Earthquake with magnitude of Md 2.1 on date 08-09-1992 and time 01:31:08 (Italy) in region 1 km W Aci Castello (CT)

A magnitude Md 2.1 earthquake occured in region: 1 km W Aci Castello (CT), on

  • 07-09-1992 23:31:08 (UTC)
  • 08-09-1992 01:31:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5590, 15.1400 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
Aci Castello CT 1 18723 18723
Valverde CT 3 7840 26563
San Gregorio di Catania CT 3 11966 38529
San Giovanni la Punta CT 5 23060 61589
Aci Catena CT 5 29851 91440
Aci Bonaccorsi CT 5 3524 94964
Sant'Agata li Battiati CT 5 9479 104443
Aci Sant'Antonio CT 6 17984 122427
Tremestieri Etneo CT 6 20589 143016
Acireale CT 7 52622 195638
Gravina di Catania CT 7 25838 221476
Viagrande CT 7 8563 230039
Catania CT 8 314555 544594
Mascalucia CT 8 31958 576552
Trecastagni CT 8 10910 587462
Pedara CT 10 14102 601564
San Pietro Clarenza CT 10 7743 609307
Nicolosi CT 12 7463 616770
Camporotondo Etneo CT 12 5023 621793
Misterbianco CT 12 49410 671203
Santa Venerina CT 14 8592 679795
Belpasso CT 15 28108 707903
Zafferana Etnea CT 16 9517 717420
Motta Sant'Anastasia CT 16 12116 729536
Milo CT 19 1087 730623
Ragalna CT 19 3924 734547
Giarre CT 20 27659 762206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km SW of Acireale (52622 inhabitants)
8 Km NE of Catania (314555 inhabitants)
57 Km N of Siracusa (122291 inhabitants)
76 Km SW of Reggio di Calabria (183035 inhabitants)
79 Km NE of Ragusa (73313 inhabitants)
80 Km SW of Messina (238439 inhabitants)
85 Km NE of Modica (54633 inhabitants)
86 Km NE of Vittoria (63339 inhabitants)
95 Km E of Caltanissetta (63360 inhabitants)
96 Km NE of Gela (75827 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 2.1
ML-VAX 1.6
1992-09-07
23:31:08
37.559 15.14 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 172959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-09-07 23:31:08 ± 0.293
Latitude 37.5590 ± 0.0194
Longitude 15.1400 ± 0.0497
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 172959

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) 4879.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00793
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 172959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:41:50

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 172959
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. 1992-09-07T23:31:36.50 10.0 undecidable manual SG 54 0.8769 -1.97 0
--.ATN.Z. 1992-09-07T23:31:30.43 10.0 undecidable manual SG 22 0.6438 -0.48 0.4
--.PZI.Z. 1992-09-07T23:31:26.90 10.0 undecidable manual SG 197 0.5217 0.01 0.6
--.SOI.Z. 1992-09-07T23:31:26.98 10.0 undecidable manual PG 54 0.8769 1.34 0.1
--.MEU.Z. 1992-09-07T23:31:25.96 10.0 undecidable manual SG 208 0.4995 -0.44 0.5
--.MO9.Z. 1992-09-07T23:31:21.00 10.0 undecidable manual PG 44 0.6216 0.26 1.4
--.ATN.Z. 1992-09-07T23:31:20.94 10.0 undecidable manual PG 22 0.6438 -0.33 1.3
--.PZI.Z. 1992-09-07T23:31:19.40 10.0 positive manual PG 197 0.5217 0.09 3
--.AU9.Z. 1992-09-07T23:31:19.86 10.0 undecidable manual SG 168 0.3108 -0.16 0.6
--.MEU.Z. 1992-09-07T23:31:18.58 10.0 undecidable manual PG 208 0.4995 -0.09 1.5
--.AU9.Z. 1992-09-07T23:31:14.83 10.0 undecidable manual PG 168 0.3108 -0.15 1.5
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