Earthquake with magnitude of Md 3.3 on date 24-07-1997 and time 12:21:18 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude Md 3.3 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 24-07-1997 10:21:18 (UTC)
  • 24-07-1997 12:21:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.36, 16.01 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km NE of Siracusa (122291 inhabitants)
79 Km E of Acireale (52622 inhabitants)
83 Km E of Catania (314555 inhabitants)
89 Km SE 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
Rev 1000 Md 3.3
ML-VAX 2.9
1997-07-24
10:21:18
37.36 16.01 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 273899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-07-24 10:21:18 ± 0.621
Latitude 37.36 ± 0.02
Longitude 16.01 ± 0.04
Depth (km) 5 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 273899

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) 4338.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 237
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00567
Epicentral distance of station farthest from the epicenter (degree) 0.03076
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

Md:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 273899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:18:50

ML:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 10
Type of magnitude ML
Reference to an origin 273899
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 Takeoff_angle Residual Weight
--.MU9.Z. 1997-07-24T10:22:52.93 10.0 undecidable manual SN 352 0.0308 1.46 0
--.LT9.Z. 1997-07-24T10:22:48.68 10.0 undecidable manual SN 10 0.0296 0.09 0.3
--.MGR.Z. 1997-07-24T10:22:35.10 10.0 undecidable manual SN 352 0.0251 -1.59 0
--.MU9.Z. 1997-07-24T10:22:12.22 10.0 undecidable manual PN 352 0.0308 0.07 0.8
--.GIB.Z. 1997-07-24T10:22:11.30 10.0 undecidable manual SN 291 0.0151 0.77 0.3
--.LT9.Z. 1997-07-24T10:22:09.10 10.0 undecidable manual PN 10 0.0296 -1.38 0.1
--.GRI.Z. 1997-07-24T10:22:05.87 10.0 undecidable manual SN 11 0.0134 0.2 0.5
--.SA1.Z. 1997-07-24T10:22:04.98 10.0 undecidable manual SN 322 0.0136 -1.17 0.1
--.MGR.Z. 1997-07-24T10:22:03.24 10.0 positive manual PN 352 0.0251 -0.33 1.7
--.MNO.Z. 1997-07-24T10:21:57.65 10.0 undecidable manual SN 298 0.0106 -0.66 0.3
--.MEU.Z. 1997-07-24T10:21:53.50 10.0 undecidable manual SG 254 0.0087 1.15 0.1
--.SC9.Z. 1997-07-24T10:21:52.15 10.0 undecidable manual SG 345 0.0083 1.33 0.1
--.PZI.Z. 1997-07-24T10:21:50.00 10.0 undecidable manual SG 249 0.008 -0.05 0.6
--.MSI.Z. 1997-07-24T10:21:50.41 10.0 undecidable manual SG 336 0.0082 -0.08 0.5
--.GIB.Z. 1997-07-24T10:21:49.00 10.0 positive manual PN 291 0.0151 0.64 1.6
--.CS9.Z. 1997-07-24T10:21:48.72 10.0 undecidable manual PN 290 0.0147 1.07 0.4
--.ATN.Z. 1997-07-24T10:21:48.67 10.0 undecidable manual SG 331 0.0081 -1.54 0
--.GRI.Z. 1997-07-24T10:21:46.97 10.0 undecidable manual PN 11 0.0134 1.26 0.2
--.GMB.Z. 1997-07-24T10:21:46.61 10.0 undecidable manual SG 349 0.0073 -0.81 0.3
--.SA1.Z. 1997-07-24T10:21:45.60 10.0 positive manual PN 322 0.0136 -0.38 2.3
--.MO9.Z. 1997-07-24T10:21:43.34 10.0 undecidable manual SG 338 0.0062 0.15 0.5
--.SOI.Z. 1997-07-24T10:21:43.54 10.0 undecidable manual SG 2 0.0063 -0.48 0.4
--.AU9.Z. 1997-07-24T10:21:42.47 10.0 undecidable manual SG 259 0.0057 0.89 0.2
--.MNO.Z. 1997-07-24T10:21:41.36 10.0 undecidable manual PN 298 0.0106 -0.1 1.4
--.MEU.Z. 1997-07-24T10:21:37.50 10.0 positive manual PG 254 0.0087 -0.96 1
--.MSI.Z. 1997-07-24T10:21:36.98 10.0 positive manual PG 336 0.0082 0.04 2.8
--.PZI.Z. 1997-07-24T10:21:36.36 10.0 positive manual PG 249 0.008 -0.33 2.5
--.SC9.Z. 1997-07-24T10:21:36.64 10.0 negative manual PG 345 0.0083 -0.49 2.1
--.ATN.Z. 1997-07-24T10:21:36.74 10.0 negative manual PG 331 0.0081 -0.04 2.8
--.GMB.Z. 1997-07-24T10:21:35.16 10.0 negative manual PG 349 0.0073 -0.01 2.8
--.MO9.Z. 1997-07-24T10:21:33.32 10.0 negative manual PG 338 0.0062 0.6 1.9
--.SOI.Z. 1997-07-24T10:21:33.77 10.0 negative manual PG 2 0.0063 0.56 1.9
--.AU9.Z. 1997-07-24T10:21:32.60 10.0 positive manual PG 259 0.0057 0.26 2.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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