Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 08-10-2021 and time 17:51:19 (Italy) in region 5 km E Reitano (ME)

A magnitude ML 1.5 earthquake occured in region: 5 km E Reitano (ME), on

  • 08-10-2021 15:51:19 (UTC)
  • 08-10-2021 17:51:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9850, 14.4040 at 5 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Reitano ME 5 806 806
Caronia ME 6 3364 4170
Santo Stefano di Camastra ME 6 4694 8864
Mistretta ME 7 4791 13655
Motta d'Affermo ME 9 739 14394
Pettineo ME 10 1350 15744
Castel di Lucio ME 13 1294 17038
Tusa ME 14 2925 19963
Capizzi ME 16 3176 23139
San Fratello ME 17 3707 26846
Acquedolci ME 18 5744 32590

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km NE of Caltanissetta (63360 inhabitants)
79 Km E of Bagheria (55387 inhabitants)
79 Km NW of Acireale (52622 inhabitants)
81 Km NW of Catania (314555 inhabitants)
92 Km E of Palermo (674435 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 1.5 2021-10-08
15:51:19		 37.9847 14.4038 5 2022-03-30
13:04:27		 Bollettino Sismico Italiano INGV 99440991
Reviewed
Rev100 		ML 1.9 2021-10-08
15:51:19		 38.0322 14.3918 8 2021-10-08
15:57:08		 Sala Sismica INGV-Roma 96349731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-08 15:51:19 ± 0.13
Latitude 37.9847 ± 0.0099
Longitude 14.4038 ± 0.0080
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99440991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1160
Semi-minor axis of confidence ellipse (meter) 620
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 346
Circular confidence region, given by single value of horizontal uncertainty (meter) 1160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.15558
Epicentral distance of station farthest from the epicenter (degree) 0.76352
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.6
Num. used stations 10
Type of magnitude ML
Reference to an origin 96349731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-08 15:57:08

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 99440991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-07 16:32:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHN. 2021-10-08T15:51:34.54 0.6 undecidable manual P 77 84.7485 50 -0.1 46
IV.ILOS.HHZ. 2021-10-08T15:51:33.30 0.6 undecidable manual P 43 69.7746 50 0.98 35
IV.MUCR.HHZ. 2021-10-08T15:51:33.70 1.0 undecidable manual S 81 41.625 97 -0.2 24
IV.IACL.HHE. 2021-10-08T15:51:31.92 0.3 undecidable manual P 356 60.9945 50 0.96 54
IV.GALF.HHZ. 2021-10-08T15:51:31.69 0.6 undecidable manual S 155 33.5442 98 0.54 45
IV.CSLB.HHZ. 2021-10-08T15:51:30.09 0.6 undecidable manual S 260 30.747 99 -0.08 51
IV.PETRA.HHZ. 2021-10-08T15:51:30.18 0.6 undecidable manual S 237 30.3474 99 0.13 50
IV.SCIAR.HNE. 2021-10-08T15:51:30.41 0.6 undecidable manual P 265 57.498 50 -0.01 49
IV.NOV.HHZ. 2021-10-08T15:51:30.81 0.3 undecidable manual P 86 64.1913 50 -0.66 61
IV.MUCR.HHZ. 2021-10-08T15:51:27.32 0.3 undecidable manual P 81 41.625 97 -0.44 69
IV.GALF.HHZ. 2021-10-08T15:51:26.29 0.1 undecidable manual P 155 33.5442 98 0.12 100
IV.GIB.HHE. 2021-10-08T15:51:25.96 0.3 undecidable manual P 271 33.0447 99 -0.11 75
IV.CSLB.HHZ. 2021-10-08T15:51:25.01 0.3 undecidable manual P 260 30.747 99 -0.59 67
IV.PETRA.HHZ. 2021-10-08T15:51:25.50 0.3 undecidable manual P 237 30.3474 99 -0.04 77
IV.MSFR.HHZ. 2021-10-08T15:51:25.06 0.6 undecidable manual S 72 17.2716 106 -0.56 46
IV.MSFR.HHZ. 2021-10-08T15:51:23.29 0.1 undecidable manual P 72 17.2716 106 0.31 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSLB.HHN. ML:1.0 0.0000524 0.42 AML other m 2021-10-08T15:51:30.40
IV.PETRA.HHN. ML:1.6 0.0002075 0.32 AML other m 2021-10-08T15:51:31.38
IV.CSLB.HHE. ML:1.0 0.00005640000000000001 1.04 AML other m 2021-10-08T15:51:33.06
IV.GALF.HHN. ML:1.8 0.00028050000000000004 0.28 AML other m 2021-10-08T15:51:33.37
IV.PETRA.HHE. ML:1.6 0.00020500000000000002 0.72 AML other m 2021-10-08T15:51:33.04
IV.GALF.HHE. ML:1.7 0.00022250000000000001 0.52 AML other m 2021-10-08T15:51:42.82
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