Earthquake with magnitude of ML 1.4 on date 28-09-2020 and time 06:31:05 (UTC) in region 3 km E Amatrice (RI)

A magnitude ML 1.4 earthquake occured in region: 3 km E Amatrice (RI), on

  • 28-09-2020 06:31:05 (UTC)
  • 28-09-2020 08:31:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6260, 13.3210 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
Amatrice RI 3 2657 2657
Campotosto AQ 9 542 3199
Accumoli RI 10 667 3866
Capitignano AQ 12 665 4531
Montereale AQ 13 2581 7112
Cittareale RI 13 482 7594
Cortino TE 15 656 8250
Crognaleto TE 16 1297 9547
Arquata del Tronto AP 17 1178 10725
Acquasanta Terme AP 18 2916 13641
Rocca Santa Maria TE 18 537 14178
Valle Castellana TE 19 977 15155
Fano Adriano TE 20 296 15451
Barete AQ 20 737 16188
Borbona RI 20 617 16805
Cagnano Amiterno AQ 20 1369 18174

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
56 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
75 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
93 Km SE of Perugia (166134 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 2020-09-28
06:31:05
42.6257 13.3208 10 2021-02-26
14:56:06
Bollettino Sismico Italiano INGV 84829281
Reviewed
Rev100
ML 1.5 2020-09-28
06:31:05
42.6247 13.317 10 2020-09-28
06:48:50
Sala Sismica INGV-Roma 83325881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-28 06:31:05 ± 0.05
Latitude 42.6257 ± 0.0036
Longitude 13.3208 ± 0.0037
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 84829281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 307
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
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) 70
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44516
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 83325881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-28 06:48:50

