Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 04-05-2020 and time 03:23:29 (UTC) in region Tirreno Meridionale (MARE)

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

  • 04-05-2020 03:23:29 (UTC)
  • 04-05-2020 05:23:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.9140, 15.6830 at 171 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km W of Lamezia Terme (70714 inhabitants)
65 Km SW of Cosenza (67546 inhabitants)
79 Km W of Catanzaro (90612 inhabitants)
81 Km N of Messina (238439 inhabitants)
90 Km N of Reggio di Calabria (183035 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 2020-05-04
03:23:29		 38.9143 15.6833 171 2020-11-19
12:36:43		 Bollettino Sismico Italiano INGV 78859381
Reviewed
Rev100 		ML 2.0 2020-05-04
03:23:34		 38.8998 15.6625 120 2020-05-04
03:40:43		 Sala Sismica INGV-Roma 78826001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-04 03:23:29 ± 0.18
Latitude 38.9143 ± 0.0090
Longitude 15.6833 ± 0.0196
Depth (km) 171 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78859381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1628
Semi-minor axis of confidence ellipse (meter) 660
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 1630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.34534
Epicentral distance of station farthest from the epicenter (degree) 1.22667
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 78859381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-04 18:47:45

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 78826001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-04 03:40:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHZ. 2020-05-04T03:24:14.96 0.6 undecidable manual S 52 89.3439 151 1.06 32
IV.GRIS.HNE. 2020-05-04T03:24:14.19 0.3 undecidable manual S 9 92.8404 150 -0.08 67
IV.TDS.HHZ. 2020-05-04T03:24:14.86 0.3 undecidable manual S 34 100.0221 148 -0.22 64
MN.TIP.HHN. 2020-05-04T03:24:14.95 0.3 undecidable manual S 72 97.125 149 0.19 64
IV.MPNC.HHZ. 2020-05-04T03:24:14.39 0.6 undecidable manual S 199 89.8434 151 0.43 42
IV.SERS.HNN. 2020-05-04T03:24:13.68 0.3 undecidable manual S 81 87.7455 151 -0.06 68
MN.CEL.HHZ. 2020-05-04T03:24:13.12 0.6 undecidable manual S 166 74.7696 155 0.64 40
XK.ALB1.HNZ. 2020-05-04T03:24:13.19 0.3 undecidable manual S 81 79.7646 154 0.25 66
IV.PLAC.HHZ. 2020-05-04T03:24:13.31 0.6 undecidable manual S 128 83.25 152 0.03 46
IV.SPS2.HHZ. 2020-05-04T03:24:12.10 0.6 undecidable manual S 53 70.1742 156 0.03 47
IV.CET2.HHZ. 2020-05-04T03:24:11.64 0.6 undecidable manual S 19 72.0723 156 -0.59 41
IV.MSRU.HHE. 2020-05-04T03:24:11.83 0.6 undecidable manual S 192 73.7706 155 -0.55 41
IV.FERC.HNN. 2020-05-04T03:24:11.84 0.6 undecidable manual S 143 64.0914 158 0.28 45
IV.CAR1.HHZ. 2020-05-04T03:24:10.97 0.6 undecidable manual S 50 58.9965 160 -0.2 46
IV.JOPP.HHZ. 2020-05-04T03:24:10.04 0.6 undecidable manual S 153 38.3283 167 0.16 49
XK.GIZZ.HHZ. 2020-05-04T03:24:09.55 0.6 undecidable manual S 81 45.8208 164 -0.74 40
