Earthquake with magnitude of ML 1.8 on date 25-10-2021 and time 03:58:05 (Italy) in region 5 km SE Polia (VV)

A magnitude ML 1.8 earthquake occured in region: 5 km SE Polia (VV), on

  • 25-10-2021 01:58:05 (UTC)
  • 25-10-2021 03:58:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7160, 16.3470 at 9 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.

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 5 1023 1023
Monterosso Calabro VV 5 1729 2752
San Vito sullo Ionio CZ 5 1811 4563
Cenadi CZ 6 563 5126
Capistrano VV 6 1042 6168
Olivadi CZ 7 529 6697
Chiaravalle Centrale CZ 7 5759 12456
Torre di Ruggiero CZ 7 1033 13489
Centrache CZ 8 401 13890
San Nicola da Crissa VV 8 1335 15225
Vallelonga VV 9 706 15931
Argusto CZ 9 522 16453
Cardinale CZ 9 2188 18641
Filadelfia VV 9 5384 24025
Francavilla Angitola VV 10 1939 25964
Palermiti CZ 10 1213 27177
Filogaso VV 11 1417 28594
Gagliato CZ 11 505 29099
Petrizzi CZ 11 1131 30230
Simbario VV 12 966 31196
Vallefiorita CZ 12 1771 32967
Amaroni CZ 12 1855 34822
Spadola VV 12 825 35647
Vazzano VV 13 1067 36714
Brognaturo VV 13 735 37449
Curinga CZ 13 6779 44228
Satriano CZ 13 3448 47676
Pizzoni VV 13 1143 48819
Montepaone CZ 13 5282 54101
Maierato VV 13 2188 56289
Girifalco CZ 14 5945 62234
Davoli CZ 14 5607 67841
Gasperina CZ 14 2160 70001
San Pietro a Maida CZ 15 4200 74201
Montauro CZ 15 1732 75933
San Sostene CZ 15 1370 77303
Jacurso CZ 15 624 77927
Cortale CZ 15 2117 80044
Serra San Bruno VV 16 6734 86778
Maida CZ 16 4566 91344
Pizzo VV 16 9278 100622
Soriano Calabro VV 17 2421 103043
Squillace CZ 17 3608 106651
Sorianello VV 17 1176 107827
Sant'Onofrio VV 18 3067 110894
Stalettì CZ 18 2433 113327
Soverato CZ 18 9204 122531
Gerocarne VV 18 2248 124779
Sant'Andrea Apostolo dello Ionio CZ 19 1937 126716
Borgia CZ 19 7611 134327
Stefanaconi VV 20 2494 136821
Isca sullo Ionio CZ 20 1633 138454

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km S of Lamezia Terme (70714 inhabitants)
30 Km SW of Catanzaro (90612 inhabitants)
65 Km S of Cosenza (67546 inhabitants)
79 Km SW of Crotone (62178 inhabitants)
90 Km NE of Messina (238439 inhabitants)
91 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 1.8 2021-10-25
01:58:05
38.7163 16.3467 9 2022-03-30
13:04:14
Bollettino Sismico Italiano INGV 97164511
Reviewed
Rev100
ML 1.6 2021-10-25
01:58:05
38.7207 16.3442 10 2021-10-25
02:05:05
Sala Sismica INGV-Roma 96967831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-25 01:58:05 ± 0.09
Latitude 38.7163 ± 0.0036
Longitude 16.3467 ± 0.0058
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97164511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 545
Semi-minor axis of confidence ellipse (meter) 244
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 105
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69697
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 27
Type of magnitude ML
Reference to an origin 96967831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-25 02:05:05

