Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 29-04-1990 and time 07:16:38 (UTC) in region Isole Eolie (Messina)

A magnitude Md 2.5 earthquake occured in region: Isole Eolie (Messina), on

  • 29-04-1990 07:16:38 (UTC)
  • 29-04-1990 09:16:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3100, 14.9710 at 12 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gioiosa Marea ME 17 7074 7074
Lipari ME 18 12753 19827
Piraino ME 19 3962 23789
Patti ME 19 13431 37220
Montagnareale ME 20 1615 38835

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km W of Messina (238439 inhabitants)
63 Km W of Reggio di Calabria (183035 inhabitants)
79 Km N of Acireale (52622 inhabitants)
90 Km N of Catania (314555 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 2.5
ML-VAX 2.1 		1990-04-29
07:16:38		 38.31 14.971 12 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 115449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-04-29 07:16:38 ± 0.232
Latitude 38.3100 ± 0.0195
Longitude 14.9710 ± 0.0181
Depth (km) 12 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 115449

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) 2682.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
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) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.01692
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 115449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:47:21

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 115449
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
--.MGR.Z. 1990-04-29T07:17:10.15 10.0 undecidable manual PN 13 1.8759 0.01 0.9
--.GIB.Z. 1990-04-29T07:17:04.75 10.0 undecidable manual SG 246 0.7992 -1.55 0.1
--.GRI.Z. 1990-04-29T07:17:02.79 10.0 undecidable manual PN 65 1.2432 1.41 0.3
--.GMB.Z. 1990-04-29T07:17:02.45 10.0 undecidable manual SG 101 0.6882 -0.02 0.7
--.MO9.Z. 1990-04-29T07:17:01.59 10.0 undecidable manual SG 118 0.6327 0.48 0.6
--.CZI.Z. 1990-04-29T07:17:00.62 10.0 undecidable manual PN 44 1.2765 -1.3 0.4
--.SC9.Z. 1990-04-29T07:16:58.44 10.0 undecidable manual SG 94 0.5883 -0.76 0.4
--.MSI.Z. 1990-04-29T07:16:57.95 10.0 undecidable manual SG! 102 0.4662 2.45 0
--.ATN.Z. 1990-04-29T07:16:54.53 10.0 undecidable manual SG 111 0.4107 0.84 0.4
--.GIB.Z. 1990-04-29T07:16:54.73 10.0 undecidable manual PG 246 0.7992 0.2 1.5
--.GMB.Z. 1990-04-29T07:16:54.10 10.0 undecidable manual PG 101 0.6882 1.7 0.2
--.FE2.Z. 1990-04-29T07:16:54.82 10.0 undecidable manual PG 106 0.9213 -1.74 0.2
--.DR2.Z. 1990-04-29T07:16:54.20 10.0 undecidable manual PG 65 0.8214 -0.61 1.2
--.GA2.Z. 1990-04-29T07:16:51.90 10.0 undecidable manual PG 101 0.6882 -0.42 1.5
--.MO9.Z. 1990-04-29T07:16:51.74 10.0 undecidable manual PG 118 0.6327 0.21 1.6
--.SC9.Z. 1990-04-29T07:16:50.38 10.0 undecidable manual PG 94 0.5883 -0.05 1.7
--.SA1.Z. 1990-04-29T07:16:50.29 10.0 undecidable manual SG 336 0.2664 1.11 0.3
--.MSI.Z. 1990-04-29T07:16:48.37 10.0 undecidable manual PG 102 0.4662 0.08 1.7
--.MNO.Z. 1990-04-29T07:16:48.11 10.0 undecidable manual PG 209 0.4329 0.5 1.4
--.ATN.Z. 1990-04-29T07:16:47.18 10.0 undecidable manual PG 111 0.4107 -0.07 1.7
--.SA1.Z. 1990-04-29T07:16:44.67 10.0 negative manual PG 336 0.2664 0.03 3.3
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