Earthquake with magnitude of ML 1.2 on date 08-11-2021 and time 15:26:44 (Italy) in region 4 km W Accumoli (RI)

A magnitude ML 1.2 earthquake occured in region: 4 km W Accumoli (RI), on

  • 08-11-2021 14:26:44 (UTC)
  • 08-11-2021 15:26:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6900, 13.2050 at 11 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 4 667 667
Cittareale RI 9 482 1149
Amatrice RI 10 2657 3806
Arquata del Tronto AP 12 1178 4984
Norcia PG 15 4957 9941
Cascia PG 16 3217 13158
Montereale AQ 19 2581 15739
Acquasanta Terme AP 19 2916 18655
Montegallo AP 20 523 19178
Campotosto AQ 20 542 19720

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
50 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km W of Pescara (121014 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
88 Km W of Chieti (51815 inhabitants)
95 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 2021-11-08
14:26:44
42.69 13.2047 11 2022-03-30
13:04:16
Bollettino Sismico Italiano INGV 97414771
Reviewed
Rev100
ML 1.1 2021-11-08
14:26:44
42.6882 13.2047 11 2021-11-08
14:35:44
Sala Sismica INGV-Roma 97342541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-08 14:26:44 ± 0.05
Latitude 42.6900 ± 0.0036
Longitude 13.2047 ± 0.0037
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 97414771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 355
Semi-minor axis of confidence ellipse (meter) 308
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 149
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30127
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 28
Type of magnitude ML
Reference to an origin 97414771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-12 11:22:41

