Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 09-02-1994 and time 04:49:16 (UTC) in region 2 km SE Camporotondo Etneo (CT)

A magnitude Md 2.5 earthquake occured in region: 2 km SE Camporotondo Etneo (CT), on

  • 09-02-1994 04:49:16 (UTC)
  • 09-02-1994 05:49:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.5560, 15.0210 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Camporotondo Etneo CT 2 5023 5023
San Pietro Clarenza CT 2 7743 12766
Mascalucia CT 4 31958 44724
Gravina di Catania CT 4 25838 70562
Misterbianco CT 4 49410 119972
Tremestieri Etneo CT 5 20589 140561
Sant'Agata li Battiati CT 5 9479 150040
Belpasso CT 6 28108 178148
Motta Sant'Anastasia CT 7 12116 190264
Nicolosi CT 7 7463 197727
San Giovanni la Punta CT 7 23060 220787
San Gregorio di Catania CT 8 11966 232753
Pedara CT 8 14102 246855
Catania CT 8 314555 561410
Trecastagni CT 9 10910 572320
Aci Bonaccorsi CT 9 3524 575844
Viagrande CT 9 8563 584407
Valverde CT 10 7840 592247
Paternò CT 11 48228 640475
Aci Sant'Antonio CT 11 17984 658459
Aci Castello CT 11 18723 677182
Ragalna CT 11 3924 681106
Aci Catena CT 12 29851 710957
Santa Maria di Licodia CT 14 7641 718598
Acireale CT 14 52622 771220
Biancavilla CT 16 24007 795227
Zafferana Etnea CT 17 9517 804744
Santa Venerina CT 18 8592 813336

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km NW of Catania (314555 inhabitants)
14 Km W of Acireale (52622 inhabitants)
60 Km NW of Siracusa (122291 inhabitants)
75 Km NE of Ragusa (73313 inhabitants)
80 Km NE of Vittoria (63339 inhabitants)
81 Km N of Modica (54633 inhabitants)
82 Km SW of Reggio di Calabria (183035 inhabitants)
85 Km E of Caltanissetta (63360 inhabitants)
85 Km SW of Messina (238439 inhabitants)
87 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 2.5
ML-VAX 1.5 		1994-02-09
04:49:16		 37.556 15.021 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 205009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-02-09 04:49:16 ± 0.254
Latitude 37.5560 ± 0.0150
Longitude 15.0210 ± 0.0229
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 205009

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) 2619.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00300
Epicentral distance of station farthest from the epicenter (degree) 0.00866
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 205009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:13:00

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 205009
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. 1994-02-09T04:49:50.24 10.0 undecidable manual SG 57 0.9657 -0.39 0.4
--.CS9.Z. 1994-02-09T04:49:46.63 10.0 undecidable manual SG 297 0.8325 -0.01 0.6
--.PL9.Z. 1994-02-09T04:49:45.77 10.0 undecidable manual SG 302 0.8214 -0.13 0.6
--.PZI.Z. 1994-02-09T04:49:36.12 10.0 undecidable manual SG 186 0.4995 0.32 0.6
--.MNO.Z. 1994-02-09T04:49:36.00 10.0 undecidable manual SG 325 0.444 1.72 0
--.SOI.Z. 1994-02-09T04:49:35.81 10.0 undecidable manual PG 57 0.9657 -0.51 1
--.CS9.Z. 1994-02-09T04:49:34.74 10.0 undecidable manual PG 297 0.8325 0.73 0.8
--.PL9.Z. 1994-02-09T04:49:33.73 10.0 negative manual PG 302 0.8214 0.15 2.8
--.MEU.Z. 1994-02-09T04:49:33.50 10.0 undecidable manual SG 199 0.4662 -1.21 0.1
--.AU9.Z. 1994-02-09T04:49:31.74 10.0 undecidable manual SG 152 0.333 1.72 0
--.MEU.Z. 1994-02-09T04:49:27.30 10.0 undecidable manual PG 199 0.4662 -0.09 1.6
--.PZI.Z. 1994-02-09T04:49:27.90 10.0 positive manual PG 186 0.4995 -0.66 2.1
--.MNO.Z. 1994-02-09T04:49:26.00 10.0 undecidable manual PG 325 0.444 -0.88 0.7
--.AU9.Z. 1994-02-09T04:49:24.89 10.0 positive manual PG 152 0.333 0.48 2.6
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