Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 17-03-2021 and time 01:15:26 (Italy) in region 6 km SE Capitignano (AQ)

A magnitude ML 1.4 earthquake occured in region: 6 km SE Capitignano (AQ), on

  • 17-03-2021 00:15:26 (UTC)
  • 17-03-2021 01:15:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4940, 13.3620 at 11 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 6 665 665
Campotosto AQ 7 542 1207
Barete AQ 8 737 1944
Pizzoli AQ 8 4326 6270
Montereale AQ 10 2581 8851
Crognaleto TE 12 1297 10148
Cagnano Amiterno AQ 12 1369 11517
Fano Adriano TE 16 296 11813
L'Aquila AQ 16 69753 81566
Scoppito AQ 16 3727 85293
Pietracamela TE 16 271 85564
Amatrice RI 16 2657 88221
Cortino TE 19 656 88877
Borbona RI 19 617 89494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km N of L'Aquila (69753 inhabitants)
34 Km SW of Teramo (54892 inhabitants)
59 Km E of Terni (111501 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
68 Km W of Chieti (51815 inhabitants)
70 Km W of Pescara (121014 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
76 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 1.4 2021-03-17
00:15:26		 42.4937 13.3617 11 2021-03-17
00:34:44		 Sala Sismica INGV-Roma 88196171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-17 00:15:26 ± 0.08
Latitude 42.4937 ± 0.0045
Longitude 13.3617 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88196171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 567
Semi-minor axis of confidence ellipse (meter) 398
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60884
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 88196171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-17 00:34:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-03-17T00:15:47.56 0.1 undecidable manual S 349 67.5768 50 0.62 78
IV.GUMA.HHZ. 2021-03-17T00:15:46.26 0.3 undecidable manual S 358 63.1923 50 0.5 62
IV.MF5.EHZ. 2021-03-17T00:15:44.41 0.3 undecidable manual S 8 55.4001 50 0.72 58
IV.T0110.HHZ. 2021-03-17T00:15:42.13 3.0 undecidable manual S 0.01 0
IV.NRCA.HHZ. 2021-03-17T00:15:40.14 0.1 undecidable manual S 332 42.7239 50 -0.18 92
IV.MMO1.EHZ. 2021-03-17T00:15:40.89 0.1 undecidable manual S 356 45.1215 50 -0.05 94
IV.CSP1.EHZ. 2021-03-17T00:15:38.10 0.1 undecidable manual P 349 67.5768 50 -0.14 89
IV.MNTT.EHZ. 2021-03-17T00:15:38.87 0.6 negative manual P 17 65.8896 50 0.89 35
IV.GUMA.HHZ. 2021-03-17T00:15:37.34 0.1 undecidable manual P 358 63.1923 50 -0.22 88
IV.MTRA.EHZ. 2021-03-17T00:15:36.20 0.1 undecidable manual S 6 29.3484 50 -0.53 87
IV.MF5.EHZ. 2021-03-17T00:15:36.73 0.1 undecidable manual P 8 55.4001 50 0.36 87
IV.LNSS.HHZ. 2021-03-17T00:15:36.39 0.1 undecidable manual S 295 28.9488 50 -0.23 93
IV.TERO.HHZ. 2021-03-17T00:15:35.12 0.1 undecidable manual S 54 24.4533 50 -0.3 93
IV.MMO1.EHZ. 2021-03-17T00:15:34.56 0.1 undecidable manual P 356 45.1215 50 -0.22 91
IV.NRCA.HHZ. 2021-03-17T00:15:34.21 0.1 positive manual P 332 42.7239 50 -0.21 92
IV.GAVE.EHZ. 2021-03-17T00:15:34.43 3.0 positive manual P -0.17 0
IV.T1299.EHN. 2021-03-17T00:15:33.31 0.1 undecidable manual S 337 16.872 122 0 100
MN.AQU.HHE. 2021-03-17T00:15:33.12 0.1 undecidable manual S 167 15.873 124 0.09 98
IV.FAGN.HHN. 2021-03-17T00:15:33.31 0.1 undecidable manual P 144 31.1466 50 0.68 82
IV.GIGS.HHZ. 2021-03-17T00:15:33.31 0.1 undecidable manual S 105 17.871 121 -0.29 94
IV.SMA1.EHZ. 2021-03-17T00:15:32.93 0.1 undecidable manual S 352 15.2736 125 0.07 99
IV.LNSS.HHZ. 2021-03-17T00:15:32.16 0.1 undecidable manual P 295 28.9488 50 -0.13 95
IV.MTRA.EHZ. 2021-03-17T00:15:32.09 0.1 positive manual P 6 29.3484 50 -0.26 93
IV.TERO.HHZ. 2021-03-17T00:15:31.37 0.1 undecidable manual P 54 24.4533 50 -0.23 94
IV.RM33.EHZ. 2021-03-17T00:15:31.84 0.3 undecidable manual S 278 12.1767 131 -0.16 73
IV.SMA1.EHZ. 2021-03-17T00:15:30.15 0.1 undecidable manual P 352 15.2736 125 0.03 100
IV.T1299.EHN. 2021-03-17T00:15:30.50 0.1 undecidable manual P 337 16.872 122 0.12 98
MN.AQU.HHE. 2021-03-17T00:15:30.10 0.1 undecidable manual P 167 15.873 124 -0.11 98
IV.CAMP.HHN. 2021-03-17T00:15:30.57 0.3 undecidable manual S 40 6.0939 151 -0.08 75
IV.GIGS.HHZ. 2021-03-17T00:15:30.51 0.1 undecidable manual P 105 17.871 121 -0.03 99
IV.RM33.EHZ. 2021-03-17T00:15:29.71 0.1 positive manual P 278 12.1767 131 0.09 99
IV.CAMP.HHN. 2021-03-17T00:15:29.09 0.1 undecidable manual P 40 6.0939 151 0.25 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.5 0.0003195 0.26 AML other m 2021-03-17T00:15:31.99
IV.RM33.EHE. ML:1.4 0.000247 0.26 AML other m 2021-03-17T00:15:31.99
IV.SMA1.EHN. ML:1.3 0.00019800000000000002 0.38 AML other m 2021-03-17T00:15:33.62
IV.SMA1.EHE. ML:1.2 0.0001395 0.38 AML other m 2021-03-17T00:15:34.37
IV.TERO.HHE. ML:1.3 0.00010750000000000001 1.1 AML other m 2021-03-17T00:15:35.37
IV.TERO.HHN. ML:1.3 0.0001255 0.66 AML other m 2021-03-17T00:15:36.06
IV.MTRA.EHN. ML:1.6 0.000184 0.2 AML other m 2021-03-17T00:15:36.28
IV.MTRA.EHE. ML:1.5 0.000142 0.38 AML other m 2021-03-17T00:15:36.39
IV.LNSS.HHE. ML:1.2 0.0000698 0.62 AML other m 2021-03-17T00:15:36.40
IV.LNSS.HHN. ML:1.1 0.0000656 0.52 AML other m 2021-03-17T00:15:37.60
IV.NRCA.HHE. ML:1.6 0.0001325 0.18 AML other m 2021-03-17T00:15:40.32
IV.NRCA.HHN. ML:1.3 0.00006665000000000001 0.72 AML other m 2021-03-17T00:15:42.00
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