Earthquake with magnitude of Md 2.4 on date 30-04-1988 and time 10:21:17 (Italy) in region 6 km NW Milo (CT)

A magnitude Md 2.4 earthquake occured in region: 6 km NW Milo (CT), on

  • 30-04-1988 08:21:17 (UTC)
  • 30-04-1988 10:21:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7650, 15.0710 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 6 1087 1087
Sant'Alfio CT 7 1582 2669
Zafferana Etnea CT 8 9517 12186
Santa Venerina CT 11 8592 20778
Linguaglossa CT 11 5403 26181
Piedimonte Etneo CT 11 3963 30144
Giarre CT 11 27659 57803
Mascali CT 11 14282 72085
Riposto CT 12 14838 86923
Fiumefreddo di Sicilia CT 13 9623 96546
Castiglione di Sicilia CT 14 3215 99761
Moio Alcantara ME 15 717 100478
Calatabiano CT 15 5308 105786
Francavilla di Sicilia ME 16 3945 109731
Pedara CT 16 14102 123833
Trecastagni CT 16 10910 134743
Randazzo CT 17 10900 145643
Gaggi ME 17 3184 148827
Nicolosi CT 17 7463 156290
Viagrande CT 17 8563 164853
Motta Camastra ME 17 845 165698
Malvagna ME 17 733 166431
Aci Sant'Antonio CT 18 17984 184415
Ragalna CT 19 3924 188339
Aci Bonaccorsi CT 19 3524 191863
Acireale CT 19 52622 244485
Aci Catena CT 19 29851 274336
Maletto CT 19 3920 278256
Santa Domenica Vittoria ME 19 980 279236
Roccella Valdemone ME 20 666 279902
Graniti ME 20 1492 281394

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Acireale (52622 inhabitants)
29 Km N of Catania (314555 inhabitants)
63 Km SW of Reggio di Calabria (183035 inhabitants)
64 Km SW of Messina (238439 inhabitants)
81 Km N of Siracusa (122291 inhabitants)
94 Km E of Caltanissetta (63360 inhabitants)
98 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 2.4
ML-VAX 1.9
1988-04-30
08:21:17
37.765 15.071 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 68509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-04-30 08:21:17 ± 0.071
Latitude 37.7650 ± 0.0045
Longitude 15.0710 ± 0.0065
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 68509

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) 756.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00300
Epicentral distance of station farthest from the epicenter (degree) 0.01506
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 68509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:04:55

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 68509
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
--.CZI.Z. 1988-04-30T08:21:46.55 10.0 undecidable manual PN 29 1.6761 -0.36 0.2
--.PZI.Z. 1988-04-30T08:21:42.88 10.0 undecidable manual SG 187 0.7104 0.12 0.6
--.SOI.Z. 1988-04-30T08:21:34.55 10.0 undecidable manual PG 67 0.8214 0.1 1.5
--.PZI.Z. 1988-04-30T08:21:32.13 10.0 undecidable manual PG 187 0.7104 -0.11 1.6
--.MNO.Z. 1988-04-30T08:21:30.60 10.0 undecidable manual SG 299 0.333 -0.15 0.5
--.ATN.Z. 1988-04-30T08:21:28.41 10.0 undecidable manual PG 37 0.4995 0.16 1.3
--.MNO.Z. 1988-04-30T08:21:25.50 10.0 undecidable manual PG 299 0.333 0.19 1.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download