Earthquake with magnitude of ML 2.0 on date 18-04-2009 and time 19:09:30 (Italy) in region Isole Eolie (Messina)

A magnitude ML 2.0 earthquake occured in region: Isole Eolie (Messina), on

  • 18-04-2009 17:09:30 (UTC)
  • 18-04-2009 19:09:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5850, 14.9550 at 31 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
Santa Marina Salina ME 8 903 903
Malfa ME 10 982 1885
Leni ME 12 696 2581
Lipari ME 13 12753 15334

Municipalities with at least 50000 inhabitants

An earthquake occurred to
68 Km NW of Messina (238439 inhabitants)
80 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 2.3
ML 2.0
2009-04-18
17:09:30
38.585 14.955 31 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 818389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-18 17:09:30 ± 0.5
Latitude 38.5850 ± 0.0225
Longitude 14.9550 ± 0.0368
Depth (km) 31 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 818389

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3263
Semi-minor axis of confidence ellipse (meter) 2368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
Circular confidence region, given by single value of horizontal uncertainty (meter) 4060.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 304
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.42363
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 818389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:30:40

Md:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 818389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 15:30:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TIP.HHN. 2009-04-18T17:10:17.15 10.0 undecidable manual Pg 0 0 0
IV.SERS.HHN. 2009-04-18T17:10:13.49 0.3 undecidable manual Sg 71 158.0196 0.397 61
IV.CARO.HHN. 2009-04-18T17:10:10.77 0.3 undecidable manual Sg 0 0 0
IV.GRI.EHZ. 2009-04-18T17:10:09.18 10.0 undecidable manual Pg 0 0 0
IV.PLAC.HHE. 2009-04-18T17:10:06.64 0.3 undecidable manual Sg 96 129.5703 -0.334 67
IV.SOI.EHZ. 2009-04-18T17:10:03.15 0.3 undecidable manual Sg 120 111.1998 0.14 73
IV.ALJA.HHZ. 2009-04-18T17:09:58.81 10.0 undecidable manual Pg 0 0 0
IV.ESLN.BHZ. 2009-04-18T17:09:56.74 10.0 undecidable manual Pg 0 0 0
IV.SERS.HHN. 2009-04-18T17:09:55.18 0.1 undecidable manual Pg 71 158.0196 0.019 88
IV.CARO.HHN. 2009-04-18T17:09:53.28 0.3 undecidable manual Pg 0 0 0
IV.PLAC.HHE. 2009-04-18T17:09:51.22 0.1 undecidable manual Pg 96 129.5703 -0.41 89
IV.MPAZ.BHE. 2009-04-18T17:09:50.19 0.3 undecidable manual Pg 127 115.2957 0.342 69
IV.SOI.EHZ. 2009-04-18T17:09:49.33 0.1 undecidable manual Pg 120 111.1998 -0.011 100
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
Waveforms Seismic signals in miniseed + resp format Download