Earthquake with magnitude of Md 2.3 on date 02-08-1997 and time 22:59:21 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude Md 2.3 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 02-08-1997 20:59:21 (UTC)
  • 02-08-1997 22:59:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2260, 15.0510 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
Oliveri ME 11 2181 2181
Patti ME 12 13431 15612
Falcone ME 12 2808 18420
Montagnareale ME 14 1615 20035
Terme Vigliatore ME 14 7395 27430
Furnari ME 15 3784 31214
Gioiosa Marea ME 15 7074 38288
Librizzi ME 16 1660 39948
Rodì Milici ME 16 2056 42004
Mazzarrà Sant'Andrea ME 17 1531 43535
Milazzo ME 17 31646 75181
Barcellona Pozzo di Gotto ME 17 41583 116764
Piraino ME 18 3962 120726
Basicò ME 18 612 121338
Merì ME 18 2338 123676
Sant'Angelo di Brolo ME 19 3090 126766
Castroreale ME 20 2504 129270
Tripi ME 20 873 130143

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Messina (238439 inhabitants)
53 Km W of Reggio di Calabria (183035 inhabitants)
69 Km N of Acireale (52622 inhabitants)
80 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 2.3
ML-VAX 1.8
1997-08-02
20:59:21
38.226 15.051 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 274429
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-08-02 20:59:21 ± 0.327
Latitude 38.2260 ± 0.0283
Longitude 15.0510 ± 0.0174
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 274429

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) 3491.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00737
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 274429
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:19:19

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 274429
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
--.SOI.Z. 1997-08-02T20:59:48.19 10.0 undecidable manual SG 100 0.7992 -0.68 0.5
--.CS9.Z. 1997-08-02T20:59:48.61 10.0 undecidable manual SG 249 0.8214 -0.9 0.4
--.MO9.Z. 1997-08-02T20:59:41.28 10.0 undecidable manual SG 113 0.5439 0.45 0.7
--.CS9.Z. 1997-08-02T20:59:37.86 10.0 undecidable manual PG 249 0.8214 0.33 1.5
--.SA1.Z. 1997-08-02T20:59:37.10 10.0 undecidable manual SG 332 0.3663 1.8 0.1
--.MNO.Z. 1997-08-02T20:59:36.16 10.0 undecidable manual SG 223 0.3996 0.05 0.8
--.SOI.Z. 1997-08-02T20:59:35.52 10.0 undecidable manual PG 100 0.7992 -1.64 0.3
--.ATN.Z. 1997-08-02T20:59:34.24 10.0 undecidable manual SG 101 0.3219 0.56 0.7
--.MO9.Z. 1997-08-02T20:59:32.70 10.0 undecidable manual PG 113 0.5439 -0.45 1.8
--.MNO.Z. 1997-08-02T20:59:30.14 10.0 undecidable manual PG 223 0.3996 0.34 1.9
--.ATN.Z. 1997-08-02T20:59:29.36 10.0 negative manual PG 101 0.3219 0.97 2.3
--.SA1.Z. 1997-08-02T20:59:28.23 10.0 undecidable manual PG 332 0.3663 -1.05 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