Earthquake with magnitude of Md 2.4 on date 31-08-1994 and time 12:17:53 (Italy) in region Mar Ionio Settentrionale (MARE)

A magnitude Md 2.4 earthquake occured in region: Mar Ionio Settentrionale (MARE), on

  • 31-08-1994 10:17:53 (UTC)
  • 31-08-1994 12:17:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9320, 16.5360 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
81 Km E of Reggio di Calabria (183035 inhabitants)
91 Km E of Messina (238439 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 2.1
1994-08-31
10:17:53
37.932 16.536 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 215579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-08-31 10:17:53 ± 2.215
Latitude 37.9320 ± 0.1394
Longitude 16.5360 ± 0.1587
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 215579

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) 20833.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 302
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.1
Epicentral distance of station closest to the epicenter (degree) 0.00356
Epicentral distance of station farthest from the epicenter (degree) 0.01417
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 215579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:23:21

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 215579
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. 1994-08-31T10:18:36.60 10.0 undecidable manual SN 238 1.5762 -4.68 0
--.ATN.Z. 1994-08-31T10:18:21.21 10.0 undecidable manual SG 285 0.8769 -1.96 0.1
--.MEU.Z. 1994-08-31T10:18:18.60 10.0 undecidable manual PN 238 1.5762 -2.35 0.9
--.MO9.Z. 1994-08-31T10:18:15.72 10.0 undecidable manual SG 275 0.666 -0.8 0.5
--.SC9.Z. 1994-08-31T10:18:15.63 10.0 undecidable manual SG 296 0.7215 -2.66 0
--.GMB.Z. 1994-08-31T10:18:14.38 10.0 undecidable manual SG 292 0.5994 -0.13 0.5
--.SOI.Z. 1994-08-31T10:18:09.29 10.0 undecidable manual SG 290 0.3996 1.21 0.5
--.ATN.Z. 1994-08-31T10:18:09.29 10.0 positive manual PG 285 0.8769 -1.21 2
--.MO9.Z. 1994-08-31T10:18:06.42 10.0 positive manual PG 275 0.666 -0.23 2.2
--.SC9.Z. 1994-08-31T10:18:06.54 10.0 negative manual PG 296 0.7215 -1.14 1.7
--.GMB.Z. 1994-08-31T10:18:05.19 10.0 undecidable manual PG 292 0.5994 -0.3 1.3
--.SOI.Z. 1994-08-31T10:18:02.34 10.0 negative manual PG 290 0.3996 0.55 2.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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