Earthquake with magnitude of ML 1.4 on date 26-02-2020 and time 09:06:56 (UTC) in region 3 km N Accumoli (RI)

A magnitude ML 1.4 earthquake occured in region: 3 km N Accumoli (RI), on

  • 26-02-2020 09:06:56 (UTC)
  • 26-02-2020 10:06:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7230, 13.2480 at 11 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
Accumoli RI 3 667 667
Arquata del Tronto AP 7 1178 1845
Amatrice RI 11 2657 4502
Cittareale RI 14 482 4984
Acquasanta Terme AP 14 2916 7900
Norcia PG 15 4957 12857
Montegallo AP 15 523 13380
Cascia PG 19 3217 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
52 Km E of Terni (111501 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
84 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
100 Km E of Viterbo (67173 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 1.4 2020-02-26
09:06:56
42.7232 13.2477 11 2020-07-18
21:08:25
Bollettino Sismico Italiano INGV 77167351
Reviewed
Rev100
ML 1.6 2020-02-26
09:06:56
42.7247 13.2433 10 2020-02-26
09:13:22
Sala Sismica INGV-Roma 76825801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-26 09:06:56 ± 0.05
Latitude 42.7232 ± 0.0027
Longitude 13.2477 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77167351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 348
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
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) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 0.43887
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 76825801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-26 09:13:22