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 97342541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-08 14:35:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHZ. 2021-11-08T14:27:59.65 3.0 undecidable manual Pg 21.370001 0
TV.GMB1.HHZ. 2021-11-08T14:27:56.13 3.0 positive manual Pg 16.25 0
IV.MMGO.HHZ. 2021-11-08T14:27:52.92 3.0 positive manual Pg 13.9 0
OT.OT17.EHZ. 2021-11-08T14:27:51.60 3.0 undecidable manual Sg 17.959999 0
IV.ERC.EHZ. 2021-11-08T14:27:50.97 3.0 undecidable manual Pg 17.35 0
IV.RCAV.EHZ. 2021-11-08T14:27:14.15 3.0 undecidable manual Sg 6.46 0
IV.MC2.EHN. 2021-11-08T14:26:54.11 0.3 undecidable manual S 357 24.5532 50 0.29 70
IV.GAVE.EHZ. 2021-11-08T14:26:53.73 0.3 undecidable manual S 271 25.3524 50 -0.28 70
IV.CAMP.HHE. 2021-11-08T14:26:53.52 0.3 undecidable manual S 136 23.8539 50 -0.12 73
IV.RM33.EHZ. 2021-11-08T14:26:52.63 0.1 undecidable manual S 178 20.0688 50 0 100
IV.MMO1.EHZ. 2021-11-08T14:26:52.00 3.0 undecidable manual P 0
IV.LNSS.HHZ. 2021-11-08T14:26:51.52 0.1 undecidable manual S 234 16.5723 123 -0.07 99
IV.MTRA.EHZ. 2021-11-08T14:26:51.47 0.1 undecidable manual S 65 17.2716 122 -0.35 93
IV.TERO.HHZ. 2021-11-08T14:26:51.33 0.3 undecidable manual P 103 33.4443 50 -0.02 73
IV.MC2.EHN. 2021-11-08T14:26:50.01 0.1 undecidable manual P 357 24.5532 50 0.03 98
IV.GAVE.EHZ. 2021-11-08T14:26:50.03 0.1 undecidable manual P 271 25.3524 50 -0.06 98
IV.SMA1.EHZ. 2021-11-08T14:26:50.46 0.3 undecidable manual S 122 12.5763 131 -0.02 76
IV.T1299.HNN. 2021-11-08T14:26:49.44 0.6 undecidable manual S 134 8.88 141 -0.14 49
IV.RM33.EHZ. 2021-11-08T14:26:49.42 0.1 undecidable manual P 178 20.0688 50 0.13 97
IV.CAMP.HHE. 2021-11-08T14:26:49.81 0.1 undecidable manual P 136 23.8539 50 -0.07 98
GU.RNCA.HHZ. 2021-11-08T14:26:48.93 3.0 positive manual Pn 1.99 0
IV.SMA1.EHZ. 2021-11-08T14:26:48.16 0.1 undecidable manual P 122 12.5763 131 0.11 99
IV.LNSS.HHZ. 2021-11-08T14:26:48.71 0.1 undecidable manual P 234 16.5723 123 0.02 100
IV.MTRA.EHZ. 2021-11-08T14:26:48.84 0.1 undecidable manual P 65 17.2716 122 0.02 100
IV.T1299.HNN. 2021-11-08T14:26:47.95 0.1 undecidable manual P 134 8.88 141 0.41 93
IV.STAL.HHZ. 2021-11-08T14:26:45.00 3.0 undecidable manual Pn -0.76 0
IV.VIVA.HHZ. 2021-11-08T14:26:45.88 3.0 positive manual Pg 2.8 0
IV.FOSV.EHZ. 2021-11-08T14:26:29.09 3.0 undecidable manual Sn -4.16 0
IV.RIBO.EHZ.01 2021-11-08T14:26:28.76 3.0 undecidable manual P -2.4 0
IV.FIR.HHZ. 2021-11-08T14:26:20.85 3.0 undecidable manual P -2.65 0
IV.CRTC.HHZ. 2021-11-08T14:26:20.66 3.0 undecidable manual P 1.25 0
IV.IMOL.HNZ. 2021-11-08T14:26:20.18 3.0 negative manual P -1.2 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.0 0.00009627571 0.2624 AML other m 2021-11-08T14:26:51.97
IV.SMA1.EHE. ML:1.3 0.000203 0.26 AML other m 2021-11-08T14:26:51.32
IV.LNSS.HHE. ML:1.2 0.00014050000000000003 0.28 AML other m 2021-11-08T14:26:51.67
IV.LNSS.HHN. ML:1.2 0.0001205 1.2 AML other m 2021-11-08T14:26:51.18
IV.GAVE.EHN. ML:1.1 0.0000726 0.24 AML other m 2021-11-08T14:26:54.13
IV.GAVE.EHE. ML:0.9 0.000047358125 0.1792 AML other m 2021-11-08T14:26:56.20
IV.STAL.HHN. ML:1.9 0.0000053276629999999994 0.3008 AML other m 2021-11-08T14:26:44.14
IV.STAL.HNN. ML:3.0 0.0000554693225 45.1712 AML other m 2021-11-08T14:26:44.32
IV.STAL.HHE. ML:2.2 0.000010019091 0.4608 AML other m 2021-11-08T14:26:44.39
IV.STAL.HNE. ML:3.2 0.00008756964999999999 0.48 AML other m 2021-11-08T14:26:45.40
IV.VIVA.HHE. ML:2.2 0.000129424865 0.064 AML other m 2021-11-08T14:26:47.71
IV.VIVA.HHN. ML:2.3 0.00018191715 0.1344 AML other m 2021-11-08T14:26:48.44
IV.LNSS.HNN. ML:1.2 0.000132110805 0.16 AML other m 2021-11-08T14:26:51.79
IV.LNSS.HNE. ML:1.2 0.00014901375 0.608 AML other m 2021-11-08T14:26:49.11
IV.MTRA.HNN. ML:1.0 0.00008696867999999999 0.16 AML other m 2021-11-08T14:26:52.61
IV.MTRA.EHE. ML:1.1 0.00010064675000000001 0.1216 AML other m 2021-11-08T14:26:51.82
IV.MTRA.HNE. ML:1.3 0.00015211778500000001 0.4416 AML other m 2021-11-08T14:26:54.73
IV.MTRA.EHN. ML:1.0 0.000086059675 0.16 AML other m 2021-11-08T14:26:51.88
IV.RM33.HNE. ML:1.4 0.00017195415 0.5056 AML other m 2021-11-08T14:26:58.06
IV.RM33.EHN. ML:0.8 0.00004378815499999999 0.2048 AML other m 2021-11-08T14:26:52.85
IV.RM33.EHE. ML:0.7 0.000033776105000000004 0.16 AML other m 2021-11-08T14:26:52.91
IV.RM33.HNN. ML:1.1 0.00009875246499999999 0.5696 AML other m 2021-11-08T14:27:00.23
IV.GAVE.HNE. ML:1.2 0.00009617086999999999 0.5312 AML other m 2021-11-08T14:27:03.22
IV.GAVE.HNN. ML:1.4 0.0001549316 0.8 AML other m 2021-11-08T14:26:50.39
IV.TERO.HHN. ML:0.9 0.000033762180000000005 0.16 AML other m 2021-11-08T14:26:56.98
IV.TERO.HHE. ML:1.2 0.00006801535 0.48 AML other m 2021-11-08T14:27:06.92
IV.TERO.HNE. ML:1.2 0.000071499445 0.5312 AML other m 2021-11-08T14:26:51.53
IV.TERO.HNN. ML:1.6 0.0001648116 1.0304 AML other m 2021-11-08T14:26:51.03
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