Earthquake with magnitude of ML 1.1 on date 26-02-2020 and time 03:10:02 (Italy) in region 2 km E Accumoli (RI)

A magnitude ML 1.1 earthquake occured in region: 2 km E Accumoli (RI), on

  • 26-02-2020 02:10:02 (UTC)
  • 26-02-2020 03:10:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6930, 13.2770 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Accumoli RI 2 667 667
Amatrice RI 7 2657 3324
Arquata del Tronto AP 9 1178 4502
Cittareale RI 13 482 4984
Acquasanta Terme AP 14 2916 7900
Campotosto AQ 17 542 8442
Montegallo AP 17 523 8965
Valle Castellana TE 19 977 9942
Norcia PG 19 4957 14899
Montereale AQ 19 2581 17480
Capitignano AQ 19 665 18145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Teramo (54892 inhabitants)
39 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km NE of Tivoli (56533 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 1.1 2020-02-26
02:10:02
42.693 13.2768 11 2020-02-26
02:19:47
Sala Sismica INGV-Roma 76817171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-26 02:10:02 ± 0.11
Latitude 42.6930 ± 0.0036
Longitude 13.2768 ± 0.0073
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76817171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 588
Semi-minor axis of confidence ellipse (meter) 124
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37052
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 76817171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-26 02:19:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2020-02-26T02:10:33.94 3.0 undecidable manual Sn -0.54 0
IV.PTRJ.HNZ. 2020-02-26T02:10:25.10 3.0 undecidable manual Pn -0.34 0
IV.ROSPO.HHZ. 2020-02-26T02:10:21.43 3.0 positive manual Pn 0.55 0
IV.FDMO.HHZ. 2020-02-26T02:10:15.89 0.6 undecidable manual S 338 41.1255 90 -0.03 50
IV.GIGS.HHZ. 2020-02-26T02:10:14.48 0.3 undecidable manual S 138 35.9418 90 -0.06 75
IV.TERO.HHZ. 2020-02-26T02:10:12.16 0.3 undecidable manual S 106 27.75 90 -0.2 73
IV.MURB.HHZ. 2020-02-26T02:10:12.56 3.0 undecidable manual Pg 0.82 0
IV.MMO1.EHZ. 2020-02-26T02:10:11.06 0.6 undecidable manual S 10 23.2545 90 -0.09 51
IV.LNSS.HHZ. 2020-02-26T02:10:10.65 0.3 undecidable manual S 243 21.7671 90 -0.09 78
IV.RM33.EHZ. 2020-02-26T02:10:10.34 0.3 undecidable manual S 194 21.0678 90 -0.22 76
IV.FDMO.HHZ. 2020-02-26T02:10:10.82 0.1 undecidable manual P 338 41.1255 90 0.58 87
IV.NRCA.HHZ. 2020-02-26T02:10:09.86 0.3 undecidable manual S 320 20.4684 90 -0.54 71
IV.GIGS.HHZ. 2020-02-26T02:10:09.41 0.3 undecidable manual P 138 35.9418 90 -0.03 75
IV.TERO.HHZ. 2020-02-26T02:10:08.07 0.1 undecidable manual P 106 27.75 90 -0.12 100
IV.T1299.HNZ. 2020-02-26T02:10:07.03 0.3 undecidable manual S 176 6.4935 139 0.07 80
IV.MMO1.EHZ. 2020-02-26T02:10:07.37 0.6 undecidable manual P 10 23.2545 90 -0.12 51
IV.SMA1.EHZ. 2020-02-26T02:10:07.23 0.3 undecidable manual S 145 8.3805 128 -0.09 77
IV.LNSS.HHZ. 2020-02-26T02:10:07.16 0.3 undecidable manual P 243 21.7671 90 -0.09 78
IV.RM33.EHZ. 2020-02-26T02:10:07.54 0.3 undecidable manual P 194 21.0678 90 0.39 72
IV.NRCA.HHZ. 2020-02-26T02:10:06.84 0.3 undecidable manual P 320 20.4684 90 -0.22 76
IV.T1299.HNZ. 2020-02-26T02:10:05.31 0.3 undecidable manual P 176 6.4935 139 0.24 77
IV.SMA1.EHZ. 2020-02-26T02:10:05.52 0.3 undecidable manual P 145 8.3805 128 0.24 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.00012269944999999998 0.08 AML other m 2020-02-26T02:10:10.08
IV.NRCA.HHN. ML:1.1 0.000093427595 0.1392 AML other m 2020-02-26T02:10:10.85
IV.NRCA.HNE. ML:1.2 0.00011038511 0.0688 AML other m 2020-02-26T02:10:10.12
IV.NRCA.HNN. ML:1.4 0.00019767840000000001 0.7008 AML other m 2020-02-26T02:10:15.53
IV.LNSS.HHE. ML:1.0 0.000064862845 0.12 AML other m 2020-02-26T02:10:11.21
IV.LNSS.HHN. ML:1.1 0.00008088445549999999 0.3408 AML other m 2020-02-26T02:10:10.73
IV.LNSS.HNE. ML:1.2 0.00010914560000000001 0.6704 AML other m 2020-02-26T02:10:16.08
IV.LNSS.HNN. ML:1.5 0.0001944704 1.1616 AML other m 2020-02-26T02:10:24.12
IV.TERO.HHE. ML:0.9 0.000046897535000000005 0.12 AML other m 2020-02-26T02:10:13.24
IV.TERO.HHN. ML:0.8 0.00003445675 0.12 AML other m 2020-02-26T02:10:13.16
IV.TERO.HNE. ML:1.3 0.000092955495 0.92 AML other m 2020-02-26T02:10:23.40
IV.TERO.HNN. ML:1.6 0.00018306885 1.1312 AML other m 2020-02-26T02:10:12.13
IV.GIGS.HHE. ML:0.8 0.00002658326 2.4992 AML other m 2020-02-26T02:10:29.07
IV.GIGS.HHN. ML:0.8 0.00002537969 2.36 AML other m 2020-02-26T02:10:10.15
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