Earthquake with magnitude of Md 2.2 on date 11-08-1997 and time 21:09:59 (Italy) in region 2 km E Sant'Onofrio (VV)

A magnitude Md 2.2 earthquake occured in region: 2 km E Sant'Onofrio (VV), on

  • 11-08-1997 19:09:59 (UTC)
  • 11-08-1997 21:09:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7010, 16.1660 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
Sant'Onofrio VV 2 3067 3067
Maierato VV 3 2188 5255
Pizzo VV 4 9278 14533
Stefanaconi VV 4 2494 17027
Filogaso VV 6 1417 18444
Vibo Valentia VV 6 33941 52385
San Gregorio d'Ippona VV 8 2527 54912
Vazzano VV 10 1067 55979
Francica VV 11 1651 57630
Monterosso Calabro VV 11 1729 59359
Capistrano VV 11 1042 60401
San Costantino Calabro VV 11 2239 62640
Pizzoni VV 11 1143 63783
San Nicola da Crissa VV 11 1335 65118
Briatico VV 12 4053 69171
Cessaniti VV 12 3290 72461
Ionadi VV 13 4238 76699
Francavilla Angitola VV 13 1939 78638
Vallelonga VV 13 706 79344
Soriano Calabro VV 13 2421 81765
Sorianello VV 13 1176 82941
Gerocarne VV 13 2248 85189
Polia VV 14 1023 86212
Mileto VV 14 6763 92975
Filadelfia VV 15 5384 98359
Filandari VV 15 1853 100212
Zambrone VV 15 1775 101987
Dasà VV 15 1208 103195
Arena VV 16 1456 104651
Acquaro VV 16 2484 107135
Zungri VV 17 1976 109111
Simbario VV 18 966 110077
Rombiolo VV 18 4569 114646
Spadola VV 18 825 115471
Torre di Ruggiero CZ 19 1033 116504
Brognaturo VV 19 735 117239
Dinami VV 19 2168 119407
San Calogero VV 20 4315 123722
Curinga CZ 20 6779 130501
Serra San Bruno VV 20 6734 137235
San Pietro di Caridà RC 20 1195 138430

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Lamezia Terme (70714 inhabitants)
44 Km SW of Catanzaro (90612 inhabitants)
66 Km S of Cosenza (67546 inhabitants)
77 Km NE of Messina (238439 inhabitants)
80 Km NE of Reggio di Calabria (183035 inhabitants)
93 Km W of Crotone (62178 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
ML-VAX 2.1
1997-08-11
19:09:59
38.701 16.166 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 275289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-08-11 19:09:59 ± 0.403
Latitude 38.7010 ± 0.0356
Longitude 16.1660 ± 0.0504
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 275289

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) 5903.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00704
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 275289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:20:06

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 275289
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
--.MO9.Z. 1997-08-11T19:10:27.86 10.0 undecidable manual SG 208 0.777 1.16 0.1
--.ATN.Z. 1997-08-11T19:10:24.66 10.0 undecidable manual SG 225 0.7659 -1.48 0.1
--.SOI.Z. 1997-08-11T19:10:21.97 10.0 undecidable manual SG 188 0.6327 0.31 0.7
--.SC9.Z. 1997-08-11T19:10:20.44 10.0 undecidable manual SG 218 0.555 0.91 0.3
--.ATN.Z. 1997-08-11T19:10:15.44 10.0 undecidable manual PG 225 0.7659 0.59 1.2
--.MO9.Z. 1997-08-11T19:10:14.80 10.0 undecidable manual PG 208 0.777 -0.38 1.5
--.SOI.Z. 1997-08-11T19:10:11.60 10.0 undecidable manual PG 188 0.6327 -0.66 1.2
--.SC9.Z. 1997-08-11T19:10:10.84 10.0 undecidable manual PG 218 0.555 -0.18 1.9
--.GRI.Z. 1997-08-11T19:10:05.00 10.0 undecidable manual PG 58 0.222 0.17 1.9
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