Earthquake with magnitude of Md 4.1 on date 28-10-1988 and time 18:48:46 (UTC) in region 2 km W Mascali (CT)

A magnitude Md 4.1 earthquake occured in region: 2 km W Mascali (CT), on

  • 28-10-1988 18:48:46 (UTC)
  • 28-10-1988 19:48:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.76, 15.17 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Mascali CT 2 14282 14282
Sant'Alfio CT 3 1582 15864
Giarre CT 4 27659 43523
Riposto CT 5 14838 58361
Fiumefreddo di Sicilia CT 5 9623 67984
Piedimonte Etneo CT 5 3963 71947
Milo CT 7 1087 73034
Calatabiano CT 8 5308 78342
Linguaglossa CT 9 5403 83745
Santa Venerina CT 9 8592 92337
Zafferana Etnea CT 10 9517 101854
Gaggi ME 12 3184 105038
Giardini-Naxos ME 13 9415 114453
Taormina ME 14 10960 125413
Castiglione di Sicilia CT 14 3215 128628
Castelmola ME 14 1088 129716
Motta Camastra ME 15 845 130561
Graniti ME 15 1492 132053
Francavilla di Sicilia ME 16 3945 135998
Acireale CT 17 52622 188620
Letojanni ME 18 2861 191481
Aci Sant'Antonio CT 18 17984 209465
Aci Catena CT 18 29851 239316
Mongiuffi Melia ME 18 600 239916
Viagrande CT 18 8563 248479
Trecastagni CT 18 10910 259389
Moio Alcantara ME 18 717 260106
Gallodoro ME 19 367 260473
Pedara CT 19 14102 274575
Aci Bonaccorsi CT 19 3524 278099
Malvagna ME 20 733 278832

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of Acireale (52622 inhabitants)
30 Km N of Catania (314555 inhabitants)
57 Km SW of Reggio di Calabria (183035 inhabitants)
59 Km SW of Messina (238439 inhabitants)
79 Km N of Siracusa (122291 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 4.1
ML-VAX 3.7
1988-10-28
18:48:46
37.77 15.17 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 79959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-28 18:48:46 ± 0.279
Latitude 37.77 ± 0.03
Longitude 15.17 ± 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 79959

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) 3197.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00364
Epicentral distance of station farthest from the epicenter (degree) 0.0748
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 40
Magnitudes information

Md:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 79959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:15:13

