Earthquake with magnitude of ML 1.3 on date 25-01-2021 and time 12:19:15 (UTC) in region 6 km SW Roccafluvione (AP)

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

  • 25-01-2021 12:19:15 (UTC)
  • 25-01-2021 13:19:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8320, 13.4120 at 23 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 9 196 5645
Venarotta AP 9 2066 7711
Montemonaco AP 10 604 8315
Arquata del Tronto AP 11 1178 9493
Valle Castellana TE 13 977 10470
Montefortino FM 14 1178 11648
Ascoli Piceno AP 14 49407 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 20 365 80677

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Teramo (54892 inhabitants)
53 Km N of L'Aquila (69753 inhabitants)
59 Km E of Foligno (57155 inhabitants)
69 Km E of Terni (111501 inhabitants)
70 Km NW of Montesilvano (53738 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 2021-01-25
12:19:15
42.8318 13.412 23 2021-01-25
12:35:32
Sala Sismica INGV-Roma 86561601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-25 12:19:15 ± 0.15
Latitude 42.8318 ± 0.0045
Longitude 13.4120 ± 0.0110
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86561601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 723
Semi-minor axis of confidence ellipse (meter) 654
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39660
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:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 86561601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-25 12:35:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHZ. 2021-01-25T12:20:59.82 3.0 undecidable manual Sn -9.99 0
IV.EUCT.HNZ. 2021-01-25T12:20:59.79 3.0 undecidable manual Sn 1.97 0
IV.MCEL.HHZ. 2021-01-25T12:20:43.49 3.0 undecidable manual Sn -4.24 0
IV.SGO.HNZ. 2021-01-25T12:20:40.50 3.0 undecidable manual Sg 2.79 0
IV.PZUN.HHZ. 2021-01-25T12:20:38.89 3.0 undecidable manual Sn -2.77 0
IV.CAFE.HHZ. 2021-01-25T12:20:31.86 3.0 undecidable manual Sg 4.14 0
IV.CAGR.HHZ. 2021-01-25T12:20:30.12 3.0 undecidable manual Pn -5.77 0
IV.MTMR.HNZ. 2021-01-25T12:20:28.43 3.0 undecidable manual Sg 1.13 0
IV.MRB1.HHZ. 2021-01-25T12:20:22.98 3.0 undecidable manual Sg 0.11 0
IV.MILZ.HHZ. 2021-01-25T12:20:20.44 3.0 positive manual Pn -8.81 0
IV.FIR.HHZ. 2021-01-25T12:20:04.13 3.0 undecidable manual Sn -3.3 0
IV.MAGA.HHZ. 2021-01-25T12:20:04.28 3.0 undecidable manual Pn -4 0
IV.CELB.HHZ. 2021-01-25T12:19:59.71 3.0 undecidable manual Pg 8.13 0
IV.FIR.HHZ. 2021-01-25T12:19:40.89 3.0 undecidable manual Pn -3.26 0
IT.RMVT.HGZ. 2021-01-25T12:19:35.83 3.0 undecidable manual Pg -0.58 0
IV.BARO.EHZ. 2021-01-25T12:19:34.88 3.0 undecidable manual P -0.98 0
IV.GIGS.HHE. 2021-01-25T12:19:30.81 0.6 undecidable manual S 163 44.0226 110 0.45 44
IV.ATFO.HHZ. 2021-01-25T12:19:30.11 3.0 undecidable manual S 0
IV.FDMO.HHE. 2021-01-25T12:19:28.26 0.6 undecidable manual S 311 34.8429 116 0.16 48
IV.CAMP.HHE. 2021-01-25T12:19:28.00 0.6 undecidable manual S 180 32.8449 118 0.36 46
IV.TERO.HHZ. 2021-01-25T12:19:26.66 0.6 undecidable manual S 146 27.9498 123 0.14 48
IV.NRCA.HNN. 2021-01-25T12:19:25.97 0.6 undecidable manual S 271 24.2535 128 0.26 47
IV.SMA1.EHZ. 2021-01-25T12:19:25.45 0.6 undecidable manual S 196 23.1546 129 -0.04 50
IV.ATFO.HHZ. 2021-01-25T12:19:25.51 3.0 undecidable manual P 0
IV.ARRO.EHZ. 2021-01-25T12:19:24.12 3.0 undecidable manual P 0
IV.T0110.HHZ. 2021-01-25T12:19:24.76 3.0 undecidable manual P 0
IV.MF5.EHZ. 2021-01-25T12:19:24.83 0.6 undecidable manual S 13 17.7711 138 0.4 47
IV.GIGS.HHE. 2021-01-25T12:19:23.66 0.1 undecidable manual P 163 44.0226 110 -0.45 88
IV.MMO1.HNN. 2021-01-25T12:19:23.01 0.6 undecidable manual S 317 10.1787 153 -0.27 49
IV.LNSS.HHZ. 2021-01-25T12:19:23.63 0.1 undecidable manual P 230 39.5271 113 0.16 94
IV.CAMP.HHE. 2021-01-25T12:19:22.56 0.1 undecidable manual P 180 32.8449 118 0.02 98
IV.MTRA.EHZ. 2021-01-25T12:19:22.95 0.6 undecidable manual S 189 8.3805 157 -0.13 50
IV.FDMO.HHE. 2021-01-25T12:19:22.68 0.1 undecidable manual P 311 34.8429 116 -0.12 96
IV.NRCA.HNN. 2021-01-25T12:19:21.50 0.1 undecidable manual P 271 24.2535 128 0.08 98
IV.SMA1.EHZ. 2021-01-25T12:19:21.31 0.1 undecidable manual P 196 23.1546 129 0.02 100
IV.TERO.HHZ. 2021-01-25T12:19:21.77 0.1 undecidable manual P 146 27.9498 123 -0.12 97
IV.MF5.EHZ. 2021-01-25T12:19:20.87 0.1 undecidable manual P 13 17.7711 138 0.19 98
IV.MTRA.EHZ. 2021-01-25T12:19:19.76 0.1 undecidable manual P 189 8.3805 157 -0.14 100
IV.MMO1.HNN. 2021-01-25T12:19:19.70 0.1 undecidable manual P 317 10.1787 153 -0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.4 0.0001657325 0.1792 AML other m 2021-01-25T12:19:22.99
IV.MTRA.EHN. ML:1.5 0.00021463415 0.16 AML other m 2021-01-25T12:19:22.83
IV.MF5.EHE. ML:1.0 0.00006140244 1.3952 AML other m 2021-01-25T12:19:25.47
IV.MF5.EHN. ML:1.2 0.000083461226 0.2176 AML other m 2021-01-25T12:19:25.51
IV.SMA1.EHE. ML:1.3 0.00009754983 0.1408 AML other m 2021-01-25T12:19:26.06
IV.SMA1.EHN. ML:1.4 0.000113262145 0.2368 AML other m 2021-01-25T12:19:25.73
IV.TERO.HHE. ML:0.9 0.000030428525 1.7408 AML other m 2021-01-25T12:19:26.68
IV.TERO.HHN. ML:1.3 0.00008377119499999999 2.5792 AML other m 2021-01-25T12:19:27.85
IV.LNSS.HHE. ML:1.3 0.0000567705675 0.8576 AML other m 2021-01-25T12:19:27.37
IV.LNSS.HHN. ML:1.3 0.00006494633 0.3008 AML other m 2021-01-25T12:19:27.05
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