Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 27-09-2022 and time 19:46:04 (Italy) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude ML 1.2 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 27-09-2022 17:46:04 (UTC)
  • 27-09-2022 19:46:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9730, 16.1240 at 11 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Brancaleone RC 2 3584 3584
Bruzzano Zeffirio RC 6 1111 4695
Ferruzzano RC 8 772 5467
Staiti RC 9 248 5715
Africo RC 9 3075 8790
Samo RC 13 809 9599
Bianco RC 13 4273 13872
Palizzi RC 14 2480 16352
Caraffa del Bianco RC 14 539 16891
Sant'Agata del Bianco RC 14 592 17483
Casignana RC 14 759 18242
Bova RC 17 448 18690
Bova Marina RC 18 4235 22925
Bovalino RC 20 8905 31830
San Luca RC 20 3881 35711

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Reggio di Calabria (183035 inhabitants)
56 Km E of Messina (238439 inhabitants)
93 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
Bulletin
Rev1000 		ML 1.2 2022-09-27
17:46:04		 37.9732 16.1242 11 2024-03-01
15:27:57		 Bollettino Sismico Italiano INGV 110973831
Reviewed
Rev100 		ML 1.2 2022-09-27
17:46:04		 37.9708 16.1247 11 2022-09-27
17:51:44		 Sala Sismica INGV-Roma 110226041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-27 17:46:04 ± 0.16
Latitude 37.9732 ± 0.0054
Longitude 16.1242 ± 0.0103
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110973831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1022
Semi-minor axis of confidence ellipse (meter) 449
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 119
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 272
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.09443
Epicentral distance of station farthest from the epicenter (degree) 0.38131
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 110973831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 15:52:30

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 110226041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-27 17:51:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRCB.HHE. 2022-09-27T17:46:18.25 0.6 undecidable manual S 300 42.3243 90 -0.07 48
MN.CEL.HHZ. 2022-09-27T17:46:17.13 0.6 undecidable manual S 328 37.629 90 0.06 48
IV.MTTG.HHZ. 2022-09-27T17:46:17.33 0.6 undecidable manual S 275 37.2294 90 0.37 44
IY.OPPI.HHZ. 2022-09-27T17:46:15.87 0.3 undecidable manual S 343 34.1436 90 -0.25 69
IY.CNDF.HHZ.00 2022-09-27T17:46:12.93 0.6 undecidable manual S 278 23.5542 91 -0.38 46
IV.MRCB.HHE. 2022-09-27T17:46:12.64 0.1 undecidable manual P 300 42.3243 90 0.14 93
1J.FX14.HHZ.00 2022-09-27T17:46:12.31 0.6 undecidable manual S 255 19.6692 91 0.05 49
MN.CEL.HHZ. 2022-09-27T17:46:11.89 0.1 undecidable manual P 328 37.629 90 0.11 95
IY.OPPI.HHZ. 2022-09-27T17:46:11.16 0.1 undecidable manual P 343 34.1436 90 -0.08 96
IV.MTTG.HHZ. 2022-09-27T17:46:11.85 0.3 undecidable manual P 275 37.2294 90 0.13 70
IV.SOI.EHZ. 2022-09-27T17:46:10.43 0.6 undecidable manual S 331 12.6762 106 0.02 50
IY.CNDF.HHZ.00 2022-09-27T17:46:09.52 0.1 undecidable manual P 278 23.5542 91 -0.09 98
IV.MPAZ.HHZ. 2022-09-27T17:46:09.73 0.6 undecidable manual S 258 10.4784 118 -0.15 50
IV.SOI.EHZ. 2022-09-27T17:46:08.01 0.1 positive manual P 331 12.6762 106 0.08 99
1J.FX14.HHZ.00 2022-09-27T17:46:08.73 0.3 undecidable manual P 255 19.6692 91 -0.27 71
IV.MPAZ.HHZ. 2022-09-27T17:46:07.67 0.1 undecidable manual P 258 10.4784 118 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPAZ.HHE. ML:1.4 0.00028649999999999997 1.62 AML other m 2022-09-27T17:46:09.89
IV.MPAZ.HHN. ML:1.5 0.00034399999999999996 0.28 AML other m 2022-09-27T17:46:10.46
IV.SOI.EHE. ML:1.1 0.0001215 0.36 AML other m 2022-09-27T17:46:10.81
IV.SOI.EHN. ML:1.3 0.000199 0.34 AML other m 2022-09-27T17:46:10.57
MN.CEL.HHN. ML:1.2 0.0000591382 0.4224 AML other m 2022-09-27T17:46:17.64
IY.OPPI.HHN. ML:0.6 0.00001602808725 0.3584 AML other m 2022-09-27T17:46:18.18
MN.CEL.HHE. ML:1.3 0.00006862944500000001 0.3584 AML other m 2022-09-27T17:46:20.45
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