Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 25-02-2021 and time 21:06:40 (Italy) in region 4 km SE Capitignano (AQ)

A magnitude ML 1.3 earthquake occured in region: 4 km SE Capitignano (AQ), on

  • 25-02-2021 20:06:40 (UTC)
  • 25-02-2021 21:06:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5030, 13.3390 at 12 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Capitignano AQ 4 665 665
Campotosto AQ 7 542 1207
Barete AQ 7 737 1944
Montereale AQ 8 2581 4525
Pizzoli AQ 8 4326 8851
Cagnano Amiterno AQ 10 1369 10220
Crognaleto TE 13 1297 11517
Amatrice RI 15 2657 14174
Scoppito AQ 16 3727 17901
Borbona RI 17 617 18518
Fano Adriano TE 17 296 18814
L'Aquila AQ 18 69753 88567
Pietracamela TE 18 271 88838
Cortino TE 19 656 89494
Cittareale RI 20 482 89976

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km N of L'Aquila (69753 inhabitants)
35 Km SW of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
70 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Roma (2864731 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
Reviewed
Rev100 		ML 1.3 2021-02-25
20:06:40		 42.5028 13.3388 12 2021-02-25
20:23:11		 Sala Sismica INGV-Roma 87483511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-25 20:06:40 ± 0.09
Latitude 42.5028 ± 0.0054
Longitude 13.3388 ± 0.0073
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87483511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 636
Semi-minor axis of confidence ellipse (meter) 264
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
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) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.64032
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 87483511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-25 20:23:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2021-02-25T20:06:53.39 0.3 undecidable manual P 298 71.0733 91 0.66 58
IV.CSP1.EHZ. 2021-02-25T20:06:51.96 0.3 undecidable manual P 351 66.2781 91 -0.03 69
IV.FDMO.HHZ. 2021-02-25T20:06:51.57 0.3 undecidable manual P 341 62.6928 91 0.14 68
IV.MF5.EHZ. 2021-02-25T20:06:50.64 0.3 undecidable manual P 10 54.7008 91 0.43 65
IV.MTRA.HNZ. 2021-02-25T20:06:50.16 0.6 undecidable manual S 9 28.5492 93 -0.29 46
IV.LNSS.HHZ. 2021-02-25T20:06:49.70 0.6 undecidable manual S 295 26.751 94 -0.27 47
IV.T0110.HHZ. 2021-02-25T20:06:49.91 0.3 undecidable manual P 130 46.9197 91 0.89 56
IV.MC2.EHZ. 2021-02-25T20:06:49.09 0.3 undecidable manual P 345 46.9197 91 0.08 71
IV.TERO.HHZ. 2021-02-25T20:06:49.23 0.6 undecidable manual S 58 25.4523 94 -0.38 45
IV.MMO1.EHZ. 2021-02-25T20:06:48.52 0.3 undecidable manual P 359 44.0226 92 -0.04 71
IV.ARRO.EHZ. 2021-02-25T20:06:48.81 0.3 undecidable manual P 280 47.619 91 -0.3 68
IV.GAVE.EHZ. 2021-02-25T20:06:48.12 0.3 undecidable manual P 300 41.9247 92 -0.13 71
IV.VCEL.EHZ. 2021-02-25T20:06:48.72 0.3 undecidable manual P 106 42.8238 92 0.34 68
IV.GIGS.HJZ. 2021-02-25T20:06:47.49 0.6 undecidable manual S 106 19.9689 97 -0.66 41
MN.AQU.HNZ. 2021-02-25T20:06:47.40 0.6 undecidable manual S 162 17.3715 100 -0.08 49
IV.T1299.EHZ. 2021-02-25T20:06:47.03 0.6 undecidable manual S 342 15.2736 105 0.1 49
IV.NRCA.HHZ. 2021-02-25T20:06:47.99 0.3 undecidable manual P 334 41.0256 92 -0.11 71
IV.SMA1.EHZ. 2021-02-25T20:06:46.86 0.6 undecidable manual S 359 14.1747 109 0.21 48
