Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 22-03-2020 and time 12:29:55 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 1.8 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 22-03-2020 12:29:55 (UTC)
  • 22-03-2020 13:29:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.6380, 15.5360 at 156 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
49 Km N of Messina (238439 inhabitants)
60 Km N of Reggio di Calabria (183035 inhabitants)
78 Km SW of Lamezia Terme (70714 inhabitants)
96 Km SW of Cosenza (67546 inhabitants)
97 Km W of Catanzaro (90612 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 1.8 2020-03-22
12:29:55		 38.6383 15.5357 156 2020-07-18
21:08:30		 Bollettino Sismico Italiano INGV 77786251
Reviewed
Rev100 		ML 1.8 2020-03-22
12:29:55		 38.6327 15.5383 157 2020-03-22
12:44:16		 Sala Sismica INGV-Roma 77467651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-22 12:29:55 ± 0.26
Latitude 38.6383 ± 0.0144
Longitude 15.5357 ± 0.0299
Depth (km) 156 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77786251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2740
Semi-minor axis of confidence ellipse (meter) 671
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
Circular confidence region, given by single value of horizontal uncertainty (meter) 2740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 5.15042
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 77786251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-02 10:53:09

ML:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 77467651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-22 12:44:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-03-22T12:31:48.89 3.0 undecidable manual Sg 4.03 0
IV.PSB1.HHZ. 2020-03-22T12:31:25.66 3.0 undecidable manual Sg 0.49 0
IV.VITU.HHZ. 2020-03-22T12:31:24.82 3.0 undecidable manual Sg -0.53 0
IV.MURB.HHZ. 2020-03-22T12:31:21.75 3.0 undecidable manual P 571.6944 9.56 0
IV.GRIS.EHE. 2020-03-22T12:30:42.14 1.0 undecidable manual S 12 125.2746 139 0.39 21
MN.TIP.HHE. 2020-03-22T12:30:41.69 0.6 undecidable manual S 60 121.3896 140 0.48 40
IV.CELI.HHE. 2020-03-22T12:30:41.67 0.6 undecidable manual S 44 119.2917 140 0.76 37
IV.SERS.HHE. 2020-03-22T12:30:39.35 0.6 undecidable manual S 66 108.9132 143 -0.18 44
XK.SELL.HHE. 2020-03-22T12:30:38.63 1.0 undecidable manual S 68 101.8203 145 0 23
IV.AIO.HHE. 2020-03-22T12:30:38.33 0.6 undecidable manual S 200 78.5658 152 2.36 13
IX.STN3.HHZ.02 2020-03-22T12:30:38.24 0.6 undecidable manual P 210.0342 8.12 0
IV.CET2.HHZ. 2020-03-22T12:30:38.89 1.0 undecidable manual S 20 105.117 144 -0.15 22
IV.CAR1.HHZ. 2020-03-22T12:30:37.02 0.6 undecidable manual S 40 89.7435 148 -0.17 45
IV.PLAC.HHZ. 2020-03-22T12:30:36.07 0.6 undecidable manual S 105 81.0522 151 -0.17 47
IV.SOI.EHE. 2020-03-22T12:30:35.46 0.6 undecidable manual S 144 77.2671 152 -0.38 45
IV.MTTG.HHE. 2020-03-22T12:30:35.41 0.6 undecidable manual S 168 71.8725 154 0.1 48
