Earthquake with magnitude of Md 2.3 on date 24-11-1988 and time 11:28:22 (Italy) in region 8 km N Ragalna (CT)

A magnitude Md 2.3 earthquake occured in region: 8 km N Ragalna (CT), on

  • 24-11-1988 10:28:22 (UTC)
  • 24-11-1988 11:28:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6980, 14.9540 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
Ragalna CT 8 3924 3924
Biancavilla CT 10 24007 27931
Santa Maria di Licodia CT 11 7641 35572
Nicolosi CT 11 7463 43035
Adrano CT 11 36122 79157
Belpasso CT 12 28108 107265
Pedara CT 13 14102 121367
Zafferana Etnea CT 13 9517 130884
PaternĂ² CT 14 48228 179112
Trecastagni CT 14 10910 190022
Bronte CT 15 19172 209194
Milo CT 15 1087 210281
Camporotondo Etneo CT 15 5023 215304
San Pietro Clarenza CT 15 7743 223047
Viagrande CT 16 8563 231610
Mascalucia CT 16 31958 263568
Santa Venerina CT 16 8592 272160
Maletto CT 17 3920 276080
Tremestieri Etneo CT 17 20589 296669
Aci Bonaccorsi CT 18 3524 300193
Sant'Alfio CT 18 1582 301775
Gravina di Catania CT 18 25838 327613
San Giovanni la Punta CT 18 23060 350673
Aci Sant'Antonio CT 18 17984 368657
Sant'Agata li Battiati CT 19 9479 378136
Aci Catena CT 20 29851 407987
Valverde CT 20 7840 415827

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Acireale (52622 inhabitants)
25 Km NW of Catania (314555 inhabitants)
76 Km SW of Reggio di Calabria (183035 inhabitants)
77 Km SW of Messina (238439 inhabitants)
77 Km NW of Siracusa (122291 inhabitants)
82 Km E of Caltanissetta (63360 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
91 Km NE of Vittoria (63339 inhabitants)
94 Km NE of Gela (75827 inhabitants)
95 Km N of Modica (54633 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 2.3
ML-VAX 1.8
1988-11-24
10:28:22
37.698 14.954 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 81799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-11-24 10:28:22 ± 0.112
Latitude 37.6980 ± 0.0061
Longitude 14.9540 ± 0.0113
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 81799

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) 1201.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00850
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 81799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:16:55

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 81799
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. 1988-11-24T10:28:55.31 10.0 undecidable manual SG 66 0.9435 0.62 0.1
--.GIB.Z. 1988-11-24T10:28:50.50 10.0 undecidable manual SG 291 0.777 0.9 0
--.PZI.Z. 1988-11-24T10:28:45.30 10.0 undecidable manual SG 180 0.6327 0.08 0.8
--.MEU.Z. 1988-11-24T10:28:43.91 10.0 undecidable manual SG 189 0.5883 0.48 0.3
--.ATN.Z. 1988-11-24T10:28:43.94 10.0 undecidable manual SG 40 0.5994 0.03 0.8
--.SOI.Z. 1988-11-24T10:28:40.75 10.0 undecidable manual PG 66 0.9435 -0.3 1.1
--.GIB.Z. 1988-11-24T10:28:37.62 10.0 undecidable manual PG 291 0.777 -0.48 0.6
--.PZI.Z. 1988-11-24T10:28:35.28 10.0 undecidable manual PG 180 0.6327 -0.14 1.8
--.MEU.Z. 1988-11-24T10:28:34.50 10.0 undecidable manual PG 189 0.5883 -0.04 1.9
--.ATN.Z. 1988-11-24T10:28:34.86 10.0 undecidable manual PG 40 0.5994 0.04 1.9
--.MNO.Z. 1988-11-24T10:28:34.28 10.0 undecidable manual SG 318 0.3108 -0.03 0.8
--.MNO.Z. 1988-11-24T10:28:29.23 10.0 undecidable manual PG 318 0.3108 -0.05 1.9
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