Earthquake with magnitude of Md 2.1 on date 07-08-1993 and time 03:39:15 (UTC) in region 3 km W Floresta (ME)

A magnitude Md 2.1 earthquake occured in region: 3 km W Floresta (ME), on

  • 07-08-1993 03:39:15 (UTC)
  • 07-08-1993 05:39:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9900, 14.8730 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
Floresta ME 3 485 485
Tortorici ME 6 6435 6920
Ucria ME 6 1058 7978
Raccuja ME 8 1041 9019
Galati Mamertino ME 10 2627 11646
Sinagra ME 11 2705 14351
San Piero Patti ME 11 2915 17266
Longi ME 11 1473 18739
Santa Domenica Vittoria ME 11 980 19719
Castell'Umberto ME 12 3128 22847
San Salvatore di Fitalia ME 12 1319 24166
Montalbano Elicona ME 13 2287 26453
Roccella Valdemone ME 14 666 27119
Sant'Angelo di Brolo ME 14 3090 30209
Randazzo CT 14 10900 41109
Ficarra ME 14 1469 42578
Librizzi ME 14 1660 44238
Frazzanò ME 15 711 44949
Mirto ME 15 974 45923
Maniace CT 15 3765 49688
Alcara li Fusi ME 15 1980 51668
Naso ME 17 3813 55481
Montagnareale ME 17 1615 57096
Maletto CT 18 3920 61016
Malvagna ME 18 733 61749
San Marco d'Alunzio ME 18 1996 63745
Militello Rosmarino ME 18 1324 65069
Basicò ME 19 612 65681
Patti ME 19 13431 79112
Moio Alcantara ME 19 717 79829
Brolo ME 19 5783 85612
Piraino ME 19 3962 89574
Capri Leone ME 20 4515 94089

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km NW of Acireale (52622 inhabitants)
57 Km NW of Catania (314555 inhabitants)
64 Km W of Messina (238439 inhabitants)
69 Km W of Reggio di Calabria (183035 inhabitants)
90 Km NE of Caltanissetta (63360 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
ML-VAX 1.8
1993-08-07
03:39:15
37.99 14.873 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 193439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-08-07 03:39:15 ± 0.272
Latitude 37.9900 ± 0.0198
Longitude 14.8730 ± 0.0190
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 193439

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) 2763.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00510
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 193439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:01:45

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 193439
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
--.SA1.Z. 1993-08-07T03:39:35.36 10.0 undecidable manual SG 356 0.5661 -0.29 0.6
--.TU9.Z. 1993-08-07T03:39:33.60 10.0 undecidable manual SG 267 0.5106 -0.92 0.2
--.TU9.Z. 1993-08-07T03:39:27.20 10.0 undecidable manual PG 267 0.5106 1.1 0.3
--.SA1.Z. 1993-08-07T03:39:27.18 10.0 undecidable manual PG 356 0.5661 0.12 1.7
--.PL9.Z. 1993-08-07T03:39:27.16 10.0 undecidable manual PG 270 0.5661 0.08 1.7
--.ATN.Z. 1993-08-07T03:39:25.59 10.0 undecidable manual PG 69 0.4884 0 1.8
--.MNO.Z. 1993-08-07T03:39:22.37 10.0 undecidable manual SG 247 0.1443 0.27 0.7
--.MNO.Z. 1993-08-07T03:39:18.69 10.0 undecidable manual PG 247 0.1443 -0.55 1
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