Earthquake with magnitude of ML 1.1 on date 28-09-2022 and time 21:56:11 (UTC) in region 1 km NW Brancaleone (RC)

A magnitude ML 1.1 earthquake occured in region: 1 km NW Brancaleone (RC), on

  • 28-09-2022 21:56:11 (UTC)
  • 28-09-2022 23:56:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9770, 16.0940 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Brancaleone RC 1 3584 3584
Bruzzano Zeffirio RC 4 1111 4695
Staiti RC 6 248 4943
Ferruzzano RC 7 772 5715
Africo RC 9 3075 8790
Samo RC 11 809 9599
Palizzi RC 12 2480 12079
Caraffa del Bianco RC 13 539 12618
Sant'Agata del Bianco RC 13 592 13210
Bianco RC 13 4273 17483
Casignana RC 14 759 18242
Bova RC 14 448 18690
Bova Marina RC 16 4235 22925
Roccaforte del Greco RC 19 476 23401
San Luca RC 19 3881 27282

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Reggio di Calabria (183035 inhabitants)
53 Km E of Messina (238439 inhabitants)
91 Km E of Acireale (52622 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
ML 1.1 2022-09-28
21:56:11
37.9772 16.0945 10 2022-09-28
21:59:53
Sala Sismica INGV-Roma 110270331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-28 21:56:11 ± 0.22
Latitude 37.9772 ± 0.0090
Longitude 16.0945 ± 0.0125
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 110270331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1320
Semi-minor axis of confidence ellipse (meter) 673
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 264
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.32376
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 110270331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-28 21:59:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTTG.HHZ. 2022-09-28T21:56:23.72 0.3 undecidable manual S 275 34.6431 50 0.4 67
IY.CNDF.HHE.00 2022-09-28T21:56:19.27 0.3 undecidable manual S 278 20.9679 116 -0.29 70
MN.CEL.HHZ. 2022-09-28T21:56:18.56 0.3 negative manual P 331 35.9418 50 0.05 71
TV.GMB1.HHZ. 2022-09-28T21:56:18.04 0.3 positive manual P 312 32.4453 50 0.07 72
IV.MTTG.HHZ. 2022-09-28T21:56:18.03 0.3 undecidable manual P 275 34.6431 50 -0.28 68
IY.OPPI.HHZ. 2022-09-28T21:56:17.96 0.1 undecidable manual P 347 33.0447 50 -0.1 95
IV.MPAZ.HHZ. 2022-09-28T21:56:16.26 0.3 undecidable manual S 251 8.0808 142 0.23 72
IV.SOI.EHZ. 2022-09-28T21:56:16.89 0.1 undecidable manual S 342 11.2776 133 0.13 98
IY.CNDF.HHE.00 2022-09-28T21:56:15.95 0.1 undecidable manual P 278 20.9679 116 -0.19 95
IV.MPAZ.HHZ. 2022-09-28T21:56:14.14 0.1 negative manual P 251 8.0808 142 0.04 100
IV.SOI.EHZ. 2022-09-28T21:56:14.48 0.6 undecidable manual P 342 11.2776 133 -0.04 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPAZ.HHE. ML:1.2 0.00022150000000000002 0.38 AML other m 2022-09-28T21:56:16.34
IV.SOI.EHE. ML:0.9 0.00009855 0.32 AML other m 2022-09-28T21:56:17.26
IV.SOI.EHN. ML:1.1 0.0001544 0.34 AML other m 2022-09-28T21:56:17.03
IV.MPAZ.HHN. ML:1.3 0.000264 1.3 AML other m 2022-09-28T21:56:17.95
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