Earthquake with magnitude of Md 2.4 on date 26-07-1997 and time 18:35:07 (UTC) in region Costa Catanese (Catania)

A magnitude Md 2.4 earthquake occured in region: Costa Catanese (Catania), on

  • 26-07-1997 18:35:07 (UTC)
  • 26-07-1997 20:35:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7750, 15.5280 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Acireale (52622 inhabitants)
39 Km S of Reggio di Calabria (183035 inhabitants)
47 Km S of Messina (238439 inhabitants)
49 Km NE of Catania (314555 inhabitants)
82 Km N of Siracusa (122291 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 1.7
1997-07-26
18:35:07
37.775 15.528 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 274049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-07-26 18:35:07 ± 0.228
Latitude 37.7750 ± 0.0138
Longitude 15.5280 ± 0.0219
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 274049

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) 2456.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.00777
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 274049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:18:58

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 274049
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
--.MEU.Z. 1997-07-26T18:35:37.93 10.0 undecidable manual SG 220 0.8658 0.82 0.1
--.SOI.Z. 1997-07-26T18:35:26.17 10.0 undecidable manual SG 54 0.4995 0.39 0.6
--.MEU.Z. 1997-07-26T18:35:24.43 10.0 undecidable manual PG 220 0.8658 -0.14 1.5
--.MSI.Z. 1997-07-26T18:35:24.00 10.0 undecidable manual SG 2 0.4218 0.86 0.1
--.ATN.Z. 1997-07-26T18:35:21.75 10.0 undecidable manual SG 352 0.3885 -0.04 0.9
--.MO9.Z. 1997-07-26T18:35:18.54 10.0 undecidable manual SG 29 0.2553 0.76 0.2
--.SOI.Z. 1997-07-26T18:35:17.74 10.0 undecidable manual PG 54 0.4995 -0.29 1.7
--.MSI.Z. 1997-07-26T18:35:16.50 10.0 undecidable manual PG 2 0.4218 -0.01 2.1
--.ATN.Z. 1997-07-26T18:35:15.90 10.0 undecidable manual PG 352 0.3885 -0.63 0.8
--.MO9.Z. 1997-07-26T18:35:13.26 10.0 undecidable manual PG 29 0.2553 -0.16 2
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