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 77167351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-10 15:24:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.HNE. 2020-02-26T09:07:12.32 0.6 undecidable manual S 333 48.7179 50 0.27 45
IV.FDMO.HHZ. 2020-02-26T09:07:09.01 0.3 undecidable manual S 339 37.1295 50 0.07 72
IV.GIGS.HHN. 2020-02-26T09:07:09.30 0.6 undecidable manual S 138 40.0266 50 -0.42 44
IV.MF5.EHZ. 2020-02-26T09:07:08.74 0.6 undecidable manual S 30 34.0437 50 0.62 42
IT.MTCL.HGZ. 2020-02-26T09:07:08.47 0.6 undecidable manual S 326 36.1416 50 -0.22 46
IV.GAVE.EHZ. 2020-02-26T09:07:06.82 0.3 undecidable manual S 263 29.0487 50 0.04 73
IV.TERO.HHN. 2020-02-26T09:07:06.91 0.6 undecidable manual S 111 31.1466 50 -0.43 45
IV.CAMP.HHZ. 2020-02-26T09:07:05.50 0.6 undecidable manual S 148 24.6531 50 -0.1 48
IV.MML1.HNE. 2020-02-26T09:07:05.52 0.3 undecidable manual P 333 48.7179 50 0.03 71
IV.RM33.HNN. 2020-02-26T09:07:05.51 0.3 undecidable manual S 186 23.9538 50 0.09 73
IV.MC2.EHZ. 2020-02-26T09:07:04.95 0.6 undecidable manual S 347 21.4674 50 0.2 48
IV.MMO1.EHZ. 2020-02-26T09:07:04.35 0.3 undecidable manual S 18 20.5683 50 -0.17 72
IV.CESI.HHZ. 2020-02-26T09:07:04.32 1.0 undecidable manual P 318 41.9247 50 -0.11 24
IV.LNSS.HNE. 2020-02-26T09:07:04.79 0.3 undecidable manual S 232 21.5673 50 0 75
IV.MF5.EHZ. 2020-02-26T09:07:03.71 0.1 positive manual P 30 34.0437 50 0.49 88
IV.GIGS.HHN. 2020-02-26T09:07:03.77 0.3 undecidable manual P 138 40.0266 50 -0.37 67
IT.MTCL.HGZ. 2020-02-26T09:07:03.38 0.3 undecidable manual P 326 36.1416 50 -0.17 70
IV.FDMO.HHZ. 2020-02-26T09:07:03.50 0.3 undecidable manual P 339 37.1295 50 -0.19 70
IV.GAVE.EHZ. 2020-02-26T09:07:02.36 0.3 undecidable manual P 263 29.0487 50 -0.09 72
IV.TERO.HHN. 2020-02-26T09:07:02.79 0.3 undecidable manual P 111 31.1466 50 0.02 73
IV.SMA1.EHZ. 2020-02-26T09:07:02.07 0.3 undecidable manual S 145 12.5763 131 -0.2 73
IV.T1299.HNE. 2020-02-26T09:07:02.00 0.3 undecidable manual S 164 10.2786 137 0.3 72
IV.NRCA.HNZ. 2020-02-26T09:07:02.90 0.3 undecidable manual S 318 16.3725 124 -0.43 69
IV.MTRA.HNZ. 2020-02-26T09:07:02.08 0.3 undecidable manual S 73 12.6762 130 -0.23 72
IV.LNSS.HNE. 2020-02-26T09:07:01.30 0.1 positive manual P 232 21.5673 50 0.01 99
IV.MC2.EHZ. 2020-02-26T09:07:01.24 0.1 undecidable manual P 347 21.4674 50 -0.04 99
IV.CAMP.HHZ. 2020-02-26T09:07:01.75 0.3 undecidable manual P 148 24.6531 50 -0.02 74
IV.RM33.HNN. 2020-02-26T09:07:01.78 0.3 undecidable manual P 186 23.9538 50 0.12 73
IV.MMO1.EHZ. 2020-02-26T09:07:01.25 0.6 undecidable manual P 18 20.5683 50 0.11 49
IV.NRCA.HNZ. 2020-02-26T09:07:00.39 0.1 negative manual P 318 16.3725 124 -0.06 99
IV.SMA1.EHZ. 2020-02-26T09:07:00.00 0.1 undecidable manual P 145 12.5763 131 0.16 98
IV.T1299.HNE. 2020-02-26T09:06:59.84 0.1 undecidable manual P 164 10.2786 137 0.32 95
IV.MTRA.HNZ. 2020-02-26T09:06:59.92 0.1 positive manual P 73 12.6762 130 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:1.6 0.00041593829999999997 0.1344 AML other m 2020-02-26T09:07:02.11
IV.MTRA.EHE. ML:1.6 0.00042239535 0.1408 AML other m 2020-02-26T09:07:02.18
IV.SMA1.EHE. ML:1.1 0.00013699844999999998 0.0832 AML other m 2020-02-26T09:07:02.30
IV.SMA1.EHN. ML:1.2 0.000150227945 0.1216 AML other m 2020-02-26T09:07:02.30
IV.MTRA.HNN. ML:1.5 0.0003642276 0.2048 AML other m 2020-02-26T09:07:02.56
IV.MTRA.EHN. ML:1.5 0.00035760345 0.1984 AML other m 2020-02-26T09:07:02.66
IV.NRCA.HNE. ML:1.7 0.00042047465 0.064 AML other m 2020-02-26T09:07:03.29
IV.NRCA.HHE. ML:1.7 0.0004640861 0.064 AML other m 2020-02-26T09:07:03.29
IV.NRCA.HNN. ML:1.8 0.0004826817 0.0768 AML other m 2020-02-26T09:07:03.32
IV.NRCA.HHN. ML:1.7 0.0004762323 0.0768 AML other m 2020-02-26T09:07:03.36
IV.GAVE.EHN. ML:1.3 0.000102969425 0.1344 AML other m 2020-02-26T09:07:07.16
IV.GAVE.EHE. ML:1.4 0.00012490655 0.16 AML other m 2020-02-26T09:07:07.48
IV.FDMO.HHN. ML:1.0 0.00003893854 0.16 AML other m 2020-02-26T09:07:09.74
IV.FDMO.HHE. ML:0.9 0.000029788677999999998 0.1408 AML other m 2020-02-26T09:07:10.48
IV.CESI.HHN. ML:1.3 0.00006915074 0.1408 AML other m 2020-02-26T09:07:10.61
IV.CESI.HHE. ML:1.1 0.00003840243 0.1216 AML other m 2020-02-26T09:07:10.69
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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