Earthquake with magnitude of ML 1.4 on date 26-08-2021 and time 18:43:58 (Italy) in region 9 km S Caronia (ME)

A magnitude ML 1.4 earthquake occured in region: 9 km S Caronia (ME), on

  • 26-08-2021 16:43:58 (UTC)
  • 26-08-2021 18:43:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9470, 14.4690 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Caronia ME 9 3364 3364
Mistretta ME 10 4791 8155
Capizzi ME 11 3176 11331
Reitano ME 11 806 12137
Santo Stefano di Camastra ME 13 4694 16831
San Fratello ME 14 3707 20538
Motta d'Affermo ME 15 739 21277
Castel di Lucio ME 15 1294 22571
Cerami EN 15 2006 24577
Pettineo ME 16 1350 25927
Acquedolci ME 16 5744 31671
Sant'Agata di Militello ME 20 12624 44295

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km NE of Caltanissetta (63360 inhabitants)
72 Km NW of Acireale (52622 inhabitants)
73 Km NW of Catania (314555 inhabitants)
85 Km E of Bagheria (55387 inhabitants)
99 Km E of Palermo (674435 inhabitants)
99 Km W of Messina (238439 inhabitants)
100 Km N of Gela (75827 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 2021-08-26
16:43:58
37.9467 14.4693 10 2021-08-26
16:54:17
Sala Sismica INGV-Roma 94671951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-26 16:43:58 ± 0.17
Latitude 37.9467 ± 0.0099
Longitude 14.4693 ± 0.0091
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 94671951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1009
Semi-minor axis of confidence ellipse (meter) 788
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 1
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.12950
Epicentral distance of station farthest from the epicenter (degree) 0.33275
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 94671951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-26 16:54:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2021-08-26T16:44:11.00 0.1 undecidable manual S 73 36.9297 50 0.09 99
IV.CSLB.HHZ. 2021-08-26T16:44:11.10 0.3 undecidable manual S 268 36.0417 50 0.44 69
IV.GALF.HHZ. 2021-08-26T16:44:08.60 0.1 undecidable manual S 162 27.5502 50 0.2 99
IV.MUCR.HHZ. 2021-08-26T16:44:05.23 0.3 negative manual P 73 36.9297 50 -0.38 70
IV.CSLB.HHZ. 2021-08-26T16:44:05.13 0.1 undecidable manual P 268 36.0417 50 -0.33 95
IV.GALF.HHZ. 2021-08-26T16:44:04.01 0.1 positive manual P 162 27.5502 50 -0.14 100
IV.MCPD.HHZ. 2021-08-26T16:44:04.50 1.0 negative manual P 50 29.8479 50 -0.01 26
IV.MSFR.HHZ. 2021-08-26T16:44:04.70 0.1 undecidable manual S 48 14.3745 125 0.26 100
IV.MSFR.HHZ. 2021-08-26T16:44:01.64 0.6 positive manual P 48 14.3745 125 -0.23 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHN. ML:1.5 0.00010875 0.96 AML other m 2021-08-26T16:44:11.02
IV.MUCR.HHE. ML:1.3 0.00006994999999999999 1.36 AML other m 2021-08-26T16:44:11.27
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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