-06-15T20:59:06.20 10.0 negative manual PN 6 0.0184 -0.66 2.5
--.BRT.Z. 1991-06-15T20:59:06.92 10.0 positive manual PN 0 0.0189 -0.67 2.5
--.AU9.Z. 1991-06-15T20:59:06.24 10.0 undecidable manual PN 224 0.019 -1.55 0.5
--.MGR.Z. 1991-06-15T20:59:03.88 10.0 undecidable manual PN 319 0.0162 0.32 1.5
--.SA1.Z. 1991-06-15T20:59:02.95 10.0 undecidable manual PN 263 0.0159 -0.16 1.5
--.LCI.Z. 1991-06-15T20:59:02.66 10.0 negative manual PN 26 0.0157 -0.11 3.1
--.MMN.Z. 1991-06-15T20:58:58.80 10.0 undecidable manual PN 322 0.0125 0.77 1.2
--.ORI.Z. 1991-06-15T20:58:58.50 10.0 undecidable manual PN 338 0.0123 0.91 1.1
--.MO9.Z. 1991-06-15T20:58:57.18 10.0 positive manual PN 235 0.012 0.05 3.1
--.ATN.Z. 1991-06-15T20:58:57.82 10.0 negative manual PN 244 0.0127 -0.34 2.9
--.GMB.Z. 1991-06-15T20:58:54.26 10.0 undecidable manual PN 238 0.0104 -0.38 1.5
--.CSI.Z. 1991-06-15T20:58:53.90 10.0 undecidable manual PN 328 0.0106 -1.12 0.9
--.GA2.Z. 1991-06-15T20:58:53.30 10.0 undecidable manual PN 238 0.0104 -1.34 0.7
--.TDS.Z. 1991-06-15T20:58:51.90 10.0 positive manual PG 326 0.0095 -1.34 1.4
--.ROI.Z. 1991-06-15T20:58:49.20 10.0 undecidable manual PG 333 0.008 -0.97 1
--.GRI.Z. 1991-06-15T20:58:48.20 10.0 undecidable manual SG! 275 0.0047 -3.41 0
--.CZI.Z. 1991-06-15T20:58:47.66 10.0 undecidable manual PG 301 0.0078 -1.97 0.3
--.DR2.Z. 1991-06-15T20:58:47.47 10.0 undecidable manual PG! 262 0.0082 -3.01 0
--.PA2.Z. 1991-06-15T20:58:44.00 10.0 undecidable manual PG 238 0.0053 -0.45 1.4
--.GRI.Z. 1991-06-15T20:58:41.70 10.0 positive manual PG 275 0.0047 -1.59 1
--.SE2.Z. 1991-06-15T20:58:40.73 10.0 undecidable manual PG 309 0.0033 0.51 1.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download