Earthquake with magnitude of Md 2.2 on date 15-10-1997 and time 17:48:55 (Italy) in region 6 km NE Ragalna (CT)

A magnitude Md 2.2 earthquake occured in region: 6 km NE Ragalna (CT), on

  • 15-10-1997 15:48:55 (UTC)
  • 15-10-1997 17:48:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6700, 14.9860 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 6 3924 3924
Nicolosi CT 7 7463 11387
Belpasso CT 9 28108 39495
Pedara CT 9 14102 53597
Trecastagni CT 10 10910 64507
Santa Maria di Licodia CT 10 7641 72148
Biancavilla CT 11 24007 96155
Zafferana Etnea CT 11 9517 105672
San Pietro Clarenza CT 11 7743 113415
Camporotondo Etneo CT 11 5023 118438
Viagrande CT 12 8563 127001
Mascalucia CT 12 31958 158959
PaternĂ² CT 13 48228 207187
Tremestieri Etneo CT 13 20589 227776
Milo CT 13 1087 228863
Aci Bonaccorsi CT 13 3524 232387
Adrano CT 14 36122 268509
Santa Venerina CT 14 8592 277101
Gravina di Catania CT 14 25838 302939
San Giovanni la Punta CT 14 23060 325999
Aci Sant'Antonio CT 14 17984 343983
Sant'Agata li Battiati CT 15 9479 353462
Aci Catena CT 16 29851 383313
Valverde CT 16 7840 391153
San Gregorio di Catania CT 16 11966 403119
Sant'Alfio CT 16 1582 404701
Misterbianco CT 17 49410 454111
Acireale CT 17 52622 506733
Motta Sant'Anastasia CT 18 12116 518849
Bronte CT 19 19172 538021
Giarre CT 19 27659 565680
Aci Castello CT 19 18723 584403

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of Acireale (52622 inhabitants)
21 Km NW of Catania (314555 inhabitants)
73 Km NW of Siracusa (122291 inhabitants)
76 Km SW of Reggio di Calabria (183035 inhabitants)
77 Km SW of Messina (238439 inhabitants)
84 Km E of Caltanissetta (63360 inhabitants)
86 Km N of Ragusa (73313 inhabitants)
89 Km NE of Vittoria (63339 inhabitants)
92 Km N of Modica (54633 inhabitants)
93 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 2.2
ML-VAX 1.9
1997-10-15
15:48:55
37.67 14.986 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 300849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-15 15:48:55 ± 0.045
Latitude 37.6700 ± 0.0024
Longitude 14.9860 ± 0.0053
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 300849

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) 536.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.00834
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 300849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:42:42

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 300849
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. 1997-10-15T15:49:17.81 10.0 undecidable manual SG 182 0.6105 0.11 0.3
--.MEU.Z. 1997-10-15T15:49:16.27 10.0 undecidable manual SG 192 0.5661 -0.05 0.5
--.SOI.Z. 1997-10-15T15:49:14.10 10.0 undecidable manual PG 63 0.9213 -0.08 0.9
--.AU9.Z. 1997-10-15T15:49:12.72 10.0 undecidable manual SG 155 0.444 0.12 0.3
--.MNO.Z. 1997-10-15T15:49:08.56 10.0 undecidable manual SG 318 0.3441 -0.12 0.3
--.PZI.Z. 1997-10-15T15:49:08.18 10.0 positive manual PG 182 0.6105 0.03 2.7
--.MEU.Z. 1997-10-15T15:49:07.10 10.0 undecidable manual PG 192 0.5661 -0.25 0.1
--.AU9.Z. 1997-10-15T15:49:05.27 10.0 undecidable manual PG 155 0.444 0.06 1.3
--.MNO.Z. 1997-10-15T15:49:03.10 10.0 positive manual PG 318 0.3441 0.07 2.4
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