Earthquake with magnitude of ML 1.5 on date 14-11-2021 and time 10:58:55 (UTC) in region 4 km SW Accumoli (RI)

A magnitude ML 1.5 earthquake occured in region: 4 km SW Accumoli (RI), on

  • 14-11-2021 10:58:55 (UTC)
  • 14-11-2021 11:58:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6590, 13.2330 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 4 667 667
Amatrice RI 6 2657 3324
Cittareale RI 7 482 3806
Arquata del Tronto AP 14 1178 4984
Montereale AQ 15 2581 7565
Campotosto AQ 16 542 8107
Capitignano AQ 16 665 8772
Borbona RI 18 617 9389
Posta RI 19 694 10083
Norcia PG 19 4957 15040
Acquasanta Terme AP 19 2916 17956
Cascia PG 19 3217 21173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
83 Km W of Pescara (121014 inhabitants)
84 Km W of Chieti (51815 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km SE of Perugia (166134 inhabitants)
85 Km NE of Tivoli (56533 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 1.5 2021-11-14
10:58:55
42.6592 13.233 10 2022-03-30
13:04:37
Bollettino Sismico Italiano INGV 100881351
Reviewed
Rev100
ML 1.5 2021-11-14
10:58:55
42.6573 13.2332 10 2021-11-14
11:09:06
Sala Sismica INGV-Roma 97455601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-14 10:58:55 ± 0.07
Latitude 42.6592 ± 0.0036
Longitude 13.2330 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100881351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 406
Semi-minor axis of confidence ellipse (meter) 371
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43257
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 100881351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-11 16:13:14

