Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 07-07-2021 and time 00:57:11 (UTC) in region 9 km NE Capizzi (ME)

A magnitude ML 1.1 earthquake occured in region: 9 km NE Capizzi (ME), on

  • 07-07-2021 00:57:11 (UTC)
  • 07-07-2021 02:57:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8960, 14.5670 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
Capizzi ME 9 3176 3176
Cerami EN 11 2006 5182
Troina EN 13 9373 14555
San Teodoro ME 13 1403 15958
San Fratello ME 13 3707 19665
Cesarò ME 14 2439 22104
Acquedolci ME 18 5744 27848
Caronia ME 18 3364 31212
Mistretta ME 18 4791 36003
Alcara li Fusi ME 18 1980 37983
Militello Rosmarino ME 19 1324 39307

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km NW of Acireale (52622 inhabitants)
63 Km NE of Caltanissetta (63360 inhabitants)
63 Km NW of Catania (314555 inhabitants)
93 Km W of Messina (238439 inhabitants)
95 Km E of Bagheria (55387 inhabitants)
96 Km N of Gela (75827 inhabitants)
97 Km W of Reggio di Calabria (183035 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 1.1 2021-07-07
00:57:11		 37.8963 14.567 10 2021-07-07
01:04:46		 Sala Sismica INGV-Roma 92325311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-07 00:57:11 ± 0.16
Latitude 37.8963 ± 0.0081
Longitude 14.5670 ± 0.0182
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 92325311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1608
Semi-minor axis of confidence ellipse (meter) 313
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 1610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.13850
Epicentral distance of station farthest from the epicenter (degree) 0.66730
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 92325311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-07 01:04:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSLB.HHZ. 2021-07-07T00:57:25.41 1.0 undecidable manual S 276 44.8218 50 -0.6 21
IV.IFIL.HHZ. 2021-07-07T00:57:24.95 0.1 undecidable manual P 1 74.0703 50 0.62 80
IV.MCPD.HHZ. 2021-07-07T00:57:21.16 0.6 undecidable manual S 30 28.6491 50 -0.54 45
IV.CSLB.HHZ. 2021-07-07T00:57:19.25 0.3 undecidable manual P 276 44.8218 50 -0.56 64
IV.GALF.HHZ. 2021-07-07T00:57:19.35 0.6 undecidable manual S 180 20.5683 116 0.07 50
IV.PLLN.EHZ. 2021-07-07T00:57:19.43 0.1 undecidable manual P 286 38.628 50 0.57 87
IV.MSFR.HHZ. 2021-07-07T00:57:17.86 0.1 undecidable manual S 8 15.3735 123 0.15 100
IV.MUCR.HHZ. 2021-07-07T00:57:17.46 1.0 positive manual P 59 31.3464 50 -0.29 24
IV.EPZF.HHZ. 2021-07-07T00:57:17.77 0.6 positive manual P 107 26.6511 50 0.76 41
IV.MCPD.HHZ. 2021-07-07T00:57:17.02 0.1 undecidable manual P 30 28.6491 50 -0.3 95
IV.GALF.HHZ. 2021-07-07T00:57:15.75 0.1 undecidable manual P 180 20.5683 116 -0.18 99
IV.MSFR.HHZ. 2021-07-07T00:57:14.79 0.1 undecidable manual P 8 15.3735 123 -0.23 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSFR.HHN. ML:0.8 0.00006570000000000001 1.08 AML other m 2021-07-07T00:57:19.60
IV.MSFR.HHE. ML:0.8 0.0000537 1.48 AML other m 2021-07-07T00:57:19.10
IV.GALF.HHE. ML:1.7 0.0003415 1.5 AML other m 2021-07-07T00:57:21.11
IV.MCPD.HHE. ML:1.0 0.000055849999999999996 0.56 AML other m 2021-07-07T00:57:21.84
IV.MCPD.HHN. ML:1.2 0.0000818 1.44 AML other m 2021-07-07T00:57:21.84
IV.GALF.HHN. ML:1.7 0.00032999999999999994 0.62 AML other m 2021-07-07T00:57:26.45
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