Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 17-04-2020 and time 16:21:32 (Italy) in region 6 km SW Delianuova (RC)

A magnitude ML 1.1 earthquake occured in region: 6 km SW Delianuova (RC), on

  • 17-04-2020 14:21:32 (UTC)
  • 17-04-2020 16:21:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2140, 15.8660 at 16 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
Delianuova RC 6 3352 3352
Sant'Eufemia d'Aspromonte RC 6 4120 7472
Sinopoli RC 6 2089 9561
Scido RC 7 931 10492
San Procopio RC 8 534 11026
Santo Stefano in Aspromonte RC 8 1263 12289
Cosoleto RC 9 859 13148
Bagnara Calabra RC 10 10255 23403
Melicuccà RC 10 930 24333
Santa Cristina d'Aspromonte RC 10 929 25262
Sant'Alessio in Aspromonte RC 11 343 25605
San Roberto RC 11 1750 27355
Laganadi RC 12 413 27768
Calanna RC 13 934 28702
Seminara RC 14 2811 31513
Oppido Mamertina RC 14 5332 36845
Scilla RC 14 4964 41809
Fiumara RC 15 1018 42827
Varapodio RC 15 2160 44987
Platì RC 16 3812 48799
Palmi RC 16 18930 67729
Cardeto RC 17 1641 69370
Terranova Sappo Minulio RC 17 523 69893
Molochio RC 18 2564 72457
Campo Calabro RC 18 4536 76993
Roccaforte del Greco RC 19 476 77469
San Luca RC 19 3881 81350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Reggio di Calabria (183035 inhabitants)
27 Km E of Messina (238439 inhabitants)
91 Km NE of Acireale (52622 inhabitants)
94 Km SW of Lamezia Terme (70714 inhabitants)
100 Km SW 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 1.1 2020-04-17
14:21:32		 38.2142 15.8663 16 2020-07-18
21:08:41		 Bollettino Sismico Italiano INGV 80412941
Reviewed
Rev100 		ML 1.1 2020-04-17
14:21:32		 38.2103 15.8658 16 2020-04-17
14:26:48		 Sala Sismica INGV-Roma 78320431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-17 14:21:32 ± 0.12
Latitude 38.2142 ± 0.0054
Longitude 15.8663 ± 0.0080
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80412941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 529
Semi-minor axis of confidence ellipse (meter) 514
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.39300
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 80412941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-22 19:18:08

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 78320431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-17 14:26:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HHZ. 2020-04-17T14:21:46.17 0.6 undecidable manual S 2 43.623 98 -0.36 44
IV.JOPP.HHZ. 2020-04-17T14:21:40.62 0.3 undecidable manual P 2 43.623 98 0.09 71
IV.SOI.EHZ. 2020-04-17T14:21:40.91 0.3 undecidable manual S 134 22.6551 112 -0.2 71
IV.MTTG.HHZ. 2020-04-17T14:21:38.27 0.3 undecidable manual P 212 27.5502 106 0.15 71
IV.SICLA.EHZ. 2020-04-17T14:21:38.87 0.3 undecidable manual S 289 14.0748 129 -0.24 71
IV.GMB.BHZ. 2020-04-17T14:21:37.71 0.3 undecidable manual S 213 6.0939 154 -0.06 75
IV.SOI.EHZ. 2020-04-17T14:21:37.34 0.1 undecidable manual P 134 22.6551 112 -0.06 97
MN.CEL.HHZ. 2020-04-17T14:21:37.80 0.3 undecidable manual S 25 5.6943 156 0.08 75
IV.SICLA.EHZ. 2020-04-17T14:21:36.27 0.1 undecidable manual P 289 14.0748 129 0.02 100
IV.GMB.BHZ. 2020-04-17T14:21:35.60 0.1 undecidable manual P 213 6.0939 154 0.12 99
MN.CEL.HHZ. 2020-04-17T14:21:35.69 0.1 negative manual P 25 5.6943 156 0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.CEL.HHE. ML:0.9 0.0000853 0.12 AML other m 2020-04-17T14:21:37.99
MN.CEL.HHN. ML:0.8 0.0000706 1.66 AML other m 2020-04-17T14:21:38.05
IV.SICLA.EHE. ML:1.4 0.0001805 0.36 AML other m 2020-04-17T14:21:39.14
IV.SICLA.EHN. ML:1.3 0.00015899999999999996 0.34 AML other m 2020-04-17T14:21:39.13
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