Earthquake with magnitude of Md 2.5 on date 26-09-1994 and time 21:08:42 (UTC) in region 8 km NE Ragalna (CT)

A magnitude Md 2.5 earthquake occured in region: 8 km NE Ragalna (CT), on

  • 26-09-1994 21:08:42 (UTC)
  • 26-09-1994 22:08:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6910, 14.9940 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
Ragalna CT 8 3924 3924
Nicolosi CT 9 7463 11387
Zafferana Etnea CT 10 9517 20904
Pedara CT 10 14102 35006
Belpasso CT 11 28108 63114
Trecastagni CT 11 10910 74024
Milo CT 11 1087 75111
Biancavilla CT 12 24007 99118
Santa Maria di Licodia CT 12 7641 106759
Viagrande CT 13 8563 115322
Santa Venerina CT 13 8592 123914
San Pietro Clarenza CT 13 7743 131657
Camporotondo Etneo CT 14 5023 136680
Mascalucia CT 14 31958 168638
Aci Bonaccorsi CT 14 3524 172162
Adrano CT 15 36122 208284
Tremestieri Etneo CT 15 20589 228873
Sant'Alfio CT 15 1582 230455
PaternĂ² CT 15 48228 278683
Aci Sant'Antonio CT 15 17984 296667
San Giovanni la Punta CT 15 23060 319727
Gravina di Catania CT 16 25838 345565
Aci Catena CT 16 29851 375416
Sant'Agata li Battiati CT 17 9479 384895
Valverde CT 17 7840 392735
San Gregorio di Catania CT 17 11966 404701
Giarre CT 17 27659 432360
Acireale CT 18 52622 484982
Bronte CT 18 19172 504154
Misterbianco CT 19 49410 553564
Maletto CT 19 3920 557484
Riposto CT 19 14838 572322
Mascali CT 19 14282 586604
Motta Sant'Anastasia CT 20 12116 598720
Aci Castello CT 20 18723 617443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of Acireale (52622 inhabitants)
22 Km NW of Catania (314555 inhabitants)
74 Km SW of Reggio di Calabria (183035 inhabitants)
75 Km SW of Messina (238439 inhabitants)
75 Km NW of Siracusa (122291 inhabitants)
85 Km E of Caltanissetta (63360 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
95 Km N of Modica (54633 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 2.5
ML-VAX 1.6
1994-09-26
21:08:42
37.691 14.994 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 217089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-09-26 21:08:42 ± 0.17
Latitude 37.6910 ± 0.0105
Longitude 14.9940 ± 0.0171
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 217089

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) 1898.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00300
Epicentral distance of station farthest from the epicenter (degree) 0.02234
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 8
Type of magnitude Md
Reference to an origin 217089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:24:54

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 9
Type of magnitude ML
Reference to an origin 217089
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
--.ROI.Z. 1994-09-26T21:09:22.24 10.0 undecidable manual PN 32 2.2422 1.8 0
--.MGR.Z. 1994-09-26T21:09:22.78 10.0 undecidable manual PN 9 2.4753 -0.94 0.3
--.SOI.Z. 1994-09-26T21:09:17.36 10.0 undecidable manual SG! 64 0.9213 2.17 0
--.GMB.Z. 1994-09-26T21:09:12.42 10.0 undecidable manual SG 53 0.8103 0.67 0.3
--.CZI.Z. 1994-09-26T21:09:12.67 10.0 undecidable manual PN 29 1.7649 -1.23 0.2
--.GIB.Z. 1994-09-26T21:09:11.22 10.0 undecidable manual SG 291 0.8214 -0.75 0.3
--.FAI.Z. 1994-09-26T21:09:06.40 10.0 undecidable manual PN 248 1.1211 1.26 0.2
--.PZI.Z. 1994-09-26T21:09:06.85 10.0 undecidable manual SG 183 0.6327 0.8 0.3
--.ATN.Z. 1994-09-26T21:09:05.50 10.0 undecidable manual SG 37 0.5883 0.72 0.3
--.MEU.Z. 1994-09-26T21:09:04.55 10.0 undecidable manual SG 192 0.5883 -0.16 0.5
--.AU9.Z. 1994-09-26T21:09:01.60 10.0 undecidable manual SG 157 0.4662 0.79 0.3
--.SOI.Z. 1994-09-26T21:09:01.28 10.0 positive manual PG 64 0.9213 -0.21 2.3
--.GIB.Z. 1994-09-26T21:09:00.22 10.0 undecidable manual PG 291 0.8214 0.59 0.9
--.SA1.Z. 1994-09-26T21:09:00.23 10.0 positive manual PG 351 0.8769 -0.53 1.9
--.GMB.Z. 1994-09-26T21:08:59.68 10.0 undecidable manual PG 53 0.8103 0.17 1.2
--.PL9.Z. 1994-09-26T21:08:58.57 10.0 undecidable manual PG 294 0.7326 0.5 1
--.MO9.Z. 1994-09-26T21:08:56.50 10.0 undecidable manual PG 60 0.6327 0.31 1.1
--.PZI.Z. 1994-09-26T21:08:55.91 10.0 positive manual PG 183 0.6327 -0.31 2.3
--.ATN.Z. 1994-09-26T21:08:55.40 10.0 negative manual PG 37 0.5883 -0.09 2.5
--.MEU.Z. 1994-09-26T21:08:54.86 10.0 positive manual PG 192 0.5883 -0.58 1.8
--.MNO.Z. 1994-09-26T21:08:54.62 10.0 undecidable manual SG 315 0.333 -1.32 0.1
--.AU9.Z. 1994-09-26T21:08:53.13 10.0 positive manual PG 157 0.4662 -0.06 2.5
--.MNO.Z. 1994-09-26T21:08:50.81 10.0 positive manual PG 315 0.333 0.44 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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