Earthquake with magnitude of Md 2.4 on date 10-08-1997 and time 00:41:58 (UTC) in region 4 km NW Nicolosi (CT)

A magnitude Md 2.4 earthquake occured in region: 4 km NW Nicolosi (CT), on

  • 10-08-1997 00:41:58 (UTC)
  • 10-08-1997 02:41:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6420, 14.9980 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
Nicolosi CT 4 7463 7463
Ragalna CT 5 3924 11387
Belpasso CT 6 28108 39495
Pedara CT 6 14102 53597
Trecastagni CT 8 10910 64507
San Pietro Clarenza CT 8 7743 72250
Camporotondo Etneo CT 8 5023 77273
Mascalucia CT 9 31958 109231
Viagrande CT 9 8563 117794
Tremestieri Etneo CT 10 20589 138383
Santa Maria di Licodia CT 10 7641 146024
Gravina di Catania CT 11 25838 171862
Aci Bonaccorsi CT 11 3524 175386
PaternĂ² CT 11 48228 223614
Zafferana Etnea CT 11 9517 233131
San Giovanni la Punta CT 11 23060 256191
Biancavilla CT 11 24007 280198
Sant'Agata li Battiati CT 12 9479 289677
Aci Sant'Antonio CT 12 17984 307661
San Gregorio di Catania CT 13 11966 319627
Valverde CT 13 7840 327467
Misterbianco CT 13 49410 376877
Aci Catena CT 14 29851 406728
Santa Venerina CT 14 8592 415320
Milo CT 14 1087 416407
Motta Sant'Anastasia CT 15 12116 428523
Adrano CT 15 36122 464645
Acireale CT 15 52622 517267
Aci Castello CT 16 18723 535990
Sant'Alfio CT 17 1582 537572
Catania CT 17 314555 852127
Giarre CT 19 27659 879786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km W of Acireale (52622 inhabitants)
17 Km NW of Catania (314555 inhabitants)
70 Km NW of Siracusa (122291 inhabitants)
77 Km SW of Reggio di Calabria (183035 inhabitants)
79 Km SW of Messina (238439 inhabitants)
83 Km N of Ragusa (73313 inhabitants)
84 Km E of Caltanissetta (63360 inhabitants)
87 Km NE of Vittoria (63339 inhabitants)
89 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 2.4
ML-VAX 1.6
1997-08-10
00:41:58
37.642 14.998 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 275099
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-08-10 00:41:58 ± 0.909
Latitude 37.6420 ± 0.0696
Longitude 14.9980 ± 0.0261
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 275099

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) 8071.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 232
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.00842
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 275099
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:19:56

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 275099
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. 1997-08-10T00:42:17.83 10.0 undecidable manual PG 62 0.9324 -0.04 1.4
--.SA1.Z. 1997-08-10T00:42:16.93 10.0 undecidable manual PG 351 0.9213 -0.77 0.7
--.GIB.Z. 1997-08-10T00:42:16.42 10.0 undecidable manual PG 294 0.8325 0.34 1.3
--.MNO.Z. 1997-08-10T00:42:14.97 10.0 undecidable manual SG 320 0.3663 1.53 0
--.MO9.Z. 1997-08-10T00:42:13.18 10.0 undecidable manual PG 56 0.6438 0.54 1.1
--.ATN.Z. 1997-08-10T00:42:12.25 10.0 undecidable manual PG 35 0.6327 0.05 1.7
--.MNO.Z. 1997-08-10T00:42:06.52 10.0 undecidable manual PG 320 0.3663 -0.74 0.8
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