Earthquake with magnitude of ML 1.6 on date 01-12-2021 and time 23:56:13 (UTC) in region 3 km W Maniace (CT)

A magnitude ML 1.6 earthquake occured in region: 3 km W Maniace (CT), on

  • 01-12-2021 23:56:13 (UTC)
  • 02-12-2021 00:56:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8600, 14.7760 at 18 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
Maniace CT 3 3765 3765
CesarĂ² ME 6 2439 6204
San Teodoro ME 7 1403 7607
Maletto CT 9 3920 11527
Bronte CT 9 19172 30699
Randazzo CT 15 10900 41599
Troina EN 17 9373 50972
Santa Domenica Vittoria ME 18 980 51952
Floresta ME 19 485 52437
Longi ME 19 1473 53910
Alcara li Fusi ME 19 1980 55890
Galati Mamertino ME 19 2627 58517
Tortorici ME 20 6435 64952

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Acireale (52622 inhabitants)
48 Km NW of Catania (314555 inhabitants)
75 Km NE of Caltanissetta (63360 inhabitants)
78 Km SW of Messina (238439 inhabitants)
81 Km W of Reggio di Calabria (183035 inhabitants)
100 Km NE of Gela (75827 inhabitants)
100 Km NW 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 1.6 2021-12-01
23:56:13
37.8597 14.7763 18 2022-03-30
13:04:35
Bollettino Sismico Italiano INGV 100649891
Reviewed
Rev100
ML 1.7 2021-12-01
23:56:13
37.8785 14.7698 11 2021-12-02
02:38:51
Sala Sismica INGV-Roma 98032111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-01 23:56:13 ± 0.21
Latitude 37.8597 ± 0.0090
Longitude 14.7763 ± 0.0125
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100649891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1060
Semi-minor axis of confidence ellipse (meter) 727
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 1060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.57197
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 100649891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-11 15:46:46

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 98032111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-02 00:07:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ECTS.HHZ. 2021-12-01T23:56:25.10 0.3 undecidable manual S 85 30.2475 109 0.71 64
IV.MCPD.HHZ. 2021-12-01T23:56:24.27 0.3 undecidable manual S 352 29.1486 110 0.17 72
IV.CSLB.HHZ. 2021-12-01T23:56:24.91 1.0 undecidable manual P 278 63.492 97 0.09 23
IV.MPNC.HHZ. 2021-12-01T23:56:24.05 0.1 undecidable manual P 58 59.5959 98 -0.17 93
IV.GALF.HHZ. 2021-12-01T23:56:23.89 0.3 undecidable manual S 228 24.753 115 0.87 57
IV.MUCR.HHZ. 2021-12-01T23:56:22.35 0.3 undecidable manual S 23 22.0668 119 -0.02 77
IV.NOV.HHZ. 2021-12-01T23:56:21.13 0.6 undecidable manual P 59 36.6411 105 0.39 46
IV.EPZF.HHZ. 2021-12-01T23:56:20.01 0.3 undecidable manual S 119 8.0808 151 0.34 74
IV.EPIT.HHZ. 2021-12-01T23:56:19.50 0.1 undecidable manual P 102 25.1526 114 0.43 93
IV.ESCV.HHZ. 2021-12-01T23:56:19.94 0.3 undecidable manual S 165 12.9759 137 -0.5 69
IV.EMNR.HHZ. 2021-12-01T23:56:19.02 1.0 undecidable manual P 102 22.3554 118 0.33 24
IV.ECHR.HNZ. 2021-12-01T23:56:19.30 1.0 undecidable manual P 148 22.6551 118 0.57 22
IV.ECTS.HHZ. 2021-12-01T23:56:19.68 0.1 undecidable manual P 85 30.2475 109 -0.13 98
IV.MCPD.HHZ. 2021-12-01T23:56:19.44 0.1 undecidable manual P 352 29.1486 110 -0.2 99
IV.MUCR.HHZ. 2021-12-01T23:56:18.40 0.1 undecidable manual P 23 22.0668 119 -0.25 98
IV.GALF.HHZ. 2021-12-01T23:56:18.85 0.1 undecidable manual P 228 24.753 115 -0.16 100
IV.ECZM.HHZ. 2021-12-01T23:56:17.92 0.6 undecidable manual P 142 18.1707 125 -0.21 49
IV.EPZF.HHZ. 2021-12-01T23:56:16.81 0.1 undecidable manual P 119 8.0808 151 -0.27 99
IV.ESCV.HHZ. 2021-12-01T23:56:16.81 0.1 undecidable manual P 165 12.9759 137 -0.72 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHN. ML:2.2 0.0013334005 0.384 AML other m 2021-12-01T23:56:20.84
IV.ESCV.HHN. ML:2.0 0.0007515005500000001 1.7568 AML other m 2021-12-01T23:56:21.95
IV.EPZF.HHE. ML:2.2 0.00125 0.42 AML other m 2021-12-01T23:56:21.05
IV.MUCR.HHE. ML:1.4 0.00015325995000000002 0.4352 AML other m 2021-12-01T23:56:22.41
IV.MUCR.HHN. ML:1.3 0.00012141445 0.4096 AML other m 2021-12-01T23:56:22.55
IV.ESCV.HHE. ML:2.1 0.0009905168 0.1792 AML other m 2021-12-01T23:56:22.55
IV.GALF.HHN. ML:1.6 0.0002196323 0.3968 AML other m 2021-12-01T23:56:23.94
IV.GALF.HHE. ML:1.4 0.00014174735 0.8448 AML other m 2021-12-01T23:56:23.75
IV.MCPD.HHE. ML:1.6 0.00017749999999999998 0.4 AML other m 2021-12-01T23:56:24.59
IV.MCPD.HHN. ML:1.4 0.00009815 0.42 AML other m 2021-12-01T23:56:24.38
IV.ECTS.HHE. ML:1.6 0.00016 0.22 AML other m 2021-12-01T23:56:26.08
IV.ECTS.HHN. ML:1.4 0.000112803095 0.2688 AML other m 2021-12-01T23:56:27.14
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