Earthquake with magnitude of Md 2.2 on date 16-05-1997 and time 03:37:57 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude Md 2.2 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 16-05-1997 03:37:57 (UTC)
  • 16-05-1997 05:37:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.36, 15.44 at 7 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
Villafranca Tirrena ME 14 8584 8584
Spadafora ME 16 5021 13605
Venetico ME 17 3911 17516
Saponara ME 18 3988 21504
Valdina ME 19 1355 22859
Torregrotta ME 20 7431 30290

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Messina (238439 inhabitants)
33 Km NW of Reggio di Calabria (183035 inhabitants)
86 Km N of Acireale (52622 inhabitants)
100 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
Rev 1000 Md 2.2 1997-05-16
03:37:57
38.36 15.44 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 268869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-05-16 03:37:57 ± 0.648
Latitude 38.36 ± 0.04
Longitude 15.44 ± 0.04
Depth (km) 7 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 268869

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) 5559.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00502
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 268869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:14:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SOI.Z. 1997-05-16T03:38:17.46 10.0 undecidable manual SG 120 0.005 -0.6 0.4
--.SA1.Z. 1997-05-16T03:38:17.54 10.0 undecidable manual SG 293 0.0046 1.09 0.1
--.MO9.Z. 1997-05-16T03:38:13.58 10.0 undecidable manual SG 150 0.0036 0.44 0.6
--.SOI.Z. 1997-05-16T03:38:10.80 10.0 undecidable manual PG 120 0.005 0.74 0.7
--.SA1.Z. 1997-05-16T03:38:07.79 10.0 undecidable manual PG 293 0.0046 -0.62 0.9
--.MO9.Z. 1997-05-16T03:38:05.83 10.0 undecidable manual PG 150 0.0036 -0.67 0.9
--.ATN.Z. 1997-05-16T03:38:05.55 10.0 undecidable manual SG 174 0.0018 0.01 0.7
--.ATN.Z. 1997-05-16T03:38:02.19 10.0 positive manual PG 174 0.0018 0.08 3.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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