Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 03-02-2021 and time 18:23:39 (UTC) in region 3 km NW Fano Adriano (TE)

A magnitude ML 1.0 earthquake occured in region: 3 km NW Fano Adriano (TE), on

  • 03-02-2021 18:23:39 (UTC)
  • 03-02-2021 19:23:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5740, 13.5250 at 11 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
Fano Adriano TE 3 296 296
Crognaleto TE 5 1297 1593
Cortino TE 6 656 2249
Pietracamela TE 6 271 2520
Montorio al Vomano TE 9 8218 10738
Tossicia TE 11 1406 12144
Rocca Santa Maria TE 13 537 12681
Campotosto AQ 13 542 13223
Colledara TE 13 2179 15402
Isola del Gran Sasso d'Italia TE 14 4773 20175
Torricella Sicura TE 14 2641 22816
Castel Castagna TE 16 500 23316
Teramo TE 18 54892 78208
Basciano TE 18 2434 80642
Castelli TE 18 1159 81801
Valle Castellana TE 18 977 82778
Capitignano AQ 19 665 83443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SW of Teramo (54892 inhabitants)
27 Km NE of L'Aquila (69753 inhabitants)
52 Km W of Montesilvano (53738 inhabitants)
58 Km W of Pescara (121014 inhabitants)
58 Km W of Chieti (51815 inhabitants)
72 Km E of Terni (111501 inhabitants)
79 Km SE of Foligno (57155 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
92 Km NE of Guidonia Montecelio (88673 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 1.0 2021-02-03
18:23:39		 42.574 13.5252 11 2021-07-12
16:55:11		 Bollettino Sismico Italiano INGV 90178501
Reviewed
Rev100 		ML 1.1 2021-02-03
18:23:39		 42.5672 13.5143 11 2021-02-03
18:31:51		 Sala Sismica INGV-Roma 86814651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-03 18:23:39 ± 0.08
Latitude 42.5740 ± 0.0054
Longitude 13.5252 ± 0.0073
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90178501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 700
Semi-minor axis of confidence ellipse (meter) 490
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 41
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41818
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 86814651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-03 18:31:51

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 90178501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-17 00:49:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2021-02-03T18:24:13.40 3.0 undecidable manual S -0.03 0
IV.MC2.EHZ. 2021-02-03T18:23:54.78 0.3 undecidable manual S 324 46.4202 90 0.43 65
IV.VCEL.EHZ. 2021-02-03T18:23:51.00 0.3 undecidable manual S 128 32.5452 90 0.33 69
IV.RM33.EHZ. 2021-02-03T18:23:48.82 0.3 undecidable manual S 254 26.3514 90 -0.2 71
IV.MTRA.EHZ. 2021-02-03T18:23:47.81 0.3 undecidable manual S 333 22.8549 90 -0.25 70
IV.T1299.EHZ. 2021-02-03T18:23:47.79 0.3 undecidable manual S 289 20.9679 90 0.23 70
IV.MC2.EHZ. 2021-02-03T18:23:47.97 0.3 undecidable manual P 324 46.4202 90 -0.11 69
IV.SMA1.EHZ. 2021-02-03T18:23:46.52 0.3 undecidable manual S 292 16.7721 90 0.09 73
IV.CAMP.HHZ. 2021-02-03T18:23:45.31 0.6 undecidable manual S 246 10.3785 117 0.52 44
IV.VCEL.EHZ. 2021-02-03T18:23:45.75 0.3 undecidable manual P 128 32.5452 90 -0.21 69
IV.GIGS.HHE. 2021-02-03T18:23:45.44 0.3 undecidable manual S 164 13.9749 91 -0.26 71
IV.RM33.EHZ. 2021-02-03T18:23:44.70 0.3 undecidable manual P 254 26.3514 90 -0.3 69
IV.TERO.HHZ. 2021-02-03T18:23:44.63 0.1 undecidable manual S 50 8.3805 128 0.29 96
IV.MTRA.EHZ. 2021-02-03T18:23:44.05 0.3 undecidable manual P 333 22.8549 90 -0.4 68
IV.T1299.EHZ. 2021-02-03T18:23:44.08 0.1 undecidable manual P 289 20.9679 90 -0.08 98
IV.SMA1.EHZ. 2021-02-03T18:23:43.46 0.1 undecidable manual P 292 16.7721 90 -0.05 99
IV.GIGS.HHE. 2021-02-03T18:23:42.85 0.1 undecidable manual P 164 13.9749 91 -0.23 95
IV.CAMP.HHZ. 2021-02-03T18:23:42.85 0.3 undecidable manual P 246 10.3785 117 0.29 71
IV.TERO.HHZ. 2021-02-03T18:23:42.40 0.1 undecidable manual P 50 8.3805 128 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HNN. ML:1.2 0.000220035225 0.064 AML other m 2021-02-03T18:23:44.72
IV.TERO.HHN. ML:1.2 0.000208325435 0.0512 AML other m 2021-02-03T18:23:44.73
IV.TERO.HNE. ML:1.0 0.00013704021499999998 0.1024 AML other m 2021-02-03T18:23:44.82
IV.TERO.HHE. ML:1.1 0.0001621463 0.1024 AML other m 2021-02-03T18:23:44.83
IV.RM33.HNE. ML:1.4 0.00012640063500000002 0.9344 AML other m 2021-02-03T18:23:45.50
IV.SMA1.EHN. ML:0.8 0.000051000000000000006 0.52 AML other m 2021-02-03T18:23:46.99
IV.SMA1.EHE. ML:0.9 0.00006387644500000001 0.1152 AML other m 2021-02-03T18:23:47.01
IV.MTRA.EHN. ML:1.0 0.000062180395 0.0896 AML other m 2021-02-03T18:23:48.22
IV.MTRA.EHE. ML:1.1 0.000072881555 0.0896 AML other m 2021-02-03T18:23:48.45
IV.RM33.HNN. ML:1.3 0.00010381252000000001 1.616 AML other m 2021-02-03T18:23:49.18
IV.RM33.EHE. ML:0.6 0.000020060930000000002 0.1664 AML other m 2021-02-03T18:23:49.32
IV.MTRA.HNE. ML:1.2 0.000105129315 0.3968 AML other m 2021-02-03T18:23:49.42
IV.RM33.EHN. ML:0.7 0.000026180851500000003 0.2048 AML other m 2021-02-03T18:23:49.72
IV.VCEL.EHN. ML:0.9 0.00003543661 0.2816 AML other m 2021-02-03T18:23:51.48
IV.VCEL.EHE. ML:0.9 0.00003710598 0.3584 AML other m 2021-02-03T18:23:53.63
IV.MTRA.HNN. ML:1.1 0.000078334385 0.4224 AML other m 2021-02-03T18:23:57.39
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