Earthquake with magnitude of ML 1.4 on date 07-12-2021 and time 18:58:09 (Italy) in region 5 km N Accumoli (RI)

A magnitude ML 1.4 earthquake occured in region: 5 km N Accumoli (RI), on

  • 07-12-2021 17:58:09 (UTC)
  • 07-12-2021 18:58:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7380, 13.2470 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
Arquata del Tronto AP 6 1178 1845
Amatrice RI 12 2657 4502
Montegallo AP 14 523 5025
Acquasanta Terme AP 14 2916 7941
Norcia PG 14 4957 12898
Cittareale RI 15 482 13380
Cascia PG 19 3217 16597
Castelsantangelo sul Nera MC 19 281 16878
Montemonaco AP 19 604 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
45 Km N of L'Aquila (69753 inhabitants)
51 Km E of Foligno (57155 inhabitants)
53 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
87 Km NW of Chieti (51815 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
100 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 1.4 2021-12-07
17:58:09
42.7378 13.2468 11 2022-03-30
13:04:22
Bollettino Sismico Italiano INGV 98618041
Reviewed
Rev100
ML 1.5 2021-12-07
17:58:09
42.7393 13.2355 11 2021-12-07
18:05:03
Sala Sismica INGV-Roma 98250401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-07 17:58:09 ± 0.06
Latitude 42.7378 ± 0.0027
Longitude 13.2468 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98618041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 402
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.11152
Epicentral distance of station farthest from the epicenter (degree) 0.60075
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 98250401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-07 18:05:03

