Earthquake with magnitude of Md 3.7 on date 25-03-1997 and time 01:46:15 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude Md 3.7 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 25-03-1997 00:46:15 (UTC)
  • 25-03-1997 01:46:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.198, 15.767 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
45 Km E of Siracusa (122291 inhabitants)
69 Km SE of Catania (314555 inhabitants)
70 Km SE of Acireale (52622 inhabitants)
97 Km E of Ragusa (73313 inhabitants)
97 Km E of Modica (54633 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 3.7
ML-VAX 3.6
1997-03-25
00:46:15
37.198 15.767 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 263909
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-03-25 00:46:15 ± 0.566
Latitude 37.1980 ± 0.0352
Longitude 15.7670 ± 0.0397
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 263909

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) 5259.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 228
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00389
Epicentral distance of station farthest from the epicenter (degree) 0.05124
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

Md:3.7

Field Value
Value 3.7
Uncertainty
Num. used stations 8
Type of magnitude Md
Reference to an origin 263909
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:09:37

ML:3.6

Field Value
Value 3.6
Uncertainty
Num. used stations 22
Type of magnitude ML
Reference to an origin 263909
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. 1997-03-25T00:47:51.86 10.0 undecidable manual SN 356 0.0321 -0.56 0.4
--.MNS.Z. 1997-03-25T00:47:42.30 10.0 undecidable manual PN 336 0.0512 1.48 0.2
--.PQ9.Z. 1997-03-25T00:47:33.83 10.0 undecidable manual PN 339 0.0464 0.5 0.7
--.SDI.Z. 1997-03-25T00:47:28.27 10.0 undecidable manual PN 341 0.0427 0.42 0.8
--.FG2.Z. 1997-03-25T00:47:27.19 10.0 undecidable manual PN 354 0.0416 1.08 0.4
--.DUI.Z. 1997-03-25T00:47:26.32 10.0 undecidable manual PN 347 0.0411 0.99 0.5
--.FG3.Z. 1997-03-25T00:47:24.14 10.0 undecidable manual PN 1 0.0406 -0.34 0.9
--.SMB1.Z. 1997-03-25T00:47:22.13 10.0 undecidable manual PN 349 0.0384 0.91 0.6
--.DSB1.Z. 1997-03-25T00:47:21.70 10.0 undecidable manual PN 351 0.0372 1.76 0.1
--.FG5.Z. 1997-03-25T00:47:20.33 10.0 undecidable manual PN 354 0.0368 1.46 0.2
--.RMI2.Z. 1997-03-25T00:47:20.67 10.0 undecidable manual PN 344 0.0379 0.21 1
--.PSB1.Z. 1997-03-25T00:47:19.25 10.0 undecidable manual PN 349 0.0367 0.52 0.8
--.VTB1.Z. 1997-03-25T00:47:18.92 10.0 undecidable manual PN 347 0.0367 0.34 0.9
--.MRB1.Z. 1997-03-25T00:47:18.26 10.0 undecidable manual PN 350 0.0357 1.17 0.4
--.CA9.Z. 1997-03-25T00:47:15.30 10.0 undecidable manual PN 355 0.0334 1.54 0.2
--.CI9.Z. 1997-03-25T00:47:13.50 10.0 undecidable manual PN 350 0.0334 0.05 1.1
--.BRT.Z. 1997-03-25T00:47:13.25 10.0 undecidable manual PN 15 0.0344 -1.86 0.1
--.MU9.Z. 1997-03-25T00:47:12.80 10.0 undecidable manual PN 356 0.0321 0.52 0.9
--.LCI.Z. 1997-03-25T00:47:11.30 10.0 undecidable manual PN 29 0.0326 -1.36 0.3
--.LT9.Z. 1997-03-25T00:47:09.40 10.0 undecidable manual PN 12 0.0315 -1.23 0.4
--.SGO.Z. 1997-03-25T00:47:08.49 10.0 undecidable manual PN 353 0.0304 -0.47 1
--.SL9.Z. 1997-03-25T00:47:05.80 10.0 undecidable manual PN 357 0.0287 -0.6 0.9
--.CS9.Z. 1997-03-25T00:47:04.82 10.0 undecidable manual SN 298 0.0138 0.78 0.3
--.ORI.Z. 1997-03-25T00:47:03.42 10.0 undecidable manual PN 9 0.0261 1.04 0.6
--.LVI.Z. 1997-03-25T00:47:01.10 10.0 undecidable manual PN 286 0.0254 -0.39 1.1
--.ERC.Z. 1997-03-25T00:46:58.61 10.0 negative manual PN 289 0.0239 -0.39 2.3
--.TDS.Z. 1997-03-25T00:46:56.32 10.0 undecidable manual PN 9 0.0225 -0.59 1
--.MSI.Z. 1997-03-25T00:46:52.22 10.0 undecidable manual SG 350 0.0091 0.91 0.3
--.SOI.Z. 1997-03-25T00:46:46.27 10.0 undecidable manual SG 14 0.0081 -1.36 0.1
--.FAI.Z. 1997-03-25T00:46:45.47 10.0 positive manual PN 272 0.015 -0.04 2.6
--.GRI.Z. 1997-03-25T00:46:45.84 10.0 positive manual PN 17 0.0153 -0.11 2.6
--.CS9.Z. 1997-03-25T00:46:43.22 10.0 negative manual PN 298 0.0138 -0.41 2.3
--.MEU.Z. 1997-03-25T00:46:42.49 10.0 undecidable manual SG 263 0.0067 -0.25 0.5
--.PZI.Z. 1997-03-25T00:46:41.56 10.0 undecidable manual SG 257 0.006 1.47 0.1
--.MNO.Z. 1997-03-25T00:46:37.20 10.0 negative manual PN 310 0.01 -0.8 1.7
--.MSI.Z. 1997-03-25T00:46:35.55 10.0 negative manual PG 350 0.0091 -0.73 1.8
--.SC9.Z. 1997-03-25T00:46:35.88 10.0 positive manual PG 357 0.0095 -1.15 1
--.ATN.Z. 1997-03-25T00:46:34.74 10.0 negative manual PG 345 0.0089 -1 1.3
--.GMB.Z. 1997-03-25T00:46:34.80 10.0 undecidable manual PG 2 0.0087 -0.59 1
--.SOI.Z. 1997-03-25T00:46:34.23 10.0 positive manual PG 14 0.0081 0.08 2.6
--.MO9.Z. 1997-03-25T00:46:32.30 10.0 positive manual PG 355 0.0072 -0.03 2.6
--.AU9.Z. 1997-03-25T00:46:31.40 10.0 undecidable manual SG 277 0.0039 -1.64 0.1
--.MEU.Z. 1997-03-25T00:46:30.21 10.0 positive manual PG 263 0.0067 -1.12 1.1
--.PZI.Z. 1997-03-25T00:46:29.48 10.0 positive manual PG 257 0.006 -0.32 2.4
--.AU9.Z. 1997-03-25T00:46:25.45 10.0 positive manual PG 277 0.0039 -0.07 2.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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