Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 30-01-2021 and time 16:02:35 (UTC) in region 3 km W Capizzi (ME)

A magnitude ML 1.5 earthquake occured in region: 3 km W Capizzi (ME), on

  • 30-01-2021 16:02:35 (UTC)
  • 30-01-2021 17:02:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8600, 14.4490 at 41 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
Capizzi ME 3 3176 3176
Cerami EN 7 2006 5182
Mistretta ME 11 4791 9973
Castel di Lucio ME 13 1294 11267
Nicosia EN 13 13899 25166
Sperlinga EN 13 805 25971
Reitano ME 16 806 26777
Troina EN 16 9373 36150
Gagliano Castelferrato EN 18 3593 39743
Pettineo ME 18 1350 41093
Caronia ME 19 3364 44457
Motta d'Affermo ME 19 739 45196
Santo Stefano di Camastra ME 20 4694 49890

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NE of Caltanissetta (63360 inhabitants)
69 Km NW of Catania (314555 inhabitants)
69 Km W of Acireale (52622 inhabitants)
86 Km E of Bagheria (55387 inhabitants)
90 Km N of Gela (75827 inhabitants)
98 Km NE of Agrigento (59770 inhabitants)
99 Km E of Palermo (674435 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 1.5 2021-01-30
16:02:35		 37.8598 14.4488 41 2021-07-12
16:54:59		 Bollettino Sismico Italiano INGV 87475601
Reviewed
Rev100 		ML 1.7 2021-01-30
16:02:35		 37.8173 14.438 45 2021-01-30
16:21:24		 Sala Sismica INGV-Roma 86721861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-30 16:02:35 ± 0.29
Latitude 37.8598 ± 0.0135
Longitude 14.4488 ± 0.0114
Depth (km) 41 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87475601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1536
Semi-minor axis of confidence ellipse (meter) 267
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 350
Circular confidence region, given by single value of horizontal uncertainty (meter) 1540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38131
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 86721861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-30 16:21:24

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 87475601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-25 09:52:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2021-01-30T16:02:53.11 0.6 undecidable manual S 61 42.3243 115 0.64 43
IV.CSLB.HHZ. 2021-01-30T16:02:51.43 0.6 undecidable manual S 284 35.3424 124 0.29 48
IV.PLLN.EHE. 2021-01-30T16:02:50.50 0.6 undecidable manual S 299 30.5472 130 0.18 50
IV.MSFR.HHZ. 2021-01-30T16:02:49.06 0.3 undecidable manual S 33 22.9548 141 -0.12 76
IV.GALF.HHZ. 2021-01-30T16:02:48.71 0.3 undecidable manual S 148 19.4694 146 -0.03 78
IV.MUCR.HHZ. 2021-01-30T16:02:45.54 0.3 undecidable manual P 61 42.3243 115 0.09 74
IV.PLLN.EHE. 2021-01-30T16:02:44.16 0.3 undecidable manual P 299 30.5472 130 -0.05 76
IV.CSLB.HHZ. 2021-01-30T16:02:44.46 0.3 undecidable manual P 284 35.3424 124 -0.22 73
IV.PETRA.HHZ. 2021-01-30T16:02:44.05 0.3 undecidable manual P 264 29.4483 132 -0.05 77
IV.CAGR.HHE. 2021-01-30T16:02:44.47 0.6 undecidable manual P 170 26.751 135 0.6 44
IV.GALF.HHZ. 2021-01-30T16:02:43.06 0.1 undecidable manual P 148 19.4694 146 -0.23 100
IV.MSFR.HHZ. 2021-01-30T16:02:43.20 0.3 undecidable manual P 33 22.9548 141 -0.35 73
IV.ESML.HHZ. 2021-01-30T16:02:41.06 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HNN. ML:1.7 0.00014249 1.3952 AML other m 2021-01-30T16:02:48.57
IV.GALF.HHN. ML:2.0 0.00030624815 1.68 AML other m 2021-01-30T16:02:50.84
IV.GALF.HNE. ML:1.4 0.00008004002 0.7296 AML other m 2021-01-30T16:02:49.56
IV.GALF.HHE. ML:1.7 0.0001467432 0.3456 AML other m 2021-01-30T16:02:49.25
IV.CSLB.HHN. ML:1.1 0.0000287101795 0.0256 AML other m 2021-01-30T16:02:52.31
IV.PETRA.HHN. ML:1.5 0.00008660894499999999 0.6272 AML other m 2021-01-30T16:02:53.22
IV.PETRA.HHE. ML:1.4 0.000062853175 0.6016 AML other m 2021-01-30T16:02:54.34
IV.CSLB.HHE. ML:0.9 0.000018087930999999998 0.64 AML other m 2021-01-30T16:02:51.51
IV.MUCR.HHE. ML:1.5 0.000068344785 0.9088 AML other m 2021-01-30T16:02:53.03
IV.MUCR.HHN. ML:1.4 0.000054280974999999996 1.7408 AML other m 2021-01-30T16:02:53.09
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