Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 03-03-2021 and time 14:24:16 (UTC) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude ML 1.4 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 03-03-2021 14:24:16 (UTC)
  • 03-03-2021 15:24:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1520, 15.5560 at 21 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
Messina ME 5 238439 238439
Reggio di Calabria RC 9 183035 421474
Villa San Giovanni RC 10 13784 435258
Campo Calabro RC 12 4536 439794
Saponara ME 12 3988 443782
Rometta ME 12 6650 450432
Fiumara RC 14 1018 451450
Villafranca Tirrena ME 14 8584 460034
Scaletta Zanclea ME 15 2140 462174
Monforte San Giorgio ME 15 2777 464951
Calanna RC 15 934 465885
Itala ME 15 1640 467525
Roccavaldina ME 16 1133 468658
Laganadi RC 17 413 469071
Valdina ME 17 1355 470426
San Roberto RC 17 1750 472176
Spadafora ME 18 5021 477197
San Pier Niceto ME 18 2837 480034
Sant'Alessio in Aspromonte RC 18 343 480377
Scilla RC 18 4964 485341
Torregrotta ME 18 7431 492772
Alì ME 18 768 493540
Venetico ME 18 3911 497451
Cardeto RC 20 1641 499092

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km S of Messina (238439 inhabitants)
9 Km NW of Reggio di Calabria (183035 inhabitants)
69 Km NE of Acireale (52622 inhabitants)
83 Km NE 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 1.4 2021-03-03
14:24:16		 38.1522 15.5557 21 2021-07-12
16:55:07		 Bollettino Sismico Italiano INGV 89359511
Reviewed
Rev100 		ML 1.4 2021-03-03
14:24:16		 38.1543 15.5513 19 2021-03-03
14:38:21		 Sala Sismica INGV-Roma 87669451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-03 14:24:16 ± 0.08
Latitude 38.1522 ± 0.0036
Longitude 15.5557 ± 0.0034
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89359511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 435
Semi-minor axis of confidence ellipse (meter) 128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 167
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.11781
Epicentral distance of station farthest from the epicenter (degree) 0.40020
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 89359511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-22 13:20:06

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 87669451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-03 14:38:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOI.EHN. 2021-03-03T14:24:30.59 0.6 undecidable manual S 101 44.4222 107 -0.45 43
IV.NOV.HHZ. 2021-03-03T14:24:29.50 0.6 undecidable manual S 249 39.1275 110 -0.2 47
IV.AIO.HHZ. 2021-03-03T14:24:28.60 0.6 undecidable manual S 235 34.6431 113 0.02 48
MN.CEL.HHZ. 2021-03-03T14:24:27.91 0.6 undecidable manual S 68 31.8459 116 0 49
IV.MILZ.HHZ. 2021-03-03T14:24:27.56 0.6 undecidable manual S 295 31.2465 116 -0.2 47
IV.MTTG.HHZ. 2021-03-03T14:24:25.39 0.6 undecidable manual S 143 20.7681 129 -0.01 50
IV.MPNC.HHZ. 2021-03-03T14:24:24.59 0.3 undecidable manual S 268 17.6712 134 -0.2 73
IV.SOI.EHN. 2021-03-03T14:24:24.70 0.1 undecidable manual P 101 44.4222 107 -0.11 93
IV.SICLA.EHZ. 2021-03-03T14:24:24.68 0.6 undecidable manual S 50 18.0708 134 -0.17 49
IV.NOV.HHZ. 2021-03-03T14:24:24.27 0.3 undecidable manual P 249 39.1275 110 0.23 69
IV.MSRU.HHZ. 2021-03-03T14:24:24.02 0.3 undecidable manual S 342 13.0758 144 0.05 74
IV.MILZ.HHZ. 2021-03-03T14:24:23.02 0.1 undecidable manual P 295 31.2465 116 0.1 96
MN.CEL.HHZ. 2021-03-03T14:24:23.32 0.3 undecidable manual P 68 31.8459 116 0.31 69
IV.AIO.HHZ. 2021-03-03T14:24:23.54 0.3 undecidable manual P 235 34.6431 113 0.14 71
IV.MTTG.HHZ. 2021-03-03T14:24:21.64 0.1 positive manual P 143 20.7681 129 0.08 98
IV.MPNC.HHZ. 2021-03-03T14:24:21.11 0.1 undecidable manual P 268 17.6712 134 -0.1 99
IV.SICLA.EHZ. 2021-03-03T14:24:21.22 0.1 undecidable manual P 50 18.0708 134 -0.02 100
IV.MSRU.HHZ. 2021-03-03T14:24:20.77 0.1 undecidable manual P 342 13.0758 144 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SICLA.EHN. ML:1.6 0.00022749999999999997 1.68 AML other m 2021-03-03T14:24:24.90
IV.SICLA.EHE. ML:1.4 0.00013900000000000002 0.32 AML other m 2021-03-03T14:24:25.18
IV.MPNC.HHN. ML:1.4 0.00014350000000000002 0.38 AML other m 2021-03-03T14:24:25.15
IV.MPNC.HHE. ML:1.3 0.000126 0.3 AML other m 2021-03-03T14:24:26.03
MN.CEL.HHN. ML:1.1 0.00005165 1.64 AML other m 2021-03-03T14:24:27.11
IV.MILZ.HHE. ML:2.0 0.00041349999999999997 0.32 AML other m 2021-03-03T14:24:27.99
IV.MILZ.HHN. ML:2.0 0.0003755 1.7 AML other m 2021-03-03T14:24:28.85
MN.CEL.HHE. ML:1.0 0.00004055 0.18 AML other m 2021-03-03T14:24:29.16
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