Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 15-05-2021 and time 01:06:19 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 15-05-2021 01:06:19 (UTC)
  • 15-05-2021 03:06:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4730, 15.4470 at 131 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km N of Messina (238439 inhabitants)
44 Km NW of Reggio di Calabria (183035 inhabitants)
94 Km SW of Lamezia Terme (70714 inhabitants)
99 Km N of Acireale (52622 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 2.2 2021-05-15
01:06:19		 38.4728 15.4467 131 2021-12-29
11:12:02		 Bollettino Sismico Italiano INGV 90689881
Reviewed
Rev100 		ML 2.2 2021-05-15
01:06:19		 38.4718 15.4538 132 2021-05-15
01:19:42		 Sala Sismica INGV-Roma 90105471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-15 01:06:19 ± 0.2
Latitude 38.4728 ± 0.0117
Longitude 15.4467 ± 0.0184
Depth (km) 131 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90689881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1529
Semi-minor axis of confidence ellipse (meter) 1100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 127
Circular confidence region, given by single value of horizontal uncertainty (meter) 1530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.30582
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 90689881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-01 09:46:14

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 90105471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-15 01:19:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRIS.EHE. 2021-05-15T01:07:06.00 0.1 undecidable manual S 14 144.9438 129 0.49 71
IV.ESAL.HHZ. 2021-05-15T01:06:57.59 3.0 undecidable manual S -0.25 0
IV.GIZZ.HHE. 2021-05-15T01:06:56.40 0.1 undecidable manual S 49 86.6466 144 -0.35 85
IV.IFIL.HHE. 2021-05-15T01:06:55.11 1.0 undecidable manual S 278 76.2681 147 -0.39 21
IV.SOI.EHZ. 2021-05-15T01:06:54.50 0.6 undecidable manual S 130 68.9754 150 -0.19 45
IV.FERC.HNE. 2021-05-15T01:06:53.80 0.1 undecidable manual S 92 59.1963 154 0.11 94
IV.MTTG.HHZ. 2021-05-15T01:06:53.66 0.3 undecidable manual S 157 56.5989 155 0.22 69
IV.JOPP.HHE. 2021-05-15T01:06:52.00 0.6 undecidable manual S 69 40.9257 161 -0.18 48
MN.CEL.HHZ. 2021-05-15T01:06:52.70 0.3 undecidable manual S 121 45.5211 159 0.19 71
IV.MPNC.HHE. 2021-05-15T01:06:52.10 0.1 undecidable manual S 193 37.1295 163 0.17 97
IV.SICLA.EHE. 2021-05-15T01:06:51.70 0.1 undecidable manual S 136 33.4443 165 -0.01 100
IV.MSRU.HHE. 2021-05-15T01:06:51.00 0.1 undecidable manual S 167 23.754 169 -0.23 97
IV.ESAL.HHZ. 2021-05-15T01:06:47.60 3.0 undecidable manual P 0.34 0
IV.GRIS.EHE. 2021-05-15T01:06:46.11 0.1 undecidable manual P 14 144.9438 129 -0.02 80
IV.SPS2.HHE. 2021-05-15T01:06:43.66 0.6 undecidable manual P 40 119.0919 135 -0.06 42
IV.GIZZ.HHE. 2021-05-15T01:06:41.01 0.1 undecidable manual P 49 86.6466 144 -0.06 90
IV.IFIL.HHE. 2021-05-15T01:06:40.43 0.1 undecidable manual P 278 76.2681 147 0.08 91
IV.FERC.HNE. 2021-05-15T01:06:39.28 0.1 undecidable manual P 92 59.1963 154 -0.03 95
IV.MTTG.HHZ. 2021-05-15T01:06:39.67 0.1 negative manual P 157 56.5989 155 0.51 87
IV.SOI.EHZ. 2021-05-15T01:06:39.99 0.3 positive manual P 130 68.9754 150 0.11 69
IV.MPNC.HHE. 2021-05-15T01:06:38.28 0.1 undecidable manual P 193 37.1295 163 -0.01 99
IV.JOPP.HHE. 2021-05-15T01:06:38.53 0.3 undecidable manual P 69 40.9257 161 0.1 73
MN.CEL.HHZ. 2021-05-15T01:06:38.71 0.6 negative manual P 121 45.5211 159 0.08 48
IV.MSRU.HHE. 2021-05-15T01:06:37.71 0.1 undecidable manual P 167 23.754 169 -0.18 98
IV.SICLA.EHE. 2021-05-15T01:06:37.58 0.1 undecidable manual P 136 33.4443 165 -0.58 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTTG.HHE. ML:2.2 0.000078876855 0.76 AML other m 2021-05-15T01:06:49.45
MN.CEL.HHN. ML:2.3 0.00010960749999999999 0.26 AML other m 2021-05-15T01:06:53.07
MN.CEL.HNN. ML:2.2 0.00009743149500000001 0.24 AML other m 2021-05-15T01:06:53.20
MN.CEL.HHE. ML:2.0 0.00006055177 0.24 AML other m 2021-05-15T01:06:55.24
IV.MTTG.HHN. ML:2.2 0.0000951438 1.08 AML other m 2021-05-15T01:06:55.62
IV.SOI.EHN. ML:2.2 0.000076569815 0.24 AML other m 2021-05-15T01:06:56.01
IV.SOI.EHE. ML:2.2 0.00007268435000000001 0.5 AML other m 2021-05-15T01:06:56.21
MN.CEL.HNE. ML:2.0 0.00005789898 0.36 AML other m 2021-05-15T01:06:57.30
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