Earthquake with magnitude of Md 2.2 on date 18-09-1988 and time 09:46:47 (Italy) in region 10 km NW Adrano (CT)

A magnitude Md 2.2 earthquake occured in region: 10 km NW Adrano (CT), on

  • 18-09-1988 07:46:47 (UTC)
  • 18-09-1988 09:46:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7180, 14.7400 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
Adrano CT 10 36122 36122
Centuripe EN 11 5470 41592
Regalbuto EN 11 7277 48869
Bronte CT 11 19172 68041
Biancavilla CT 14 24007 92048
CesarĂ² ME 14 2439 94487
Troina EN 14 9373 103860
San Teodoro ME 15 1403 105263
Maletto CT 17 3920 109183
Catenanuova EN 17 4866 114049
Santa Maria di Licodia CT 17 7641 121690
Maniace CT 17 3765 125455
Gagliano Castelferrato EN 18 3593 129048

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of Catania (314555 inhabitants)
39 Km W of Acireale (52622 inhabitants)
65 Km E of Caltanissetta (63360 inhabitants)
84 Km NE of Gela (75827 inhabitants)
87 Km N of Vittoria (63339 inhabitants)
88 Km NW of Siracusa (122291 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
89 Km SW of Messina (238439 inhabitants)
91 Km SW of Reggio di Calabria (183035 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 2.2
ML-VAX 1.6
1988-09-18
07:46:47
37.718 14.74 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 77439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-09-18 07:46:47 ± 0.127
Latitude 37.7180 ± 0.0063
Longitude 14.7400 ± 0.0233
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 77439

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) 2167.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.00648
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 77439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:12:53

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 77439
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
--.PZI.Z. 1988-09-18T07:47:11.81 10.0 undecidable manual SG 165 0.6771 0.72 0
--.MEU.Z. 1988-09-18T07:47:08.74 10.0 undecidable manual SG 173 0.5994 -0.06 0.5
--.ATN.Z. 1988-09-18T07:47:01.68 10.0 undecidable manual PG 52 0.7215 -0.05 1.2
--.PZI.Z. 1988-09-18T07:47:00.96 10.0 undecidable manual PG 165 0.6771 -0.07 1.2
--.MEU.Z. 1988-09-18T07:46:59.45 10.0 undecidable manual PG 173 0.5994 -0.26 0.7
--.MNO.Z. 1988-09-18T07:46:56.40 10.0 undecidable manual SG 350 0.2109 0.2 0.4
--.MNO.Z. 1988-09-18T07:46:52.44 10.0 positive manual PG 350 0.2109 0.01 2.9
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