IV.BULG.HHN. 2020-05-04T03:23:58.82 0.3 undecidable manual P 349 131.7681 140 0.77 50
IV.MGR.HHZ. 2020-05-04T03:23:58.73 0.3 undecidable manual P 355 136.1637 139 0.33 58
IV.PIPA.HHZ. 2020-05-04T03:23:56.65 0.1 undecidable manual P 57 116.0949 144 -0.2 83
MN.CUC.HHE. 2020-05-04T03:23:56.81 0.1 undecidable manual P 5 120.2907 143 -0.35 80
IV.CELI.HHZ. 2020-05-04T03:23:55.54 0.1 positive manual P 52 89.3439 151 0.5 82
IV.GRIS.HNE. 2020-05-04T03:23:55.34 0.3 undecidable manual P 9 92.8404 150 0.08 67
IV.TDS.HHZ. 2020-05-04T03:23:55.87 0.1 negative manual P 34 100.0221 148 0.15 86
IV.MPNC.HHZ. 2020-05-04T03:23:55.17 0.1 positive manual P 199 89.8434 151 0.09 89
MN.TIP.HHN. 2020-05-04T03:23:55.33 0.3 undecidable manual P 72 97.125 149 -0.2 65
MN.CEL.HHZ. 2020-05-04T03:23:54.03 0.1 positive manual P 166 74.7696 155 -0.19 90
XK.ALB1.HNZ. 2020-05-04T03:23:54.57 0.1 positive manual P 81 79.7646 154 0.09 91
XK.SELL.HHZ. 2020-05-04T03:23:54.67 0.1 positive manual P 84 81.8514 153 0.07 91
IV.SERS.HNN. 2020-05-04T03:23:54.78 0.1 positive manual P 81 87.7455 151 -0.17 89
IV.PLAC.HHZ. 2020-05-04T03:23:54.51 0.1 positive manual P 128 83.25 152 -0.17 89
IV.MSRU.HHE. 2020-05-04T03:23:54.12 0.1 positive manual P 192 73.7706 155 -0.04 93
IV.SICLA.EHN. 2020-05-04T03:23:53.98 0.3 undecidable manual P 178 73.0713 155 -0.14 68
IV.GRI.EHZ. 2020-05-04T03:23:53.87 0.1 negative manual P 99 64.3911 158 0.17 92
IV.SPS2.HHZ. 2020-05-04T03:23:53.86 0.1 undecidable manual P 53 70.1742 156 -0.12 92
IV.FERC.HNN. 2020-05-04T03:23:53.73 0.3 undecidable manual P 143 64.0914 158 0.04 71
IV.CAR1.HHZ. 2020-05-04T03:23:53.23 0.1 positive manual P 50 58.9965 160 -0.23 92
IV.CET2.HHZ. 2020-05-04T03:23:53.99 0.1 positive manual P 19 72.0723 156 -0.08 93
XK.GIZZ.HHZ. 2020-05-04T03:23:52.70 0.1 positive manual P 81 45.8208 164 -0.25 94
IV.JOPP.HHZ. 2020-05-04T03:23:52.72 0.1 positive manual P 153 38.3283 167 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHE. ML:2.3 0.000068283995 0.2 AML other m 2020-05-04T03:24:11.41
IV.JOPP.HHN. ML:2.2 0.00006703953 0.1184 AML other m 2020-05-04T03:24:11.36
IV.CET2.HHE. ML:2.5 0.0001144 0.72 AML other m 2020-05-04T03:24:12.35
IV.CET2.HHN. ML:2.7 0.000163 1.06 AML other m 2020-05-04T03:24:12.12
IV.CAR1.HHE. ML:2.4 0.00008494999999999999 0.54 AML other m 2020-05-04T03:24:13.15
IV.SPS2.HHE. ML:1.5 0.0000104328835 0.3008 AML other m 2020-05-04T03:24:13.50
IV.SPS2.HHN. ML:1.9 0.00002795556 0.32 AML other m 2020-05-04T03:24:13.35
IV.CAR1.HHN. ML:2.2 0.0000632 0.42 AML other m 2020-05-04T03:24:13.43
IV.PLAC.HHN. ML:1.9 0.000027492824999999997 0.7392 AML other m 2020-05-04T03:24:14.12
IV.PLAC.HHE. ML:2.1 0.000039660325000000006 1.12 AML other m 2020-05-04T03:24:14.18
IV.MPNC.HHN. ML:2.3 0.000058910685000000004 0.84 AML other m 2020-05-04T03:24:14.62
IV.MPNC.HHE. ML:2.3 0.000070271365 1.1808 AML other m 2020-05-04T03:24:15.64
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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