Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 25-12-2020 and time 22:21:24 (UTC) in region 2 km NE Mazzarrà Sant'Andrea (ME)

A magnitude ML 1.4 earthquake occured in region: 2 km NE Mazzarrà Sant'Andrea (ME), on

  • 25-12-2020 22:21:24 (UTC)
  • 25-12-2020 23:21:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1000, 15.1520 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Mazzarrà Sant'Andrea ME 2 1531 1531
Rodì Milici ME 2 2056 3587
Furnari ME 2 3784 7371
Terme Vigliatore ME 4 7395 14766
Castroreale ME 5 2504 17270
Falcone ME 6 2808 20078
Tripi ME 7 873 20951
Barcellona Pozzo di Gotto ME 8 41583 62534
Oliveri ME 9 2181 64715
Basicò ME 9 612 65327
Novara di Sicilia ME 9 1337 66664
Merì ME 11 2338 69002
Santa Lucia del Mela ME 12 4650 73652
Fondachelli-Fantina ME 13 1019 74671
San Filippo del Mela ME 13 7115 81786
Montalbano Elicona ME 15 2287 84073
Milazzo ME 16 31646 115719
Antillo ME 16 919 116638
Gualtieri Sicaminò ME 16 1807 118445
Pace del Mela ME 16 6239 124684
Librizzi ME 17 1660 126344
Patti ME 17 13431 139775
San Piero Patti ME 17 2915 142690
Condrò ME 18 493 143183
Mandanici ME 18 601 143784
Montagnareale ME 18 1615 145399
San Pier Niceto ME 19 2837 148236

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Messina (238439 inhabitants)
43 Km W of Reggio di Calabria (183035 inhabitants)
54 Km N of Acireale (52622 inhabitants)
67 Km N of Catania (314555 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
Reviewed
Rev100 		ML 1.4 2020-12-25
22:21:24		 38.0995 15.1523 10 2020-12-25
22:36:11		 Sala Sismica INGV-Roma 85714351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-25 22:21:24 ± 0.05
Latitude 38.0995 ± 0.0036
Longitude 15.1523 ± 0.0046
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85714351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 361
Semi-minor axis of confidence ellipse (meter) 312
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 151
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76622
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 85714351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-25 22:36:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HHE. 2020-12-25T22:21:50.14 0.6 undecidable manual S 48 85.0482 50 0.4 41
IV.JOPP.HHE. 2020-12-25T22:21:39.41 0.3 undecidable manual P 48 85.0482 50 0.42 61
IV.IVPL.HHZ. 2020-12-25T22:21:36.44 0.6 undecidable manual S 334 34.1436 50 0.28 46
IV.MSRU.HHZ. 2020-12-25T22:21:36.30 0.3 undecidable manual S 59 36.0417 50 -0.34 68
IV.IVGP.HHE. 2020-12-25T22:21:36.44 0.6 undecidable manual S 333 36.9297 50 -0.46 44
IV.ECTS.HHZ. 2020-12-25T22:21:33.51 0.6 undecidable manual S 186 24.2535 112 0.12 48
IV.MSFR.HHE. 2020-12-25T22:21:33.49 0.1 undecidable manual P 262 49.5171 50 -0.01 95
IV.MUCR.HHZ. 2020-12-25T22:21:33.60 0.3 undecidable manual S 256 25.1526 111 -0.05 73
IV.MILZ.HHZ. 2020-12-25T22:21:32.23 0.3 undecidable manual S 20 20.2686 116 0.11 73
IV.IVGP.HHE. 2020-12-25T22:21:31.39 0.1 undecidable manual P 333 36.9297 50 -0.18 93
IV.MPNC.HHZ. 2020-12-25T22:21:31.50 0.1 undecidable manual S 73 18.2706 118 0.01 100
IV.IVPL.HHZ. 2020-12-25T22:21:31.25 0.1 undecidable manual P 334 34.1436 50 0.11 95
IV.MSRU.HHZ. 2020-12-25T22:21:31.32 0.3 undecidable manual P 59 36.0417 50 -0.1 71
IV.AIO.HHZ. 2020-12-25T22:21:30.51 0.1 undecidable manual S 154 15.873 122 -0.27 95
IV.MUCR.HHZ. 2020-12-25T22:21:29.72 0.1 undecidable manual P 256 25.1526 111 0.02 99
IV.ECTS.HHZ. 2020-12-25T22:21:29.76 0.1 undecidable manual P 186 24.2535 112 0.21 95
IV.AIO.HHZ. 2020-12-25T22:21:28.07 0.1 positive manual P 154 15.873 122 0.03 100
IV.MPNC.HHZ. 2020-12-25T22:21:28.52 0.1 positive manual P 73 18.2706 118 0.07 99
IV.MILZ.HHZ. 2020-12-25T22:21:28.62 0.1 undecidable manual P 20 20.2686 116 -0.19 96
IV.SICLA.EHZ. 2020-12-25T22:21:20.93 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHE. ML:1.5 0.0001915 0.24 AML other m 2020-12-25T22:21:33.76
IV.AIO.HHE. ML:1.6 0.0003772914 0.2304 AML other m 2020-12-25T22:21:30.75
IV.AIO.HHN. ML:1.6 0.0004093346 0.1152 AML other m 2020-12-25T22:21:30.78
IV.MPNC.HHE. ML:1.4 0.0001908025 0.2176 AML other m 2020-12-25T22:21:31.77
IV.MPNC.HHN. ML:1.4 0.00021242395 0.2176 AML other m 2020-12-25T22:21:31.68
IV.MILZ.HHE. ML:1.4 0.0001822137 0.1664 AML other m 2020-12-25T22:21:32.72
IV.MILZ.HHN. ML:1.1 0.000090164 0.256 AML other m 2020-12-25T22:21:32.78
IV.MUCR.HHE. ML:1.2 0.00009112714 0.1536 AML other m 2020-12-25T22:21:33.93
IV.MUCR.HHN. ML:1.1 0.00007801143499999999 0.256 AML other m 2020-12-25T22:21:34.38
IV.ECTS.HHN. ML:1.8 0.0003638424 0.2176 AML other m 2020-12-25T22:21:34.04
IV.MSRU.HHE. ML:1.3 0.00008298415 0.1408 AML other m 2020-12-25T22:21:36.84
IV.MSRU.HHN. ML:1.4 0.000091126215 0.128 AML other m 2020-12-25T22:21:37.05
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