Earthquake with magnitude of ML 1.3 on date 26-01-2021 and time 05:01:21 (UTC) in region 6 km SW Roccafluvione (AP)

A magnitude ML 1.3 earthquake occured in region: 6 km SW Roccafluvione (AP), on

  • 26-01-2021 05:01:21 (UTC)
  • 26-01-2021 06:01:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8330, 13.4180 at 22 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
Roccafluvione AP 6 2010 2010
Montegallo AP 7 523 2533
Acquasanta Terme AP 7 2916 5449
Palmiano AP 8 196 5645
Venarotta AP 8 2066 7711
Montemonaco AP 11 604 8315
Arquata del Tronto AP 12 1178 9493
Valle Castellana TE 13 977 10470
Ascoli Piceno AP 13 49407 59877
Montefortino FM 14 1178 61055
Comunanza AP 14 3166 64221
Force AP 16 1354 65575
Amandola FM 17 3629 69204
Montefalcone Appennino FM 18 424 69628
Folignano AP 18 9241 78869
Rotella AP 18 906 79775
Rocca Santa Maria TE 19 537 80312
Smerillo FM 19 365 80677

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Teramo (54892 inhabitants)
54 Km N of L'Aquila (69753 inhabitants)
60 Km E of Foligno (57155 inhabitants)
70 Km NW of Montesilvano (53738 inhabitants)
70 Km E of Terni (111501 inhabitants)
77 Km NW of Pescara (121014 inhabitants)
82 Km NW of Chieti (51815 inhabitants)
88 Km S of Ancona (100861 inhabitants)
89 Km E of Perugia (166134 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 1.3 2021-01-26
05:01:21
42.8332 13.4175 22 2021-01-26
05:13:33
Sala Sismica INGV-Roma 86586321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-26 05:01:21 ± 0.09
Latitude 42.8332 ± 0.0027
Longitude 13.4175 ± 0.0061
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86586321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 429
Semi-minor axis of confidence ellipse (meter) 186
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) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35973
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 86586321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-26 05:13:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2021-01-26T05:02:21.07 3.0 undecidable manual Sg 6.47 0
IV.POFI.HHZ. 2021-01-26T05:01:57.84 3.0 undecidable manual S -0.81 0
IT.FIE.HGZ. 2021-01-26T05:01:55.18 3.0 undecidable manual Pg 2.11 0
IV.PTRJ.HNZ. 2021-01-26T05:01:52.78 3.0 negative manual Pg 2.47 0
IV.LNSS.HHZ. 2021-01-26T05:01:36.10 0.3 undecidable manual S 230 39.9267 110 0.6 62
IV.CSP1.EHZ. 2021-01-26T05:01:34.04 0.1 undecidable manual S 329 33.5442 115 0.14 95
IV.FDMO.HHZ. 2021-01-26T05:01:34.17 0.3 undecidable manual S 310 35.0427 113 -0.11 72
IV.CAMP.HHZ. 2021-01-26T05:01:33.92 0.3 undecidable manual S 181 32.9448 115 0.14 71
IV.TERO.HHZ. 2021-01-26T05:01:32.61 0.6 undecidable manual S 147 27.8499 120 0.05 49
IV.MMUR.HNZ. 2021-01-26T05:01:32.67 3.0 undecidable manual P -4.08 0
IV.SMA1.EHZ. 2021-01-26T05:01:31.50 0.3 undecidable manual S 197 23.4543 126 -0.08 74
IV.NRCA.HHZ. 2021-01-26T05:01:31.87 0.3 undecidable manual S 270 24.6531 124 0.03 73
IV.MF5.EHZ. 2021-01-26T05:01:30.68 0.3 undecidable manual S 11 17.4714 135 0.32 71
IV.MMO1.EHZ. 2021-01-26T05:01:29.08 0.3 undecidable manual S 315 10.3785 151 -0.14 75
IV.LNSS.HHZ. 2021-01-26T05:01:29.72 0.1 undecidable manual P 230 39.9267 110 -0.02 97
IV.FDMO.HHZ. 2021-01-26T05:01:28.81 0.1 undecidable manual P 310 35.0427 113 -0.22 93
IV.MTRA.HNZ. 2021-01-26T05:01:28.87 0.3 undecidable manual S 191 8.6802 155 -0.13 75
IV.CAMP.HHZ. 2021-01-26T05:01:28.55 0.3 undecidable manual P 181 32.9448 115 -0.19 71
IV.CSP1.EHZ. 2021-01-26T05:01:28.67 0.6 positive manual P 329 33.5442 115 -0.15 47
IV.NRCA.HHZ. 2021-01-26T05:01:27.56 0.6 undecidable manual P 270 24.6531 124 -0.07 49
IV.TERO.HHZ. 2021-01-26T05:01:27.97 0.1 undecidable manual P 147 27.8499 120 -0.07 97
IV.SMA1.EHZ. 2021-01-26T05:01:27.49 0.1 undecidable manual P 197 23.4543 126 0.02 99
IV.T1299.EHZ. 2021-01-26T05:01:27.74 0.3 undecidable manual P 207 24.6531 124 0.11 73
IV.MF5.EHZ. 2021-01-26T05:01:26.83 0.1 undecidable manual P 11 17.4714 135 0.06 100
IV.MMO1.EHZ. 2021-01-26T05:01:26.00 0.1 undecidable manual P 315 10.3785 151 -0.11 100
IV.MTRA.HNZ. 2021-01-26T05:01:25.87 0.1 undecidable manual P 191 8.6802 155 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.6 0.00020312435 0.1376 AML other m 2021-01-26T05:01:32.15
IV.NRCA.HHE. ML:1.3 0.00009793081000000001 0.1376 AML other m 2021-01-26T05:01:33.63
IV.MTRA.EHE. ML:1.3 0.00014107235000000002 0.0608 AML other m 2021-01-26T05:01:29.02
IV.MTRA.EHN. ML:1.4 0.0001734762 0.16 AML other m 2021-01-26T05:01:29.04
IV.MTRA.HNE. ML:1.3 0.00014734845099999999 0.0704 AML other m 2021-01-26T05:01:29.02
IV.MTRA.HNN. ML:1.4 0.00017097764999999998 0.1504 AML other m 2021-01-26T05:01:28.96
IV.NRCA.HNE. ML:1.4 0.000121628135 0.1312 AML other m 2021-01-26T05:01:33.57
IV.NRCA.HNN. ML:1.6 0.00017670952499999998 0.1024 AML other m 2021-01-26T05:01:32.15
IV.CSP1.EHE. ML:1.1 0.00004530397999999999 0.0992 AML other m 2021-01-26T05:01:34.57
IV.CSP1.EHN. ML:1.0 0.00003816099000000001 0.16 AML other m 2021-01-26T05:01:34.30
IV.FDMO.HHE. ML:0.9 0.000028761210000000002 0.1184 AML other m 2021-01-26T05:01:34.90
IV.FDMO.HHN. ML:0.8 0.000020397282499999997 0.16 AML other m 2021-01-26T05:01:34.70
IV.LNSS.HHE. ML:1.1 0.00003860698 0.1408 AML other m 2021-01-26T05:01:36.47
IV.LNSS.HHN. ML:1.3 0.000058449379000000006 0.2592 AML other m 2021-01-26T05:01:36.25
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