Earthquake (quarry blast) with magnitude of ML 1.0 on date 27-01-2022 and time 09:23:23 (UTC) in region 2 km SW San Marco d'Alunzio (ME)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 2 km SW San Marco d'Alunzio (ME), on

  • 27-01-2022 09:23:23 (UTC)
  • 27-01-2022 10:23:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0630, 14.6880 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
San Marco d'Alunzio ME 2 1996 1996
Militello Rosmarino ME 2 1324 3320
Torrenova ME 3 4386 7706
Sant'Agata di Militello ME 5 12624 20330
Alcara li Fusi ME 5 1980 22310
Frazzanò ME 5 711 23021
Capri Leone ME 5 4515 27536
Mirto ME 6 974 28510
Longi ME 7 1473 29983
San Salvatore di Fitalia ME 8 1319 31302
Galati Mamertino ME 8 2627 33929
Acquedolci ME 9 5744 39673
San Fratello ME 10 3707 43380
Castell'Umberto ME 11 3128 46508
Naso ME 11 3813 50321
Capo d'Orlando ME 12 13254 63575
Tortorici ME 13 6435 70010
Ficarra ME 13 1469 71479
Sinagra ME 14 2705 74184
Brolo ME 16 5783 79967
Ucria ME 17 1058 81025
Sant'Angelo di Brolo ME 18 3090 84115
Piraino ME 19 3962 88077
Raccuja ME 20 1041 89118

Municipalities with at least 50000 inhabitants

An earthquake occurred to
65 Km NW of Acireale (52622 inhabitants)
71 Km NW of Catania (314555 inhabitants)
77 Km W of Messina (238439 inhabitants)
84 Km W of Reggio di Calabria (183035 inhabitants)
84 Km NE of Caltanissetta (63360 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 1.0 2022-01-27
09:23:23
38.0632 14.6875 1 2022-07-08
12:33:44
Bollettino Sismico Italiano INGV 103209201
Reviewed
Rev100
ML 1.0 2022-01-27
09:23:22
38.1283 14.6417 14 2022-01-27
09:35:37
Sala Sismica INGV-Roma 100225611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-27 09:23:23 ± 1.77
Latitude 38.0632 ± 0.1736
Longitude 14.6875 ± 0.1302
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 103209201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 20110
Semi-minor axis of confidence ellipse (meter) 9800
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 20110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 3
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 2.85
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.14839
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 103209201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-14 16:18:41

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 100225611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-27 09:35:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILN.HNZ. 2022-01-27T09:25:08.95 3.0 negative manual Pn -2.86 0
CR.ZAG.BHZ. 2022-01-27T09:25:01.64 3.0 undecidable manual Pn -1.44 0
OT.OT14.EHZ. 2022-01-27T09:24:56.31 3.0 undecidable manual Sg 3.74 0
OT.OT05.EHZ. 2022-01-27T09:24:50.66 3.0 undecidable manual Sg 5.19 0
IV.FRON.EHZ. 2022-01-27T09:24:40.30 3.0 undecidable manual Pg 7.32 0
IV.NARO.HHZ. 2022-01-27T09:24:31.16 3.0 positive manual Pn -3.46 0
AC.VLO.HHZ. 2022-01-27T09:24:31.14 3.0 positive manual Pg 10.37 0
IV.SPS2.HHZ. 2022-01-27T09:24:03.75 3.0 undecidable manual Sn -1.58 0
IV.VVLD.HHZ. 2022-01-27T09:24:02.72 3.0 undecidable manual Pn -6.09 0
IT.ORP.HGZ. 2022-01-27T09:23:58.76 3.0 undecidable manual Pg -1.61 0
TV.GMB1.HHZ. 2022-01-27T09:23:37.53 3.0 positive manual Pg 1.04 0
IV.MUCR.HHZ. 2022-01-27T09:23:27.07 0.1 undecidable manual P 98 16.4724 92 0 99
IV.MILZ.HHZ. 2022-01-27T09:23:26.50 3.0 negative manual P -1.48 0
IV.MSFR.HHZ. 2022-01-27T09:23:25.58 0.1 undecidable manual P 249 8.9799 93 0 100
IV.MCPD.HHZ. 2022-01-27T09:23:25.25 0.3 undecidable manual P 31 7.3815 94 0 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHN. ML:1.0 0.0001023 0.94 AML other m 2022-01-27T09:23:31.60
IV.MUCR.HHE. ML:1.1 0.00013434489999999998 0.4224 AML other m 2022-01-27T09:23:31.96
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