Earthquake with magnitude of ML 1.9 on date 27-09-2020 and time 11:26:07 (Italy) in region 4 km W Amatrice (RI)

A magnitude ML 1.9 earthquake occured in region: 4 km W Amatrice (RI), on

  • 27-09-2020 09:26:07 (UTC)
  • 27-09-2020 11:26:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6170, 13.2470 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
Amatrice RI 4 2657 2657
Cittareale RI 7 482 3139
Accumoli RI 9 667 3806
Montereale AQ 10 2581 6387
Capitignano AQ 12 665 7052
Campotosto AQ 12 542 7594
Borbona RI 15 617 8211
Posta RI 16 694 8905
Cagnano Amiterno AQ 18 1369 10274
Arquata del Tronto AP 18 1178 11452
Barete AQ 19 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
89 Km SE of Perugia (166134 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 1.9 2020-09-27
09:26:07
42.6168 13.247 12 2021-02-26
14:56:01
Bollettino Sismico Italiano INGV 84240001
Reviewed
Rev100
ML 2.0 2020-09-27
09:26:07
42.6193 13.2453 11 2020-09-27
09:31:58
Sala Sismica INGV-Roma 83294611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-27 09:26:07 ± 0.06
Latitude 42.6168 ± 0.0036
Longitude 13.2470 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84240001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 427
Semi-minor axis of confidence ellipse (meter) 93
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
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 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.72036
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:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 84240001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-28 09:49:08

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 83294611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-27 09:31:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-09-27T09:26:24.20 0.3 undecidable manual S 356 52.8027 91 0.26 67
IV.GUMA.HHZ. 2020-09-27T09:26:24.10 0.6 undecidable manual S 8 50.0166 91 0.91 36
IV.CESI.HHZ. 2020-09-27T09:26:23.91 0.3 undecidable manual S 327 51.3153 91 0.38 65
IV.MF5.EHN. 2020-09-27T09:26:22.67 0.6 undecidable manual S 23 44.622 92 0.91 37
IV.FDMO.HHZ. 2020-09-27T09:26:22.95 0.3 undecidable manual S 344 48.3183 92 0.2 68
IV.EL6.EHZ. 2020-09-27T09:26:20.94 0.3 undecidable manual P 352 79.9644 91 -0.18 64
IV.FIAM.HHZ. 2020-09-27T09:26:20.60 0.6 undecidable manual S 195 40.1265 92 0.05 47
IV.GIGS.HHN. 2020-09-27T09:26:18.28 0.6 undecidable manual S 124 32.2455 93 -0.17 47
IV.MMO1.EHZ. 2020-09-27T09:26:18.14 0.6 undecidable manual S 12 32.0457 93 -0.25 46
IV.MNTT.EHZ. 2020-09-27T09:26:18.36 0.3 undecidable manual P 30 56.9985 91 0.77 57
IV.MC2.EHZ. 2020-09-27T09:26:18.90 0.3 undecidable manual S 352 33.0447 93 0.23 69
IV.CESX.HHZ. 2020-09-27T09:26:17.08 0.3 undecidable manual P 269 53.9016 91 -0.04 69
IV.TERO.HHZ. 2020-09-27T09:26:17.24 0.6 undecidable manual S 89 29.1486 93 -0.39 45
IV.VCEL.EHZ. 2020-09-27T09:26:17.49 0.3 undecidable manual P 117 54.4011 91 0.29 66
