Earthquake with magnitude of ML 1.2 on date 07-01-2021 and time 10:58:53 (Italy) in region 5 km SW Accumoli (RI)

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

  • 07-01-2021 09:58:53 (UTC)
  • 07-01-2021 10:58:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6500, 13.2290 at 10 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 5 667 667
Amatrice RI 5 2657 3324
Cittareale RI 7 482 3806
Montereale AQ 14 2581 6387
Arquata del Tronto AP 15 1178 7565
Campotosto AQ 15 542 8107
Capitignano AQ 16 665 8772
Borbona RI 17 617 9389
Posta RI 18 694 10083
Cascia PG 19 3217 13300
Norcia PG 19 4957 18257
Acquasanta Terme AP 20 2916 21173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km W of Pescara (121014 inhabitants)
84 Km W of Chieti (51815 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
85 Km SE of Perugia (166134 inhabitants)
96 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 1.2 2021-01-07
09:58:53
42.6502 13.2292 10 2021-07-12
16:55:10
Bollettino Sismico Italiano INGV 89858631
Reviewed
Rev100
ML 1.2 2021-01-07
09:58:53
42.6483 13.2298 10 2021-01-07
10:08:01
Sala Sismica INGV-Roma 86069771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-07 09:58:53 ± 0.11
Latitude 42.6502 ± 0.0063
Longitude 13.2292 ± 0.0073
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89858631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 695
Semi-minor axis of confidence ellipse (meter) 548
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44157
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 89858631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-06 23:04:26

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 86069771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-07 10:08:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPI.EHZ. 2021-01-07T09:59:26.35 3.0 undecidable manual S -2.6 0
IV.FOSV.EHZ. 2021-01-07T09:59:10.77 3.0 undecidable manual P 2.06 0
IV.CSP1.EHZ. 2021-01-07T09:59:10.13 0.6 undecidable manual S 358 49.0176 50 0.41 44
IV.MF5.EHZ. 2021-01-07T09:59:08.67 0.3 undecidable manual S 27 41.9247 50 0.86 56
IV.MC2.EHZ. 2021-01-07T09:59:04.77 0.6 undecidable manual S 354 29.1486 50 0.35 46
IV.MMO1.EHZ. 2021-01-07T09:59:04.11 0.3 undecidable manual S 16 28.749 50 -0.2 71
IV.TERO.HHZ. 2021-01-07T09:59:04.27 0.3 undecidable manual S 96 30.747 50 -0.56 65
IV.CSP1.EHZ. 2021-01-07T09:59:02.99 0.3 undecidable manual P 358 49.0176 50 -0.08 70
IV.NRCA.HHZ. 2021-01-07T09:59:02.08 0.1 undecidable manual S 335 22.3554 115 -0.46 91
IV.MF5.EHZ. 2021-01-07T09:59:02.28 0.1 undecidable manual P 27 41.9247 50 0.31 91
IV.CAMP.HHE. 2021-01-07T09:59:01.46 0.3 undecidable manual S 131 19.3695 118 -0.14 73
IV.MTRA.EHZ. 2021-01-07T09:59:01.03 0.3 undecidable manual S 49 18.0708 120 -0.16 73
IV.MC2.EHZ. 2021-01-07T09:59:00.04 0.3 undecidable manual P 354 29.1486 50 0.03 74
IV.LNSS.HHZ. 2021-01-07T09:59:00.62 0.3 undecidable manual S 251 16.2726 122 -0.04 75
IV.MMO1.EHZ. 2021-01-07T09:58:59.78 0.1 undecidable manual P 16 28.749 50 -0.17 96
IV.TERO.HHZ. 2021-01-07T09:58:59.91 0.3 undecidable manual P 96 30.747 50 -0.34 69
IV.MTRA.EHZ. 2021-01-07T09:58:58.10 0.1 undecidable manual P 49 18.0708 120 -0.05 100
IV.T1299.EHZ. 2021-01-07T09:58:58.39 0.3 undecidable manual S 112 4.6953 155 0.49 70
IV.CAMP.HHE. 2021-01-07T09:58:58.39 0.3 undecidable manual P 131 19.3695 118 0 75
IV.NRCA.HHZ. 2021-01-07T09:58:58.69 0.1 undecidable manual P 335 22.3554 115 -0.23 96
IV.LNSS.HHZ. 2021-01-07T09:58:57.93 0.1 undecidable manual P 251 16.2726 122 0.09 99
IV.T1299.EHZ. 2021-01-07T09:58:56.72 0.3 undecidable manual P 112 4.6953 155 0.47 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.3 0.000176 0.34 AML other m 2021-01-07T09:59:00.96
IV.LNSS.HHE. ML:1.4 0.00023099999999999998 0.16 AML other m 2021-01-07T09:59:00.91
IV.MTRA.EHN. ML:0.9 0.00006835 1 AML other m 2021-01-07T09:59:01.19
IV.MTRA.EHE. ML:0.9 0.00006584999999999999 0.56 AML other m 2021-01-07T09:59:01.69
IV.NRCA.HHN. ML:1.2 0.000101 0.12 AML other m 2021-01-07T09:59:02.40
IV.NRCA.HHE. ML:1.5 0.0001875 0.48 AML other m 2021-01-07T09:59:02.41
IV.TERO.HHN. ML:1.3 0.00009905 0.06 AML other m 2021-01-07T09:59:04.36
IV.TERO.HHE. ML:1.1 0.000056149999999999996 0.36 AML other m 2021-01-07T09:59:04.36
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