Earthquake with magnitude of ML 2.2 on date 23-04-2007 and time 11:55:09 (Italy) in region Costa Siciliana nord orientale (Messina)

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

  • 23-04-2007 09:55:09 (UTC)
  • 23-04-2007 11:55:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3650, 15.3940 at 120 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 15 8584 8584
Spadafora ME 16 5021 13605
Venetico ME 16 3911 17516
Valdina ME 19 1355 18871
Saponara ME 19 3988 22859
Torregrotta ME 20 7431 30290

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Messina (238439 inhabitants)
36 Km NW of Reggio di Calabria (183035 inhabitants)
86 Km N of Acireale (52622 inhabitants)
99 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
ML 2.2
2007-04-23
09:55:09
38.365 15.394 120 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 625919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-04-23 09:55:09 ± 0.53
Latitude 38.3650 ± 0.0477
Longitude 15.3940 ± 0.0321
Depth (km) 120 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 625919

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5320
Semi-minor axis of confidence ellipse (meter) 311
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 199
Circular confidence region, given by single value of horizontal uncertainty (meter) 5994.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
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) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.13490
Epicentral distance of station farthest from the epicenter (degree) 0.82198
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 625919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:55:21

Md:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 625919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:55:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHN. 2007-04-23T09:55:46.19 0.3 undecidable manual Sg 84 91.242 0.555 60
IV.IVPL.BHZ. 2007-04-23T09:55:40.25 0.3 undecidable manual Sg 272 36.0417 0.549 67
IV.JOPP.HHZ. 2007-04-23T09:55:40.58 0.3 undecidable manual Sg 58 50.4162 -0.259 70
IV.MSRU.BHZ. 2007-04-23T09:55:38.29 0.3 undecidable manual Sg 139 14.9739 -0.387 72
IV.PLAC.HHN. 2007-04-23T09:55:30.71 0.1 negative manual Pg 84 91.242 0.17 88
IV.SOI.SHZ. 2007-04-23T09:55:28.76 0.1 undecidable manual Pg 119 65.9895 0.071 94
IV.IVPL.BHZ. 2007-04-23T09:55:27.15 0.1 undecidable manual Pg 272 36.0417 0.035 100
IV.JOPP.HHZ. 2007-04-23T09:55:27.59 0.1 undecidable manual Pg 58 50.4162 -0.18 95
IV.MSRU.BHZ. 2007-04-23T09:55:26.18 0.1 undecidable manual Pg 139 14.9739 -0.342 97
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