Earthquake with magnitude of Md 2.3 on date 10-07-1997 and time 15:48:54 (UTC) in region 4 km NE Ragalna (CT)

A magnitude Md 2.3 earthquake occured in region: 4 km NE Ragalna (CT), on

  • 10-07-1997 15:48:54 (UTC)
  • 10-07-1997 17:48:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6640, 14.9650 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
Ragalna CT 4 3924 3924
Nicolosi CT 8 7463 11387
Belpasso CT 8 28108 39495
Santa Maria di Licodia CT 9 7641 47136
Biancavilla CT 9 24007 71143
Pedara CT 10 14102 85245
PaternĂ² CT 11 48228 133473
Camporotondo Etneo CT 11 5023 138496
Trecastagni CT 11 10910 149406
San Pietro Clarenza CT 11 7743 157149
Adrano CT 12 36122 193271
Zafferana Etnea CT 13 9517 202788
Mascalucia CT 13 31958 234746
Viagrande CT 13 8563 243309
Tremestieri Etneo CT 14 20589 263898
Gravina di Catania CT 14 25838 289736
Aci Bonaccorsi CT 15 3524 293260
Milo CT 15 1087 294347
San Giovanni la Punta CT 15 23060 317407
Sant'Agata li Battiati CT 15 9479 326886
Aci Sant'Antonio CT 16 17984 344870
Santa Venerina CT 16 8592 353462
Misterbianco CT 16 49410 402872
San Gregorio di Catania CT 17 11966 414838
Motta Sant'Anastasia CT 17 12116 426954
Valverde CT 17 7840 434794
Aci Catena CT 17 29851 464645
Bronte CT 18 19172 483817
Sant'Alfio CT 18 1582 485399
Acireale CT 19 52622 538021
Aci Castello CT 20 18723 556744

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Acireale (52622 inhabitants)
21 Km NW of Catania (314555 inhabitants)
73 Km NW of Siracusa (122291 inhabitants)
78 Km SW of Reggio di Calabria (183035 inhabitants)
79 Km SW of Messina (238439 inhabitants)
82 Km E of Caltanissetta (63360 inhabitants)
85 Km N of Ragusa (73313 inhabitants)
88 Km NE of Vittoria (63339 inhabitants)
91 Km N of Modica (54633 inhabitants)
92 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 2.3
ML-VAX 1.9
1997-07-10
15:48:54
37.664 14.965 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 273099
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-07-10 15:48:54 ± 0.168
Latitude 37.6640 ± 0.0086
Longitude 14.9650 ± 0.0162
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 273099

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) 1720.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.00850
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 273099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:18:05

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 273099
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. 1997-07-10T15:49:27.62 10.0 undecidable manual SG 64 0.9435 0.69 0.2
--.MO9.Z. 1997-07-10T15:49:18.13 10.0 undecidable manual SG 59 0.666 0.35 0.5
--.ATN.Z. 1997-07-10T15:49:17.31 10.0 undecidable manual SG 38 0.6327 0.69 0.3
--.MEU.Z. 1997-07-10T15:49:14.54 10.0 undecidable manual SG 190 0.555 0.09 0.7
--.SOI.Z. 1997-07-10T15:49:12.85 10.0 undecidable manual PG 64 0.9435 -0.36 1.1
--.AU9.Z. 1997-07-10T15:49:11.70 10.0 undecidable manual SG 153 0.444 0.63 0.4
--.MNO.Z. 1997-07-10T15:49:08.00 10.0 undecidable manual SG 321 0.3441 0.61 0.3
--.MO9.Z. 1997-07-10T15:49:08.67 10.0 undecidable manual PG 59 0.666 0.75 0.6
--.ATN.Z. 1997-07-10T15:49:06.45 10.0 negative manual PG 38 0.6327 -0.8 1.1
--.MEU.Z. 1997-07-10T15:49:05.99 10.0 undecidable manual PG 190 0.555 -0.02 1.8
--.AU9.Z. 1997-07-10T15:49:03.98 10.0 positive manual PG 153 0.444 -0.07 3.5
--.MNO.Z. 1997-07-10T15:49:02.00 10.0 undecidable manual PG 321 0.3441 0.07 1.7
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