IV.GMB.BHE. 2020-03-22T12:30:34.46 0.6 undecidable manual S 154 58.0974 158 0.36 46
IV.MPNC.HHE. 2020-03-22T12:30:33.92 0.3 undecidable manual S 196 56.7987 159 -0.08 74
IV.SICLA.EHE. 2020-03-22T12:30:33.60 0.6 undecidable manual S 160 45.1215 163 0.43 47
IV.MSRU.HHE. 2020-03-22T12:30:32.75 0.6 undecidable manual S 183 41.625 164 -0.2 49
IV.JOPP.HHZ. 2020-03-22T12:30:32.24 0.6 undecidable manual S 96 30.5472 168 -0.14 51
MN.CEL.HHZ. 2020-03-22T12:30:32.94 1.0 undecidable manual S 143 52.2033 160 -0.71 21
IV.CELI.HHE. 2020-03-22T12:30:22.08 0.3 undecidable manual P 44 119.2917 140 0.47 61
IV.GRIS.EHE. 2020-03-22T12:30:22.32 0.3 undecidable manual P 12 125.2746 139 0.22 63
MN.TIP.HHE. 2020-03-22T12:30:21.82 0.1 negative manual P 60 121.3896 140 0.04 88
IV.CET2.HHZ. 2020-03-22T12:30:20.37 0.1 negative manual P 20 105.117 144 -0.16 88
XK.SELL.HHE. 2020-03-22T12:30:20.58 0.1 negative manual P 68 101.8203 145 0.28 87
IV.SERS.HHE. 2020-03-22T12:30:20.94 0.1 negative manual P 66 108.9132 143 0.13 88
IV.AIO.HHE. 2020-03-22T12:30:19.24 0.3 undecidable manual P 200 78.5658 152 0.48 65
IV.CAR1.HHZ. 2020-03-22T12:30:19.05 0.1 negative manual P 40 89.7435 148 -0.41 86
IV.SOI.EHE. 2020-03-22T12:30:18.40 0.6 undecidable manual P 144 77.2671 152 -0.28 46
IV.MTTG.HHE. 2020-03-22T12:30:18.83 0.3 undecidable manual P 168 71.8725 154 0.45 66
IV.PLAC.HHZ. 2020-03-22T12:30:18.85 0.1 negative manual P 105 81.0522 151 -0.06 96
IV.MPNC.HHE. 2020-03-22T12:30:18.14 1.0 undecidable manual P 196 56.7987 159 0.52 22
IV.MILZ.HHN. 2020-03-22T12:30:18.07 1.0 undecidable manual P 213 48.5181 162 0.8 20
IV.GMB.BHE. 2020-03-22T12:30:17.72 0.3 undecidable manual P 154 58.0974 158 0.04 74
MN.CEL.HHZ. 2020-03-22T12:30:16.95 0.1 negative manual P 143 52.2033 160 -0.47 92
IV.SICLA.EHE. 2020-03-22T12:30:16.96 0.3 undecidable manual P 160 45.1215 163 -0.18 75
IV.MSRU.HHE. 2020-03-22T12:30:16.38 0.1 undecidable manual P 183 41.625 164 -0.64 88
IV.ISTR.HHZ. 2020-03-22T12:30:16.38 1.0 undecidable manual P 299 34.0437 167 -0.4 24
IV.JOPP.HHZ. 2020-03-22T12:30:16.43 0.1 undecidable manual P 96 30.5472 168 -0.26 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLAC.HHN. ML:1.9 0.00002924233 0.4768 AML other m 2020-03-22T12:31:04.41
MN.CEL.HHN. ML:1.8 0.000028064355 1.0208 AML other m 2020-03-22T12:30:33.91
IV.JOPP.HHE. ML:1.7 0.0000275 0.82 AML other m 2020-03-22T12:30:33.58
IV.JOPP.HHN. ML:1.6 0.00002087 0.68 AML other m 2020-03-22T12:30:34.60
IV.PLAC.HHE. ML:1.8 0.00002534601 0.2816 AML other m 2020-03-22T12:30:38.42
MN.CEL.HHE. ML:1.8 0.000026792515000000002 0.7776 AML other m 2020-03-22T12:30:49.47
IV.CAR1.HHN. ML:1.9 0.000032161085 1.1232 AML other m 2020-03-22T12:30:55.23
MN.CEL.HNN. ML:1.8 0.000028641436999999998 1.1008 AML other m 2020-03-22T12:30:33.74
IV.PLAC.HNE. ML:1.7 0.000052366424999999996 2.1184 AML other m 2020-03-22T12:30:39.63
IV.CAR1.HHE. ML:1.7 0.000018839855 0.5184 AML other m 2020-03-22T12:30:38.46
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