Earthquake with magnitude of ML 1.6 on date 10-08-2021 and time 01:54:56 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.6 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 10-08-2021 01:54:56 (UTC)
  • 10-08-2021 03:54:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2330, 15.0410 at 9 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Oliveri ME 12 2181 2181
Patti ME 12 13431 15612
Falcone ME 13 2808 18420
Montagnareale ME 14 1615 20035
Gioiosa Marea ME 15 7074 27109
Terme Vigliatore ME 15 7395 34504
Furnari ME 16 3784 38288
Librizzi ME 17 1660 39948
Piraino ME 17 3962 43910
Rodì Milici ME 18 2056 45966
Milazzo ME 18 31646 77612
Mazzarrà Sant'Andrea ME 18 1531 79143
Barcellona Pozzo di Gotto ME 18 41583 120726
Basicò ME 19 612 121338
Sant'Angelo di Brolo ME 19 3090 124428
Merì ME 19 2338 126766

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km W of Messina (238439 inhabitants)
55 Km W of Reggio di Calabria (183035 inhabitants)
70 Km N of Acireale (52622 inhabitants)
81 Km N of Catania (314555 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 1.6 2021-08-10
01:54:56
38.2328 15.0408 9 2021-12-29
11:12:32
Bollettino Sismico Italiano INGV 95843361
Reviewed
Rev100
ML 1.6 2021-08-10
01:54:56
38.2233 15.047 8 2021-08-10
02:01:13
Sala Sismica INGV-Roma 93904131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-10 01:54:56 ± 0.08
Latitude 38.2328 ± 0.0054
Longitude 15.0408 ± 0.0069
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95843361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 408
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.15109
Epicentral distance of station farthest from the epicenter (degree) 0.49283
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 95843361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-24 19:04:56

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 93904131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-10 02:01:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2021-08-10T01:55:09.71 0.3 undecidable manual S 85 40.8258 50 -0.41 66
IV.IFIL.HHZ. 2021-08-10T01:55:07.15 0.3 undecidable manual P 312 54.7008 50 0.71 59
IV.AIO.HHZ. 2021-08-10T01:55:07.91 0.6 undecidable manual S 150 33.5442 50 -0.25 46
IV.MCPD.HHZ. 2021-08-10T01:55:06.37 0.3 undecidable manual S 245 29.748 50 -0.79 59
IV.ILOS.HHZ. 2021-08-10T01:55:06.15 1.0 undecidable manual S 341 24.9528 111 0.51 22
IV.MPNC.HHZ. 2021-08-10T01:55:06.72 0.6 undecidable manual S 109 28.8489 50 -0.19 47
IV.NOV.HHE. 2021-08-10T01:55:05.28 0.6 undecidable manual S 160 24.2535 111 -0.13 48
IV.MSFR.HHZ. 2021-08-10T01:55:05.20 0.3 undecidable manual P 241 45.0216 50 0.25 68
IV.MUCR.HHZ. 2021-08-10T01:55:05.33 0.6 undecidable manual S 215 25.6521 110 -0.52 44
IV.MSRU.HHZ. 2021-08-10T01:55:04.20 0.1 positive manual P 85 40.8258 50 -0.12 94
