Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 16-02-2021 and time 19:25:34 (Italy) in region 3 km SE Polia (VV)

A magnitude ML 1.3 earthquake occured in region: 3 km SE Polia (VV), on

  • 16-02-2021 18:25:34 (UTC)
  • 16-02-2021 19:25:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.7330, 16.3430 at 12 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
Polia VV 3 1023 1023
Monterosso Calabro VV 5 1729 2752
San Vito sullo Ionio CZ 6 1811 4563
Cenadi CZ 6 563 5126
Capistrano VV 7 1042 6168
Olivadi CZ 7 529 6697
Filadelfia VV 7 5384 12081
Centrache CZ 8 401 12482
Francavilla Angitola VV 8 1939 14421
Chiaravalle Centrale CZ 8 5759 20180
San Nicola da Crissa VV 9 1335 21515
Torre di Ruggiero CZ 9 1033 22548
Palermiti CZ 10 1213 23761
Argusto CZ 10 522 24283
Vallelonga VV 10 706 24989
Cardinale CZ 11 2188 27177
Curinga CZ 11 6779 33956
Filogaso VV 11 1417 35373
Amaroni CZ 12 1855 37228
Vallefiorita CZ 12 1771 38999
Petrizzi CZ 12 1131 40130
Gagliato CZ 12 505 40635
Girifalco CZ 12 5945 46580
San Pietro a Maida CZ 13 4200 50780
Jacurso CZ 13 624 51404
Maierato VV 13 2188 53592
Simbario VV 14 966 54558
Cortale CZ 14 2117 56675
Montepaone CZ 14 5282 61957
Vazzano VV 14 1067 63024
Satriano CZ 14 3448 66472
Maida CZ 14 4566 71038
Spadola VV 14 825 71863
Pizzoni VV 15 1143 73006
Brognaturo VV 15 735 73741
Gasperina CZ 15 2160 75901
Montauro CZ 15 1732 77633
Pizzo VV 16 9278 86911
Davoli CZ 16 5607 92518
Squillace CZ 16 3608 96126
San Sostene CZ 16 1370 97496
Serra San Bruno VV 18 6734 104230
Sant'Onofrio VV 18 3067 107297
Stalettì CZ 18 2433 109730
Soriano Calabro VV 18 2421 112151
Sorianello VV 18 1176 113327
Borgia CZ 18 7611 120938
Soverato CZ 19 9204 130142
Gerocarne VV 19 2248 132390
San Floro CZ 19 716 133106
Stefanaconi VV 20 2494 135600

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km S of Lamezia Terme (70714 inhabitants)
29 Km SW of Catanzaro (90612 inhabitants)
63 Km S of Cosenza (67546 inhabitants)
78 Km SW of Crotone (62178 inhabitants)
91 Km NE of Messina (238439 inhabitants)
92 Km NE of Reggio di Calabria (183035 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 1.3 2021-02-16
18:25:34		 38.7328 16.3425 12 2021-07-12
16:55:00		 Bollettino Sismico Italiano INGV 87600551
Reviewed
Rev100 		ML 1.5 2021-02-16
18:25:34		 38.7345 16.3377 11 2021-02-16
18:32:26		 Sala Sismica INGV-Roma 87217411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-16 18:25:34 ± 0.07
Latitude 38.7328 ± 0.0045
Longitude 16.3425 ± 0.0058
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87600551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 536
Semi-minor axis of confidence ellipse (meter) 211
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 319
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.10792
Epicentral distance of station farthest from the epicenter (degree) 0.84986
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 87217411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-16 18:32:26

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 87600551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-19 12:03:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CET2.HHZ. 2021-02-16T18:25:50.82 0.3 undecidable manual P 339 94.3389 90 0.07 64
IV.JOPP.HHZ. 2021-02-16T18:25:48.21 0.6 undecidable manual S 251 41.9247 91 -0.24 45
IV.LADO.EHE. 2021-02-16T18:25:48.87 0.6 undecidable manual P 42 82.1511 91 0 44
IV.CELI.HHZ. 2021-02-16T18:25:47.79 0.3 undecidable manual P 11 75.6687 91 -0.08 66
IV.SELL.HHZ. 2021-02-16T18:25:47.52 0.6 undecidable manual S 42 37.1295 92 0.37 45
MN.CEL.HNZ. 2021-02-16T18:25:46.84 1.0 undecidable manual P 217 65.2902 91 0.57 20
IV.PLAC.HHZ. 2021-02-16T18:25:45.76 0.6 undecidable manual S 165 32.5452 92 -0.17 47
IV.GIZZ.HHZ. 2021-02-16T18:25:45.11 0.6 undecidable manual S 337 29.748 92 -0.08 48
MN.TIP.HHZ. 2021-02-16T18:25:45.43 0.3 undecidable manual P 36 61.1943 91 -0.2 66
IV.SERS.HHZ. 2021-02-16T18:25:43.04 0.6 undecidable manual P 42 45.0216 91 -0.1 47
IV.JOPP.HHZ. 2021-02-16T18:25:42.51 0.3 undecidable manual P 251 41.9247 91 -0.17 69
IV.FERC.HNE. 2021-02-16T18:25:42.34 0.6 undecidable manual P 211 36.2415 92 0.55 43
IV.GIZZ.HHZ. 2021-02-16T18:25:41.00 0.3 undecidable manual P 337 29.748 92 0.2 70
IV.PLAC.HHZ. 2021-02-16T18:25:41.19 0.1 undecidable manual P 165 32.5452 92 -0.04 96
IV.SELL.HHZ. 2021-02-16T18:25:41.85 0.3 undecidable manual P 42 37.1295 92 -0.08 71
IV.GRI.EHZ. 2021-02-16T18:25:40.46 0.3 undecidable manual S 34 11.9769 116 -0.05 75
IV.GRI.EHZ. 2021-02-16T18:25:38.13 0.1 positive manual P 34 11.9769 116 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRI.EHN. ML:1.8 0.000633 0.56 AML other m 2021-02-16T18:25:40.57
IV.GRI.EHE. ML:1.9 0.000867 0.22 AML other m 2021-02-16T18:25:40.71
IV.PLAC.HHN. ML:1.2 0.000071937845 0.448 AML other m 2021-02-16T18:25:46.11
IV.PLAC.HNE. ML:1.2 0.000073383495 0.512 AML other m 2021-02-16T18:25:46.02
IV.PLAC.HHE. ML:1.4 0.00010200755 0.8448 AML other m 2021-02-16T18:25:46.32
IV.PLAC.HNN. ML:1.5 0.00014895145 0.6656 AML other m 2021-02-16T18:25:46.73
IV.SELL.HHN. ML:0.7 0.00001981292 0.4608 AML other m 2021-02-16T18:25:47.89
IV.SELL.HNN. ML:1.4 0.00009460884 1.088 AML other m 2021-02-16T18:25:47.64
IV.SELL.HHE. ML:0.9 0.0000312 0.36 AML other m 2021-02-16T18:25:48.63
IV.SELL.HNE. ML:1.6 0.00014343864500000002 0.4096 AML other m 2021-02-16T18:25:48.63
IV.SERS.HHN. ML:0.8 0.00002209841 0.3968 AML other m 2021-02-16T18:25:49.84
IV.SERS.HHE. ML:1.1 0.00003605471 0.6016 AML other m 2021-02-16T18:25:50.15
IV.SERS.HNN. ML:1.1 0.000038935105 0.5888 AML other m 2021-02-16T18:25:49.86
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