Earthquake with magnitude of ML 2.0 on date 21-07-2010 and time 17:46:55 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.0 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 21-07-2010 15:46:55 (UTC)
  • 21-07-2010 17:46:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7000, 13.6120 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
68 Km NE of Palermo (674435 inhabitants)
70 Km N of Bagheria (55387 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
2010-07-21
15:46:55
38.7 13.612 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1086389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-07-21 15:46:55 ± 0.42
Latitude 38.7000 ± 0.0270
Longitude 13.6120 ± 0.0242
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1086389

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3368
Semi-minor axis of confidence ellipse (meter) 1421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 3662.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.75
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.14484
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1086389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:59:15

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1086389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:59:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHE. 2010-07-21T15:47:40.74 10.0 undecidable manual Pg 0 0 0
IV.STR4.BHN. 2010-07-21T15:47:28.62 10.0 undecidable manual Pg 0 0 0
IV.CRAC.EHE. 2010-07-21T15:47:27.28 10.0 undecidable manual Pg 0 0 0
IV.ALJA.HHZ. 2010-07-21T15:47:27.22 0.3 undecidable manual Sg 173 106.2159 0.802 72
IV.STR3.BHE. 2010-07-21T15:47:27.15 10.0 undecidable manual Pg 0 0 0
IV.GIB.HHN. 2010-07-21T15:47:22.26 0.6 undecidable manual Sg 155 86.5467 1.084 44
IV.PLLN.SHZ. 2010-07-21T15:47:21.54 0.3 undecidable manual Sg 149 91.0422 -0.832 74
IV.MNO.SHE. 2010-07-21T15:47:15.88 0.6 undecidable manual Pg 132 127.0728 -0.635 49
IV.ALJA.HHZ. 2010-07-21T15:47:13.28 0.3 undecidable manual Pg 173 106.2159 -0.011 90
IV.CORL.HHE. 2010-07-21T15:47:11.25 0.3 undecidable manual Pg 197 93.3399 -0.055 92
IV.IFIL.EHZ. 2010-07-21T15:47:11.00 10.0 undecidable manual Pg 0 0 0
IV.PLLN.SHZ. 2010-07-21T15:47:10.44 0.3 undecidable manual Pg 149 91.0422 -0.515 83
IV.GIB.HHN. 2010-07-21T15:47:09.74 0.3 undecidable manual Pg 155 86.5467 -0.529 84
IV.IACL.HHE. 2010-07-21T15:47:08.23 0.3 undecidable manual Pg 106 66.9774 0.983 72
IV.CSLB.SHZ. 2010-07-21T15:47:08.22 10.0 undecidable manual Pg 0 0 0
BA.PZUN.HHN. 2010-07-21T15:47:08.90 10.0 undecidable manual Pg 0 0 0
IV.USI.HHZ. 2010-07-21T15:47:07.92 0.3 undecidable manual Sg 271 37.5291 -0.151 100
IV.ESLN.HHE. 2010-07-21T15:47:06.07 10.0 undecidable manual Pg 0 0 0
IV.USI.HHZ. 2010-07-21T15:47:02.94 0.3 undecidable manual Pg 271 37.5291 0.24 98
IV.MCEL.HHZ. 2010-07-21T15:46:38.88 10.0 undecidable manual Pg 0 0 0
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
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