Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 03-09-2019 and time 09:25:43 (Italy) in region 1 km W Longi (ME)

A magnitude ML 0.4 earthquake occured in region: 1 km W Longi (ME), on

  • 03-09-2019 07:25:43 (UTC)
  • 03-09-2019 09:25:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0260, 14.7450 at 6 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Longi ME 1 1473 1473
Galati Mamertino ME 3 2627 4100
Alcara li Fusi ME 4 1980 6080
Frazzanò ME 5 711 6791
San Salvatore di Fitalia ME 6 1319 8110
Militello Rosmarino ME 6 1324 9434
San Marco d'Alunzio ME 7 1996 11430
Mirto ME 7 974 12404
Tortorici ME 7 6435 18839
Castell'Umberto ME 9 3128 21967
Torrenova ME 9 4386 26353
Capri Leone ME 10 4515 30868
Sant'Agata di Militello ME 11 12624 43492
Sinagra ME 11 2705 46197
Naso ME 11 3813 50010
Ficarra ME 12 1469 51479
Ucria ME 12 1058 52537
San Fratello ME 13 3707 56244
Acquedolci ME 14 5744 61988
Capo d'Orlando ME 15 13254 75242
Raccuja ME 15 1041 76283
Floresta ME 15 485 76768
Sant'Angelo di Brolo ME 16 3090 79858
Brolo ME 16 5783 85641
Piraino ME 18 3962 89603
Maniace CT 19 3765 93368
San Piero Patti ME 20 2915 96283

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km NW of Acireale (52622 inhabitants)
65 Km NW of Catania (314555 inhabitants)
73 Km W of Messina (238439 inhabitants)
79 Km W of Reggio di Calabria (183035 inhabitants)
84 Km NE of Caltanissetta (63360 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
Reviewed
Rev100 		Md 0.8
ML 0.4 		2019-09-03
07:25:43		 38.0262 14.7448 6 2019-09-03
07:33:40		 Sala Sismica INGV-Roma 72073991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-03 07:25:43 ± 0.13
Latitude 38.0262 ± 0.0090
Longitude 14.7448 ± 0.0068
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72073991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 773
Semi-minor axis of confidence ellipse (meter) 662
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 176
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.10252
Epicentral distance of station farthest from the epicenter (degree) 0.39570
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 72073991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-03 07:33:40

Md:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude Md
Reference to an origin 72073991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-03 07:33:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IVPL.HHE. 2019-09-03T07:25:58.70 0.6 undecidable manual S 28 43.9227 50 0.35 46
IV.IVPL.HHE. 2019-09-03T07:25:51.51 0.6 undecidable manual P 28 43.9227 50 -0.37 45
IV.EPZF.HHE. 2019-09-03T07:25:48.49 0.6 undecidable manual P 156 24.4533 104 0.41 47
IV.MSFR.HHZ. 2019-09-03T07:25:48.41 0.3 undecidable manual S 274 13.3755 114 0.28 73
IV.MNO.SHZ. 2019-09-03T07:25:47.56 0.3 undecidable manual S 202 11.3775 118 0.06 77
IV.MUCR.HHZ. 2019-09-03T07:25:47.66 0.3 undecidable manual S 81 11.4774 118 0.15 75
IV.MNO.SHZ. 2019-09-03T07:25:45.44 0.1 undecidable manual P 202 11.3775 118 -0.17 100
IV.MUCR.HHZ. 2019-09-03T07:25:45.43 0.1 undecidable manual P 81 11.4774 118 -0.19 100
IV.MSFR.HHZ. 2019-09-03T07:25:45.79 0.1 undecidable manual P 274 13.3755 114 -0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHN. ML:0.8 0.000081 1.38 AML other m 2019-09-03T07:25:48.13
IV.MUCR.HHE. ML:0.7 0.00006315 0.38 AML other m 2019-09-03T07:25:48.35
IV.MSFR.HHE. ML:0.1 0.000012869135000000001 0.2176 AML other m 2019-09-03T07:25:48.71
IV.MSFR.HHN. ML:0.1 0.000017480065000000003 0.3776 AML other m 2019-09-03T07:25:48.70
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