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 97164511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-02 10:47:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2021-10-25T01:59:46.59 3.0 undecidable manual Sn 2.14 0
IV.MIDA.HHZ. 2021-10-25T01:59:32.63 3.0 undecidable manual Sn -4.99 0
IV.PAOL.HHZ. 2021-10-25T01:59:22.99 3.0 undecidable manual Sn 1.15 0
IV.MOCO.HHZ. 2021-10-25T01:59:20.46 3.0 undecidable manual Sn -4.18 0
IX.SNR3.EHZ.02 2021-10-25T01:58:41.62 3.0 positive manual Pn -0.06 0
MN.TIP.HHZ. 2021-10-25T01:58:25.06 0.6 undecidable manual S 35 62.493 50 0.29 44
IV.MILZ.HHZ. 2021-10-25T01:58:25.72 3.0 undecidable manual P 0.66 0
IV.CAR1.HHZ. 2021-10-25T01:58:24.82 0.3 undecidable manual S 349 60.6948 50 0.52 63
IV.SERS.HHZ. 2021-10-25T01:58:20.27 0.6 undecidable manual S 40 46.1205 50 -0.14 47
IV.JOPP.HHZ. 2021-10-25T01:58:19.16 0.6 undecidable manual S 253 41.7249 50 -0.08 48
IV.CELI.HHZ. 2021-10-25T01:58:18.86 0.6 undecidable manual P 10 77.367 50 0.04 46
IV.SELL.HHZ. 2021-10-25T01:58:18.46 0.3 undecidable manual S 39 38.2284 50 0.14 72
IV.FERC.HHZ.00 2021-10-25T01:58:17.36 0.6 undecidable manual S 213 34.8429 50 -0.04 49
IV.GIZZ.HHZ. 2021-10-25T01:58:16.17 0.3 undecidable manual S 338 31.5462 50 -0.36 70
IV.CAR1.HHZ. 2021-10-25T01:58:16.27 0.6 negative manual P 349 60.6948 50 0.02 47
IV.PLAC.HHZ. 2021-10-25T01:58:16.13 0.3 undecidable manual S 165 30.6471 50 -0.15 73
IV.SPS2.HHE. 2021-10-25T01:58:16.57 0.6 undecidable manual P 359 63.7917 50 -0.15 46
MN.TIP.HHZ. 2021-10-25T01:58:16.20 0.3 undecidable manual P 35 62.493 50 -0.32 66
IV.JOPP.HHZ. 2021-10-25T01:58:13.37 0.6 positive manual P 253 41.7249 50 0.05 49
IV.SERS.HHZ. 2021-10-25T01:58:13.99 0.3 undecidable manual P 40 46.1205 50 -0.01 73
IV.SELL.HHZ. 2021-10-25T01:58:12.69 0.1 undecidable manual P 39 38.2284 50 -0.1 97
IV.FERC.HHZ.00 2021-10-25T01:58:12.50 0.3 undecidable manual P 213 34.8429 50 0.24 71
IV.GIZZ.HHZ. 2021-10-25T01:58:11.58 0.6 undecidable manual P 338 31.5462 50 -0.18 48
IV.PLAC.HHZ. 2021-10-25T01:58:11.74 0.3 undecidable manual P 165 30.6471 50 0.12 73
IV.GRI.EHZ. 2021-10-25T01:58:10.74 0.1 undecidable manual S 28 13.3755 125 -0.15 100
IV.GRI.EHZ. 2021-10-25T01:58:08.74 0.1 undecidable manual P 28 13.3755 125 0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GRI.EHN. ML:1.9 0.0009432803000000001 1.7808 AML other m 2021-10-25T01:58:11.08
IV.GRI.EHE. ML:1.9 0.00080075545 0.1008 AML other m 2021-10-25T01:58:11.17
IV.PLAC.HHE. ML:1.5 0.00013843772500000002 1.0384 AML other m 2021-10-25T01:58:16.43
IV.PLAC.HNN. ML:1.9 0.00034278745 1.8096 AML other m 2021-10-25T01:58:17.96
IV.PLAC.HHN. ML:1.9 0.00034350849999999997 1.8 AML other m 2021-10-25T01:58:17.96
IV.PLAC.HNE. ML:1.8 0.0003188072 0.2608 AML other m 2021-10-25T01:58:17.90
IV.CELI.HHE. ML:1.6 0.00006581237 0.6608 AML other m 2021-10-25T01:58:19.58
MN.TIP.HNE. ML:1.7 0.000096666215 0.5008 AML other m 2021-10-25T01:58:19.90
IV.CELI.HNN. ML:1.8 0.00008665526500000001 0.08 AML other m 2021-10-25T01:58:20.40
IV.JOPP.HHN. ML:1.6 0.00013354524500000002 0.1216 AML other m 2021-10-25T01:58:20.84
IV.JOPP.HNN. ML:1.6 0.00012797808 0.2512 AML other m 2021-10-25T01:58:21.60
IV.JOPP.HNE. ML:1.6 0.00012224637 0.2096 AML other m 2021-10-25T01:58:22.52
IV.CAR1.HNN. ML:1.6 0.00009163177999999999 0.32 AML other m 2021-10-25T01:58:26.69
IV.CAR1.HHN. ML:1.6 0.000092352265 1.5808 AML other m 2021-10-25T01:58:27.07
IV.CELI.HNE. ML:1.7 0.00008136395 0.08 AML other m 2021-10-25T01:58:27.56
IV.CAR1.HNE. ML:1.7 0.00010482018 0.32 AML other m 2021-10-25T01:58:28.51
MN.TIP.HHE. ML:1.6 0.00008432837 0.1008 AML other m 2021-10-25T01:58:31.23
IV.CAR1.HHE. ML:1.5 0.000057744325 0.8592 AML other m 2021-10-25T01:58:36.86
MN.TIP.HHN. ML:1.6 0.000075441745 0.12 AML other m 2021-10-25T01:58:40.91
MN.TIP.HNN. ML:1.7 0.000098354945 0.8192 AML other m 2021-10-25T01:58:40.96
IV.CELI.HHN. ML:1.7 0.00007014917500000001 1.68 AML other m 2021-10-25T01:58:44.13
IX.SNR3.EHE.02 ML:2.8 0.00012222754999999998 0.08 AML other m 2021-10-25T01:58:44.59
IX.SNR3.EHN.02 ML:2.9 0.00014946890000000002 0.08 AML other m 2021-10-25T01:58:44.60
IX.SNR3.HNE.01 ML:3.2 0.00030507225 0.24 AML other m 2021-10-25T01:59:23.65
IX.SNR3.HNN.01 ML:3.1 0.00022295965 0.992 AML other m 2021-10-25T01:59:26.04
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