Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 20-01-2022 and time 18:00:04 (Italy) in region 7 km SE Mistretta (ME)

A magnitude ML 0.8 earthquake occured in region: 7 km SE Mistretta (ME), on

  • 20-01-2022 17:00:04 (UTC)
  • 20-01-2022 18:00:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8840, 14.4120 at 3 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
Mistretta ME 7 4791 4791
Capizzi ME 7 3176 7967
Castel di Lucio ME 9 1294 9261
Reitano ME 12 806 10067
Cerami EN 12 2006 12073
Sperlinga EN 14 805 12878
Pettineo ME 14 1350 14228
Motta d'Affermo ME 15 739 14967
Nicosia EN 15 13899 28866
Santo Stefano di Camastra ME 16 4694 33560
Caronia ME 16 3364 36924
Tusa ME 19 2925 39849
San Mauro Castelverde PA 20 1701 41550
Troina EN 20 9373 50923

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NE of Caltanissetta (63360 inhabitants)
73 Km NW of Catania (314555 inhabitants)
73 Km W of Acireale (52622 inhabitants)
82 Km E of Bagheria (55387 inhabitants)
92 Km N of Gela (75827 inhabitants)
96 Km E of Palermo (674435 inhabitants)
97 Km NE of Agrigento (59770 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 2022-01-20
17:00:04		 37.8837 14.4117 3 2022-07-08
12:33:43		 Bollettino Sismico Italiano INGV 103129531
Reviewed
Rev100 		ML 0.8 2022-01-20
17:00:05		 37.8928 14.4098 1 2022-01-20
17:09:23		 Sala Sismica INGV-Roma 99987551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-20 17:00:04 ± 0.25
Latitude 37.8837 ± 0.0180
Longitude 14.4117 ± 0.0057
Depth (km) 3 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103129531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2029
Semi-minor axis of confidence ellipse (meter) 410
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 171
Circular confidence region, given by single value of horizontal uncertainty (meter) 2030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 215
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.20684
Epicentral distance of station farthest from the epicenter (degree) 0.39750
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 103129531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-12 17:08:36

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 99987551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-20 17:09:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2022-01-20T17:00:20.78 0.6 undecidable manual S 66 44.1225 94 0.44 45
IV.GIB.HHZ. 2022-01-20T17:00:17.67 1.0 undecidable manual S 289 35.742 95 0.24 24
IV.CSLB.HHZ. 2022-01-20T17:00:15.94 0.6 undecidable manual S 281 31.5462 95 -0.04 50
IV.PLLN.EHZ. 2022-01-20T17:00:14.29 1.0 undecidable manual S 297 26.4513 96 0.08 25
IV.MUCR.HHZ. 2022-01-20T17:00:13.88 0.3 undecidable manual P 66 44.1225 94 0.03 74
IV.MSFR.HHZ. 2022-01-20T17:00:12.93 0.6 undecidable manual S 43 22.9548 97 -0.08 51
IV.GIB.HHZ. 2022-01-20T17:00:12.25 0.3 undecidable manual P 289 35.742 95 0.08 74
IV.MCPD.HHZ. 2022-01-20T17:00:12.09 0.3 undecidable manual P 47 38.3283 94 -0.6 65
IV.CSLB.HHZ. 2022-01-20T17:00:11.19 0.3 undecidable manual P 281 31.5462 95 -0.14 74
IV.PLLN.EHZ. 2022-01-20T17:00:10.39 0.3 undecidable manual P 297 26.4513 96 0.08 75
IV.MSFR.HHZ. 2022-01-20T17:00:09.75 0.1 undecidable manual P 43 22.9548 97 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSFR.HHN. ML:0.8 0.000040224145 0.32 AML other m 2022-01-20T17:00:13.04
IV.MSFR.HHE. ML:0.6 0.000025857104999999997 0.4096 AML other m 2022-01-20T17:00:13.48
IV.PLLN.EHE. ML:1.0 0.00005523529 1.4112 AML other m 2022-01-20T17:00:14.90
IV.PLLN.EHN. ML:1.0 0.000058929949999999996 0.7712 AML other m 2022-01-20T17:00:15.01
IV.CSLB.HHN. ML:0.6 0.000017801605 0.2688 AML other m 2022-01-20T17:00:17.79
IV.CSLB.HHE. ML:0.3 0.000011944095 0.2816 AML other m 2022-01-20T17:00:18.92
IV.MUCR.HHE. ML:1.1 0.00003905 0.34 AML other m 2022-01-20T17:00:23.55
IV.MUCR.HHN. ML:1.0 0.000037320835 1.68 AML other m 2022-01-20T17:00:24.05
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