Earthquake with magnitude of ML 1.6 on date 13-01-2021 and time 02:07:16 (UTC) in region 7 km N Sperlinga (EN)

A magnitude ML 1.6 earthquake occured in region: 7 km N Sperlinga (EN), on

  • 13-01-2021 02:07:16 (UTC)
  • 13-01-2021 03:07:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8290, 14.3500 at 5 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sperlinga EN 7 805 805
Castel di Lucio ME 7 1294 2099
Nicosia EN 10 13899 15998
Mistretta ME 12 4791 20789
Capizzi ME 12 3176 23965
Gangi PA 13 6811 30776
Cerami EN 14 2006 32782
Reitano ME 16 806 33588
Pettineo ME 16 1350 34938
San Mauro Castelverde PA 17 1701 36639
Geraci Siculo PA 18 1945 38584
Motta d'Affermo ME 18 739 39323
Tusa ME 20 2925 42248

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NE of Caltanissetta (63360 inhabitants)
74 Km NW of Catania (314555 inhabitants)
76 Km W of Acireale (52622 inhabitants)
79 Km E of Bagheria (55387 inhabitants)
85 Km N of Gela (75827 inhabitants)
89 Km NE of Agrigento (59770 inhabitants)
92 Km E of Palermo (674435 inhabitants)
99 Km N of Vittoria (63339 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 2021-01-13
02:07:16
37.8288 14.3498 5 2021-07-12
16:54:58
Bollettino Sismico Italiano INGV 86964051
Reviewed
Rev100
ML 1.6 2021-01-13
02:07:16
37.7972 14.3262 10 2021-01-13
02:14:13
Sala Sismica INGV-Roma 86215531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-13 02:07:16 ± 0.11
Latitude 37.8288 ± 0.0081
Longitude 14.3498 ± 0.0080
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86964051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 746
Semi-minor axis of confidence ellipse (meter) 721
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 26
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.18526
Epicentral distance of station farthest from the epicenter (degree) 0.71226
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 86964051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-02 18:01:55

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 86215531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-13 02:14:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVZN.HNZ. 2021-01-13T02:07:42.36 0.6 undecidable manual S 156 79.0653 50 0.99 45
IV.MUCR.HHE. 2021-01-13T02:07:34.17 0.6 undecidable manual S 62 51.6039 50 0.11 64
IV.HVZN.HNZ. 2021-01-13T02:07:30.24 0.6 undecidable manual P 156 79.0653 50 -0.6 54
IV.RAFF.HHZ. 2021-01-13T02:07:29.09 0.3 undecidable manual P 179 67.2771 50 0.06 94
IV.SCIAR.HHZ. 2021-01-13T02:07:26.45 0.3 undecidable manual P 283 54.0015 50 -0.54 86
IV.MUCR.HHE. 2021-01-13T02:07:26.49 0.3 undecidable manual P 62 51.6039 50 -0.13 95
IV.CAGR.HHZ. 2021-01-13T02:07:25.76 0.6 undecidable manual S 150 26.4513 101 -0.03 68
IV.PLLN.EHZ. 2021-01-13T02:07:25.83 0.6 undecidable manual S 315 25.6521 101 0.32 64
IV.CSLB.HHZ. 2021-01-13T02:07:25.83 0.6 undecidable manual S 295 28.2495 100 -0.58 59
IV.GALF.HHZ. 2021-01-13T02:07:24.52 0.6 undecidable manual S 125 23.0547 102 -0.12 67
IV.GIB.HHE. 2021-01-13T02:07:23.91 0.3 undecidable manual P 302 33.5442 98 0.67 85
IV.RESU.HHZ. 2021-01-13T02:07:23.02 0.3 undecidable manual P 232 32.745 99 -0.06 100
IV.PETRA.HHZ. 2021-01-13T02:07:23.85 0.6 undecidable manual S 271 20.5683 103 0.05 68
IV.CAGR.HHZ. 2021-01-13T02:07:22.12 0.3 undecidable manual P 150 26.4513 101 0.27 97
IV.CSLB.HHZ. 2021-01-13T02:07:21.80 0.3 undecidable manual P 295 28.2495 100 -0.4 94
IV.PLLN.EHZ. 2021-01-13T02:07:21.99 0.3 undecidable manual P 315 25.6521 101 0.31 96
IV.GALF.HHZ. 2021-01-13T02:07:20.86 0.3 undecidable manual P 125 23.0547 102 -0.32 96
IV.PETRA.HHZ. 2021-01-13T02:07:20.86 0.3 undecidable manual P 271 20.5683 103 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLLN.EHE. ML:1.6 0.00022386075 1.2 AML other m 2021-01-13T02:07:24.23
IV.PLLN.EHN. ML:1.6 0.0002567674 0.4 AML other m 2021-01-13T02:07:28.33
IV.GALF.HHN. ML:2.1 0.0008546768 0.6192 AML other m 2021-01-13T02:07:29.07
IV.GALF.HNN. ML:1.4 0.0001801205 0.6496 AML other m 2021-01-13T02:07:29.07
IV.CSLB.HHE. ML:1.0 0.00005286538 0.36 AML other m 2021-01-13T02:07:29.96
IV.CSLB.HHN. ML:1.1 0.00006485 0.22 AML other m 2021-01-13T02:07:30.22
IV.GALF.HHE. ML:2.1 0.000807 1.4 AML other m 2021-01-13T02:07:31.83
IV.RESU.HHE. ML:1.6 0.00019168105 0.4608 AML other m 2021-01-13T02:07:34.24
IV.GALF.HNE. ML:1.1 0.00009178585000000001 0.5792 AML other m 2021-01-13T02:07:34.59
IV.RESU.HHN. ML:1.6 0.00017730845 0.44 AML other m 2021-01-13T02:07:36.73
IV.SCIAR.HNN. ML:1.8 0.00015986450000000002 1.04 AML other m 2021-01-13T02:07:36.83
IV.SCIAR.HHN. ML:1.6 0.00008842278500000001 0.88 AML other m 2021-01-13T02:07:36.89
IV.SCIAR.HHE. ML:1.5 0.0000703377135 0.4592 AML other m 2021-01-13T02:07:44.10
IV.SCIAR.HNE. ML:1.8 0.00013339466999999998 0.6896 AML other m 2021-01-13T02:07:48.47
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