Earthquake with magnitude of M 5.0 on date 07-04-1985 and time 13:33:45 (UTC) in region Mar Ionio Meridionale (MARE)

A magnitude M 5.0 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 07-04-1985 13:33:45 (UTC)
  • 07-04-1985 15:33:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.85, 19.99 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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 M 5.0 1985-04-07
13:33:45
37.85 19.99 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 4339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-07 13:33:45 ± 0.454
Latitude 37.85 ± 0.05
Longitude 19.99 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 4339

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) 5869.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
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) 0.01821
Epicentral distance of station farthest from the epicenter (degree) 0.1041
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 39
Magnitude information

M:5

Field Value
Value 5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 4339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:50:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BG1.Z. 1985-04-07T13:38:21.00 10.0 undecidable manual SN? 319 0.0991 2.83 0
--.SAL.Z. 1985-04-07T13:38:07.00 10.0 undecidable manual SN 320 0.0943 1.47 0.2
--.FO1.Z. 1985-04-07T13:38:02.00 10.0 undecidable manual SN 331 0.0921 2.29 0.1
--.CTI.Z. 1985-04-07T13:37:58.50 10.0 undecidable manual SN? 325 0.0924 -2.03 0
--.RBL.Z. 1985-04-07T13:37:52.50 10.0 undecidable manual SN? 333 0.0883 2.81 0
--.TRI.Z. 1985-04-07T13:37:33.00 10.0 undecidable manual SN 331 0.0821 -0.18 0.6
--.ALP.Z. 1985-04-07T13:36:44.00 10.0 undecidable manual SN? 317 0.0625 2.59 0
--.STV.Z. 1985-04-07T13:36:31.50 10.0 undecidable manual PN? 308 0.1033 2.01 0.1
--.VAI.Z. 1985-04-07T13:36:30.00 10.0 undecidable manual PN 317 0.1041 -0.68 1
--.BG1.Z. 1985-04-07T13:36:21.00 10.0 undecidable manual PN? 319 0.0991 -2.07 0.1
--.CK1.Z. 1985-04-07T13:36:20.50 10.0 undecidable manual PN? 310 0.0988 -2.2 0.1
--.SAL.Z. 1985-04-07T13:36:14.50 10.0 undecidable manual PN 320 0.0943 -1.27 0.6
--.FO1.Z. 1985-04-07T13:36:11.00 10.0 undecidable manual PN 331 0.0921 -1.42 0.5
--.CTI.Z. 1985-04-07T13:36:10.50 10.0 negative manual PN? 325 0.0924 -2.39 0
--.RBL.Z. 1985-04-07T13:36:06.00 10.0 undecidable manual PN 333 0.0883 -0.63 1.1
--.BD1.Z. 1985-04-07T13:36:03.50 10.0 undecidable manual PN 314 0.0848 2.29 0.1
--.SOR.Z. 1985-04-07T13:35:58.70 10.0 undecidable manual SN 303 0.0464 -0.25 0.6
--.TRI.Z. 1985-04-07T13:35:56.00 10.0 undecidable manual PN 331 0.0821 -1.1 0.8
--.GIB.Z. 1985-04-07T13:35:47.50 10.0 undecidable manual SN 273 0.0423 -0.57 0.6
--.AS1.Z. 1985-04-07T13:35:39.00 10.0 undecidable manual PN? 315 0.0686 2.35 0.1
--.AR1.Z. 1985-04-07T13:35:38.00 10.0 undecidable manual PN 318 0.0699 -0.55 1.3
--.AM1.Z. 1985-04-07T13:35:33.40 10.0 undecidable manual PN 321 0.0673 -1.09 0.9
--.PO9.Z. 1985-04-07T13:35:32.00 10.0 undecidable manual PN 313 0.0644 1.89 0.3
--.MNS.Z. 1985-04-07T13:35:31.00 10.0 undecidable manual PN 311 0.0647 0.39 1.5
--.ALP.Z. 1985-04-07T13:35:27.70 10.0 undecidable manual PN 317 0.0625 0.49 2.9
--.AQU.Z. 1985-04-07T13:35:26.00 10.0 undecidable manual PN 313 0.0607 1.41 0.7
--.ORI.Z. 1985-04-07T13:35:23.00 10.0 undecidable manual SN? 309 0.0317 2.89 0
--.SD1.Z. 1985-04-07T13:35:16.50 10.0 undecidable manual PN 311 0.055 0.68 1.3
--.ERC.Z. 1985-04-07T13:35:12.00 10.0 undecidable manual PN 274 0.0525 0.04 1.6
--.DUI.Z. 1985-04-07T13:35:11.50 10.0 undecidable manual PN 313 0.0513 1.31 0.8
--.MSC.Z. 1985-04-07T13:35:10.30 10.0 undecidable manual PN 307 0.0514 -0.04 1.6
--.SGG.Z. 1985-04-07T13:35:08.60 10.0 undecidable manual PN 311 0.0502 0.12 1.6
--.LCI.Z. 1985-04-07T13:35:06.00 10.0 undecidable manual SN 330 0.0258 1.27 0.3
--.NPS.Z. 1985-04-07T13:35:05.00 10.0 undecidable manual PN? 118 0.0468 1.66 0.2
--.OVO.Z. 1985-04-07T13:35:04.00 10.0 undecidable manual PN 306 0.0472 0.11 1.6
--.PRK.Z. 1985-04-07T13:35:02.00 10.0 undecidable manual PN 72 0.0459 0.01 1.6
--.SOR.Z. 1985-04-07T13:35:01.30 10.0 undecidable manual PN 303 0.0464 -1.39 0.7
--.BS1.Z. 1985-04-07T13:35:01.00 10.0 undecidable manual PN 307 0.0445 1.2 0.9
--.MS1.Z. 1985-04-07T13:34:59.50 10.0 undecidable manual PN 322 0.0445 -0.34 1.6
--.TR9.Z. 1985-04-07T13:34:59.90 10.0 undecidable manual PN 312 0.0438 1.21 0.9
--.GIB.Z. 1985-04-07T13:34:56.00 10.0 undecidable manual PN 273 0.0423 -0.41 1.5
--.SGO.Z. 1985-04-07T13:34:55.00 10.0 undecidable manual PN 308 0.0406 1.02 1
--.BAI.Z. 1985-04-07T13:34:46.80 10.0 positive manual PN 324 0.0363 -0.59 2.8
--.BRT.Z. 1985-04-07T13:34:42.00 10.0 undecidable manual PN 324 0.0336 -1.15 0.9
--.ORI.Z. 1985-04-07T13:34:40.00 10.0 undecidable manual PN 309 0.0317 -0.27 3.2
--.PE1.Z. 1985-04-07T13:34:40.00 10.0 undecidable manual PN 326 0.032 -0.72 1.3
--.RCI.Z. 1985-04-07T13:34:38.00 10.0 undecidable manual PN 275 0.0308 -0.98 1.1
--.ATH.Z. 1985-04-07T13:34:32.50 10.0 undecidable manual PN 86 0.0265 0.2 1.6
--.LCI.Z. 1985-04-07T13:34:30.20 10.0 undecidable manual PN 330 0.0258 -1.19 0.9
--.SRN.Z. 1985-04-07T13:34:20.20 10.0 undecidable manual PN 0 0.0182 0.45 1.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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