Earthquake with magnitude of Md 2.4 on date 04-04-1988 and time 22:26:51 (UTC) in region Isole Eolie (Messina)

A magnitude Md 2.4 earthquake occured in region: Isole Eolie (Messina), on

  • 04-04-1988 22:26:51 (UTC)
  • 05-04-1988 00:26:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4540, 14.6930 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
Leni ME 16 696 696
Malfa ME 19 982 1678
Santa Marina Salina ME 20 903 2581

Municipalities with at least 50000 inhabitants

An earthquake occurred to
81 Km W of Messina (238439 inhabitants)
91 Km W 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 2.4
ML-VAX 1.8
1988-04-04
22:26:51
38.454 14.693 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 65729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-04-04 22:26:51 ± 0.242
Latitude 38.4540 ± 0.0188
Longitude 14.6930 ± 0.0188
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 65729

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) 2652.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00599
Epicentral distance of station farthest from the epicenter (degree) 0.01627
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 65729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:02:18

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 65729
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. 1988-04-04T22:27:35.54 10.0 undecidable manual SN 175 1.3431 0.66 0.2
--.SOI.Z. 1988-04-04T22:27:30.42 10.0 undecidable manual SN 109 1.1322 0.59 0.3
--.MGR.Z. 1988-04-04T22:27:22.80 10.0 undecidable manual PN 21 1.8093 0.09 1.5
--.MEU.Z. 1988-04-04T22:27:16.54 10.0 undecidable manual PN 175 1.3431 0.2 1.7
--.GIB.Z. 1988-04-04T22:27:15.31 10.0 undecidable manual SG 229 0.6882 -1.03 0.1
--.ATN.Z. 1988-04-04T22:27:14.93 10.0 undecidable manual SG 116 0.666 -0.52 0.4
--.SOI.Z. 1988-04-04T22:27:12.89 10.0 undecidable manual PN 109 1.1322 -0.54 1
--.GIB.Z. 1988-04-04T22:27:05.95 10.0 undecidable manual PG 229 0.6882 0.31 1.7
--.ATN.Z. 1988-04-04T22:27:05.18 10.0 undecidable manual PG 116 0.666 0.05 2.1
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