Earthquake with magnitude of Md 2.2 on date 10-07-1991 and time 01:24:11 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude Md 2.2 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 10-07-1991 01:24:11 (UTC)
  • 10-07-1991 03:24:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2230, 15.2200 at 10 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 2 31646 31646
Merì ME 7 2338 33984
San Filippo del Mela ME 7 7115 41099
Barcellona Pozzo di Gotto ME 8 41583 82682
Pace del Mela ME 9 6239 88921
Condrò ME 11 493 89414
Gualtieri Sicaminò ME 11 1807 91221
Terme Vigliatore ME 11 7395 98616
Santa Lucia del Mela ME 11 4650 103266
Torregrotta ME 12 7431 110697
Venetico ME 13 3911 114608
Rodì Milici ME 13 2056 116664
San Pier Niceto ME 14 2837 119501
Spadafora ME 14 5021 124522
Valdina ME 14 1355 125877
Castroreale ME 14 2504 128381
Roccavaldina ME 14 1133 129514
Furnari ME 15 3784 133298
Monforte San Giorgio ME 16 2777 136075
Mazzarrà Sant'Andrea ME 16 1531 137606
Falcone ME 17 2808 140414
Oliveri ME 18 2181 142595
Rometta ME 18 6650 149245
Villafranca Tirrena ME 19 8584 157829
Saponara ME 19 3988 161817

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Messina (238439 inhabitants)
39 Km W of Reggio di Calabria (183035 inhabitants)
68 Km N of Acireale (52622 inhabitants)
81 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 2.2 1991-07-10
01:24:11
38.223 15.22 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 144979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-07-10 01:24:11 ± 0.496
Latitude 38.2230 ± 0.0425
Longitude 15.2200 ± 0.0447
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 144979

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) 6127.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00631
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 144979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:15:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SOI.Z. 1991-07-10T01:24:35.82 10.0 undecidable manual SG 102 0.666 0.99 0.2
--.GA2.Z. 1991-07-10T01:24:30.32 10.0 undecidable manual SG 96 0.4773 1.62 0
--.MO9.Z. 1991-07-10T01:24:27.50 10.0 undecidable manual SG 120 0.4329 0.35 0.6
--.SOI.Z. 1991-07-10T01:24:25.23 10.0 undecidable manual PG 102 0.666 0.33 1.2
--.DR2.Z. 1991-07-10T01:24:24.68 10.0 undecidable manual PG 52 0.6882 -0.69 0.7
--.FE2.Z. 1991-07-10T01:24:24.48 10.0 undecidable manual PG 105 0.6993 -1.03 0.3
--.SA1.Z. 1991-07-10T01:24:21.53 10.0 undecidable manual PG 318 0.444 0.66 0.9
--.GA2.Z. 1991-07-10T01:24:21.20 10.0 undecidable manual PG 96 0.4773 -0.16 1.6
--.ATN.Z. 1991-07-10T01:24:20.00 10.0 undecidable manual SG 108 0.1998 0.31 0.6
--.MO9.Z. 1991-07-10T01:24:20.33 10.0 negative manual PG 120 0.4329 -0.13 3.2
--.ATN.Z. 1991-07-10T01:24:16.00 10.0 undecidable manual PG 108 0.1998 -0.16 1.6
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