Earthquake with magnitude of Md 2.4 on date 04-01-1992 and time 13:44:52 (Italy) in region Tirreno Meridionale (MARE)

A magnitude Md 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 04-01-1992 12:44:52 (UTC)
  • 04-01-1992 13:44:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4990, 12.8260 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
60 Km NE of Trapani (68759 inhabitants)
63 Km NW of Palermo (674435 inhabitants)
76 Km NW of Bagheria (55387 inhabitants)
85 Km NE of Marsala (83194 inhabitants)
96 Km N of Mazara del Vallo (51718 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 2.0
1992-01-04
12:44:52
38.499 12.826 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 156299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-01-04 12:44:52 ± 0.583
Latitude 38.4990 ± 0.0488
Longitude 12.8260 ± 0.0647
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 156299

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) 7822.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.00963
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 156299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:25:59

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 156299
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
--.LVI.Z. 1992-01-04T12:45:17.75 10.0 undecidable manual SG 217 0.6327 1.38 0.1
--.MCT.Z. 1992-01-04T12:45:15.00 10.0 undecidable manual PG 144 1.0656 0.5 1.1
--.ERC.Z. 1992-01-04T12:45:09.97 10.0 undecidable manual SG 202 0.4995 -1.84 0
--.USI.Z. 1992-01-04T12:45:07.21 10.0 undecidable manual SG 52 0.3441 0.74 0.5
--.LVI.Z. 1992-01-04T12:45:06.34 10.0 undecidable manual PG 217 0.6327 -0.13 1.9
--.ERC.Z. 1992-01-04T12:45:03.99 10.0 undecidable manual PG 202 0.4995 0.15 1.9
--.USI.Z. 1992-01-04T12:45:00.11 10.0 undecidable manual PG 52 0.3441 -0.64 1.4
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