Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 11-11-1990 and time 09:11:01 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude Md 2.4 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 11-11-1990 09:11:01 (UTC)
  • 11-11-1990 10:11:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.3740, 15.4390 at 110 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
Villafranca Tirrena ME 15 8584 8584
Spadafora ME 18 5021 13605
Venetico ME 18 3911 17516
Saponara ME 20 3988 21504

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of Messina (238439 inhabitants)
34 Km NW of Reggio di Calabria (183035 inhabitants)
88 Km N of Acireale (52622 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 1.9 		1990-11-11
09:11:01		 38.374 15.439 110 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 130179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-11-11 09:11:01 ± 0.557
Latitude 38.3740 ± 0.0229
Longitude 15.4390 ± 0.0488
Depth (km) 110 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 130179

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) 4960.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
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) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.01967
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 130179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:01:02

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 130179
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
--.CSI.Z. 1990-11-11T09:11:52.60 10.0 undecidable manual S ! 24 1.554 2.99 0
--.TDS.Z. 1990-11-11T09:11:48.11 10.0 undecidable manual S 28 1.4541 0.44 0.2
--.CZI.Z. 1990-11-11T09:11:37.60 10.0 undecidable manual S 32 0.999 -1.1 0
--.SGO.Z. 1990-11-11T09:11:37.50 10.0 undecidable manual P 357 2.1867 0.28 0.5
--.GRI.Z. 1990-11-11T09:11:37.53 10.0 undecidable manual S 59 0.8769 0.83 0
--.MGR.Z. 1990-11-11T09:11:32.00 10.0 undecidable manual P 2 1.7649 0.14 0.8
--.MO9.Z. 1990-11-11T09:11:31.60 10.0 undecidable manual S 151 0.4107 0.84 0
--.DR2.Z. 1990-11-11T09:11:31.00 10.0 undecidable manual S 54 0.4662 0.27 0.4
--.ATN.Z. 1990-11-11T09:11:29.00 10.0 undecidable manual S 175 0.2109 0.41 0.3
--.CSI.Z. 1990-11-11T09:11:29.90 10.0 undecidable manual P 24 1.554 0.58 0.3
--.SC9.Z. 1990-11-11T09:11:28.50 10.0 undecidable manual S 118 0.2442 -0.72 0.1
--.ROI.Z. 1990-11-11T09:11:28.86 10.0 undecidable manual P 35 1.4763 0.43 0.5
--.TDS.Z. 1990-11-11T09:11:27.86 10.0 negative manual P 28 1.4541 -0.34 1.2
--.SE2.Z. 1990-11-11T09:11:24.64 10.0 negative manual P 57 1.1766 -0.32 1.4
--.CZI.Z. 1990-11-11T09:11:22.70 10.0 positive manual P 32 0.999 -0.32 1.6
--.GRI.Z. 1990-11-11T09:11:21.94 10.0 negative manual P 59 0.8769 0.08 2.4
--.RI2.Z. 1990-11-11T09:11:21.40 10.0 positive manual P 86 0.8214 -0.17 2.2
--.FE2.Z. 1990-11-11T09:11:19.30 10.0 positive manual P 123 0.5994 -0.09 2.3
--.MO9.Z. 1990-11-11T09:11:18.16 10.0 positive manual P 151 0.4107 0.04 2.4
--.DR2.Z. 1990-11-11T09:11:18.30 10.0 positive manual P 54 0.4662 -0.11 2.3
--.GA2.Z. 1990-11-11T09:11:18.15 10.0 positive manual P 123 0.3663 0.32 1.6
--.ATN.Z. 1990-11-11T09:11:16.54 10.0 undecidable manual P 175 0.2109 -0.64 0.3
--.SC9.Z. 1990-11-11T09:11:16.91 10.0 positive manual P 118 0.2442 -0.38 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