Earthquake with magnitude of ML 1.4 on date 27-09-2020 and time 19:24:48 (Italy) in region 3 km W Amatrice (RI)

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

  • 27-09-2020 17:24:48 (UTC)
  • 27-09-2020 19:24:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6230, 13.2530 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
Amatrice RI 3 2657 2657
Cittareale RI 8 482 3139
Accumoli RI 8 667 3806
Montereale AQ 11 2581 6387
Campotosto AQ 12 542 6929
Capitignano AQ 12 665 7594
Borbona RI 16 617 8211
Posta RI 17 694 8905
Arquata del Tronto AP 17 1178 10083
Cagnano Amiterno AQ 18 1369 11452
Barete AQ 19 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
97 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 1.4 2020-09-27
17:24:48
42.6232 13.253 11 2021-02-26
14:56:11
Bollettino Sismico Italiano INGV 85785211
Reviewed
Rev100
ML 1.4 2020-09-27
17:24:48
42.6347 13.256 10 2020-09-27
17:34:22
Sala Sismica INGV-Roma 83307351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-27 17:24:48 ± 0.07
Latitude 42.6232 ± 0.0054
Longitude 13.2530 ± 0.0061
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85785211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 555
Semi-minor axis of confidence ellipse (meter) 470
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 166
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 30
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) 0.60434
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 83307351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-27 17:34:22

