Earthquake with magnitude of Md 2.3 on date 24-12-1997 and time 12:09:45 (Italy) in region 1 km NE Tremestieri Etneo (CT)

A magnitude Md 2.3 earthquake occured in region: 1 km NE Tremestieri Etneo (CT), on

  • 24-12-1997 11:09:45 (UTC)
  • 24-12-1997 12:09:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.5880, 15.0780 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
Tremestieri Etneo CT 1 20589 20589
San Giovanni la Punta CT 2 23060 43649
Mascalucia CT 3 31958 75607
Aci Bonaccorsi CT 3 3524 79131
Viagrande CT 3 8563 87694
Sant'Agata li Battiati CT 3 9479 97173
Gravina di Catania CT 3 25838 123011
Trecastagni CT 3 10910 133921
Pedara CT 4 14102 148023
San Gregorio di Catania CT 4 11966 159989
Valverde CT 4 7840 167829
Aci Sant'Antonio CT 5 17984 185813
San Pietro Clarenza CT 5 7743 193556
Nicolosi CT 5 7463 201019
Aci Catena CT 6 29851 230870
Camporotondo Etneo CT 7 5023 235893
Aci Castello CT 7 18723 254616
Acireale CT 8 52622 307238
Belpasso CT 9 28108 335346
Catania CT 9 314555 649901
Misterbianco CT 10 49410 699311
Zafferana Etnea CT 12 9517 708828
Santa Venerina CT 12 8592 717420
Motta Sant'Anastasia CT 13 12116 729536
Ragalna CT 13 3924 733460
PaternĂ² CT 15 48228 781688
Milo CT 16 1087 782775
Santa Maria di Licodia CT 17 7641 790416
Sant'Alfio CT 18 1582 791998
Giarre CT 19 27659 819657
Biancavilla CT 19 24007 843664
Riposto CT 20 14838 858502

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km W of Acireale (52622 inhabitants)
9 Km N of Catania (314555 inhabitants)
62 Km N of Siracusa (122291 inhabitants)
76 Km SW of Reggio di Calabria (183035 inhabitants)
80 Km SW of Messina (238439 inhabitants)
80 Km NE of Ragusa (73313 inhabitants)
86 Km NE of Vittoria (63339 inhabitants)
86 Km NE of Modica (54633 inhabitants)
90 Km E of Caltanissetta (63360 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 2.3
ML-VAX 1.7
1997-12-24
11:09:45
37.588 15.078 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 317809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-12-24 11:09:45 ± 0.448
Latitude 37.5880 ± 0.0293
Longitude 15.0780 ± 0.0363
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 317809

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) 4568.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00413
Epicentral distance of station farthest from the epicenter (degree) 0.00826
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 317809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:57:58

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 317809
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
--.GIB.Z. 1997-12-24T11:10:19.45 10.0 undecidable manual SG 295 0.9213 1.79 0.1
--.SOI.Z. 1997-12-24T11:10:19.20 10.0 undecidable manual SG 57 0.9102 1.89 0.1
--.GIB.Z. 1997-12-24T11:10:03.33 10.0 undecidable manual PG 295 0.9213 -0.61 1.4
--.SOI.Z. 1997-12-24T11:10:03.84 10.0 undecidable manual PG 57 0.9102 0.11 1.7
--.MNO.Z. 1997-12-24T11:10:02.84 10.0 undecidable manual SG 318 0.4551 0.05 0.8
--.PZI.Z. 1997-12-24T11:09:57.44 10.0 undecidable manual PG 190 0.5439 0.56 1.6
--.ATN.Z. 1997-12-24T11:09:57.44 10.0 undecidable manual PG 27 0.6327 -1.38 0.7
--.MNO.Z. 1997-12-24T11:09:54.70 10.0 undecidable manual PG 318 0.4551 -0.65 1.5
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