Earthquake with magnitude of Md 2.2 on date 30-04-1988 and time 07:43:23 (UTC) in region 9 km NW Milo (CT)

A magnitude Md 2.2 earthquake occured in region: 9 km NW Milo (CT), on

  • 30-04-1988 07:43:23 (UTC)
  • 30-04-1988 09:43:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7660, 15.0280 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Milo CT 9 1087 1087
Zafferana Etnea CT 10 9517 10604
Sant'Alfio CT 11 1582 12186
Santa Venerina CT 13 8592 20778
Linguaglossa CT 13 5403 26181
Piedimonte Etneo CT 14 3963 30144
Giarre CT 14 27659 57803
Randazzo CT 15 10900 68703
Mascali CT 15 14282 82985
Moio Alcantara ME 15 717 83702
Castiglione di Sicilia CT 16 3215 86917
Maletto CT 16 3920 90837
Riposto CT 16 14838 105675
Fiumefreddo di Sicilia CT 16 9623 115298
Pedara CT 17 14102 129400
Nicolosi CT 17 7463 136863
Ragalna CT 17 3924 140787
Trecastagni CT 17 10910 151697
Bronte CT 17 19172 170869
Malvagna ME 17 733 171602
Santa Domenica Vittoria ME 18 980 172582
Francavilla di Sicilia ME 18 3945 176527
Viagrande CT 18 8563 185090
Roccella Valdemone ME 19 666 185756
Calatabiano CT 19 5308 191064
Motta Camastra ME 19 845 191909
Biancavilla CT 20 24007 215916
Aci Sant'Antonio CT 20 17984 233900
Belpasso CT 20 28108 262008
Aci Bonaccorsi CT 20 3524 265532

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Acireale (52622 inhabitants)
30 Km N of Catania (314555 inhabitants)
66 Km SW of Reggio di Calabria (183035 inhabitants)
67 Km SW of Messina (238439 inhabitants)
82 Km N of Siracusa (122291 inhabitants)
90 Km E of Caltanissetta (63360 inhabitants)
97 Km N of Ragusa (73313 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 2.2
ML-VAX 1.7
1988-04-30
07:43:23
37.766 15.028 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 68489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-04-30 07:43:23 ± 0.203
Latitude 37.7660 ± 0.0124
Longitude 15.0280 ± 0.0161
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 68489

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) 1980.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.01514
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 68489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:04:54

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 68489
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. 1988-04-30T07:43:53.45 10.0 undecidable manual SG 68 0.8658 0.53 0.5
--.CZI.Z. 1988-04-30T07:43:51.35 10.0 undecidable manual PN 30 1.6761 -1.11 0.3
--.PZI.Z. 1988-04-30T07:43:48.18 10.0 undecidable manual SG 185 0.7104 0.17 0.8
--.ATN.Z. 1988-04-30T07:43:41.50 10.0 undecidable manual SG 40 0.5106 -0.34 0.7
--.SOI.Z. 1988-04-30T07:43:40.40 10.0 undecidable manual PG 68 0.8658 0.04 1.8
--.PZI.Z. 1988-04-30T07:43:37.18 10.0 undecidable manual PG 185 0.7104 -0.35 1.7
--.MO9.Z. 1988-04-30T07:43:36.19 10.0 undecidable manual PG 65 0.5772 1.2 0.4
--.MNO.Z. 1988-04-30T07:43:35.50 10.0 undecidable manual SG 302 0.3108 0.37 0.7
--.ATN.Z. 1988-04-30T07:43:33.50 10.0 undecidable manual PG 40 0.5106 -0.47 1.5
--.MNO.Z. 1988-04-30T07:43:30.50 10.0 undecidable manual PG 302 0.3108 0.41 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download