Earthquake with magnitude of ML 1.6 on date 16-12-2020 and time 04:18:18 (Italy) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude ML 1.6 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 16-12-2020 03:18:18 (UTC)
  • 16-12-2020 04:18:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.72, 16.02 at 27 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km SE of Reggio di Calabria (183035 inhabitants)
67 Km SE of Messina (238439 inhabitants)
76 Km E of Acireale (52622 inhabitants)
85 Km E of Catania (314555 inhabitants)
97 Km NE of Siracusa (122291 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 1.6 2020-12-16
03:18:18
37.72 16.02 27 2021-02-26
14:56:11
Bollettino Sismico Italiano INGV 85645111
Reviewed
Rev100
ML 1.5 2020-12-16
03:18:18
37.71 16.01 10 2020-12-16
03:29:33
Sala Sismica INGV-Roma 85460151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-16 03:18:18 ± 0.13
Latitude 37.72 ± 0.01
Longitude 16.02 ± 0.01
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85645111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 914
Semi-minor axis of confidence ellipse (meter) 903
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 910
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 194
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.35613
Epicentral distance of station farthest from the epicenter (degree) 1.27614
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 85645111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-23 17:54:09

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 85460151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-16 03:29:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.HPAC.HHE. 2020-12-16T03:18:57.95 0.6 undecidable manual S 218 1.2761 54 0.37 39
IV.HMDC.HNN. 2020-12-16T03:18:56.25 0.6 undecidable manual S 233 1.2402 54 -0.48 38
IV.HAVL.HHZ. 2020-12-16T03:18:51.25 0.6 undecidable manual S 223 1.0405 99 -0.48 41
IV.HCRL.HHZ. 2020-12-16T03:18:47.33 0.3 undecidable manual S 241 0.8939 101 -0.14 67
IV.JOPP.HNN. 2020-12-16T03:18:46.78 0.6 undecidable manual S 353 0.8939 101 -0.69 37
IV.MILZ.HHE. 2020-12-16T03:18:45.56 0.6 undecidable manual S 312 0.8301 101 -0.05 46
IV.HAGA.HHZ. 2020-12-16T03:18:45.04 0.3 undecidable manual S 238 0.8094 102 0.03 69
IV.HPAC.HHE. 2020-12-16T03:18:41.27 0.3 undecidable manual P 218 1.2761 54 0.37 58
IV.MSRU.HHE. 2020-12-16T03:18:41.81 0.6 undecidable manual S 324 0.6772 104 0.62 42
IV.HMDC.HNN. 2020-12-16T03:18:40.35 0.3 undecidable manual P 233 1.2402 54 -0.06 63
IV.SICLA.EHZ. 2020-12-16T03:18:38.85 0.6 undecidable manual S 336 0.5882 107 0.19 48
MN.CEL.HHZ. 2020-12-16T03:18:37.90 0.6 undecidable manual S 350 0.5504 108 0.32 47
IV.HAVL.HHZ. 2020-12-16T03:18:37.49 0.3 undecidable manual P 223 1.0405 99 -0.04 66
IV.HLNI.HHE. 2020-12-16T03:18:36.17 0.3 undecidable manual P 248 0.9803 100 -0.35 63
IV.HCRL.HHZ. 2020-12-16T03:18:35.20 0.1 undecidable manual P 241 0.8939 101 0.13 89
IV.MILZ.HHE. 2020-12-16T03:18:34.35 0.3 undecidable manual P 312 0.8301 101 0.36 65
IV.JOPP.HNN. 2020-12-16T03:18:34.54 0.1 undecidable manual P 353 0.8939 101 -0.52 80
IV.HAGA.HHZ. 2020-12-16T03:18:33.40 0.3 undecidable manual P 238 0.8094 102 -0.25 67
IV.PLAC.HHE. 2020-12-16T03:18:33.65 0.1 undecidable manual P 24 0.8022 102 0.13 92
IV.AIO.HHE. 2020-12-16T03:18:32.20 0.3 undecidable manual P 292 0.6691 105 0.89 55
IV.MSRU.HHE. 2020-12-16T03:18:31.50 0.1 positive manual P 324 0.6772 104 0.06 95
IV.SOI.EHZ. 2020-12-16T03:18:31.77 0.6 undecidable manual S 5 0.3561 119 -0.5 45
MN.CEL.HHZ. 2020-12-16T03:18:29.30 0.1 negative manual P 350 0.5504 108 -0.06 97
IV.SICLA.EHZ. 2020-12-16T03:18:29.75 0.3 undecidable manual P 336 0.5882 107 -0.23 70
IV.SOI.EHZ. 2020-12-16T03:18:26.45 0.1 negative manual P 5 0.3561 119 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SOI.EHN. ML:1 3.1630805E-5 0.2608 AML other m 2020-12-16T03:18:32.19
IV.SOI.EHE. ML:1.3 6.14153E-5 1.72 AML other m 2020-12-16T03:18:32.06
MN.CEL.HNE. ML:1.9 0.000134608195 0.9216 AML other m 2020-12-16T03:18:38.39
MN.CEL.HNN. ML:1.5 6.09823415E-5 0.2992 AML other m 2020-12-16T03:18:38.12
MN.CEL.HHE. ML:1.8 0.00010551175 0.2192 AML other m 2020-12-16T03:18:38.50
MN.CEL.HHN. ML:1.5 5.61912E-5 0.1808 AML other m 2020-12-16T03:18:38.46
IV.SICLA.EHN. ML:1.6 6.382943E-5 1.44 AML other m 2020-12-16T03:18:38.95
IV.SICLA.EHE. ML:1.5 5.3278985E-5 0.7408 AML other m 2020-12-16T03:18:39.48
IV.HAVL.HHN. ML:1.7 3.714068E-5 1.0192 AML other m 2020-12-16T03:18:52.09
IV.HAVL.HHE. ML:1.9 5.832739E-5 0.2592 AML other m 2020-12-16T03:18:52.30
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download