Earthquake with magnitude of ML 0.8 on date 27-09-2021 and time 15:51:08 (UTC) in region 3 km W Acquaro (VV)

A magnitude ML 0.8 earthquake occured in region: 3 km W Acquaro (VV), on

  • 27-09-2021 15:51:08 (UTC)
  • 27-09-2021 17:51:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5700, 16.1590 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Acquaro VV 3 2484 2484
Dasà VV 3 1208 3692
Dinami VV 4 2168 5860
Arena VV 5 1456 7316
San Pietro di Caridà RC 6 1195 8511
Gerocarne VV 6 2248 10759
Soriano Calabro VV 7 2421 13180
Sorianello VV 7 1176 14356
Francica VV 7 1651 16007
Serrata RC 8 845 16852
Mileto VV 9 6763 23615
Candidoni RC 10 416 24031
San Gregorio d'Ippona VV 10 2527 26558
Pizzoni VV 10 1143 27701
Vazzano VV 11 1067 28768
San Costantino Calabro VV 11 2239 31007
Laureana di Borrello RC 11 5174 36181
Ionadi VV 11 4238 40419
Filandari VV 12 1853 42272
Stefanaconi VV 12 2494 44766
San Calogero VV 13 4315 49081
Galatro RC 13 1709 50790
Vibo Valentia VV 13 33941 84731
Feroleto della Chiesa RC 14 1695 86426
Rombiolo VV 14 4569 90995
Filogaso VV 14 1417 92412
Sant'Onofrio VV 14 3067 95479
Giffone RC 14 1907 97386
Serra San Bruno VV 15 6734 104120
Vallelonga VV 15 706 104826
Maropati RC 15 1524 106350
Mongiana VV 15 740 107090
Cessaniti VV 15 3290 110380
San Nicola da Crissa VV 15 1335 111715
Maierato VV 16 2188 113903
Fabrizia VV 16 2195 116098
Spadola VV 16 825 116923
Anoia RC 16 2212 119135
Simbario VV 16 966 120101
Brognaturo VV 16 735 120836
Limbadi VV 17 3695 124531
Melicucco RC 17 5101 129632
Capistrano VV 18 1042 130674
Rosarno RC 18 14841 145515
Cinquefrondi RC 18 6539 152054
Zungri VV 18 1976 154030
Pizzo VV 19 9278 163308
Polistena RC 19 10496 173804
Nardodipace VV 19 1305 175109
Nicotera VV 20 6290 181399
Monterosso Calabro VV 20 1729 183128

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km S of Lamezia Terme (70714 inhabitants)
53 Km SW of Catanzaro (90612 inhabitants)
67 Km NE of Messina (238439 inhabitants)
68 Km NE of Reggio di Calabria (183035 inhabitants)
81 Km S of Cosenza (67546 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 0.8 2021-09-27
15:51:08
38.5695 16.1592 11 2022-03-30
13:04:38
Bollettino Sismico Italiano INGV 101108911
Reviewed
Rev100
ML 0.6 2021-09-27
15:51:08
38.5845 16.1742 3 2021-09-27
16:05:18
Sala Sismica INGV-Roma 95951801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-27 15:51:08 ± 0.28
Latitude 38.5695 ± 0.0180
Longitude 16.1592 ± 0.0104
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101108911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2019
Semi-minor axis of confidence ellipse (meter) 687
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 192
Circular confidence region, given by single value of horizontal uncertainty (meter) 2020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 199
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 0.59445
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 95951801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-27 16:05:18

ML:0.8

Field Value
Value 0.8
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 101108911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-18 12:02:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHE. 2021-09-27T15:51:28.42 0.6 undecidable manual S 239 65.9895 50 0.29 43
IV.MSRU.HHE. 2021-09-27T15:51:18.99 0.3 undecidable manual P 239 65.9895 50 -0.64 59
IV.PLAC.HHZ. 2021-09-27T15:51:17.99 0.6 undecidable manual S 119 27.6501 50 0.09 48
IV.JOPP.HHZ. 2021-09-27T15:51:17.03 0.6 undecidable manual S 280 24.0537 50 0.08 49
IV.FERC.HHZ.00 2021-09-27T15:51:14.00 0.6 undecidable manual S 192 13.2756 129 0.03 50
IV.JOPP.HHZ. 2021-09-27T15:51:13.29 0.1 negative manual P 280 24.0537 50 0.11 97
IV.PLAC.HHZ. 2021-09-27T15:51:13.72 0.1 undecidable manual P 119 27.6501 50 -0.01 98
IV.FERC.HHZ.00 2021-09-27T15:51:11.51 0.1 undecidable manual P 192 13.2756 129 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHE. ML:0.7 0.0000298 0.08 AML other m 2021-09-27T15:51:13.30
IV.PLAC.HHE. ML:0.8 0.0000288 0.18 AML other m 2021-09-27T15:51:13.88
IV.FERC.HHE.00 ML:2.0 0.0011702673500000001 0.2304 AML other m 2021-09-27T15:51:14.21
IV.FERC.HHN.00 ML:2.1 0.0013550147500000001 0.2176 AML other m 2021-09-27T15:51:14.35
IV.JOPP.HHN. ML:0.9 0.00004495 0.72 AML other m 2021-09-27T15:51:17.21
IV.PLAC.HHN. ML:0.9 0.0000386 0.42 AML other m 2021-09-27T15:51:18.48
IV.SELL.HHE. ML:0.4 0.000003391425 0.5408 AML other m 2021-09-27T15:51:26.45
IV.SELL.HHN. ML:0.4 0.0000036279190000000003 1.2416 AML other m 2021-09-27T15:51:26.94
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