Earthquake with magnitude of ML 1.3 on date 25-11-2020 and time 02:31:18 (Italy) in region 3 km NE Amatrice (RI)

A magnitude ML 1.3 earthquake occured in region: 3 km NE Amatrice (RI), on

  • 25-11-2020 01:31:18 (UTC)
  • 25-11-2020 02:31:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6510, 13.3080 at 7 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
Amatrice RI 3 2657 2657
Accumoli RI 7 667 3324
Campotosto AQ 12 542 3866
Cittareale RI 13 482 4348
Arquata del Tronto AP 14 1178 5526
Capitignano AQ 14 665 6191
Montereale AQ 15 2581 8772
Acquasanta Terme AP 16 2916 11688
Cortino TE 17 656 12344
Crognaleto TE 18 1297 13641
Valle Castellana TE 18 977 14618
Rocca Santa Maria TE 18 537 15155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
34 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
78 Km W of Chieti (51815 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
91 Km SE 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 2020-11-25
01:31:18
42.6507 13.3083 7 2020-11-25
01:39:01
Sala Sismica INGV-Roma 84996411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-25 01:31:18 ± 0.09
Latitude 42.6507 ± 0.0036
Longitude 13.3083 ± 0.0061
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84996411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 489
Semi-minor axis of confidence ellipse (meter) 291
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) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.69518
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
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 84996411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-25 01:39:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-11-25T01:31:43.47 1.0 undecidable manual S 348 77.1672 50 0.87 17
IV.CSP1.EHZ. 2020-11-25T01:31:34.87 0.3 undecidable manual S 350 49.617 50 -0.4 64
IV.EL6.EHZ. 2020-11-25T01:31:32.57 1.0 undecidable manual P 348 77.1672 50 0.1 22
IV.MC2.EHZ. 2020-11-25T01:31:29.77 0.6 undecidable manual S 341 30.5472 103 0.29 45
IV.MNTT.EHZ. 2020-11-25T01:31:28.98 0.6 undecidable manual P 27 51.2154 50 0.5 42
IV.MMO1.EHZ. 2020-11-25T01:31:28.43 0.3 undecidable manual S 3 27.6501 104 -0.08 71
IV.NRCA.HHZ. 2020-11-25T01:31:27.80 0.3 undecidable manual S 322 25.752 105 -0.07 72
IV.CSP1.EHZ. 2020-11-25T01:31:27.86 0.1 undecidable manual P 350 49.617 50 -0.38 86
IV.LNSS.HNN. 2020-11-25T01:31:26.62 0.3 undecidable manual S 256 22.4553 107 -0.18 71
MN.AQU.HNE. 2020-11-25T01:31:26.07 0.1 undecidable manual P 166 33.8439 102 0.52 85
IV.TERO.HHZ. 2020-11-25T01:31:26.90 0.6 undecidable manual S 97 24.3534 106 -0.5 44
IV.MC2.EHZ. 2020-11-25T01:31:25.61 0.1 undecidable manual P 341 30.5472 103 0.72 79
IV.MTRA.EHZ. 2020-11-25T01:31:24.01 0.3 undecidable manual S 31 13.7751 117 0.04 74
IV.CAMP.HHZ. 2020-11-25T01:31:24.40 0.3 undecidable manual S 147 15.1737 114 -0.01 74
IV.MMO1.EHZ. 2020-11-25T01:31:24.16 0.1 undecidable manual P 3 27.6501 104 -0.17 93
IV.TERO.HHZ. 2020-11-25T01:31:23.44 0.1 undecidable manual P 97 24.3534 106 -0.25 92
IV.LNSS.HNN. 2020-11-25T01:31:23.23 0.1 undecidable manual P 256 22.4553 107 -0.11 95
IV.NRCA.HHZ. 2020-11-25T01:31:23.86 0.1 undecidable manual P 322 25.752 105 -0.1 95
IV.CAMP.HHZ. 2020-11-25T01:31:21.95 0.1 undecidable manual P 147 15.1737 114 -0.01 98
IV.SMA1.EHZ. 2020-11-25T01:31:21.32 0.3 undecidable manual S 136 3.0969 155 0.06 75
IV.MTRA.EHZ. 2020-11-25T01:31:21.81 0.1 undecidable manual P 31 13.7751 117 0.1 97
IV.T1299.HNE. 2020-11-25T01:31:20.16 0.1 undecidable manual P 229 2.7972 158 0.04 100
IV.SMA1.EHZ. 2020-11-25T01:31:20.27 0.1 undecidable manual P 136 3.0969 155 0.12 98
IV.T1299.HNE. 2020-11-25T01:31:20.90 0.3 undecidable manual S 229 2.7972 158 -0.31 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.2 0.00019700000000000002 0.96 AML other m 2020-11-25T01:31:24.14
IV.MTRA.EHE. ML:1.4 0.00027400000000000005 0.1 AML other m 2020-11-25T01:31:24.14
IV.MTRA.HNE. ML:1.4 0.0003095 0.98 AML other m 2020-11-25T01:31:24.13
IV.CAMP.HHN. ML:0.8 0.00007580000000000001 0.46 AML other m 2020-11-25T01:31:24.64
IV.CAMP.HHE. ML:0.9 0.00008895000000000001 0.36 AML other m 2020-11-25T01:31:24.79
IV.MTRA.HNN. ML:1.3 0.00022799999999999999 0.6 AML other m 2020-11-25T01:31:24.92
IV.TERO.HHN. ML:1.4 0.000153 0.42 AML other m 2020-11-25T01:31:27.31
IV.TERO.HHE. ML:1.3 0.0001275 0.12 AML other m 2020-11-25T01:31:27.46
IV.NRCA.HHN. ML:1.2 0.0000994 0.08 AML other m 2020-11-25T01:31:28.17
IV.NRCA.HHE. ML:1.4 0.000148 0.14 AML other m 2020-11-25T01:31:28.48
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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