Earthquake with magnitude of Md 2.3 on date 27-11-1990 and time 18:14:05 (Italy) in region 2 km SW Zafferana Etnea (CT)

A magnitude Md 2.3 earthquake occured in region: 2 km SW Zafferana Etnea (CT), on

  • 27-11-1990 17:14:05 (UTC)
  • 27-11-1990 18:14:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6830, 15.0840 at 5 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
Zafferana Etnea CT 2 9517 9517
Santa Venerina CT 5 8592 18109
Milo CT 5 1087 19196
Trecastagni CT 7 10910 30106
Pedara CT 8 14102 44208
Viagrande CT 8 8563 52771
Sant'Alfio CT 9 1582 54353
Nicolosi CT 9 7463 61816
Aci Sant'Antonio CT 9 17984 79800
Aci Bonaccorsi CT 10 3524 83324
Aci Catena CT 10 29851 113175
Giarre CT 10 27659 140834
Acireale CT 11 52622 193456
San Giovanni la Punta CT 12 23060 216516
Tremestieri Etneo CT 12 20589 237105
Valverde CT 12 7840 244945
Riposto CT 12 14838 259783
Mascalucia CT 12 31958 291741
Mascali CT 13 14282 306023
San Gregorio di Catania CT 13 11966 317989
San Pietro Clarenza CT 13 7743 325732
Gravina di Catania CT 14 25838 351570
Sant'Agata li Battiati CT 14 9479 361049
Belpasso CT 14 28108 389157
Ragalna CT 14 3924 393081
Camporotondo Etneo CT 14 5023 398104
Aci Castello CT 15 18723 416827
Piedimonte Etneo CT 16 3963 420790
Fiumefreddo di Sicilia CT 17 9623 430413
Linguaglossa CT 19 5403 435816
Santa Maria di Licodia CT 19 7641 443457
Misterbianco CT 19 49410 492867
Biancavilla CT 19 24007 516874
PaternĂ² CT 20 48228 565102
Catania CT 20 314555 879657

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NW of Acireale (52622 inhabitants)
20 Km N of Catania (314555 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
70 Km SW of Messina (238439 inhabitants)
72 Km N of Siracusa (122291 inhabitants)
90 Km NE of Ragusa (73313 inhabitants)
92 Km E of Caltanissetta (63360 inhabitants)
95 Km NE of Vittoria (63339 inhabitants)
96 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 1990-11-27
17:14:05
37.683 15.084 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 131539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-11-27 17:14:05 ± 0.626
Latitude 37.6830 ± 0.0454
Longitude 15.0840 ± 0.1016
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 131539

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) 10270.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00502
Epicentral distance of station farthest from the epicenter (degree) 0.01052
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 131539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:02:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.DR2.Z. 1990-11-27T17:14:29.64 10.0 undecidable manual PN 34 1.1655 1.44 0.6
--.PZI.Z. 1990-11-27T17:14:28.85 10.0 undecidable manual SG 190 0.6327 0.25 0.8
--.MEU.Z. 1990-11-27T17:14:27.26 10.0 undecidable manual SG 199 0.5994 -0.36 0.7
--.ATN.Z. 1990-11-27T17:14:26.70 10.0 undecidable manual SG 32 0.555 -0.12 0.8
--.GA2.Z. 1990-11-27T17:14:22.10 10.0 undecidable manual PG 50 0.7548 1.01 1.2
--.FE2.Z. 1990-11-27T17:14:22.70 10.0 undecidable manual PG 65 0.8658 -0.35 1.7
--.MEU.Z. 1990-11-27T17:14:18.90 10.0 undecidable manual PG 199 0.5994 0.71 1.5
--.PZI.Z. 1990-11-27T17:14:17.89 10.0 undecidable manual PG 190 0.6327 -0.86 1.4
--.ATN.Z. 1990-11-27T17:14:15.52 10.0 undecidable manual PG 32 0.555 -1.84 0.4
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