Earthquake with magnitude of ML 1.8 on date 20-09-2018 and time 01:41:34 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 1.8 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 19-09-2018 23:41:34 (UTC)
  • 20-09-2018 01:41:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.49, 15.49 at 132 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
33 Km N of Messina (238439 inhabitants)
44 Km N of Reggio di Calabria (183035 inhabitants)
90 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
Rev 1000 ML 1.8 2018-09-19
23:41:34
38.49 15.49 132 2019-06-04
09:15:58
Bollettino Sismico Italiano INGV 62079011
Rev 100 ML 1.8 2018-09-19
23:41:34
38.49 15.49 131 2018-09-19
23:49:51
Sala Sismica INGV-Roma 61124501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-19 23:41:34 ± 0.23
Latitude 38.49 ± 0.01
Longitude 15.49 ± 0.02
Depth (km) 132 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 62079011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1820
Semi-minor axis of confidence ellipse (meter) 927
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 134
Circular confidence region, given by single value of horizontal uncertainty (meter) 1820
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.22303
Epicentral distance of station farthest from the epicenter (degree) 1.43352
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 62079011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-10-18 09:28:13

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 61124501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-19 23:49:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
MN.TIP.HHN. 2018-09-19T23:42:19.04 0.6 undecidable manual S 55 1.2051 131 0.47 38
IV.SERS.HNN. 2018-09-19T23:42:17.18 0.6 undecidable manual S 59 1.0828 134 0.76 35
IV.CET2.HHZ. 2018-09-19T23:42:16.67 0.3 undecidable manual S 19 1.1026 134 -0.08 65
IV.CAR1.HHZ. 2018-09-19T23:42:14.02 0.6 undecidable manual S 36 0.9497 138 -0.19 44
IV.PLAC.HHZ. 2018-09-19T23:42:11.08 0.3 undecidable manual S 93 0.7419 145 -0.07 70
IV.MTTG.HHZ. 2018-09-19T23:42:09.15 0.6 undecidable manual S 161 0.5099 155 0.77 41
IV.SOI.EHZ. 2018-09-19T23:42:08.94 0.3 undecidable manual S 133 0.6052 151 -0.47 66
IV.GMB.BHE. 2018-09-19T23:42:07.82 0.6 undecidable manual S 140 0.4137 159 0.34 47
MN.CEL.HHZ. 2018-09-19T23:42:07.03 0.3 undecidable manual S 125 0.3885 160 -0.24 72
IV.MSRU.HHZ. 2018-09-19T23:42:06.05 0.3 undecidable manual S 176 0.223 169 -0.16 76
IV.MILZ.HHZ. 2018-09-19T23:42:06.75 0.6 undecidable manual S 223 0.2959 165 0.14 51
IV.JOPP.HHN. 2018-09-19T23:42:06.86 0.6 undecidable manual S 69 0.331 163 0.01 51
IV.PIPA.HHZ. 2018-09-19T23:42:02.45 0.3 undecidable manual P 45 1.4335 126 0.04 58
MN.TIP.HHN. 2018-09-19T23:41:59.98 0.1 undecidable manual P 55 1.2051 131 0.03 84
IV.CET2.HHZ. 2018-09-19T23:41:58.84 0.1 undecidable manual P 19 1.1026 134 -0.05 87
IV.SERS.HNN. 2018-09-19T23:41:58.83 0.1 undecidable manual P 59 1.0828 134 0.12 85
IV.CAR1.HHZ. 2018-09-19T23:41:57.08 0.1 undecidable manual P 36 0.9497 138 -0.35 84
IV.GRI.EHN. 2018-09-19T23:41:56.29 0.3 undecidable manual P 65 0.7986 143 0.17 67
IV.PLAC.HHZ. 2018-09-19T23:41:55.56 0.1 positive manual P 93 0.7419 145 -0.1 93
IV.GMB.BHE. 2018-09-19T23:41:54.04 0.3 undecidable manual P 140 0.4137 159 0.5 69
IV.AIO.HHE. 2018-09-19T23:41:54.96 0.3 undecidable manual P 202 0.5531 153 0.64 64
IV.NOV.HHZ. 2018-09-19T23:41:54.79 0.3 undecidable manual P 211 0.536 154 0.57 66
IV.MTTG.HHZ. 2018-09-19T23:41:54.13 0.3 undecidable manual P 161 0.5099 155 0.07 74
IV.SOI.EHZ. 2018-09-19T23:41:54.40 0.1 undecidable manual P 133 0.6052 151 -0.26 92
MN.CEL.HHZ. 2018-09-19T23:41:53.18 0.1 undecidable manual P 125 0.3885 160 -0.24 96
IV.IVPL.HHZ. 2018-09-19T23:41:53.63 0.1 undecidable manual P 255 0.4146 159 0.09 100
IV.MILZ.HHZ. 2018-09-19T23:41:52.76 0.3 undecidable manual P 223 0.2959 165 -0.28 73
IV.JOPP.HHN. 2018-09-19T23:41:52.95 0.1 undecidable manual P 69 0.331 163 -0.22 98
IV.MSRU.HHZ. 2018-09-19T23:41:52.34 0.1 undecidable manual P 176 0.223 169 -0.47 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSRU.HHE. ML:1.7 3.1393125E-5 0.3712 AML other m 2018-09-19T23:42:07.31
IV.MSRU.HHN. ML:1.7 2.977059E-5 0.2688 AML other m 2018-09-19T23:42:06.74
IV.MILZ.HHN. ML:1.5 2.0407785E-5 0.2688 AML other m 2018-09-19T23:42:07.23
IV.MILZ.HHE. ML:1.7 3.2134885E-5 0.32 AML other m 2018-09-19T23:42:08.06
MN.CEL.HHN. ML:1.7 2.755341E-5 0.2176 AML other m 2018-09-19T23:42:07.42
MN.CEL.HHE. ML:1.6 2.2597865E-5 0.2816 AML other m 2018-09-19T23:42:08.84
IV.MTTG.HHN. ML:1.7 2.768485E-5 0.6016 AML other m 2018-09-19T23:42:11.92
IV.SOI.EHN. ML:1.7 2.3815265E-5 0.3584 AML other m 2018-09-19T23:42:09.54
IV.SOI.EHE. ML:1.5 1.744206E-5 0.2688 AML other m 2018-09-19T23:42:10.45
IV.PLAC.HHE. ML:1.8 2.9154575E-5 0.2432 AML other m 2018-09-19T23:42:12.85
IV.PLAC.HHN. ML:1.7 2.341614E-5 0.5632 AML other m 2018-09-19T23:42:13.56
IV.CAR1.HHN. ML:1.9 3.4082055E-5 0.256 AML other m 2018-09-19T23:42:16.24
IV.CAR1.HHE. ML:1.9 3.694079E-5 0.2304 AML other m 2018-09-19T23:42:15.00
IV.CET2.HHN. ML:2.5 0.000102522695 0.3456 AML other m 2018-09-19T23:42:18.79
IV.CET2.HHE. ML:2.2 5.2748505E-5 0.2944 AML other m 2018-09-19T23:42:18.14
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download