IV.CESI.HHZ. 2020-09-27T09:26:16.71 0.3 undecidable manual P 327 51.3153 91 0 70
IV.FAGN.HHZ. 2020-09-27T09:26:16.53 0.6 undecidable manual P 145 47.7189 92 0.37 44
IV.CSP1.EHZ. 2020-09-27T09:26:16.77 0.1 undecidable manual P 356 52.8027 91 -0.18 90
IV.GUMA.HHZ. 2020-09-27T09:26:16.72 0.3 undecidable manual P 8 50.0166 91 0.21 68
IV.NRCA.HHZ. 2020-09-27T09:26:16.30 0.3 undecidable manual S 336 26.3514 94 -0.59 63
IV.MF5.EHN. 2020-09-27T09:26:15.90 0.3 undecidable manual P 23 44.622 92 0.21 68
IT.MTCL.HGZ. 2020-09-27T09:26:15.90 0.3 undecidable manual P 334 46.4202 92 -0.06 70
IV.FIAM.HHZ. 2020-09-27T09:26:15.04 0.1 undecidable manual P 195 40.1265 92 0.05 94
IV.FDMO.HHZ. 2020-09-27T09:26:15.96 0.1 undecidable manual P 344 48.3183 92 -0.3 88
IV.MTRA.HNZ. 2020-09-27T09:26:14.50 0.3 undecidable manual S 38 19.7691 98 -0.63 63
IV.CAMP.HHZ. 2020-09-27T09:26:14.00 0.6 undecidable manual S 124 15.9729 105 -0.15 48
IV.LNSS.HHZ. 2020-09-27T09:26:14.10 0.6 undecidable manual S 265 16.9719 102 -0.29 47
IV.MMO1.EHZ. 2020-09-27T09:26:13.59 0.1 positive manual P 12 32.0457 93 -0.15 93
MN.AQU.HNN. 2020-09-27T09:26:13.89 1.0 undecidable manual P 156 31.8459 93 0.17 23
IV.GIGS.HHN. 2020-09-27T09:26:13.70 0.3 undecidable manual P 124 32.2455 93 -0.08 71
IV.TERO.HHZ. 2020-09-27T09:26:13.22 0.1 undecidable manual P 89 29.1486 93 -0.08 95
IV.MC2.EHZ. 2020-09-27T09:26:13.78 0.1 undecidable manual P 352 33.0447 93 -0.12 94
IV.RM33.EHZ. 2020-09-27T09:26:13.10 0.3 undecidable manual S 193 12.2766 117 -0.11 74
IV.NRCA.HHZ. 2020-09-27T09:26:12.63 0.1 positive manual P 336 26.3514 94 -0.25 93
IV.SMA1.EHZ. 2020-09-27T09:26:12.10 0.3 undecidable manual S 78 7.3815 139 -0.09 75
IV.LNSS.HHZ. 2020-09-27T09:26:11.39 0.1 positive manual P 265 16.9719 102 -0.04 99
IV.MTRA.HNZ. 2020-09-27T09:26:11.68 0.1 undecidable manual P 38 19.7691 98 -0.18 95
IV.T1299.HNN. 2020-09-27T09:26:11.45 0.3 undecidable manual S 56 3.4965 159 -0.2 74
IV.CAMP.HHZ. 2020-09-27T09:26:11.36 0.1 undecidable manual P 124 15.9729 105 0.07 98
IV.RM33.EHZ. 2020-09-27T09:26:10.91 0.1 positive manual P 193 12.2766 117 0.16 96
IV.SMA1.EHZ. 2020-09-27T09:26:10.37 0.1 undecidable manual P 78 7.3815 139 0.21 96
IV.T1299.HNN. 2020-09-27T09:26:09.89 0.1 undecidable manual P 56 3.4965 159 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:2.8 0.008145347 0.2368 AML other m 2020-09-27T09:26:12.48
IV.SMA1.EHN. ML:2.3 0.0023693 0.1216 AML other m 2020-09-27T09:26:12.91
IV.RM33.HNN. ML:2.0 0.00102890115 0.1216 AML other m 2020-09-27T09:26:13.48
IV.RM33.EHN. ML:2.0 0.0010758746499999999 0.1216 AML other m 2020-09-27T09:26:13.48
IV.RM33.HNE. ML:2.4 0.0022834269999999998 0.1792 AML other m 2020-09-27T09:26:14.04
IV.RM33.EHE. ML:2.3 0.0022370475 0.1792 AML other m 2020-09-27T09:26:14.04
IV.LNSS.HHN. ML:2.0 0.0009149937 0.16 AML other m 2020-09-27T09:26:14.28
IV.LNSS.HNN. ML:2.0 0.00086912015 0.1536 AML other m 2020-09-27T09:26:14.29
