Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 30-10-2019 and time 22:47:42 (UTC) in region Tirreno Meridionale (MARE)

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

  • 30-10-2019 22:47:42 (UTC)
  • 30-10-2019 23:47:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.7160, 15.5030 at 182 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
58 Km N of Messina (238439 inhabitants)
68 Km N of Reggio di Calabria (183035 inhabitants)
77 Km W of Lamezia Terme (70714 inhabitants)
92 Km SW of Cosenza (67546 inhabitants)
97 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 1.8 2019-10-30
22:47:42		 38.7155 15.503 182 2020-02-28
16:42:21		 Bollettino Sismico Italiano INGV 75941981
Reviewed
Rev100 		ML 1.7 2019-10-30
22:47:42		 38.7138 15.5002 185 2019-10-30
23:00:07		 Sala Sismica INGV-Roma 73540981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-30 22:47:42 ± 0.33
Latitude 38.7155 ± 0.0234
Longitude 15.5030 ± 0.0461
Depth (km) 182 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75941981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4255
Semi-minor axis of confidence ellipse (meter) 1390
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 116
Circular confidence region, given by single value of horizontal uncertainty (meter) 4250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 28
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) 1.33190
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 75941981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-05 09:08:30

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 73540981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-30 23:00:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TOLF.HHZ. 2019-10-30T22:49:38.65 3.0 undecidable manual Sn 0.75 0
IV.ARVD.HHZ. 2019-10-30T22:49:01.34 3.0 undecidable manual Pn 0.91 0
IT.TRN1.HGZ. 2019-10-30T22:48:50.38 3.0 positive manual Pn 0.22 0
IV.CELI.HHE. 2019-10-30T22:48:34.18 0.6 undecidable manual S 48 115.3956 146 1.75 24
MN.TIP.HHN. 2019-10-30T22:48:33.03 0.6 undecidable manual S 64 119.8911 145 0.05 48
IV.CET2.HHZ. 2019-10-30T22:48:30.10 0.6 undecidable manual S 23 98.2239 150 -0.36 47
IV.PLAC.HHZ. 2019-10-30T22:48:29.30 0.6 undecidable manual S 110 86.3469 153 0.06 51
IV.CAR1.HHZ. 2019-10-30T22:48:28.60 0.6 undecidable manual S 45 85.3479 153 -0.55 45
MN.CEL.HHZ. 2019-10-30T22:48:27.10 0.6 undecidable manual S 146 60.8946 160 0.03 54
IV.GMB.BHE. 2019-10-30T22:48:27.84 0.6 undecidable manual S 155 66.9774 159 0.3 50
IV.SICLA.EHE. 2019-10-30T22:48:26.63 0.6 undecidable manual S 160 54.1014 162 0.01 55
IV.MSRU.HHE. 2019-10-30T22:48:26.50 0.6 undecidable manual S 179 50.1165 164 0.14 54
IV.JOPP.HHZ. 2019-10-30T22:48:25.50 0.3 undecidable manual S 110 35.2425 168 -0.09 84
IV.SALB.HHZ. 2019-10-30T22:48:14.36 0.3 undecidable manual P 29 147.8409 139 0.42 63
MN.CUC.HHE. 2019-10-30T22:48:14.07 1.0 undecidable manual P 11 144.3444 139 0.42 21
MN.TIP.HHN. 2019-10-30T22:48:11.76 0.1 undecidable manual P 64 119.8911 145 -0.03 96
IV.GRIS.EHE. 2019-10-30T22:48:11.98 1.0 undecidable manual P 15 117.5934 145 0.35 23
IV.CELI.HHE. 2019-10-30T22:48:11.86 0.3 undecidable manual P 48 115.3956 146 0.39 68
IV.CET2.HHZ. 2019-10-30T22:48:10.08 0.3 undecidable manual P 23 98.2239 150 -0.25 72
IV.AIO.HHE. 2019-10-30T22:48:10.61 0.3 undecidable manual P 196 85.8474 153 1.01 56
IV.CAR1.HHZ. 2019-10-30T22:48:09.06 0.3 undecidable manual P 45 85.3479 153 -0.51 70
IV.GRI.EHN. 2019-10-30T22:48:09.52 0.1 undecidable manual P 81 80.1642 155 0.23 100
IV.PLAC.HHZ. 2019-10-30T22:48:09.40 0.3 undecidable manual P 110 86.3469 153 -0.23 74
IV.NOV.HHZ. 2019-10-30T22:48:09.88 0.6 undecidable manual P 203 82.6506 154 0.46 47
IV.FERC.HNN. 2019-10-30T22:48:08.82 0.3 undecidable manual P 118 61.5939 160 0.41 75
IV.GMB.BHE. 2019-10-30T22:48:08.52 0.6 undecidable manual P 155 66.9774 159 -0.12 53
IV.IVPL.HHE. 2019-10-30T22:48:08.45 0.6 undecidable manual P 230 58.8966 161 0.15 53
IV.MSRU.HHE. 2019-10-30T22:48:07.34 0.3 undecidable manual P 179 50.1165 164 -0.62 72
MN.CEL.HHZ. 2019-10-30T22:48:07.81 0.3 undecidable manual P 146 60.8946 160 -0.57 72
IV.JOPP.HHZ. 2019-10-30T22:48:07.08 0.3 undecidable manual P 110 35.2425 168 -0.44 78
IV.SICLA.EHE. 2019-10-30T22:48:07.46 0.6 undecidable manual P 160 54.1014 162 -0.65 47
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:1.5 0.0000086513575 0.9248 AML other m 2019-10-30T22:48:26.35
MN.CEL.HHN. ML:1.5 0.000009642727 1.2416 AML other m 2019-10-30T22:48:27.30
MN.CEL.HHE. ML:1.2 0.0000068776515 0.8608 AML other m 2019-10-30T22:48:28.15
IV.CAR1.HHN. ML:1.9 0.00002631166 0.3424 AML other m 2019-10-30T22:48:30.33
IV.PLAC.HHE. ML:1.7 0.00001609485 0.2976 AML other m 2019-10-30T22:48:31.00
IV.CET2.HHE. ML:2.0 0.00003032208 0.2432 AML other m 2019-10-30T22:48:31.21
IV.PLAC.HHN. ML:1.7 0.000016611600000000002 0.4384 AML other m 2019-10-30T22:48:31.99
IV.CET2.HHN. ML:2.2 0.000045629475000000006 0.3968 AML other m 2019-10-30T22:48:32.37
IV.CAR1.HHE. ML:2.0 0.000030012149999999997 0.6432 AML other m 2019-10-30T22:48:32.33
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