Earthquake with magnitude of Md 2.5 on date 15-10-1991 and time 08:27:56 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude Md 2.5 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 15-10-1991 08:27:56 (UTC)
  • 15-10-1991 09:27:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.2850, 15.2750 at 121 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
Milazzo ME 8 31646 31646
Venetico ME 11 3911 35557
Spadafora ME 11 5021 40578
Pace del Mela ME 12 6239 46817
Torregrotta ME 12 7431 54248
San Filippo del Mela ME 13 7115 61363
CondrĂ² ME 13 493 61856
Merì ME 13 2338 64194
Valdina ME 13 1355 65549
Gualtieri SicaminĂ² ME 14 1807 67356
Roccavaldina ME 14 1133 68489
Villafranca Tirrena ME 15 8584 77073
San Pier Niceto ME 16 2837 79910
Santa Lucia del Mela ME 16 4650 84560
Barcellona Pozzo di Gotto ME 16 41583 126143
Monforte San Giorgio ME 17 2777 128920
Saponara ME 17 3988 132908
Rometta ME 18 6650 139558
Terme Vigliatore ME 19 7395 146953

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Messina (238439 inhabitants)
38 Km NW of Reggio di Calabria (183035 inhabitants)
75 Km N of Acireale (52622 inhabitants)
88 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 2.3
1991-10-15
08:27:56
38.285 15.275 121 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 151039
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-10-15 08:27:56 ± 0.86
Latitude 38.2850 ± 0.0473
Longitude 15.2750 ± 0.0860
Depth (km) 121 ± 8 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 151039

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) 9169.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 235
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.01676
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 151039
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:20:58

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 151039
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
--.GRI.Z. 1991-10-15T08:28:35.50 10.0 undecidable manual S 58 1.0434 -0.45 0.5
--.SOI.Z. 1991-10-15T08:28:29.95 10.0 undecidable manual S 108 0.6438 0.09 0.7
--.MO9.Z. 1991-10-15T08:28:28.80 10.0 undecidable manual S 130 0.4329 1.36 0.1
--.MMN.Z. 1991-10-15T08:28:27.40 10.0 undecidable manual P 18 1.6872 0.79 0.6
--.MGR.Z. 1991-10-15T08:28:27.86 10.0 undecidable manual P 6 1.8648 -0.77 0.6
--.CSI.Z. 1991-10-15T08:28:27.80 10.0 undecidable manual P 27 1.6872 1.23 0.2
--.ATN.Z. 1991-10-15T08:28:25.41 10.0 undecidable manual S 130 0.1887 -0.34 0.6
--.CZI.Z. 1991-10-15T08:28:20.12 10.0 undecidable manual P 35 1.1433 -0.25 2.9
--.GRI.Z. 1991-10-15T08:28:18.50 10.0 undecidable manual P 58 1.0434 -0.79 0.8
--.SOI.Z. 1991-10-15T08:28:15.74 10.0 undecidable manual P 108 0.6438 -0.04 1.8
--.MO9.Z. 1991-10-15T08:28:14.59 10.0 undecidable manual P 130 0.4329 0.21 1.7
--.ATN.Z. 1991-10-15T08:28:12.97 10.0 undecidable manual P 130 0.1887 -0.43 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download