Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 27-08-2021 and time 05:14:22 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 2.0 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 27-08-2021 03:14:22 (UTC)
  • 27-08-2021 05:14:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3600, 15.3810 at 123 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.

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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
Villafranca Tirrena ME 14 8584 8584
Spadafora ME 15 5021 13605
Venetico ME 16 3911 17516
Valdina ME 18 1355 18871
Torregrotta ME 19 7431 26302
Saponara ME 19 3988 30290
Milazzo ME 20 31646 61936
Roccavaldina ME 20 1133 63069

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Messina (238439 inhabitants)
36 Km NW of Reggio di Calabria (183035 inhabitants)
85 Km N of Acireale (52622 inhabitants)
99 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 2.0 2021-08-27
03:14:22		 38.3598 15.3807 123 2021-12-29
11:12:23		 Bollettino Sismico Italiano INGV 94813841
Reviewed
Rev100 		ML 2.0 2021-08-27
03:14:22		 38.4092 15.4092 121 2021-08-27
03:20:49		 Sala Sismica INGV-Roma 94686831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-27 03:14:22 ± 0.35
Latitude 38.3598 ± 0.0243
Longitude 15.3807 ± 0.0252
Depth (km) 123 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94813841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2369
Semi-minor axis of confidence ellipse (meter) 1793
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 154
Circular confidence region, given by single value of horizontal uncertainty (meter) 2370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 23
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 4.83925
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 94686831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-27 03:20:49

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 94813841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-30 09:41:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2021-08-27T03:15:55.38 3.0 undecidable manual Sn -5.02 0
IV.AMUR.HHZ. 2021-08-27T03:15:37.41 3.0 undecidable manual Sn 1.83 0
CR.STON.BHZ. 2021-08-27T03:15:33.84 3.0 negative manual P 537.1623 -0.59 0
MN.CLTB.HHZ. 2021-08-27T03:15:21.05 3.0 undecidable manual Sn 0.13 0
IV.HVIT.HHZ. 2021-08-27T03:15:20.85 3.0 undecidable manual Sg 6.32 0
IV.GIZZ.HHZ. 2021-08-27T03:14:59.20 1.0 undecidable manual S 46 99.3228 138 -0.76 18
IX.SCL3.EHZ.02 2021-08-27T03:14:57.17 3.0 negative manual P 259.2405 -3.77 0
IV.SOI.EHZ. 2021-08-27T03:14:55.30 1.0 undecidable manual S 118 66.7776 149 -0.47 22
IV.AIO.HHZ. 2021-08-27T03:14:54.50 3.0 undecidable manual S 197 45.0216 158 0.82 0
IV.MTTG.HHZ. 2021-08-27T03:14:54.20 1.0 undecidable manual S 145 48.4182 157 0.24 23
IV.JOPP.HHZ. 2021-08-27T03:14:53.20 3.0 undecidable manual S 58 51.7038 155 -1.05 0
IV.MPNC.HHZ. 2021-08-27T03:14:52.50 0.6 undecidable manual S 186 23.754 168 0.14 50
IV.MSRU.HHZ. 2021-08-27T03:14:51.00 3.0 undecidable manual S 134 15.3735 172 -1.05 0
IV.CET2.HHZ. 2021-08-27T03:14:48.11 1.0 undecidable manual P 21 138.7611 128 0.37 19
IV.SELL.HHZ. 2021-08-27T03:14:47.06 0.6 undecidable manual P 57 128.2716 130 0.34 39
IV.SPS2.HHZ. 2021-08-27T03:14:46.57 3.0 negative manual P 132.3675 -0.55 0
IV.SSY.HHZ. 2021-08-27T03:14:46.65 3.0 positive manual P 136.0638 -0.82 0
IV.HLNI.HHZ. 2021-08-27T03:14:45.39 0.1 positive manual P 202 120.6903 132 -0.62 74
IV.HAGA.HHZ. 2021-08-27T03:14:45.00 1.0 undecidable manual P 189 120.8901 132 -1.03 15
IV.PLAC.HHE. 2021-08-27T03:14:44.03 0.6 undecidable manual P 84 92.4408 140 0.47 41
IV.GIZZ.HHZ. 2021-08-27T03:14:43.99 0.3 undecidable manual P 46 99.3228 138 -0.13 65
IV.EPIT.HHZ. 2021-08-27T03:14:42.48 0.6 undecidable manual P 205 67.0773 149 0.75 39
IV.SOI.EHZ. 2021-08-27T03:14:41.66 0.1 negative manual P 118 66.7776 149 -0.05 94
IV.MUCR.HHZ. 2021-08-27T03:14:41.25 0.3 undecidable manual P 232 56.499 153 0.16 70
IV.FERC.HNN. 2021-08-27T03:14:41.75 1.0 undecidable manual P 81 65.7897 150 0.11 23
IV.NOV.HHZ. 2021-08-27T03:14:41.07 0.3 undecidable manual P 210 42.5241 159 0.68 62
IV.AIO.HHZ. 2021-08-27T03:14:41.02 0.3 undecidable manual P 197 45.0216 158 0.52 66
IV.MTTG.HHZ. 2021-08-27T03:14:40.86 0.1 negative manual P 145 48.4182 157 0.2 95
IV.IVUG.HHZ. 2021-08-27T03:14:40.11 0.3 undecidable manual P 277 34.5432 163 0.04 75
IV.JOPP.HHZ. 2021-08-27T03:14:40.62 0.6 undecidable manual P 58 51.7038 155 -0.21 47
IV.IVPL.HHZ. 2021-08-27T03:14:40.12 0.1 negative manual P 273 34.9428 163 0.04 100
IV.MSRU.HHZ. 2021-08-27T03:14:39.10 0.1 negative manual P 134 15.3735 172 -0.46 95
IV.MPNC.HHZ. 2021-08-27T03:14:39.47 0.3 undecidable manual P 186 23.754 168 -0.27 73
IV.MILZ.HHZ. 2021-08-27T03:14:39.30 0.1 undecidable manual P 233 16.2726 172 -0.27 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:0.0 0.00002627314 1.6 AML other m 2021-08-27T03:14:55.72
IV.AIO.HHN. ML:0.0 0.00004074416 1.8608 AML other m 2021-08-27T03:14:56.39
IV.JOPP.HNN. ML:0.0 0.000104 1.14 AML other m 2021-08-27T03:14:54.77
IV.JOPP.HNE. ML:0.0 0.00008755 0.42 AML other m 2021-08-27T03:14:55.30
IV.SOI.EHE. ML:0.0 0.0000606 0.44 AML other m 2021-08-27T03:14:55.58
IV.SOI.EHN. ML:0.0 0.0000528 1.16 AML other m 2021-08-27T03:14:56.61
IX.SCL3.EHN.02 ML:3.7 0.0006680000000000001 0.74 AML other m 2021-08-27T03:15:05.96
IV.SPS2.HHN. ML:0.0 0.0000197 0.6 AML other m 2021-08-27T03:15:07.12
IV.SPS2.HHE. ML:0.0 0.0000159 0.24 AML other m 2021-08-27T03:15:08.38
IX.SCL3.EHE.02 ML:3.5 0.000465 0.06 AML other m 2021-08-27T03:15:20.27
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
Waveforms Seismic signals in miniseed + resp format Download