Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 17-01-2021 and time 17:29:50 (UTC) in region 9 km NE Roccaforte del Greco (RC)

A magnitude ML 1.7 earthquake occured in region: 9 km NE Roccaforte del Greco (RC), on

  • 17-01-2021 17:29:50 (UTC)
  • 17-01-2021 18:29:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1150, 15.9550 at 13 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
Roccaforte del Greco RC 9 476 476
Samo RC 10 809 1285
San Luca RC 11 3881 5166
Sant'Agata del Bianco RC 12 592 5758
Caraffa del Bianco RC 12 539 6297
Casignana RC 12 759 7056
Bova RC 13 448 7504
Platì RC 14 3812 11316
Ferruzzano RC 14 772 12088
Delianuova RC 14 3352 15440
Staiti RC 14 248 15688
Scido RC 15 931 16619
Condofuri RC 15 5113 21732
Bagaladi RC 15 1039 22771
San Lorenzo RC 16 2640 25411
Santo Stefano in Aspromonte RC 16 1263 26674
Santa Cristina d'Aspromonte RC 16 929 27603
Bruzzano Zeffirio RC 16 1111 28714
Careri RC 16 2360 31074
Cardeto RC 17 1641 32715
Africo RC 17 3075 35790
Bianco RC 17 4273 40063
Cosoleto RC 18 859 40922
Sinopoli RC 18 2089 43011
Benestare RC 18 2556 45567
Sant'Alessio in Aspromonte RC 18 343 45910
Sant'Eufemia d'Aspromonte RC 19 4120 50030
San Procopio RC 20 534 50564
Bovalino RC 20 8905 59469
Laganadi RC 20 413 59882

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Reggio di Calabria (183035 inhabitants)
36 Km E of Messina (238439 inhabitants)
89 Km NE 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 1.7 2021-01-17
17:29:50		 38.1147 15.9552 13 2021-07-12
16:54:56		 Bollettino Sismico Italiano INGV 86376041
Reviewed
Rev100 		ML 1.7 2021-01-17
17:29:49		 38.0938 15.9528 17 2021-01-17
17:36:25		 Sala Sismica INGV-Roma 86334251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-17 17:29:50 ± 0.12
Latitude 38.1147 ± 0.0090
Longitude 15.9552 ± 0.0080
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86376041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1080
Semi-minor axis of confidence ellipse (meter) 58
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 204
Circular confidence region, given by single value of horizontal uncertainty (meter) 1080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
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) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.08813
Epicentral distance of station farthest from the epicenter (degree) 0.50542
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:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 86376041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-04 15:39:40

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 86334251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-17 17:36:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2021-01-17T17:30:08.17 0.3 undecidable manual S 48 56.0994 92 0.57 60
IV.JOPP.HHZ. 2021-01-17T17:30:06.88 0.6 undecidable manual S 354 54.9006 92 -0.41 43
IV.MPNC.HHN. 2021-01-17T17:30:06.68 0.6 undecidable manual S 274 52.7028 92 -0.01 46
IV.MSRU.HHZ. 2021-01-17T17:30:04.19 0.3 undecidable manual S 293 42.3243 93 0.26 68
IV.FERC.HNZ. 2021-01-17T17:30:03.61 0.6 undecidable manual S 22 40.4262 94 0.19 46
IV.MPNC.HHN. 2021-01-17T17:30:00.17 0.3 undecidable manual P 274 52.7028 92 0.47 64
IV.SICLA.EHZ. 2021-01-17T17:29:59.71 0.3 undecidable manual S 307 26.2515 97 0.06 73
IV.JOPP.HHZ. 2021-01-17T17:29:59.52 0.3 undecidable manual P 354 54.9006 92 -0.53 63
IV.PLAC.HHZ. 2021-01-17T17:29:59.96 0.3 undecidable manual P 48 56.0994 92 -0.27 66
IV.FERC.HNZ. 2021-01-17T17:29:57.60 0.3 undecidable manual P 22 40.4262 94 -0.21 69
IV.MSRU.HHZ. 2021-01-17T17:29:57.79 0.3 undecidable manual P 293 42.3243 93 -0.32 67
MN.CEL.HHZ. 2021-01-17T17:29:57.42 0.6 undecidable manual S 342 17.0718 108 0.18 48
IV.SOI.EHZ. 2021-01-17T17:29:55.46 0.3 undecidable manual S 118 9.7791 131 -0.1 75
IV.SICLA.EHZ. 2021-01-17T17:29:55.53 0.1 positive manual P 307 26.2515 97 -0.1 96
MN.CEL.HHZ. 2021-01-17T17:29:54.34 0.1 positive manual P 342 17.0718 108 0.09 98
IV.SOI.EHZ. 2021-01-17T17:29:53.33 0.1 positive manual P 118 9.7791 131 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.CEL.HNN. ML:1.8 0.00044750000000000004 1.4 AML other m 2021-01-17T17:29:57.24
MN.CEL.HHN. ML:1.8 0.0004648072 0.1792 AML other m 2021-01-17T17:29:58.23
MN.CEL.HHE. ML:1.9 0.0006314999999999999 0.16 AML other m 2021-01-17T17:29:58.37
MN.CEL.HNE. ML:1.8 0.0005975 0.18 AML other m 2021-01-17T17:29:58.46
IV.JOPP.HHE. ML:1.5 0.00006298892 1.104 AML other m 2021-01-17T17:29:59.39
IV.SICLA.EHN. ML:2.0 0.0005445 1.76 AML other m 2021-01-17T17:29:59.97
IV.SICLA.EHE. ML:1.9 0.00044652515 0.1792 AML other m 2021-01-17T17:30:00.06
IV.MSRU.HHN. ML:1.8 0.00020603595000000003 0.3968 AML other m 2021-01-17T17:30:06.41
IV.MSRU.HHE. ML:1.7 0.0001697693 0.2432 AML other m 2021-01-17T17:30:07.17
IV.PLAC.HNN. ML:1.5 0.000063565775 0.2048 AML other m 2021-01-17T17:30:08.41
IV.PLAC.HHE. ML:1.4 0.000059441955 0.2176 AML other m 2021-01-17T17:30:08.41
IV.JOPP.HHN. ML:1.4 0.000058047466649999995 0.2432 AML other m 2021-01-17T17:30:10.26
IV.PLAC.HNE. ML:1.3 0.000043396225 0.2304 AML other m 2021-01-17T17:30:12.58
IV.PLAC.HHN. ML:1.2 0.00003342481 0.2432 AML other m 2021-01-17T17:30:12.46
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