Earthquake with magnitude of ML 1.2 on date 26-01-2021 and time 19:11:47 (Italy) in region 5 km SE Borbona (RI)

A magnitude ML 1.2 earthquake occured in region: 5 km SE Borbona (RI), on

  • 26-01-2021 18:11:47 (UTC)
  • 26-01-2021 19:11:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4740, 13.1520 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
Borbona RI 5 617 617
Cagnano Amiterno AQ 6 1369 1986
Posta RI 7 694 2680
Micigliano RI 8 127 2807
Antrodoco RI 9 2588 5395
Montereale AQ 10 2581 7976
Borgo Velino RI 11 972 8948
Barete AQ 11 737 9685
Pizzoli AQ 13 4326 14011
Castel Sant'Angelo RI 13 1308 15319
Capitignano AQ 13 665 15984
Scoppito AQ 14 3727 19711
Cittareale RI 16 482 20193
Leonessa RI 18 2435 22628
Cittaducale RI 19 6828 29456

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of L'Aquila (69753 inhabitants)
43 Km E of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
63 Km NE of Guidonia Montecelio (88673 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
65 Km SE of Foligno (57155 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
85 Km W of Chieti (51815 inhabitants)
85 Km NE of Roma (2864731 inhabitants)
86 Km E of Viterbo (67173 inhabitants)
87 Km W of Pescara (121014 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
94 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 1.2 2021-01-26
18:11:47
42.4742 13.1522 11 2021-01-26
18:17:34
Sala Sismica INGV-Roma 86608441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-26 18:11:47 ± 0.06
Latitude 42.4742 ± 0.0027
Longitude 13.1522 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86608441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 492
Semi-minor axis of confidence ellipse (meter) 317
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
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) 140
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36063
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 86608441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-26 18:17:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2021-01-26T18:12:02.85 3.0 undecidable manual S -0.35 0
IV.MMO1.EHZ. 2021-01-26T18:12:00.28 3.0 undecidable manual P 0
IV.FIAM.HHZ. 2021-01-26T18:11:55.68 0.3 undecidable manual S 187 23.0547 50 -0.01 75
IV.SMA1.EHZ. 2021-01-26T18:11:55.83 0.3 undecidable manual S 41 22.8549 50 0.18 73
IV.LNSS.HHZ. 2021-01-26T18:11:54.01 0.3 undecidable manual S 327 16.9719 123 0.01 76
IV.NRCA.HHZ. 2021-01-26T18:11:54.38 0.6 negative manual P 356 40.0266 50 -0.26 46
IV.FIAM.HHZ. 2021-01-26T18:11:52.07 0.1 undecidable manual P 187 23.0547 50 0.04 100
IV.RM33.EHZ. 2021-01-26T18:11:51.32 0.3 undecidable manual S 53 6.3936 149 -0.06 77
IV.SMA1.EHZ. 2021-01-26T18:11:51.89 0.1 undecidable manual P 41 22.8549 50 -0.12 98
IV.LNSS.HHZ. 2021-01-26T18:11:51.13 0.1 undecidable manual P 327 16.9719 123 0.08 100
IV.RM33.EHZ. 2021-01-26T18:11:49.69 1.0 undecidable manual P 53 6.3936 149 0.15 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:1.5 0.000441 0.22 AML other m 2021-01-26T18:11:51.57
IV.RM33.EHE. ML:1.5 0.0004984999999999999 0.22 AML other m 2021-01-26T18:11:51.57
IV.RM33.HNN. ML:1.4 0.00037964805 0.0896 AML other m 2021-01-26T18:11:51.42
IV.RM33.EHN. ML:1.4 0.0003594076 0.0896 AML other m 2021-01-26T18:11:51.42
IV.LNSS.HHN. ML:1.0 0.00007685 0.18 AML other m 2021-01-26T18:11:54.38
IV.LNSS.HHE. ML:0.9 0.00006276254 0.2176 AML other m 2021-01-26T18:11:54.24
IV.NRCA.HHN. ML:1.1 0.000040075034999999994 0.1024 AML other m 2021-01-26T18:12:00.27
IV.NRCA.HHE. ML:1.3 0.000069577685 0.1024 AML other m 2021-01-26T18:12:00.42
IV.LNSS.HNE. ML:1.0 0.000076557495 0.5888 AML other m 2021-01-26T18:11:57.41
IV.LNSS.HNN. ML:1.2 0.000149653775 0.6912 AML other m 2021-01-26T18:11:50.14
IV.SMA1.EHE. ML:0.8 0.0000404306 0.7424 AML other m 2021-01-26T18:11:58.78
IV.SMA1.EHN. ML:0.9 0.000048374945 0.4096 AML other m 2021-01-26T18:11:55.97
IV.FIAM.HNE. ML:2.7 0.0033306994999999996 1.3952 AML other m 2021-01-26T18:11:52.06
IV.FIAM.HNN. ML:1.2 0.000100679075 0.7168 AML other m 2021-01-26T18:12:02.57
IV.FIAM.HHE. ML:0.7 0.00003314433 2.176 AML other m 2021-01-26T18:11:51.33
IV.FIAM.HHN. ML:0.5 0.00002183005 1.6768 AML other m 2021-01-26T18:12:04.99
IV.NRCA.HNE. ML:1.7 0.000163247 0.832 AML other m 2021-01-26T18:12:12.86
IV.NRCA.HNN. ML:1.8 0.00021595895 1.1776 AML other m 2021-01-26T18:11:54.07
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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