Earthquake with magnitude of ML 2.1 on date 22-07-2017 and time 21:36:36 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 22-07-2017 19:36:36 (UTC)
  • 22-07-2017 21:36:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4400, 15.4410 at 117 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
29 Km NW of Messina (238439 inhabitants)
41 Km NW of Reggio di Calabria (183035 inhabitants)
95 Km N of Acireale (52622 inhabitants)
97 Km SW of Lamezia Terme (70714 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 2.1 2017-07-22
19:36:36
38.4402 15.4408 117 2018-07-06
12:40:17
Bollettino Sismico Italiano INGV 52033971
Reviewed
Rev100
ML 2.1 2017-07-22
19:36:35
38.461 15.4472 120 2017-07-22
19:50:27
Sala Sismica INGV-Roma 48206631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-07-22 19:36:36 ± 0.26
Latitude 38.4402 ± 0.0180
Longitude 15.4408 ± 0.0184
Depth (km) 117 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52033971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1985
Semi-minor axis of confidence ellipse (meter) 1254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 152
Circular confidence region, given by single value of horizontal uncertainty (meter) 1980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.27074
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 48206631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-07-22 19:50:27

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 52033971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-11-21 16:25:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOCI.HHZ. 2017-07-22T19:37:17.40 3.0 negative manual Pn -2.33 0
IV.AMUR.HHZ. 2017-07-22T19:37:16.85 3.0 undecidable manual Pn -2.36 0
IV.CAR1.HHZ. 2017-07-22T19:37:13.20 1.0 undecidable manual S 36 112.0989 132 -1.44 12
IV.PLAC.HHZ. 2017-07-22T19:37:11.40 0.3 undecidable manual S 89 86.6466 140 0.55 63
IV.MUCR.HHZ. 2017-07-22T19:37:08.60 0.3 undecidable manual S 228 66.1893 148 0.35 67
IV.SOI.EHZ. 2017-07-22T19:37:08.00 0.3 undecidable manual S 127 67.1772 147 -0.37 65
IV.AIO.HHZ. 2017-07-22T19:37:08.00 0.6 undecidable manual S 199 55.1004 153 0.94 38
IV.MTTG.HHZ. 2017-07-22T19:37:07.20 0.3 undecidable manual S 155 53.502 153 0.29 71
IV.JOPP.HHZ. 2017-07-22T19:37:06.00 0.3 undecidable manual S 64 42.8238 158 0.04 74
IV.GMB.BHZ. 2017-07-22T19:37:06.85 0.3 undecidable manual S 0.53 68
IV.MSCL.HHZ. 2017-07-22T19:37:05.40 0.3 undecidable manual S 127 38.1285 160 -0.21 71
IV.MILZ.HHZ. 2017-07-22T19:37:04.80 0.3 undecidable manual S 224 26.1516 166 -0.06 75
IV.MSRU.HHZ. 2017-07-22T19:37:04.10 0.3 undecidable manual S 163 20.3685 169 -0.5 68
IV.CELI.HHZ. 2017-07-22T19:37:01.67 0.6 undecidable manual P 40 141.0477 125 0.49 36
IV.CEL.HHZ. 2017-07-22T19:37:01.66 3.0 undecidable manual P 0
IV.CET2.HHZ. 2017-07-22T19:37:00.41 0.3 undecidable manual P 20 128.6712 128 0.46 56
IV.CAR1.HHZ. 2017-07-22T19:36:58.29 0.3 undecidable manual P 36 112.0989 132 -0.09 66
IV.HLNI.HHZ. 2017-07-22T19:36:58.48 1.0 undecidable manual P 203 130.9689 128 -1.7 11
