Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 01-12-2020 and time 06:04:11 (Italy) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude ML 1.3 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 01-12-2020 05:04:11 (UTC)
  • 01-12-2020 06:04:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.9510, 15.4060 at 8 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
Furci Siculo ME 3 3382 3382
Roccalumera ME 3 4141 7523
Santa Teresa di Riva ME 3 9377 16900
Nizza di Sicilia ME 4 3667 20567
Savoca ME 6 1732 22299
Pagliara ME 6 1170 23469
Alì Terme ME 6 2539 26008
Sant'Alessio Siculo ME 6 1554 27562
Casalvecchio Siculo ME 7 842 28404
Forza d'Agrò ME 7 911 29315
Alì ME 9 768 30083
Fiumedinisi ME 9 1409 31492
Mandanici ME 10 601 32093
Gallodoro ME 11 367 32460
Scaletta Zanclea ME 11 2140 34600
Itala ME 12 1640 36240
Limina ME 12 836 37076
Letojanni ME 12 2861 39937
Roccafiorita ME 12 197 40134
Mongiuffi Melia ME 13 600 40734
Antillo ME 14 919 41653
Castelmola ME 15 1088 42741
Taormina ME 15 10960 53701
Giardini-Naxos ME 17 9415 63116
Graniti ME 17 1492 64608
Gaggi ME 19 3184 67792

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Reggio di Calabria (183035 inhabitants)
30 Km SW of Messina (238439 inhabitants)
43 Km NE of Acireale (52622 inhabitants)
57 Km NE of Catania (314555 inhabitants)
100 Km N of Siracusa (122291 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 2020-12-01
05:04:11		 37.9512 15.4055 8 2021-02-26
14:56:17		 Bollettino Sismico Italiano INGV 86656301
Reviewed
Rev100 		ML 1.3 2020-12-01
05:04:11		 37.9435 15.3958 9 2020-12-01
05:12:43		 Sala Sismica INGV-Roma 85120991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-01 05:04:11 ± 0.12
Latitude 37.9512 ± 0.0063
Longitude 15.4055 ± 0.0068
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86656301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 667
Semi-minor axis of confidence ellipse (meter) 516
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 313
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 13
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49283
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 86656301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-28 14:07:59

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 85120991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-01 05:12:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RMP.HHZ. 2020-12-01T05:06:00.58 3.0 undecidable manual Sn -2.81 0
IV.RIBO.EHZ.01 2020-12-01T05:05:28.14 3.0 positive manual Pn -4.16 0
XK.ALB1.HHZ. 2020-12-01T05:04:59.59 3.0 undecidable manual Sn 1.14 0
IV.MRVN.HHZ. 2020-12-01T05:04:57.99 3.0 undecidable manual Pn 0.51 0
MN.CLTB.HHZ. 2020-12-01T05:04:26.44 3.0 undecidable manual Pg 0.18 0
IV.MILZ.HHN. 2020-12-01T05:04:24.73 0.6 undecidable manual S 337 38.628 50 -0.24 62
IV.MSRU.HHZ. 2020-12-01T05:04:24.63 0.6 undecidable manual S 14 35.8419 50 0.4 60
MN.CEL.HNZ. 2020-12-01T05:04:22.07 0.3 undecidable manual P 51 54.7008 50 0.27 90
IV.MTTG.HHZ. 2020-12-01T05:04:21.40 0.6 undecidable manual S 77 26.3514 108 0.18 64
IV.EFIU.HHE. 2020-12-01T05:04:20.98 0.6 undecidable manual S 224 24.753 109 0.3 63
IV.MPNC.HHZ. 2020-12-01T05:04:20.18 0.3 undecidable manual S 348 22.1556 111 0.35 94
IV.MILZ.HHN. 2020-12-01T05:04:19.40 0.3 undecidable manual P 337 38.628 50 0.08 97
IV.MSRU.HHZ. 2020-12-01T05:04:18.57 0.3 undecidable manual P 14 35.8419 50 -0.32 92
IV.AIO.HHZ. 2020-12-01T05:04:17.76 0.3 undecidable manual S 278 15.2736 119 0.11 100
IV.MPNC.HHZ. 2020-12-01T05:04:16.06 0.3 undecidable manual P 348 22.1556 111 -0.3 95
IV.EFIU.HHE. 2020-12-01T05:04:16.96 0.3 undecidable manual P 224 24.753 109 0.11 98
IV.MTTG.HHZ. 2020-12-01T05:04:16.86 0.3 undecidable manual P 77 26.3514 108 -0.3 94
IV.AIO.HHZ. 2020-12-01T05:04:14.66 0.3 undecidable manual P 278 15.2736 119 -0.44 93
IV.RAFF.HHZ. 2020-12-01T05:04:14.31 3.0 undecidable manual P -0.53 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:1.3 0.00018574004999999998 0.1792 AML other m 2020-12-01T05:04:18.61
IV.AIO.HHN. ML:1.6 0.0004052896 1.7792 AML other m 2020-12-01T05:04:19.91
IV.MPNC.HHN. ML:1.5 0.00022177655 0.1824 AML other m 2020-12-01T05:04:21.75
IV.MPNC.HHE. ML:1.5 0.0002417841 1.7184 AML other m 2020-12-01T05:04:21.07
IV.MTTG.HHE. ML:0.7 0.000028109420000000004 0.24 AML other m 2020-12-01T05:04:22.10
IV.MTTG.HHN. ML:1.0 0.000055309885 1.5808 AML other m 2020-12-01T05:04:23.20
IV.MSRU.HHN. ML:1.2 0.000068531645 0.2016 AML other m 2020-12-01T05:04:25.22
IV.MSRU.HHE. ML:1.2 0.0000617866845 0.1984 AML other m 2020-12-01T05:04:25.81
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