Earthquake with magnitude of ML 2.2 on date 22-08-2013 and time 10:23:36 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 22-08-2013 08:23:36 (UTC)
  • 22-08-2013 10:23:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7380, 15.5430 at 6 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
60 Km N of Messina (238439 inhabitants)
70 Km N of Reggio di Calabria (183035 inhabitants)
72 Km W of Lamezia Terme (70714 inhabitants)
87 Km SW of Cosenza (67546 inhabitants)
93 Km W of Catanzaro (90612 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
ML 2.2 2013-08-22
08:23:36
38.7382 15.5433 6 2015-01-20
11:28:44
Bollettino Sismico Italiano INGV 8421061
Reviewed
Rev100
ML 2.1 2013-08-22
08:23:36
38.7277 15.5133 3 2014-10-21
12:08:56
Sala Sismica INGV-Roma 4317151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-08-22 08:23:36 ± 0.08
Latitude 38.7382 ± 0.0045
Longitude 15.5433 ± 0.0046
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8421061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 320
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.26080
Epicentral distance of station farthest from the epicenter (degree) 1.04231
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 8421061
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:09:38

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 4317151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-08-22 08:32:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHZ. 2013-08-22T08:23:58.50 0.3 undecidable manual S 194 67.6767 50 -0.19 68
IV.ATN.BHZ. 2013-08-22T08:23:57.90 0.3 undecidable manual S 186 64.5909 50 0.04 71
IV.IVPL.HHZ. 2013-08-22T08:23:57.60 0.6 undecidable manual S 231 63.1923 50 0.09 47
IV.MSCL.HHZ. 2013-08-22T08:23:56.60 0.3 undecidable manual S 159 60.0954 50 -0.07 71
MN.TIP.HHZ. 2013-08-22T08:23:56.56 0.3 undecidable manual P 65 115.6953 50 -0.33 60
IV.MSRU.HHZ. 2013-08-22T08:23:54.90 0.6 undecidable manual S 183 52.7028 50 0.21 47
IV.CET2.HHZ. 2013-08-22T08:23:53.89 0.1 undecidable manual P 22 94.5387 50 0.25 86
IV.NOV.HHZ. 2013-08-22T08:23:52.72 0.6 undecidable manual P 204 86.3469 50 0.34 43
IV.SOI.EHZ. 2013-08-22T08:23:52.44 0.6 positive manual P 149 86.0472 50 0.11 45
IV.CAR1.HHZ. 2013-08-22T08:23:51.33 0.6 negative manual P 45 81.1521 50 -0.24 44
IV.GMB.BHZ. 2013-08-22T08:23:49.81 0.1 undecidable manual P 158 67.8765 50 0.28 90
IV.IVPL.HHZ. 2013-08-22T08:23:49.02 0.1 undecidable manual P 231 63.1923 50 0.21 92
IV.MPNC.HHZ. 2013-08-22T08:23:49.46 0.1 undecidable manual P 194 67.6767 50 -0.04 94
IV.ATN.BHZ. 2013-08-22T08:23:48.72 0.1 undecidable manual P 186 64.5909 50 -0.29 90
IV.JOPP.HHZ. 2013-08-22T08:23:48.60 0.6 undecidable manual S 116 33.0447 99 0.05 50
IV.MSCL.HHZ. 2013-08-22T08:23:48.28 0.1 undecidable manual P 159 60.0954 50 -0.05 95
IV.STR4.BHE. 2013-08-22T08:23:46.97 0.6 undecidable manual S 278 28.9488 101 -0.2 49
IV.MSRU.HHZ. 2013-08-22T08:23:46.98 0.1 undecidable manual P 183 52.7028 50 -0.21 93
IV.JOPP.HHZ. 2013-08-22T08:23:43.69 0.1 undecidable manual P 116 33.0447 99 0.05 100
IV.STR4.BHE. 2013-08-22T08:23:42.88 0.3 undecidable manual P 278 28.9488 101 0.04 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATN.BHN. ML:2.2 0.000279 0.28 AML other m 2013-08-22T08:23:58.29
IV.ATN.BHE. ML:2.1 0.0002455 0.8 AML other m 2013-08-22T08:23:59.01
IV.CAR1.HHN. ML:1.9 0.0001064 0.34 AML other m 2013-08-22T08:24:03.75
IV.CAR1.HHE. ML:1.9 0.0001075 0.94 AML other m 2013-08-22T08:24:04.69
IV.GMB.BHE. ML:2.7 0.000883 1.2 AML other m 2013-08-22T08:24:00.64
IV.GMB.BHN. ML:2.5 0.0005034999999999999 0.16 AML other m 2013-08-22T08:24:00.90
IV.JOPP.HHN. ML:1.7 0.00022250000000000001 0.1 AML other m 2013-08-22T08:23:51.46
IV.MPNC.HHE. ML:2.3 0.0003635 0.26 AML other m 2013-08-22T08:24:00.26
IV.MPNC.HHN. ML:2.2 0.00029800000000000003 0.5 AML other m 2013-08-22T08:24:00.47
IV.MSCL.HHE. ML:2.3 0.000427 0.48 AML other m 2013-08-22T08:23:58.47
IV.MSCL.HHN. ML:2.3 0.0004525 1.58 AML other m 2013-08-22T08:23:58.28
IV.MSRU.HHN. ML:2.4 0.0005489999999999999 0.36 AML other m 2013-08-22T08:23:55.28
IV.MSRU.HHE. ML:2.4 0.0006065 0.64 AML other m 2013-08-22T08:23:56.12
IV.PLAC.HHN. ML:1.7 0.00006520000000000001 1.16 AML other m 2013-08-22T08:24:04.15
IV.PLAC.HHE. ML:1.7 0.000060700000000000005 0.6 AML other m 2013-08-22T08:24:04.14
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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