IV.PLAC.HHZ. 2017-07-22T19:36:56.26 0.1 positive manual P 89 86.6466 140 0.07 90
IV.SOI.EHZ. 2017-07-22T19:36:54.43 0.1 positive manual P 127 67.1772 147 -0.32 90
IV.AIO.HHZ. 2017-07-22T19:36:54.23 0.1 positive manual P 199 55.1004 153 0.22 92
IV.MUCR.HHZ. 2017-07-22T19:36:54.63 0.1 positive manual P 228 66.1893 148 -0.06 95
IV.MTTG.HHZ. 2017-07-22T19:36:53.86 0.1 positive manual P 155 53.502 153 -0.05 98
IV.IVPL.HHN. 2017-07-22T19:36:53.35 0.1 positive manual P 260 40.626 159 0.08 97
IV.JOPP.HHZ. 2017-07-22T19:36:53.32 0.1 undecidable manual P 64 42.8238 158 -0.04 100
IV.GMB.BHZ. 2017-07-22T19:36:53.83 0.1 undecidable manual P 0.46 93
IV.MSRU.HHZ. 2017-07-22T19:36:52.13 0.1 positive manual P 163 20.3685 169 -0.44 96
IV.MILZ.HHZ. 2017-07-22T19:36:52.43 0.1 undecidable manual P 224 26.1516 166 -0.3 99
IV.MSCL.HHZ. 2017-07-22T19:36:52.73 0.1 undecidable manual P 127 38.1285 160 -0.43 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSRU.HHN. ML:2.2 0.0001304854 0.14 AML other m 2017-07-22T19:37:05.40
IV.MSRU.HHE. ML:2.3 0.00013947175000000002 0.2 AML other m 2017-07-22T19:37:05.80
IV.MILZ.HHN. ML:2.2 0.00010990313 1.72 AML other m 2017-07-22T19:37:06.87
IV.MSCL.HHN. ML:2.2 0.00011882062000000001 0.12 AML other m 2017-07-22T19:37:06.73
IV.MILZ.HHE. ML:2.1 0.00009382566000000001 1.5 AML other m 2017-07-22T19:37:07.90
IV.JOPP.HHN. ML:2.2 0.000102425725 0.24 AML other m 2017-07-22T19:37:07.66
IV.MSCL.HHE. ML:2.4 0.00017537675 0.14 AML other m 2017-07-22T19:37:07.81
IV.JOPP.HHE. ML:2.1 0.0000917834 0.24 AML other m 2017-07-22T19:37:07.79
IV.CELI.HNN. ML:2.1 0.000043686854999999994 1.06 AML other m 2017-07-22T19:37:07.92
IV.GMB.BHN. ML:2.7 0.00038365255 0.36 AML other m 2017-07-22T19:37:08.54
IV.GMB.BHE. ML:2.7 0.00037407535000000004 0.28 AML other m 2017-07-22T19:37:08.76
IV.AIO.HHE. ML:1.9 0.000051793149999999994 0.22 AML other m 2017-07-22T19:37:08.67
IV.SOI.EHN. ML:1.8 0.000033896289999999995 0.28 AML other m 2017-07-22T19:37:09.47
IV.AIO.HHN. ML:1.7 0.000032909334999999996 0.2 AML other m 2017-07-22T19:37:09.81
IV.MTTG.HHN. ML:2.3 0.0001237253 0.58 AML other m 2017-07-22T19:37:10.12
IV.MTTG.HHE. ML:2.0 0.00007749152 1.58 AML other m 2017-07-22T19:37:11.91
IV.SOI.EHE. ML:1.9 0.000044259949999999996 1.66 AML other m 2017-07-22T19:37:11.16
IV.PLAC.HHN. ML:2.0 0.00005936544000000001 0.36 AML other m 2017-07-22T19:37:11.68
IV.PLAC.HHE. ML:2.2 0.00008241097 0.32 AML other m 2017-07-22T19:37:12.45
IV.MUCR.HHE. ML:1.8 0.000036405850000000007 0.42 AML other m 2017-07-22T19:37:12.45
IV.MUCR.HHN. ML:1.6 0.000027498935 1.5 AML other m 2017-07-22T19:37:14.19
IV.CAR1.HHE. ML:2.0 0.000037876295 0.32 AML other m 2017-07-22T19:37:17.83
IV.CAR1.HHN. ML:2.0 0.00004166454 0.34 AML other m 2017-07-22T19:37:18.51
IV.PLAC.HNN. ML:2.5 0.00017723984999999998 1.14 AML other m 2017-07-22T19:37:18.94
IV.CAR1.HNE. ML:2.5 0.00014587710000000002 1.21 AML other m 2017-07-22T19:37:20.19
IV.CELI.HNE. ML:1.9 0.000027826365000000003 1.08 AML other m 2017-07-22T19:37:20.55
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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