ML:3.7

Field Value
Value 3.7
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 79959
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
--.VOY.Z. 1988-10-28T18:50:47.70 10.0 undecidable manual PN 353 0.0748 0.16 0.7
--.PLE.Z. 1988-10-28T18:50:23.00 10.0 undecidable manual PN 28 0.0578 1.47 0.2
--.IVA.Z. 1988-10-28T18:50:20.00 10.0 undecidable manual PN 33 0.0562 0.84 0.5
--.TTG.Z. 1988-10-28T18:50:11.00 10.0 undecidable manual PN 32 0.0505 0.55 0.8
--.MMN.Z. 1988-10-28T18:49:52.50 10.0 undecidable manual SN 16 0.0199 1.37 0.2
--.SDI.Z. 1988-10-28T18:49:50.24 10.0 undecidable manual PN 345 0.0367 0.87 0.7
--.DUI.Z. 1988-10-28T18:49:49.00 10.0 undecidable manual PN 351 0.0354 1.66 0.2
--.RFI.Z. 1988-10-28T18:49:44.22 10.0 undecidable manual PN 345 0.0328 0.73 0.9
--.BAI.Z. 1988-10-28T18:49:42.00 10.0 undecidable manual PN 20 0.0323 -0.69 0.9
--.CDM.Z. 1988-10-28T18:49:41.50 10.0 undecidable manual PN 13 0.0308 1.2 0.5
--.BRT.Z. 1988-10-28T18:49:41.18 10.0 undecidable manual PN 25 0.0312 0.26 1.2
--.BSS.Z. 1988-10-28T18:49:35.00 10.0 undecidable manual PN 354 0.0271 0.16 1.3
--.SGO.Z. 1988-10-28T18:49:32.58 10.0 undecidable manual PN 1 0.0251 0.82 0.9
--.SOR.Z. 1988-10-28T18:49:31.80 10.0 undecidable manual PN 347 0.026 -1.25 0.5
--.MT9.Z. 1988-10-28T18:49:26.30 10.0 undecidable manual PN 357 0.0222 -1.02 0.8
--.LVI.Z. 1988-10-28T18:49:25.72 10.0 undecidable manual PN 276 0.0202 1.49 0.4
--.MGR.Z. 1988-10-28T18:49:24.82 10.0 undecidable manual PN 6 0.0215 -1.38 0.5
--.CSI.Z. 1988-10-28T18:49:24.52 10.0 undecidable manual PN 22 0.0198 0.94 0.9
--.MMN.Z. 1988-10-28T18:49:23.50 10.0 undecidable manual PN 16 0.0199 -0.34 1.5
--.ROI.Z. 1988-10-28T18:49:22.72 10.0 undecidable manual PN 30 0.0189 0.38 1.4
--.TDS.Z. 1988-10-28T18:49:22.48 10.0 undecidable manual PN 24 0.0189 0.24 1.5
--.ERC.Z. 1988-10-28T18:49:21.62 10.0 undecidable manual PN 278 0.0185 0.01 1.6
--.CVT.Z. 1988-10-28T18:49:19.90 10.0 undecidable manual PN 267 0.0169 0.66 1.2
--.USI.Z. 1988-10-28T18:49:17.10 10.0 undecidable manual PN 301 0.0164 -1.36 0.5
--.CZI.Z. 1988-10-28T18:49:14.56 10.0 undecidable manual PN 26 0.0147 -1.29 0.6
--.GRI.Z. 1988-10-28T18:49:13.26 10.0 undecidable manual PN 42 0.013 0.09 1.6
--.RI2.Z. 1988-10-28T18:49:12.16 10.0 undecidable manual PN 56 0.0109 1.99 0.1
--.FAI.Z. 1988-10-28T18:49:11.52 10.0 undecidable manual PN 247 0.0116 0.45 1.4
--.MCT.Z. 1988-10-28T18:49:10.88 10.0 undecidable manual PN 263 0.0112 0.41 1.4
--.GIB.Z. 1988-10-28T18:49:05.26 10.0 undecidable manual PG 284 0.0083 -0.2 1.5
--.MNO.Z. 1988-10-28T18:49:03.15 10.0 undecidable manual SG 293 0.0036 0.63 0.5
--.FE2.Z. 1988-10-28T18:49:02.54 10.0 undecidable manual PG 68 0.0069 0.02 1.6
--.SOI.Z. 1988-10-28T18:49:01.59 10.0 undecidable manual PG 65 0.0068 -0.73 1.1
--.LPI.Z. 1988-10-28T18:49:00.85 10.0 undecidable manual PG 345 0.0067 -1.22 0.6
--.GMB.Z. 1988-10-28T18:49:00.40 10.0 undecidable manual PG 51 0.0058 -0.34 1.5
--.MEU.Z. 1988-10-28T18:48:59.95 10.0 undecidable manual PG 202 0.0063 -1.35 0.5
--.GA2.Z. 1988-10-28T18:48:59.88 10.0 undecidable manual PG 51 0.0059 -0.5 1.4
--.SC9.Z. 1988-10-28T18:48:59.23 10.0 undecidable manual PG 40 0.0058 -1.07 0.8
--.MSI.Z. 1988-10-28T18:48:57.28 10.0 undecidable manual PG 34 0.0048 -0.8 1.1
--.MO9.Z. 1988-10-28T18:48:57.50 10.0 undecidable manual PG 59 0.0042 0.03 1.6
--.ATN.Z. 1988-10-28T18:48:56.00 10.0 positive manual PG 29 0.004 -0.65 2.4
--.MNO.Z. 1988-10-28T18:48:55.00 10.0 negative manual PG 293 0.0036 -0.77 2.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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