IV.ECTS.HHZ. 2021-08-10T01:55:04.95 0.1 undecidable manual P 170 39.5271 50 0.84 76
IV.IVGP.HHZ. 2021-08-10T01:55:03.27 0.6 undecidable manual S 339 19.4694 116 -0.62 43
IV.IVUG.HHZ. 2021-08-10T01:55:03.17 0.6 undecidable manual S 345 18.6702 117 -0.49 45
IV.IVPL.HHZ. 2021-08-10T01:55:03.03 0.1 undecidable manual S 342 16.7721 119 -0.03 100
IV.AIO.HHZ. 2021-08-10T01:55:03.44 0.1 undecidable manual P 150 33.5442 50 0.26 93
IV.MILZ.HHZ. 2021-08-10T01:55:02.97 0.6 undecidable manual S 76 17.1717 119 -0.2 48
IV.MPNC.HHZ. 2021-08-10T01:55:02.33 0.1 positive manual P 109 28.8489 50 -0.13 96
IV.MCPD.HHZ. 2021-08-10T01:55:02.44 0.3 undecidable manual P 245 29.748 50 -0.17 71
IV.ILOS.HHZ. 2021-08-10T01:55:02.67 0.6 undecidable manual P 341 24.9528 111 0.94 37
IV.NOV.HHE. 2021-08-10T01:55:01.78 0.3 undecidable manual P 160 24.2535 111 0.18 72
IV.MUCR.HHZ. 2021-08-10T01:55:01.86 0.1 negative manual P 215 25.6521 110 0.01 99
IV.IVPL.HHZ. 2021-08-10T01:55:00.42 0.1 negative manual P 342 16.7721 119 0.18 97
IV.MILZ.HHZ. 2021-08-10T01:55:00.42 0.1 positive manual P 76 17.1717 119 0.12 98
IV.IVGP.HHZ. 2021-08-10T01:55:00.57 0.1 negative manual P 339 19.4694 116 -0.15 97
IV.IVUG.HHZ. 2021-08-10T01:55:00.60 0.1 undecidable manual P 345 18.6702 117 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MILZ.HHN. ML:1.5 0.00026638225 0.1216 AML other m 2021-08-10T01:55:03.26
IV.MILZ.HHE. ML:2.1 0.001143 0.42 AML other m 2021-08-10T01:55:03.35
IV.IVPL.HHE. ML:1.8 0.0006080266 0.1408 AML other m 2021-08-10T01:55:03.43
IV.MUCR.HHE. ML:1.4 0.00016549999999999998 0.3 AML other m 2021-08-10T01:55:05.82
IV.IVPL.HHN. ML:1.8 0.00050407585 0.12 AML other m 2021-08-10T01:55:03.70
IV.MPNC.HHN. ML:1.4 0.00013456793 0.3408 AML other m 2021-08-10T01:55:07.20
IV.MUCR.HHN. ML:1.8 0.00032799999999999995 0.38 AML other m 2021-08-10T01:55:07.16
IV.MCPD.HHE. ML:1.5 0.00014000000000000001 0.5 AML other m 2021-08-10T01:55:07.82
IV.ILOS.HHE. ML:1.7 0.000292709 0.2992 AML other m 2021-08-10T01:55:07.85
IV.MCPD.HHN. ML:1.2 0.0000858556 0.2 AML other m 2021-08-10T01:55:06.95
IV.MPNC.HHE. ML:1.4 0.000123770545 0.3808 AML other m 2021-08-10T01:55:08.50
IV.ILOS.HHN. ML:1.9 0.000453 0.32 AML other m 2021-08-10T01:55:10.31
IV.MSRU.HHN. ML:1.5 0.000111 0.14 AML other m 2021-08-10T01:55:10.41
IV.MSRU.HHE. ML:1.5 0.00011300000000000001 0.34 AML other m 2021-08-10T01:55:11.81
IV.MSFR.HHE. ML:0.0 0.000026056154999999997 0.32 AML other m 2021-08-10T01:55:13.49
IV.MSFR.HHN. ML:0.0 0.00002810967 0.5008 AML other m 2021-08-10T01:55:13.57
IV.ILOS.HNE. ML:1.6 0.00025556630000000003 0.5104 AML other m 2021-08-10T01:55:12.05
IV.ILOS.HNN. ML:1.7 0.0002996254 0.9504 AML other m 2021-08-10T01:55:08.22
IV.IFIL.HHE. ML:0.0 0.0003216866 0.24 AML other m 2021-08-10T01:55:17.12
IV.IFIL.HHN. ML:0.0 0.00014724685 0.2592 AML other m 2021-08-10T01:55:16.98
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