IV.MTRA.HNZ. 2021-02-25T20:06:45.99 0.3 undecidable manual P 9 28.5492 93 -0.19 71
IV.TERO.HHZ. 2021-02-25T20:06:45.49 0.3 undecidable manual P 58 25.4523 94 -0.21 71
IV.RM33.EHZ. 2021-02-25T20:06:45.33 0.6 undecidable manual S 274 10.1787 125 -0.37 48
IV.LNSS.HHZ. 2021-02-25T20:06:45.91 0.3 undecidable manual P 295 26.751 94 0 74
IV.SMA1.EHZ. 2021-02-25T20:06:44.10 0.3 undecidable manual P 359 14.1747 109 0.11 74
IV.CAMP.HHZ. 2021-02-25T20:06:44.90 0.3 undecidable manual S 57 6.7932 141 -0.14 75
IV.GIGS.HJZ. 2021-02-25T20:06:44.55 0.3 undecidable manual P 106 19.9689 97 -0.31 70
MN.AQU.HNZ. 2021-02-25T20:06:44.52 0.1 undecidable manual P 162 17.3715 100 0.05 100
IV.T1299.EHZ. 2021-02-25T20:06:44.33 0.3 undecidable manual P 342 15.2736 105 0.17 73
IV.CAMP.HHZ. 2021-02-25T20:06:43.14 0.3 undecidable manual P 57 6.7932 141 0.08 76
IV.RM33.EHZ. 2021-02-25T20:06:43.37 0.3 undecidable manual P 274 10.1787 125 -0.08 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:1.0 0.0001230928 0.1408 AML other m 2021-02-25T20:06:45.17
IV.CAMP.HHN. ML:1.3 0.00027350000000000003 0.4 AML other m 2021-02-25T20:06:45.20
IV.RM33.HNN. ML:1.6 0.0004623777 0.2688 AML other m 2021-02-25T20:06:45.40
IV.RM33.EHN. ML:1.6 0.00041700000000000005 0.26 AML other m 2021-02-25T20:06:45.54
IV.RM33.EHE. ML:1.5 0.00034705615 0.256 AML other m 2021-02-25T20:06:45.53
IV.RM33.HNE. ML:1.5 0.00034896845 0.2688 AML other m 2021-02-25T20:06:45.53
IV.SMA1.EHN. ML:1.7 0.00047024345 0.2432 AML other m 2021-02-25T20:06:47.53
IV.SMA1.EHE. ML:1.6 0.00038710880000000005 0.1536 AML other m 2021-02-25T20:06:47.76
IV.TERO.HHN. ML:1.2 0.00009518637499999999 0.1152 AML other m 2021-02-25T20:06:50.02
IV.TERO.HHE. ML:1.3 0.00010461514999999998 0.1024 AML other m 2021-02-25T20:06:50.14
IV.LNSS.HHE. ML:1.3 0.000110891285 0.1408 AML other m 2021-02-25T20:06:50.23
IV.LNSS.HHN. ML:1.3 0.00010215 0.22 AML other m 2021-02-25T20:06:50.38
IV.ARRO.EHE. ML:1.0 0.000029110715 0.1664 AML other m 2021-02-25T20:06:56.56
IV.VCEL.EHE. ML:1.2 0.000051010189999999994 0.2816 AML other m 2021-02-25T20:07:00.04
IV.VCEL.EHN. ML:1.2 0.000054505155 0.1792 AML other m 2021-02-25T20:06:57.34
IV.ARRO.EHN. ML:1.0 0.000029367385 0.1536 AML other m 2021-02-25T20:06:58.91
IV.MOMA.HHE. ML:0.0 0.000029206695000000002 0.1664 AML other m 2021-02-25T20:07:04.99
IV.MOMA.HHN. ML:0.0 0.000025316314999999998 0.2304 AML other m 2021-02-25T20:07:05.15
IV.TERO.HNE. ML:1.4 0.00012715451499999998 0.128 AML other m 2021-02-25T20:06:50.64
IV.TERO.HNN. ML:1.4 0.00014239894999999999 0.256 AML other m 2021-02-25T20:06:50.62
IV.LNSS.HNE. ML:1.3 0.00011281355000000002 0.1664 AML other m 2021-02-25T20:06:50.76
IV.GAVE.EHE. ML:1.2 0.000045732675 0.1792 AML other m 2021-02-25T20:06:54.11
IV.GAVE.EHN. ML:1.0 0.000034423305 0.1408 AML other m 2021-02-25T20:06:54.69
IV.T0110.HHE. ML:1.2 0.000045955845 0.2688 AML other m 2021-02-25T20:06:59.46
IV.T0110.HHN. ML:1.0 0.00002778763 0.4992 AML other m 2021-02-25T20:07:05.30
IV.MF5.EHE. ML:1.2 0.00003472675 0.3456 AML other m 2021-02-25T20:07:00.41
IV.MF5.EHN. ML:1.4 0.0000604863642 0.3712 AML other m 2021-02-25T20:06:59.52
IV.CSP1.EHE. ML:1.4 0.000052256120000000004 0.2688 AML other m 2021-02-25T20:07:02.89
IV.CSP1.EHN. ML:1.5 0.000054406675 0.192 AML other m 2021-02-25T20:07:02.83
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