Earthquake with magnitude of ML 1.6 on date 28-11-2020 and time 08:45:05 (Italy) in region 5 km NE Accumoli (RI)

A magnitude ML 1.6 earthquake occured in region: 5 km NE Accumoli (RI), on

  • 28-11-2020 07:45:05 (UTC)
  • 28-11-2020 08:45:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7360, 13.2660 at 12 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 5 1178 1845
Amatrice RI 12 2657 4502
Acquasanta Terme AP 12 2916 7418
Montegallo AP 13 523 7941
Norcia PG 15 4957 12898
Cittareale RI 16 482 13380
Valle Castellana TE 19 977 14357
Montemonaco AP 19 604 14961
Castelsantangelo sul Nera MC 20 281 15242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
52 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
83 Km W of Pescara (121014 inhabitants)
85 Km NW of Chieti (51815 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
100 Km S of Ancona (100861 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 1.6 2020-11-28
07:45:05
42.7362 13.2658 12 2021-02-26
14:56:11
Bollettino Sismico Italiano INGV 85597311
Reviewed
Rev100
ML 1.6 2020-11-28
07:45:05
42.7327 13.2563 10 2020-11-28
08:09:55
Sala Sismica INGV-Roma 85063081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-28 07:45:05 ± 0.07
Latitude 42.7362 ± 0.0036
Longitude 13.2658 ± 0.0061
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85597311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 507
Semi-minor axis of confidence ellipse (meter) 296
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37682
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 85063081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-28 08:09:55

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 85597311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-21 10:10:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SAMA.EHZ. 2020-11-28T07:45:23.65 3.0 negative manual P -2.9 0
IV.CESI.HHE. 2020-11-28T07:45:19.26 0.3 undecidable manual S 316 41.8248 91 -0.01 70
IV.GIGS.HHN. 2020-11-28T07:45:18.31 0.3 undecidable manual S 141 40.1265 91 -0.51 64
IV.CSP1.EHZ. 2020-11-28T07:45:18.80 0.1 undecidable manual S 353 39.7269 91 0.09 92
IV.MF5.EHZ. 2020-11-28T07:45:17.58 0.1 undecidable manual S 29 32.0457 91 0.92 72
IV.FDMO.HHZ. 2020-11-28T07:45:17.66 0.1 undecidable manual S 337 36.3414 91 -0.14 95
IV.TERO.HHZ. 2020-11-28T07:45:15.93 0.1 undecidable manual S 114 30.3474 91 -0.26 92
IV.OFFI.HHZ. 2020-11-28T07:45:14.14 3.0 undecidable manual P 0.63 0
IV.LNSS.HHZ. 2020-11-28T07:45:14.55 0.3 undecidable manual S 231 23.5542 92 0.15 71
IV.CAMP.HHZ. 2020-11-28T07:45:14.77 0.1 undecidable manual S 152 25.1526 92 -0.04 97
IV.CESI.HHE. 2020-11-28T07:45:13.29 0.3 undecidable manual P 316 41.8248 91 -0.22 69
IV.MC2.EHZ. 2020-11-28T07:45:13.47 0.1 undecidable manual S 342 20.4684 93 -0.08 99
IV.GIGS.HHN. 2020-11-28T07:45:13.29 0.6 undecidable manual P 141 40.1265 91 0.04 47
IV.FDMO.HHZ. 2020-11-28T07:45:12.41 0.1 undecidable manual P 337 36.3414 91 -0.25 93
IV.NRCA.HHZ. 2020-11-28T07:45:12.04 0.1 undecidable manual S 311 16.3725 96 -0.44 93
IV.CSP1.EHZ. 2020-11-28T07:45:12.97 0.1 undecidable manual P 353 39.7269 91 -0.22 93
IV.MF5.EHZ. 2020-11-28T07:45:12.39 0.1 positive manual P 29 32.0457 91 0.39 88
IV.MMO1.EHN. 2020-11-28T07:45:12.80 0.1 undecidable manual S 15 18.7701 94 -0.31 94
IV.T1299.HNN. 2020-11-28T07:45:11.47 0.1 undecidable manual S 173 11.3775 116 0.27 94
IV.TERO.HHZ. 2020-11-28T07:45:11.54 0.1 undecidable manual P 114 30.3474 91 -0.19 94
IV.SMA1.EHZ. 2020-11-28T07:45:11.59 0.1 undecidable manual S 154 12.9759 108 -0.01 100
IV.LNSS.HHZ. 2020-11-28T07:45:10.69 0.1 positive manual P 231 23.5542 92 -0.01 98
IV.CAMP.HHZ. 2020-11-28T07:45:10.92 0.1 undecidable manual P 152 25.1526 92 -0.01 98
IV.MTRA.HNZ. 2020-11-28T07:45:10.65 0.3 undecidable manual S 78 10.878 118 -0.43 70
IV.MC2.EHZ. 2020-11-28T07:45:10.16 0.1 negative manual P 342 20.4684 93 -0.05 99
IV.SMA1.EHZ. 2020-11-28T07:45:09.20 0.1 negative manual P 154 12.9759 108 0.12 97
IV.MMO1.EHN. 2020-11-28T07:45:09.85 0.1 undecidable manual P 15 18.7701 94 -0.1 98
IV.NRCA.HHZ. 2020-11-28T07:45:09.45 0.1 negative manual P 311 16.3725 96 -0.14 98
IV.T1299.HNN. 2020-11-28T07:45:09.12 0.1 undecidable manual P 173 11.3775 116 0.27 94
IV.MTRA.HNZ. 2020-11-28T07:45:08.80 0.1 undecidable manual P 78 10.878 118 0.02 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:1.9 0.0008620000000000001 0.38 AML other m 2020-11-28T07:45:11.33
IV.MTRA.EHE. ML:1.9 0.0008420000000000001 0.38 AML other m 2020-11-28T07:45:11.34
IV.MTRA.HNN. ML:1.8 0.0006590000000000001 0.44 AML other m 2020-11-28T07:45:11.43
IV.MTRA.EHN. ML:1.7 0.000604 0.42 AML other m 2020-11-28T07:45:11.43
IV.SMA1.EHN. ML:1.2 0.000142 0.86 AML other m 2020-11-28T07:45:11.66
IV.NRCA.HNE. ML:1.9 0.0006990000000000001 0.14 AML other m 2020-11-28T07:45:12.22
IV.NRCA.HHE. ML:2.0 0.000775 0.16 AML other m 2020-11-28T07:45:12.21
IV.SMA1.EHE. ML:1.1 0.000136 0.2 AML other m 2020-11-28T07:45:12.46
IV.NRCA.HHN. ML:2.0 0.0009690000000000001 1.4 AML other m 2020-11-28T07:45:12.21
IV.NRCA.HNN. ML:2.0 0.0008985000000000001 1.4 AML other m 2020-11-28T07:45:12.21
IV.LNSS.HHE. ML:1.4 0.00016450000000000001 0.96 AML other m 2020-11-28T07:45:15.50
IV.LNSS.HHN. ML:1.4 0.0001475 0.92 AML other m 2020-11-28T07:45:15.56
IV.TERO.HHE. ML:1.3 0.00009090000000000001 0.84 AML other m 2020-11-28T07:45:17.59
IV.TERO.HHN. ML:1.3 0.00009240000000000001 1.16 AML other m 2020-11-28T07:45:17.59
IV.FDMO.HHN. ML:1.0 0.000036049999999999995 0.42 AML other m 2020-11-28T07:45:18.90
IV.FDMO.HHE. ML:1.0 0.000036400000000000004 0.16 AML other m 2020-11-28T07:45:20.21
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