Earthquake with magnitude of ML 1.1 on date 31-05-2021 and time 05:59:28 (UTC) in region 3 km SW Cortino (TE)

A magnitude ML 1.1 earthquake occured in region: 3 km SW Cortino (TE), on

  • 31-05-2021 05:59:28 (UTC)
  • 31-05-2021 07:59:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6040, 13.4810 at 14 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cortino TE 3 656 656
Crognaleto TE 6 1297 1953
Fano Adriano TE 7 296 2249
Rocca Santa Maria TE 10 537 2786
Campotosto AQ 10 542 3328
Pietracamela TE 11 271 3599
Montorio al Vomano TE 13 8218 11817
Valle Castellana TE 15 977 12794
Tossicia TE 15 1406 14200
Torricella Sicura TE 16 2641 16841
Amatrice RI 16 2657 19498
Capitignano AQ 17 665 20163
Colledara TE 18 2179 22342
Isola del Gran Sasso d'Italia TE 19 4773 27115
Acquasanta Terme AP 19 2916 30031
Teramo TE 19 54892 84923

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Teramo (54892 inhabitants)
29 Km N of L'Aquila (69753 inhabitants)
56 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
63 Km W of Chieti (51815 inhabitants)
68 Km E of Terni (111501 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
91 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 1.1 2021-05-31
05:59:28
42.6038 13.4813 14 2021-12-29
11:12:05
Bollettino Sismico Italiano INGV 91389401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-31 05:59:28 ± 0.08
Latitude 42.6038 ± 0.0045
Longitude 13.4813 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91389401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 538
Semi-minor axis of confidence ellipse (meter) 143
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37502
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 91389401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-14 09:37:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TREG.EHZ. 2021-05-31T06:01:12.03 3.0 undecidable manual Sg 3.64 0
IV.AGLI.HHZ. 2021-05-31T06:00:44.08 3.0 undecidable manual Sn -6.22 0
AC.KBN.HHZ. 2021-05-31T06:00:44.26 3.0 undecidable manual Pn 1.08 0
IV.QLNO.HHZ. 2021-05-31T06:00:42.37 3.0 undecidable manual Pg 16.65 0
IV.IMOL.HNZ. 2021-05-31T06:00:40.46 3.0 undecidable manual Sg 2.07 0
SI.BOSI.HHZ. 2021-05-31T06:00:31.70 3.0 undecidable manual Pn 0.22 0
IV.FREG.EHZ. 2021-05-31T06:00:29.34 3.0 undecidable manual Pg 6.73 0
IV.NDIM.HHZ. 2021-05-31T06:00:10.60 3.0 negative manual Pn -2.55 0
IV.CRTC.HHZ. 2021-05-31T06:00:10.13 3.0 undecidable manual Sn -7.92 0
IV.AGLI.HHZ. 2021-05-31T06:00:10.85 3.0 undecidable manual Pn 1.38 0
IV.GIZZ.HHZ. 2021-05-31T06:00:09.92 3.0 positive manual Pn -4.13 0
IV.PTRJ.HNZ. 2021-05-31T05:59:54.98 3.0 undecidable manual Sg 1.46 0
IV.MCRV.HHZ. 2021-05-31T05:59:48.17 3.0 undecidable manual Pn -0.13 0
IV.MC2.EHZ. 2021-05-31T05:59:41.76 0.3 undecidable manual S 325 41.625 96 0.12 71
IV.VCEL.EHN. 2021-05-31T05:59:40.78 0.6 undecidable manual S 128 37.4292 97 0.25 45
IV.NRCA.HHZ. 2021-05-31T05:59:40.73 0.3 undecidable manual S 311 39.3273 97 -0.29 66
IV.PTRJ.HNZ. 2021-05-31T05:59:38.62 3.0 undecidable manual P 1.05 0
IV.TOLF.HHZ. 2021-05-31T05:59:38.30 3.0 negative manual P -0.69 0
IV.RM33.HNE. 2021-05-31T05:59:37.03 0.6 undecidable manual S 244 24.2535 105 -0.03 49
IV.MC2.EHZ. 2021-05-31T05:59:36.23 0.3 undecidable manual P 325 41.625 96 0.34 67
IV.T1299.EHZ. 2021-05-31T05:59:35.39 0.3 undecidable manual S 282 16.5723 117 0.23 71
IV.VCEL.EHN. 2021-05-31T05:59:35.44 0.1 undecidable manual P 128 37.4292 97 0.19 91
IV.NRCA.HHZ. 2021-05-31T05:59:35.45 0.1 undecidable manual P 311 39.3273 97 -0.08 93
IV.MTRA.EHE. 2021-05-31T05:59:35.27 0.6 undecidable manual S 338 18.2706 113 -0.3 46
IV.GIGS.HHN. 2021-05-31T05:59:35.12 0.6 undecidable manual S 156 18.2706 113 -0.45 46
IV.SMA1.EHZ. 2021-05-31T05:59:34.27 0.3 undecidable manual S 284 12.2766 128 0.09 74
IV.TERO.HHZ. 2021-05-31T05:59:33.60 0.3 undecidable manual S 78 10.1787 135 -0.17 73
IV.CAMP.HHE. 2021-05-31T05:59:33.64 0.3 undecidable manual S 218 9.5793 138 -0.02 75
IV.GIGS.HHN. 2021-05-31T05:59:32.20 0.3 undecidable manual P 156 18.2706 113 -0.18 73
IV.RM33.HNE. 2021-05-31T05:59:32.87 0.1 undecidable manual P 244 24.2535 105 -0.37 92
IV.T1299.EHZ. 2021-05-31T05:59:32.37 0.3 undecidable manual P 282 16.5723 117 0.23 71
IV.MTRA.EHE. 2021-05-31T05:59:32.31 0.1 undecidable manual P 338 18.2706 113 -0.07 97
IV.SMA1.EHZ. 2021-05-31T05:59:31.73 0.3 undecidable manual P 284 12.2766 128 0.15 73
IV.TERO.HHZ. 2021-05-31T05:59:31.36 0.1 undecidable manual P 78 10.1787 135 0.02 100
IV.CAMP.HHE. 2021-05-31T05:59:31.39 0.1 undecidable manual P 218 9.5793 138 0.11 97
IV.VIVA.HHZ. 2021-05-31T05:59:29.36 3.0 negative manual P 1.5 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.5 0.00029152225 0.16 AML other m 2021-05-31T05:59:33.81
IV.TERO.HHE. ML:1.3 0.00021233295 0.16 AML other m 2021-05-31T05:59:33.81
IV.SMA1.EHN. ML:0.7 0.00004911847499999999 0.8416 AML other m 2021-05-31T05:59:34.78
IV.SMA1.EHE. ML:0.8 0.00006491256500000001 0.3776 AML other m 2021-05-31T05:59:34.71
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download