Earthquake with magnitude of Md 2.3 on date 21-07-2014 and time 09:47:17 (Italy) in region Tirreno Meridionale (MARE)

A magnitude Md 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 21-07-2014 07:47:17 (UTC)
  • 21-07-2014 09:47:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1220, 12.1220 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
36 Km W of Trapani (68759 inhabitants)
45 Km NW of Marsala (83194 inhabitants)
66 Km NW of Mazara del Vallo (51718 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 2014-07-21
07:47:17
38.1222 12.1225 10 2015-09-21
09:37:39
Bollettino Sismico Italiano INGV 18163111
Reviewed
Rev100
Md 2.3
ML 2.4
2014-07-21
07:47:16
38.1488 12.1218 10 2014-10-21
12:08:56
Sala Sismica INGV-Roma 7424561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-07-21 07:47:17 ± 0.7
Latitude 38.1222 ± 0.0369
Longitude 12.1225 ± 0.0537
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18163111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5540
Semi-minor axis of confidence ellipse (meter) 2810
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 5540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 290
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.55128
Epicentral distance of station farthest from the epicenter (degree) 1.59540
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 7424561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-07-21 08:05:31

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude Md
Reference to an origin 18163111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-02 14:46:05

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 3
Type of magnitude Md
Reference to an origin 7424561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-07-21 08:05:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CORL.HHE. 2014-07-21T07:47:49.31 0.6 undecidable manual S 103 106.3158 50 1.13 45
IV.PETRA.HHE. 2014-07-21T07:47:46.95 0.3 undecidable manual P 100 177.0894 38 1.02 57
IV.GIB.HHE. 2014-07-21T07:47:44.59 0.6 undecidable manual P 94 166.9107 50 0.22 53
IV.MMGO.SHZ. 2014-07-21T07:47:44.50 0.3 undecidable manual S 124 90.5427 50 0.53 90
IV.CRJA.SHZ. 2014-07-21T07:47:42.00 0.3 undecidable manual S 114 84.9483 50 -0.47 93
IV.MFNL.SHZ. 2014-07-21T07:47:42.30 1.0 undecidable manual S 117 79.0653 50 1.4 20
IV.SOLUN.HHE. 2014-07-21T07:47:37.62 0.6 undecidable manual P 91 123.0879 50 -0.01 63
IV.USI.HHE. 2014-07-21T07:47:36.38 1.0 undecidable manual P 54 112.4985 50 0.39 30
IV.MTGR.SHZ. 2014-07-21T07:47:34.83 0.6 undecidable manual S 114 61.1943 50 -1.3 45
IV.MPG.SHE. 2014-07-21T07:47:34.97 0.3 undecidable manual P 87 108.0141 50 -0.33 91
IV.CORL.HHE. 2014-07-21T07:47:34.64 0.3 undecidable manual P 103 106.3158 50 -0.39 91
IV.MMGO.SHZ. 2014-07-21T07:47:32.96 0.3 undecidable manual P 124 90.5427 50 0.35 94
IV.CRJA.SHZ. 2014-07-21T07:47:31.62 0.3 undecidable manual P 114 84.9483 50 -0.12 100
IV.MFNL.SHZ. 2014-07-21T07:47:30.84 0.6 undecidable manual P 117 79.0653 50 0.01 69
IV.MTGR.SHZ. 2014-07-21T07:47:27.39 0.3 undecidable manual P 114 61.1943 50 -0.69 90
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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