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 98618041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-17 10:35:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2021-12-07T17:58:30.64 0.3 undecidable manual S 350 66.6777 50 0.85 53
IV.ASSB.HHZ. 2021-12-07T17:58:28.03 0.3 undecidable manual S 305 58.5969 50 0.41 64
IV.FIAM.HNN. 2021-12-07T17:58:26.06 0.6 undecidable manual S 192 53.2023 50 -0.13 46
IV.MML1.EHZ. 2021-12-07T17:58:24.67 0.3 undecidable manual S 332 47.3193 50 0.05 70
IV.ARRO.EHZ. 2021-12-07T17:58:23.91 0.3 undecidable manual S 246 43.0236 50 0.44 65
IV.PF6.EHN. 2021-12-07T17:58:23.21 0.6 undecidable manual S 355 44.622 50 -0.68 40
IV.GIGS.HJZ. 2021-12-07T17:58:22.61 0.3 undecidable manual S 140 41.3253 50 -0.41 66
IV.CSP1.EHZ. 2021-12-07T17:58:22.43 0.3 undecidable manual S 355 39.4272 50 -0.09 71
IV.GUMA.HNN. 2021-12-07T17:58:22.41 0.3 undecidable manual S 11 36.741 50 0.61 62
IV.CESI.HHZ. 2021-12-07T17:58:22.72 0.3 undecidable manual S 317 40.626 50 -0.12 70
IV.EL6.EHZ. 2021-12-07T17:58:21.16 0.3 undecidable manual P 350 66.6777 50 -0.02 68
IV.FDMO.HHZ. 2021-12-07T17:58:21.19 0.3 undecidable manual S 339 35.5422 50 -0.3 68
IV.MF5.EHZ. 2021-12-07T17:58:21.59 0.3 undecidable manual S 32 32.745 50 0.87 56
IV.ASSB.HHZ. 2021-12-07T17:58:20.33 0.3 undecidable manual P 305 58.5969 50 0.4 64
IV.TERO.HHZ. 2021-12-07T17:58:20.21 0.3 undecidable manual S 114 31.746 50 -0.27 69
IT.MTCL.HGZ. 2021-12-07T17:58:20.83 0.3 undecidable manual S 325 34.8429 50 -0.46 66
IV.GAVE.EHZ. 2021-12-07T17:58:19.80 0.3 undecidable manual S 260 29.1486 50 0.02 73
IV.FEMA.HNE. 2021-12-07T17:58:19.43 0.3 undecidable manual S 327 29.6481 50 -0.47 66
IV.FIAM.HNN. 2021-12-07T17:58:19.12 1.0 undecidable manual P 192 53.2023 50 0.02 23
IV.MML1.EHZ. 2021-12-07T17:58:18.03 0.1 undecidable manual P 332 47.3193 50 -0.16 92
IV.LNSS.HHZ. 2021-12-07T17:58:18.15 0.3 undecidable manual S 228 22.5552 50 0.14 72
IV.CAMP.HHZ. 2021-12-07T17:58:18.84 0.3 undecidable manual S 149 26.0517 50 -0.1 72
IV.RM33.EHZ. 2021-12-07T17:58:18.93 0.3 undecidable manual S 186 25.5522 50 0.13 72
IV.MC2.EHZ. 2021-12-07T17:58:17.12 0.3 undecidable manual S 346 19.869 118 -0.08 73
IV.PF6.EHN. 2021-12-07T17:58:17.41 1.0 undecidable manual P 355 44.622 50 -0.36 22
IV.ARRO.EHZ. 2021-12-07T17:58:17.80 0.6 undecidable manual P 246 43.0236 50 0.27 45
IV.SAP2.EHE. 2021-12-07T17:58:17.27 1.0 undecidable manual P 17 41.7249 50 -0.06 24
IV.FDMO.HHZ. 2021-12-07T17:58:16.12 0.1 undecidable manual P 339 35.5422 50 -0.26 91
IV.MF5.EHZ. 2021-12-07T17:58:16.16 0.1 undecidable manual P 32 32.745 50 0.22 93
IV.GIGS.HJZ. 2021-12-07T17:58:16.94 0.1 undecidable manual P 140 41.3253 50 -0.32 89
IV.CSP1.EHZ. 2021-12-07T17:58:16.83 0.1 undecidable manual P 355 39.4272 50 -0.15 93
IV.GUMA.HNN. 2021-12-07T17:58:16.75 0.6 undecidable manual P 11 36.741 50 0.18 46
IV.CESI.HHZ. 2021-12-07T17:58:16.96 0.1 undecidable manual P 317 40.626 50 -0.2 92
IV.FEMA.HNE. 2021-12-07T17:58:16.46 0.3 undecidable manual P 327 29.6481 50 1 54
IT.MTCL.HGZ. 2021-12-07T17:58:15.94 0.1 undecidable manual P 325 34.8429 50 -0.32 90
IV.GAVE.EHZ. 2021-12-07T17:58:15.28 0.1 undecidable manual P 260 29.1486 50 -0.12 95
IV.NRCA.HHZ. 2021-12-07T17:58:15.49 0.3 undecidable manual S 315 15.1737 125 -0.32 70
IV.TERO.HHZ. 2021-12-07T17:58:15.60 0.1 undecidable manual P 114 31.746 50 -0.2 93
IV.SMA1.EHZ. 2021-12-07T17:58:15.68 0.3 undecidable manual S 149 13.875 127 0.22 72
IV.CAMP.HHZ. 2021-12-07T17:58:14.85 0.1 undecidable manual P 149 26.0517 50 -0.06 97
IV.RM33.EHZ. 2021-12-07T17:58:14.92 0.1 undecidable manual P 186 25.5522 50 0.09 97
IV.MTRA.HNZ. 2021-12-07T17:58:14.97 0.3 undecidable manual S 80 12.3765 130 -0.08 74
IV.LNSS.HHZ. 2021-12-07T17:58:14.37 0.1 undecidable manual P 228 22.5552 50 0 99
IV.NRCA.HHZ. 2021-12-07T17:58:13.11 0.1 undecidable manual P 315 15.1737 125 0.01 100
IV.SMA1.EHZ. 2021-12-07T17:58:13.15 0.1 undecidable manual P 149 13.875 127 0.24 95
IV.MC2.EHZ. 2021-12-07T17:58:13.85 0.1 undecidable manual P 346 19.869 118 -0.05 98
IV.MTRA.HNZ. 2021-12-07T17:58:12.81 0.1 undecidable manual P 80 12.3765 130 0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:1.7 0.000526 0.34 AML other m 2021-12-07T17:58:15.33
IV.MTRA.EHE. ML:1.7 0.000546 0.34 AML other m 2021-12-07T17:58:15.33
IV.MTRA.HNN. ML:1.7 0.000524 0.22 AML other m 2021-12-07T17:58:15.59
IV.MTRA.EHN. ML:1.7 0.0005175 0.22 AML other m 2021-12-07T17:58:15.59
IV.SMA1.EHE. ML:1.6 0.0003545 0.28 AML other m 2021-12-07T17:58:15.80
IV.SMA1.EHN. ML:1.4 0.000219 0.54 AML other m 2021-12-07T17:58:16.00
IV.LNSS.HHN. ML:1.4 0.000158 0.54 AML other m 2021-12-07T17:58:18.35
IV.LNSS.HHE. ML:1.5 0.000189 0.64 AML other m 2021-12-07T17:58:18.66
IV.RM33.EHE. ML:1.6 0.00022600000000000002 0.28 AML other m 2021-12-07T17:58:19.59
IV.GAVE.EHE. ML:1.4 0.000129 0.12 AML other m 2021-12-07T17:58:20.34
IV.RM33.EHN. ML:1.3 0.00012235 0.54 AML other m 2021-12-07T17:58:20.76
IV.GAVE.EHN. ML:1.7 0.000242 1.12 AML other m 2021-12-07T17:58:20.18
IV.FDMO.HHE. ML:1.0 0.000036847345000000005 0.1536 AML other m 2021-12-07T17:58:22.44
IV.FDMO.HHN. ML:1.0 0.000040228705000000004 0.2688 AML other m 2021-12-07T17:58:21.41
IV.CESI.HHE. ML:1.2 0.000048992455000000006 0.1792 AML other m 2021-12-07T17:58:22.91
IV.CESI.HHN. ML:1.2 0.000055435255000000005 0.1664 AML other m 2021-12-07T17:58:23.03
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