Earthquake with magnitude of Md 2.1 on date 28-07-1991 and time 23:06:53 (UTC) in region 4 km SE Rometta (ME)

A magnitude Md 2.1 earthquake occured in region: 4 km SE Rometta (ME), on

  • 28-07-1991 23:06:53 (UTC)
  • 29-07-1991 01:06:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1470, 15.4530 at 16 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
Rometta ME 4 6650 6650
Saponara ME 6 3988 10638
Monforte San Giorgio ME 6 2777 13415
Roccavaldina ME 8 1133 14548
San Pier Niceto ME 9 2837 17385
Valdina ME 9 1355 18740
Torregrotta ME 10 7431 26171
Villafranca Tirrena ME 10 8584 34755
Messina ME 11 238439 273194
Itala ME 11 1640 274834
Spadafora ME 11 5021 279855
Venetico ME 11 3911 283766
Scaletta Zanclea ME 12 2140 285906
Condrò ME 12 493 286399
Gualtieri Sicaminò ME 12 1807 288206
Pace del Mela ME 13 6239 294445
Alì ME 14 768 295213
Fiumedinisi ME 15 1409 296622
Santa Lucia del Mela ME 15 4650 301272
Alì Terme ME 16 2539 303811
San Filippo del Mela ME 16 7115 310926
Reggio di Calabria RC 17 183035 493961
Nizza di Sicilia ME 18 3667 497628
Villa San Giovanni RC 18 13784 511412
Merì ME 18 2338 513750
Campo Calabro RC 20 4536 518286
Pagliara ME 20 1170 519456
Roccalumera ME 20 4141 523597
Mandanici ME 20 601 524198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SW of Messina (238439 inhabitants)
17 Km W of Reggio di Calabria (183035 inhabitants)
64 Km NE of Acireale (52622 inhabitants)
78 Km NE 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 2.1 1991-07-28
23:06:53
38.147 15.453 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 146429
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-07-28 23:06:53 ± 0.493
Latitude 38.1470 ± 0.0190
Longitude 15.4530 ± 0.0276
Depth (km) 15 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 146429

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) 3209.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 267
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00008
Epicentral distance of station farthest from the epicenter (degree) 0.00453
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 146429
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:16:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SOI.Z. 1991-07-28T23:07:11.00 10.0 undecidable manual SG 98 0.4773 0.28 0.4
--.GA2.Z. 1991-07-28T23:07:04.46 10.0 undecidable manual SG 85 0.2997 -0.51 0.2
--.SOI.Z. 1991-07-28T23:07:03.55 10.0 undecidable manual PG 98 0.4773 0.19 1.2
--.MO9.Z. 1991-07-28T23:07:03.00 10.0 undecidable manual SG 127 0.2331 -0.21 0.6
--.FE2.Z. 1991-07-28T23:07:03.50 10.0 undecidable manual PG 102 0.4995 -0.43 0.5
--.GA2.Z. 1991-07-28T23:07:00.22 10.0 undecidable manual PG 85 0.2997 0.18 3.2
--.MO9.Z. 1991-07-28T23:06:59.23 10.0 undecidable manual PG 127 0.2331 0.2 1.6
--.ATN.Z. 1991-07-28T23:06:58.80 10.0 undecidable manual SG 35 0.0111 0.43 0.3
--.ATN.Z. 1991-07-28T23:06:55.92 10.0 undecidable manual PG 35 0.0111 -0.3 1.1
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