Earthquake with magnitude of Md 2.1 on date 07-08-1997 and time 17:25:00 (UTC) in region 2 km E Patti (ME)

A magnitude Md 2.1 earthquake occured in region: 2 km E Patti (ME), on

  • 07-08-1997 17:25:00 (UTC)
  • 07-08-1997 19:25:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1360, 14.9870 at 20 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
Patti ME 2 13431 13431
Montagnareale ME 3 1615 15046
Librizzi ME 5 1660 16706
Oliveri ME 7 2181 18887
Falcone ME 9 2808 21695
Gioiosa Marea ME 9 7074 28769
Sant'Angelo di Brolo ME 9 3090 31859
San Piero Patti ME 10 2915 34774
Basicò ME 11 612 35386
Raccuja ME 11 1041 36427
Piraino ME 11 3962 40389
Montalbano Elicona ME 13 2287 42676
Furnari ME 13 3784 46460
Sinagra ME 13 2705 49165
Ucria ME 14 1058 50223
Tripi ME 14 873 51096
Mazzarrà Sant'Andrea ME 14 1531 52627
Brolo ME 14 5783 58410
Ficarra ME 14 1469 59879
Terme Vigliatore ME 15 7395 67274
Rodì Milici ME 16 2056 69330
Castell'Umberto ME 17 3128 72458
Naso ME 17 3813 76271
Floresta ME 18 485 76756
Tortorici ME 18 6435 83191
Novara di Sicilia ME 18 1337 84528
San Salvatore di Fitalia ME 20 1319 85847

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km W of Messina (238439 inhabitants)
58 Km W of Reggio di Calabria (183035 inhabitants)
60 Km N of Acireale (52622 inhabitants)
71 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 2.1 1997-08-07
17:25:00
38.136 14.987 20 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 274809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-08-07 17:25:00 ± 1.202
Latitude 38.1360 ± 0.0768
Longitude 14.9870 ± 0.0632
Depth (km) 20 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 274809

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) 10177.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 287
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.00923
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 274809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:19:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.GIB.Z. 1997-08-07T17:25:27.58 10.0 undecidable manual SG 259 0.7659 -0.16 0.8
--.CS9.Z. 1997-08-07T17:25:26.22 10.0 undecidable manual SG 254 0.7437 -0.81 0.4
--.MEU.Z. 1997-08-07T17:25:20.50 10.0 undecidable manual PN 186 1.0212 0.01 1.7
--.CS9.Z. 1997-08-07T17:25:16.55 10.0 undecidable manual PG 254 0.7437 0.55 1.5
--.GIB.Z. 1997-08-07T17:25:16.83 10.0 undecidable manual PG 259 0.7659 0.42 1.7
--.MNO.Z. 1997-08-07T17:25:14.54 10.0 undecidable manual SG 228 0.3108 1.21 0.2
--.MNO.Z. 1997-08-07T17:25:07.17 10.0 undecidable manual PG 228 0.3108 -0.92 0.8
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