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 85785211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-28 10:05:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2020-09-27T17:26:30.04 3.0 undecidable manual Sg 5.45 0
IV.RESU.HHZ. 2020-09-27T17:26:19.45 3.0 undecidable manual Pg 19.540001 0
IV.AGLI.HHZ. 2020-09-27T17:26:14.64 3.0 undecidable manual Sn 5.98 0
IX.STN3.HNZ.01 2020-09-27T17:26:09.93 3.0 undecidable manual Sn -0.55 0
IV.MRLC.HHZ. 2020-09-27T17:26:06.35 3.0 undecidable manual Sn 1.96 0
IV.PCN.EHZ. 2020-09-27T17:26:06.80 3.0 undecidable manual Sg 0.35 0
XK.GIZZ.HHZ. 2020-09-27T17:25:56.74 3.0 positive manual Pn 5.15 0
IV.TDS.HHZ. 2020-09-27T17:25:43.09 3.0 undecidable manual Pn -1.81 0
IV.SARZ.HHZ. 2020-09-27T17:25:39.76 3.0 negative manual Pg 6.24 0
OX.DRE.HHZ. 2020-09-27T17:25:31.48 3.0 undecidable manual Pn -1.94 0
IV.NDIM.HNZ. 2020-09-27T17:25:20.31 3.0 positive manual Pg 0.3 0
IV.BRSN.EHZ. 2020-09-27T17:25:18.79 3.0 undecidable manual S -9.52 0
IV.ASSB.HHZ. 2020-09-27T17:25:09.76 0.6 undecidable manual S 314 67.0773 50 0.71 38
IV.MOMA.HHZ. 2020-09-27T17:25:07.32 0.6 undecidable manual S 290 59.1963 50 0.39 43
IV.CESI.HNZ. 2020-09-27T17:25:05.12 0.6 undecidable manual S 326 50.9157 50 0.38 44
IV.CSP1.EHZ. 2020-09-27T17:25:05.49 0.3 undecidable manual S 356 52.1034 50 0.43 65
IV.RMP.HHZ. 2020-09-27T17:25:01.93 3.0 positive manual P 0.54 0
IV.ASSB.HHZ. 2020-09-27T17:25:00.40 0.3 undecidable manual P 314 67.0773 50 -0.02 69
IV.MC2.EHZ. 2020-09-27T17:25:00.52 0.6 undecidable manual S 351 32.4453 50 0.73 40
IV.MOMA.HHZ. 2020-09-27T17:24:59.76 0.3 undecidable manual P 290 59.1963 50 0.57 61
IV.MMO1.EHZ. 2020-09-27T17:24:59.53 0.6 undecidable manual S 11 31.2465 50 0.06 49
IV.GAVE.HNZ. 2020-09-27T17:24:58.72 0.6 undecidable manual S 285 30.2475 50 -0.5 44
IV.TERO.HHZ. 2020-09-27T17:24:58.46 0.3 undecidable manual S 90 28.6491 50 -0.33 69
IV.NRCA.HHZ. 2020-09-27T17:24:57.47 0.3 undecidable manual S 334 25.9518 50 -0.59 65
IV.CESI.HNZ. 2020-09-27T17:24:57.59 0.1 undecidable manual P 326 50.9157 50 -0.34 88
IV.CSP1.EHZ. 2020-09-27T17:24:57.95 0.1 undecidable manual P 356 52.1034 50 -0.16 91
IV.MC2.EHZ. 2020-09-27T17:24:55.12 0.3 undecidable manual P 351 32.4453 50 0.05 73
IV.CAMP.HHE. 2020-09-27T17:24:55.28 0.3 undecidable manual S 127 15.9729 124 -0.04 75
IV.MTRA.EHE. 2020-09-27T17:24:55.75 0.3 undecidable manual S 38 18.87 120 -0.42 69
IV.LNSS.HNZ. 2020-09-27T17:24:55.38 0.6 undecidable manual S 263 17.4714 122 -0.38 46
IV.RM33.EHZ. 2020-09-27T17:24:54.34 0.6 undecidable manual S 194 13.0758 130 -0.16 49
IV.MMO1.EHZ. 2020-09-27T17:24:54.82 0.1 undecidable manual P 11 31.2465 50 -0.07 97
IV.GAVE.HNZ. 2020-09-27T17:24:54.66 0.3 undecidable manual P 285 30.2475 50 -0.08 73
IV.TERO.HHZ. 2020-09-27T17:24:54.58 0.1 undecidable manual P 90 28.6491 50 0.09 97
IV.NRCA.HHZ. 2020-09-27T17:24:53.74 0.1 undecidable manual P 334 25.9518 50 -0.33 92
IV.SMA1.EHZ. 2020-09-27T17:24:53.31 0.6 undecidable manual S 83 6.7932 148 0.26 48
IV.LNSS.HNZ. 2020-09-27T17:24:52.63 0.3 undecidable manual P 263 17.4714 122 -0.11 74
IV.T1299.HNN. 2020-09-27T17:24:52.48 0.6 undecidable manual S 63 2.6973 166 0 52
IV.RM33.EHZ. 2020-09-27T17:24:52.08 0.1 undecidable manual P 194 13.0758 130 0.06 100
IV.CAMP.HHE. 2020-09-27T17:24:52.60 0.1 undecidable manual P 127 15.9729 124 0.11 99
IV.MTRA.EHE. 2020-09-27T17:24:52.85 0.1 undecidable manual P 38 18.87 120 -0.13 98
IV.SMA1.EHZ. 2020-09-27T17:24:51.53 0.1 undecidable manual P 83 6.7932 148 0.36 95
IV.PE3.EHZ. 2020-09-27T17:24:51.22 3.0 undecidable manual P -6.47 0
IV.T1299.HNN. 2020-09-27T17:24:51.06 0.1 undecidable manual P 63 2.6973 166 0.21 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.5 0.00041400000000000003 0.24 AML other m 2020-09-27T17:24:53.52
IV.SMA1.EHN. ML:1.4 0.00032450000000000003 0.34 AML other m 2020-09-27T17:24:53.82
IV.RM33.EHN. ML:1.4 0.000234 0.26 AML other m 2020-09-27T17:24:54.40
IV.RM33.EHE. ML:1.5 0.0003145 0.14 AML other m 2020-09-27T17:24:54.71
IV.NRCA.HHN. ML:1.5 0.000182 0.12 AML other m 2020-09-27T17:24:57.74
IV.NRCA.HHE. ML:1.5 0.0001615 1.4 AML other m 2020-09-27T17:24:57.09
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download