IV.LNSS.HNE. ML:2.1 0.0010448175 0.1408 AML other m 2020-09-27T09:26:14.40
IV.LNSS.HHE. ML:2.1 0.0011054845 0.1216 AML other m 2020-09-27T09:26:14.34
IV.CAMP.HHE. ML:1.2 0.00012709959999999997 0.2048 AML other m 2020-09-27T09:26:14.42
IV.MTRA.HNN. ML:2.0 0.0006764595 0.0768 AML other m 2020-09-27T09:26:14.69
IV.MTRA.EHN. ML:2.1 0.0009080327500000001 0.1984 AML other m 2020-09-27T09:26:15.04
IV.MTRA.HNE. ML:2.2 0.00106002675 0.2752 AML other m 2020-09-27T09:26:15.55
IV.MTRA.EHE. ML:2.2 0.00111352025 0.2816 AML other m 2020-09-27T09:26:15.56
IV.NRCA.HNE. ML:2.3 0.0009975218 0.16 AML other m 2020-09-27T09:26:16.63
IV.NRCA.HHE. ML:2.3 0.0010933748500000001 0.16 AML other m 2020-09-27T09:26:16.63
IV.NRCA.HNN. ML:2.0 0.0005954893 0.1024 AML other m 2020-09-27T09:26:16.79
IV.NRCA.HHN. ML:2.1 0.0006525785500000001 0.1024 AML other m 2020-09-27T09:26:16.79
IV.CAMP.HHN. ML:1.3 0.0001839267 0.32 AML other m 2020-09-27T09:26:17.42
IV.TERO.HHN. ML:1.9 0.00036512875 0.1152 AML other m 2020-09-27T09:26:17.89
IV.TERO.HNE. ML:1.7 0.0002404972 0.064 AML other m 2020-09-27T09:26:18.12
IV.TERO.HHE. ML:1.7 0.0002344963 0.0384 AML other m 2020-09-27T09:26:18.20
IV.TERO.HNN. ML:1.9 0.00039300919999999995 0.0768 AML other m 2020-09-27T09:26:18.41
IV.FIAM.HHN. ML:1.2 0.000052956290000000006 0.32 AML other m 2020-09-27T09:26:20.83
IV.FIAM.HHE. ML:1.2 0.000052919375000000005 0.3008 AML other m 2020-09-27T09:26:21.12
IV.FDMO.HHN. ML:1.4 0.00007437674999999999 0.16 AML other m 2020-09-27T09:26:23.34
IV.FDMO.HHE. ML:1.4 0.00006183027500000001 0.1024 AML other m 2020-09-27T09:26:24.27
IV.GUMA.HHE. ML:2.3 0.0005094028499999999 0.3008 AML other m 2020-09-27T09:26:24.33
IV.GUMA.HNE. ML:2.1 0.00033217255 0.3392 AML other m 2020-09-27T09:26:24.33
IV.GUMA.HHN. ML:1.9 0.0002100258 0.4992 AML other m 2020-09-27T09:26:24.73
IV.CSP1.EHE. ML:1.8 0.00015257699999999999 0.1984 AML other m 2020-09-27T09:26:24.98
IV.VCEL.EHN. ML:1.8 0.00015038395 0.16 AML other m 2020-09-27T09:26:26.52
IV.FAGN.HHE. ML:1.6 0.00011486931000000001 0.2368 AML other m 2020-09-27T09:26:26.76
IV.CESX.HHE. ML:1.5 0.000069643835 0.16 AML other m 2020-09-27T09:26:27.14
IV.CESI.HHN. ML:1.4 0.00006194372 0.16 AML other m 2020-09-27T09:26:27.80
IV.CESX.HHN. ML:1.5 0.00007864592000000001 0.1984 AML other m 2020-09-27T09:26:28.16
IV.FAGN.HHN. ML:1.6 0.00010842794 0.3776 AML other m 2020-09-27T09:26:28.98
IV.CSP1.EHN. ML:1.9 0.00019461665 0.3584 AML other m 2020-09-27T09:26:29.62
IV.VCEL.EHE. ML:1.8 0.00012879116500000003 0.2624 AML other m 2020-09-27T09:26:29.53
IV.CESI.HHE. ML:1.3 0.00004614455 0.3008 AML other m 2020-09-27T09:26:31.17
IV.MNTT.EHN. ML:1.8 0.00014669163999999997 0.3648 AML other m 2020-09-27T09:26:33.24
IV.EL6.EHN. ML:1.7 0.00006841650000000001 0.32 AML other m 2020-09-27T09:26:34.84
IV.EL6.EHE. ML:1.7 0.00007003013 0.5632 AML other m 2020-09-27T09:26:42.93
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
Waveforms Seismic signals in miniseed + resp format Download