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 97455601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-14 11:09:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2021-11-14T11:00:50.55 3.0 undecidable manual Sn 5.3 0
OX.CLUD.HHZ. 2021-11-14T11:00:49.16 3.0 undecidable manual Sg 12.3 0
NI.VINO.HHZ. 2021-11-14T11:00:32.25 3.0 undecidable manual Sn 0.53 0
IV.CADC.HNZ. 2021-11-14T11:00:28.31 3.0 undecidable manual Sn -2.87 0
IV.IVUG.HHZ. 2021-11-14T11:00:14.64 3.0 undecidable manual Pg 13.96 0
CR.HVAR.HHZ. 2021-11-14T11:00:13.35 3.0 undecidable manual Sg 10.43 0
IX.SNR3.EHZ.02 2021-11-14T11:00:09.18 3.0 undecidable manual Sg 6.8 0
IV.CDRU.HNZ. 2021-11-14T11:00:08.44 3.0 undecidable manual Sn -0.03 0
IV.ESCV.HHZ. 2021-11-14T11:00:07.41 3.0 negative manual Pn -1.37 0
NI.VINO.HHZ. 2021-11-14T11:00:01.37 3.0 positive manual Pg 12.2 0
IV.PIPA.HHZ. 2021-11-14T10:59:59.54 3.0 undecidable manual Pn 2.77 0
IV.SGRT.HHZ. 2021-11-14T10:59:52.75 3.0 undecidable manual Sn -1.43 0
IV.RIBO.EHZ.01 2021-11-14T10:59:44.01 3.0 undecidable manual Sn 0.71 0
CR.HVAR.HHZ. 2021-11-14T10:59:43.33 3.0 undecidable manual Pg 10.34 0
IV.TST01.HHZ. 2021-11-14T10:59:34.11 3.0 undecidable manual S 0.21 0
IV.RAVA.EHZ. 2021-11-14T10:59:34.62 3.0 positive manual Pn -0.75 0
IV.PE3.EHZ. 2021-11-14T10:59:17.56 3.0 negative manual P 1.76 0
IV.CSP1.EHZ. 2021-11-14T10:59:11.07 0.6 undecidable manual S 357 48.0186 50 0.43 44
IV.PP3.EHZ. 2021-11-14T10:59:10.86 3.0 undecidable manual P 0.42 0
IV.FDMO.HHZ. 2021-11-14T10:59:09.51 0.6 undecidable manual S 344 43.5231 50 0.08 47
IV.TERO.HHZ. 2021-11-14T10:59:05.46 0.3 undecidable manual S 97 30.5472 50 -0.51 66
IV.MMO1.HNZ. 2021-11-14T10:59:05.66 0.6 undecidable manual S 16 27.75 50 0.44 45
IV.MC2.EHZ. 2021-11-14T10:59:05.65 0.6 undecidable manual S 353 28.2495 50 0.3 46
IV.CSP1.EHZ. 2021-11-14T10:59:04.01 0.3 undecidable manual P 357 48.0186 50 -0.09 70
IV.FDMO.HHZ. 2021-11-14T10:59:03.37 0.1 undecidable manual P 344 43.5231 50 -0.03 96
IV.NRCA.HHZ. 2021-11-14T10:59:03.09 0.3 undecidable manual S 333 21.6672 115 -0.38 69
IV.FIAM.HHN. 2021-11-14T10:59:03.47 0.3 undecidable manual P 192 44.4222 50 -0.08 71
IV.CAMP.HHN. 2021-11-14T10:59:02.70 0.6 undecidable manual S 134 19.869 117 -0.22 48
IV.LNSS.HHZ. 2021-11-14T10:59:01.95 0.3 undecidable manual S 248 16.872 121 -0.08 74
IV.MC2.EHZ. 2021-11-14T10:59:01.07 0.1 undecidable manual P 353 28.2495 50 0.02 98
IV.TERO.HHZ. 2021-11-14T10:59:01.46 0.3 undecidable manual P 97 30.5472 50 0.05 73
IV.MTRA.EHZ. 2021-11-14T10:59:01.90 0.1 undecidable manual S 51 17.1717 121 -0.21 97
IV.MMO1.HNZ. 2021-11-14T10:59:00.80 0.3 undecidable manual P 16 27.75 50 -0.17 72
IV.SMA1.EHZ. 2021-11-14T10:59:00.32 0.3 undecidable manual S 111 8.9799 139 0.44 70
IV.MTRA.EHZ. 2021-11-14T10:58:59.22 0.1 undecidable manual P 51 17.1717 121 0.04 100
IV.LNSS.HHZ. 2021-11-14T10:58:59.23 0.1 positive manual P 248 16.872 121 0.1 99
IV.CAMP.HHN. 2021-11-14T10:58:59.65 0.3 undecidable manual P 134 19.869 117 0 75
IV.NRCA.HHZ. 2021-11-14T10:58:59.87 0.1 positive manual P 333 21.6672 115 -0.09 98
IV.SMA1.EHZ. 2021-11-14T10:58:58.28 0.3 undecidable manual P 111 8.9799 139 0.39 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.7 0.000413 1.9 AML other m 2021-11-14T10:59:01.03
IV.MTRA.HNE. ML:1.7 0.00040957065 1.8976 AML other m 2021-11-14T10:59:01.03
IV.MTRA.EHN. ML:1.5 0.0002635 1.88 AML other m 2021-11-14T10:59:02.97
IV.MTRA.HNN. ML:1.5 0.00024264190000000002 1.8784 AML other m 2021-11-14T10:59:02.97
IV.LNSS.HHN. ML:1.0 0.0000833 0.44 AML other m 2021-11-14T10:59:02.29
IV.LNSS.HHE. ML:1.1 0.00011499999999999999 1.26 AML other m 2021-11-14T10:59:02.75
IV.NRCA.HHN. ML:1.6 0.00029 0.08 AML other m 2021-11-14T10:59:03.34
IV.NRCA.HNN. ML:1.6 0.00027960874999999997 0.0896 AML other m 2021-11-14T10:59:03.34
IV.NRCA.HNE. ML:1.6 0.0002921454 0.1024 AML other m 2021-11-14T10:59:03.35
IV.NRCA.HHE. ML:1.7 0.00032950000000000004 0.1 AML other m 2021-11-14T10:59:03.35
IV.TERO.HHN. ML:1.1 0.000063780695 0.1824 AML other m 2021-11-14T10:59:05.53
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