Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 21-05-2020 and time 21:06:07 (Italy) in region 1 km E Capitignano (AQ)

A magnitude ML 1.0 earthquake occured in region: 1 km E Capitignano (AQ), on

  • 21-05-2020 19:06:07 (UTC)
  • 21-05-2020 21:06:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5160, 13.3170 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 1 665 665
Montereale AQ 6 2581 3246
Campotosto AQ 7 542 3788
Barete AQ 8 737 4525
Pizzoli AQ 9 4326 8851
Cagnano Amiterno AQ 10 1369 10220
Amatrice RI 13 2657 12877
Crognaleto TE 14 1297 14174
Borbona RI 15 617 14791
Scoppito AQ 17 3727 18518
Cittareale RI 17 482 19000
Posta RI 18 694 19694
Fano Adriano TE 19 296 19990
L'Aquila AQ 19 69753 89743
Pietracamela TE 20 271 90014
Cortino TE 20 656 90670

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
72 Km W of Chieti (51815 inhabitants)
74 Km W of Pescara (121014 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
97 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 1.0 2020-05-21
19:06:07		 42.516 13.3168 12 2020-05-21
19:13:49		 Sala Sismica INGV-Roma 79418561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-21 19:06:07 ± 0.09
Latitude 42.5160 ± 0.0054
Longitude 13.3168 ± 0.0049
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 79418561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 12
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38311
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 79418561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-21 19:13:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTV.HNZ. 2020-05-21T19:07:44.91 3.0 undecidable manual Sg 13.86 0
GU.CANO.HHZ. 2020-05-21T19:07:42.64 3.0 undecidable manual Sn -0.52 0
AC.VLO.HHZ. 2020-05-21T19:07:25.12 3.0 negative manual Pg 26.299999 0
IV.FIR.HHZ. 2020-05-21T19:07:07.52 3.0 undecidable manual Sg 4.95 0
IV.MSAG.HHZ. 2020-05-21T19:07:05.13 3.0 undecidable manual Sg 8.86 0
IV.CMPR.HHZ. 2020-05-21T19:07:05.15 3.0 undecidable manual Sn 7.17 0
IV.PESA.HHZ. 2020-05-21T19:07:02.35 3.0 undecidable manual Sg 4.35 0
IV.ZONE.HHZ. 2020-05-21T19:07:01.20 3.0 undecidable manual Pn 8.14 0
IV.CAGR.HHZ. 2020-05-21T19:06:54.48 3.0 undecidable manual Pn 5.16 0
IV.MAON.HHZ. 2020-05-21T19:06:53.86 3.0 undecidable manual Sg 6.08 0
IV.ROSPO.HHZ. 2020-05-21T19:06:51.20 3.0 undecidable manual Sg 5.96 0
IV.MCRV.HHZ. 2020-05-21T19:06:49.63 3.0 undecidable manual Sn -1.84 0
IV.APEC.HNZ. 2020-05-21T19:06:44.92 3.0 undecidable manual Sn -7.24 0
IV.SENA.HHZ. 2020-05-21T19:06:43.89 3.0 undecidable manual Pn 9.5 0
IV.CFMN.HHZ. 2020-05-21T19:06:40.75 3.0 undecidable manual Sn -0.73 0
IV.CRTC.HHZ. 2020-05-21T19:06:30.03 3.0 undecidable manual Pg 6.99 0
IV.MMO1.EHZ. 2020-05-21T19:06:21.70 0.1 undecidable manual S 1 42.5241 92 0.19 92
IV.NRCA.HHZ. 2020-05-21T19:06:20.49 0.3 undecidable manual S 335 38.9277 92 -0.06 70
IV.PTRJ.HNZ. 2020-05-21T19:06:18.27 3.0 undecidable manual P 3.03 0
IV.MTRA.EHZ. 2020-05-21T19:06:17.12 0.1 undecidable manual S 14 27.4503 94 -0.39 89
IV.LNSS.HNZ. 2020-05-21T19:06:16.72 0.1 undecidable manual S 293 24.5532 95 -0.01 97
IV.TERO.HHZ. 2020-05-21T19:06:16.86 0.1 undecidable manual S 63 26.2515 95 -0.32 92
IV.NRCA.HHZ. 2020-05-21T19:06:15.07 0.1 undecidable manual P 335 38.9277 92 -0.05 94
IV.GIGS.HHE. 2020-05-21T19:06:15.79 0.1 undecidable manual S 108 22.0668 97 -0.28 95
IV.MMO1.EHZ. 2020-05-21T19:06:15.73 0.1 undecidable manual P 1 42.5241 92 0.05 94
IV.TERO.HHZ. 2020-05-21T19:06:13.15 0.1 undecidable manual P 63 26.2515 95 -0.03 97
IV.T1299.EHN. 2020-05-21T19:06:13.77 0.3 undecidable manual S 348 13.3755 114 -0.05 73
IV.MTRA.EHZ. 2020-05-21T19:06:13.26 0.1 undecidable manual P 14 27.4503 94 -0.1 95
IV.SMA1.EHZ. 2020-05-21T19:06:13.97 0.1 undecidable manual S 7 12.7761 116 0.29 95
IV.GIGS.HHE. 2020-05-21T19:06:12.57 0.1 undecidable manual P 108 22.0668 97 0.04 95
IV.RM33.EHZ. 2020-05-21T19:06:12.40 0.1 undecidable manual S 265 8.3805 134 -0.32 94
IV.LNSS.HNZ. 2020-05-21T19:06:12.97 0.1 undecidable manual P 293 24.5532 95 0.05 96
IV.CAMP.HHE. 2020-05-21T19:06:12.56 0.1 undecidable manual S 74 7.881 137 -0.05 100
IV.SMA1.EHZ. 2020-05-21T19:06:11.39 0.1 undecidable manual P 7 12.7761 116 0.24 95
IV.VVLD.HHZ. 2020-05-21T19:06:11.54 3.0 positive manual P 0.09 0
IV.T1299.EHN. 2020-05-21T19:06:11.60 0.1 undecidable manual P 348 13.3755 114 0.36 92
IV.RM33.EHZ. 2020-05-21T19:06:10.65 1.0 undecidable manual P 265 8.3805 134 0.05 25
IV.CAMP.HHE. 2020-05-21T19:06:10.92 0.1 undecidable manual P 74 7.881 137 0.38 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.9 0.00010395 0.9 AML other m 2020-05-21T19:06:12.47
IV.RM33.EHE. ML:1.2 0.00017749999999999998 0.24 AML other m 2020-05-21T19:06:12.64
IV.SMA1.EHN. ML:1.4 0.000228 0.44 AML other m 2020-05-21T19:06:14.35
IV.SMA1.EHE. ML:1.4 0.00022250000000000001 0.22 AML other m 2020-05-21T19:06:14.16
IV.TERO.HHN. ML:0.9 0.0000468 1.64 AML other m 2020-05-21T19:06:16.97
IV.TERO.HHE. ML:0.9 0.00004055 0.26 AML other m 2020-05-21T19:06:17.02
IV.MTRA.EHE. ML:0.9 0.0000395 0.46 AML other m 2020-05-21T19:06:17.87
IV.MTRA.EHN. ML:0.8 0.0000337 0.64 AML other m 2020-05-21T19:06:18.53
IV.NRCA.HHE. ML:1.1 0.0000385 0.78 AML other m 2020-05-21T19:06:20.37
IV.NRCA.HHN. ML:0.8 0.000025750000000000002 0.66 AML other m 2020-05-21T19:06:20.79
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