Earthquake with magnitude of Md 2.2 on date 25-09-1997 and time 01:46:04 (UTC) in region 1 km SE Centuripe (EN)

A magnitude Md 2.2 earthquake occured in region: 1 km SE Centuripe (EN), on

  • 25-09-1997 01:46:04 (UTC)
  • 25-09-1997 03:46:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6110, 14.7480 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
Centuripe EN 1 5470 5470
Catenanuova EN 7 4866 10336
Adrano CT 10 36122 46458
Regalbuto EN 11 7277 53735
Biancavilla CT 11 24007 77742
Santa Maria di Licodia CT 12 7641 85383
PaternĂ² CT 14 48228 133611
Castel di Iudica CT 16 4625 138236
Ragalna CT 17 3924 142160

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Catania (314555 inhabitants)
37 Km W of Acireale (52622 inhabitants)
62 Km E of Caltanissetta (63360 inhabitants)
75 Km NE of Gela (75827 inhabitants)
76 Km N of Vittoria (63339 inhabitants)
76 Km N of Ragusa (73313 inhabitants)
78 Km NW of Siracusa (122291 inhabitants)
84 Km N of Modica (54633 inhabitants)
96 Km SW of Messina (238439 inhabitants)
96 Km SW of Reggio di Calabria (183035 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 2.0
1997-09-25
01:46:04
37.611 14.748 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 278429
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-09-25 01:46:04 ± 0.211
Latitude 37.6110 ± 0.0116
Longitude 14.7480 ± 0.0263
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 278429

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) 2650.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00704
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 278429
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:23:00

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 278429
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. 1997-09-25T01:46:26.19 10.0 undecidable manual SG 163 0.5772 0.62 0.4
--.AU9.Z. 1997-09-25T01:46:23.68 10.0 undecidable manual SG 133 0.5106 0 0.7
--.MEU.Z. 1997-09-25T01:46:23.21 10.0 undecidable manual SG 172 0.4995 -0.01 0.7
--.ATN.Z. 1997-09-25T01:46:19.72 10.0 undecidable manual PG 45 0.777 -0.66 0.5
--.MNO.Z. 1997-09-25T01:46:17.59 10.0 undecidable manual SG 352 0.3219 0.81 0.2
--.PZI.Z. 1997-09-25T01:46:17.17 10.0 undecidable manual PG 163 0.5772 0.65 0.8
--.CS9.Z. 1997-09-25T01:46:16.58 10.0 undecidable manual PG 301 0.6216 -0.84 0.7
--.MEU.Z. 1997-09-25T01:46:15.20 10.0 undecidable manual PG 172 0.4995 0.04 1.8
--.AU9.Z. 1997-09-25T01:46:15.23 10.0 positive manual PG 133 0.5106 -0.2 3.1
--.MNO.Z. 1997-09-25T01:46:12.00 10.0 undecidable manual PG 352 0.3219 0.55 1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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