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 84829281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-18 18:05:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RESU.HHZ. 2020-09-28T06:32:53.72 3.0 undecidable manual Sn -9.99 0
IV.ERC.EHZ. 2020-09-28T06:32:53.47 3.0 undecidable manual Sn -1.58 0
GU.RNCA.HHZ. 2020-09-28T06:32:43.65 3.0 undecidable manual Sn 9.3 0
IV.CAR1.HNZ. 2020-09-28T06:32:39.17 3.0 undecidable manual Sn -0.63 0
GU.RRL.HHZ. 2020-09-28T06:32:39.87 3.0 undecidable manual Pg 27.74 0
IV.SARZ.HHZ. 2020-09-28T06:32:39.08 3.0 undecidable manual Sn -0.72 0
IV.ACATE.EHZ. 2020-09-28T06:32:36.01 3.0 negative manual Pg 19.68 0
IV.TREG.HNZ. 2020-09-28T06:32:25.33 3.0 undecidable manual Sn 0.52 0
GU.POPM.HHZ. 2020-09-28T06:32:16.15 3.0 undecidable manual Sg 13.27 0
GU.CANO.HHZ. 2020-09-28T06:32:08.67 3.0 positive manual Pg 13.23 0
IV.CAR1.HNZ. 2020-09-28T06:32:02.33 3.0 undecidable manual Pg 8.62 0
IV.RIBO.EHZ.01 2020-09-28T06:32:00.70 3.0 undecidable manual Sg 12.5 0
IV.TREG.HNZ. 2020-09-28T06:31:44.00 3.0 undecidable manual Pn -1.29 0
IV.MTMR.EHZ. 2020-09-28T06:31:30.19 3.0 undecidable manual Pn 1.7 0
IV.FAGN.HHZ. 2020-09-28T06:31:22.93 3.0 undecidable manual Sg 0.24 0
IV.CPGN.EHZ. 2020-09-28T06:31:21.58 3.0 undecidable manual Pn 0.9 0
IV.FDMO.HHN. 2020-09-28T06:31:21.60 0.6 undecidable manual S 337 49.4172 50 0.46 42
IT.LRNO.HNZ. 2020-09-28T06:31:19.48 3.0 undecidable manual P -0.52 0
IV.GAVE.EHE. 2020-09-28T06:31:17.00 0.6 undecidable manual S 282 35.5422 50 -0.46 43
IV.TOLF.HHZ. 2020-09-28T06:31:17.52 3.0 undecidable manual Pn -0.01 0
IV.MMO1.EHZ. 2020-09-28T06:31:16.10 0.3 undecidable manual S 1 30.3474 50 0.03 71
IV.MC2.EHZ. 2020-09-28T06:31:16.60 1.0 undecidable manual S 341 33.4443 50 -0.3 22
IV.GIGS.HHZ. 2020-09-28T06:31:15.00 0.3 undecidable manual S 133 28.1496 50 -0.47 65
IV.NRCA.HHZ. 2020-09-28T06:31:15.40 0.1 undecidable manual S 324 28.5492 50 -0.19 92
IV.FDMO.HHN. 2020-09-28T06:31:14.68 0.3 undecidable manual P 337 49.4172 50 0.25 66
IV.TERO.HHZ. 2020-09-28T06:31:13.90 0.3 undecidable manual S 91 23.0547 113 -0.1 71
IV.LNSS.HNZ. 2020-09-28T06:31:13.90 0.6 undecidable manual S 264 23.0547 113 -0.08 48
IV.MC2.EHZ. 2020-09-28T06:31:12.09 1.0 undecidable manual P 341 33.4443 50 0.11 23
IV.GAVE.EHE. 2020-09-28T06:31:12.42 0.1 undecidable manual P 282 35.5422 50 0.11 93
IV.GIGS.HHZ. 2020-09-28T06:31:11.19 0.3 undecidable manual P 133 28.1496 50 0.03 72
IV.NRCA.HHZ. 2020-09-28T06:31:11.21 0.1 undecidable manual P 324 28.5492 50 -0.01 96
IV.RM33.EHZ. 2020-09-28T06:31:11.50 0.3 undecidable manual S 214 15.5733 123 -0.19 71
IV.MMO1.EHZ. 2020-09-28T06:31:11.60 0.6 undecidable manual P 1 30.3474 50 0.1 47
IV.MTRA.EHZ. 2020-09-28T06:31:11.50 0.1 undecidable manual S 23 15.7731 122 -0.25 93
IV.LNSS.HNZ. 2020-09-28T06:31:10.31 0.1 undecidable manual P 264 23.0547 113 0.01 97
IV.CAMP.HHZ. 2020-09-28T06:31:10.80 0.3 undecidable manual S 144 12.2766 129 0.04 73
IV.TERO.HHZ. 2020-09-28T06:31:10.47 0.1 undecidable manual P 91 23.0547 113 0.16 94
IV.RM33.EHZ. 2020-09-28T06:31:09.23 0.1 undecidable manual P 214 15.5733 123 0.25 93
IV.MTRA.EHZ. 2020-09-28T06:31:09.19 0.1 undecidable manual P 23 15.7731 122 0.18 94
IV.CAMP.HHZ. 2020-09-28T06:31:08.71 0.1 undecidable manual P 144 12.2766 129 0.27 93
IV.SMA1.EHZ. 2020-09-28T06:31:08.30 0.3 undecidable manual S 66 1.2987 173 -0.46 68
IV.SMA1.EHZ. 2020-09-28T06:31:07.40 0.1 undecidable manual P 66 1.2987 173 0.12 98
IV.T1299.EHZ. 2020-09-28T06:31:07.38 0.1 undecidable manual P 287 3.2967 162 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:2.1 0.0025150000000000003 0.24 AML other m 2020-09-28T06:31:08.58
IV.SMA1.EHE. ML:2.2 0.0029000000000000002 0.14 AML other m 2020-09-28T06:31:08.53
IV.MTRA.EHN. ML:1.2 0.000146 0.68 AML other m 2020-09-28T06:31:11.32
IV.MTRA.HNE. ML:1.3 0.00020062321 0.08 AML other m 2020-09-28T06:31:11.74
IV.MTRA.HNN. ML:1.1 0.00012268777 0.08 AML other m 2020-09-28T06:31:11.78
IV.MTRA.EHE. ML:1.4 0.0002165 0.26 AML other m 2020-09-28T06:31:11.74
IV.TERO.HHN. ML:1.6 0.000266 0.5 AML other m 2020-09-28T06:31:14.14
IV.TERO.HNN. ML:1.7 0.0002954478 0.1504 AML other m 2020-09-28T06:31:14.22
IV.TERO.HNE. ML:1.4 0.00016567215 0.0704 AML other m 2020-09-28T06:31:14.50
IV.TERO.HHE. ML:1.4 0.000174 0.28 AML other m 2020-09-28T06:31:14.50
IV.NRCA.HHN. ML:1.3 0.000109999625 0.1376 AML other m 2020-09-28T06:31:15.68
IV.RM33.EHN. ML:1.1 0.00010416694000000002 0.32 AML other m 2020-09-28T06:31:11.80
IV.RM33.EHE. ML:1.1 0.000106002535 0.2592 AML other m 2020-09-28T06:31:12.98
IV.NRCA.HHE. ML:1.2 0.00009234204 0.08 AML other m 2020-09-28T06:31:16.27
IV.NRCA.HNE. ML:1.3 0.00010176901 0.1696 AML other m 2020-09-28T06:31:15.49
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