Earthquake with magnitude of Md 2.4 on date 09-02-1997 and time 09:56:33 (UTC) in region Isole Eolie (Messina)

A magnitude Md 2.4 earthquake occured in region: Isole Eolie (Messina), on

  • 09-02-1997 09:56:33 (UTC)
  • 09-02-1997 10:56:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.5980, 14.7020 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
Leni ME 12 696 696
Malfa ME 12 982 1678
Santa Marina Salina ME 15 903 2581

Municipalities with at least 50000 inhabitants

An earthquake occurred to
87 Km NW of Messina (238439 inhabitants)
98 Km NW of Reggio di Calabria (183035 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 2.4
ML-VAX 2.1
1997-02-09
09:56:33
38.598 14.702 20 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 260829
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-02-09 09:56:33 ± 0.357
Latitude 38.5980 ± 0.0373
Longitude 14.7020 ± 0.0273
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 260829

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) 4783.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 247
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.01060
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 260829
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:06:44

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 260829
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
--.CS9.Z. 1997-02-09T09:57:02.50 10.0 undecidable manual SN 217 0.8214 0.29 0.4
--.GIB.Z. 1997-02-09T09:57:01.59 10.0 undecidable manual SN 221 0.7992 0.27 0.4
--.MNO.Z. 1997-02-09T09:56:57.81 10.0 undecidable manual SG 180 0.6549 0.65 0.1
--.SOI.Z. 1997-02-09T09:56:54.76 10.0 undecidable manual PN 115 1.1766 -0.04 1.3
--.GIB.Z. 1997-02-09T09:56:49.47 10.0 undecidable manual PN 221 0.7992 -0.15 1.5
--.CS9.Z. 1997-02-09T09:56:49.85 10.0 undecidable manual PN 217 0.8214 -0.03 1.6
--.MNO.Z. 1997-02-09T09:56:46.48 10.0 undecidable manual PG 180 0.6549 -0.74 0.2
--.SA1.Z. 1997-02-09T09:56:40.80 10.0 undecidable manual SG 109 0.111 -0.29 0.5
--.SA1.Z. 1997-02-09T09:56:38.11 10.0 negative manual PG 109 0.111 0.16 3
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