Earthquake with magnitude of ML 1.3 on date 27-01-2020 and time 18:22:33 (Italy) in region 6 km NW Accumoli (RI)

A magnitude ML 1.3 earthquake occured in region: 6 km NW Accumoli (RI), on

  • 27-01-2020 17:22:33 (UTC)
  • 27-01-2020 18:22:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7250, 13.1880 at 14 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 6 667 667
Arquata del Tronto AP 11 1178 1845
Norcia PG 11 4957 6802
Cittareale RI 12 482 7284
Amatrice RI 13 2657 9941
Cascia PG 14 3217 13158
Montegallo AP 18 523 13681
Acquasanta Terme AP 19 2916 16597
Castelsantangelo sul Nera MC 19 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
47 Km SE of Foligno (57155 inhabitants)
48 Km E of Terni (111501 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km W of Pescara (121014 inhabitants)
90 Km W of Chieti (51815 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
95 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 1.3 2020-01-27
17:22:33
42.7248 13.1875 14 2020-07-18
21:08:23
Bollettino Sismico Italiano INGV 77051821
Reviewed
Rev100
ML 1.3 2020-01-27
17:22:34
42.7273 13.1907 12 2020-01-27
17:35:57
Sala Sismica INGV-Roma 75919721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-27 17:22:33 ± 0.07
Latitude 42.7248 ± 0.0027
Longitude 13.1875 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77051821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 28
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32016
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 77051821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-05 16:44:27

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 75919721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-27 17:35:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2020-01-27T17:24:08.66 3.0 undecidable manual Sn 1.91 0
AC.VLO.HHZ. 2020-01-27T17:23:59.44 3.0 undecidable manual Pg 15.02 0
IV.MNTV.HNZ. 2020-01-27T17:23:54.98 3.0 undecidable manual Sg 12.05 0
IT.VNF1.HGZ. 2020-01-27T17:23:23.11 3.0 undecidable manual Sg 1.02 0
IV.LRP.EHZ. 2020-01-27T17:23:15.93 3.0 undecidable manual Sg -0.89 0
IV.VITU.HHZ. 2020-01-27T17:23:03.59 3.0 undecidable manual Pn 1.02 0
IV.LRP.EHZ. 2020-01-27T17:22:56.90 3.0 undecidable manual Pg 3.02 0
TV.SF04.EHZ. 2020-01-27T17:22:53.28 3.0 negative manual P 2.55 0
IV.CERT.HHZ. 2020-01-27T17:22:49.62 3.0 negative manual P -0.74 0
IV.FDMO.HHZ. 2020-01-27T17:22:46.07 0.3 undecidable manual S 347 35.5422 97 0.17 70
IT.MTCL.HGZ. 2020-01-27T17:22:45.42 0.6 undecidable manual S 333 33.5442 98 0.05 48
IV.CAMP.HHZ. 2020-01-27T17:22:43.85 0.6 undecidable manual S 139 27.6501 101 0.02 49
IV.MMO1.EHZ. 2020-01-27T17:22:42.45 0.3 undecidable manual S 30 22.4553 106 -0.02 74
IV.MC2.EHZ. 2020-01-27T17:22:42.63 0.6 undecidable manual S 0 20.6682 108 0.61 42
IV.GAVE.EHZ. 2020-01-27T17:22:42.84 0.3 undecidable manual S 261 24.1536 104 -0.08 72
IV.RM33.EHZ. 2020-01-27T17:22:42.81 0.3 undecidable manual S 175 24.0537 104 -0.08 72
IV.LNSS.HHZ. 2020-01-27T17:22:41.36 0.3 undecidable manual S 222 18.0708 113 -0.01 73
IV.SMA1.EHZ. 2020-01-27T17:22:41.17 0.3 undecidable manual S 131 15.9729 117 0.31 70
IV.FDMO.HHZ. 2020-01-27T17:22:40.77 0.1 undecidable manual P 347 35.5422 97 -0.06 95
IT.MTCL.HGZ. 2020-01-27T17:22:40.58 0.3 undecidable manual P 333 33.5442 98 0.05 72
IV.MTRA.EHN. 2020-01-27T17:22:40.77 0.3 undecidable manual S 78 17.3715 114 -0.43 69
IV.T1299.HNN. 2020-01-27T17:22:40.05 0.6 undecidable manual S 142 12.6762 126 -0.06 49
IV.CAMP.HHZ. 2020-01-27T17:22:39.55 0.3 undecidable manual P 139 27.6501 101 -0.09 72
IV.PESA.HHZ. 2020-01-27T17:22:39.13 3.0 undecidable manual P -2.26 0
IV.NRCA.HHZ. 2020-01-27T17:22:39.85 0.1 undecidable manual S 334 13.4754 124 -0.43 92
IV.GAVE.EHZ. 2020-01-27T17:22:39.26 0.3 undecidable manual P 261 24.1536 104 0.15 72
IV.RM33.EHZ. 2020-01-27T17:22:39.02 0.1 undecidable manual P 175 24.0537 104 -0.07 96
IV.MTRA.EHN. 2020-01-27T17:22:38.13 0.3 undecidable manual P 78 17.3715 114 0.01 74
IV.MMO1.EHZ. 2020-01-27T17:22:38.95 0.1 undecidable manual P 30 22.4553 106 0.1 96
IV.LNSS.HHZ. 2020-01-27T17:22:38.27 0.1 undecidable manual P 222 18.0708 113 0.05 99
IV.MC2.EHZ. 2020-01-27T17:22:38.57 0.3 undecidable manual P 0 20.6682 108 -0.02 74
IV.T1299.HNN. 2020-01-27T17:22:37.63 0.1 undecidable manual P 142 12.6762 126 0.14 98
IV.NRCA.HHZ. 2020-01-27T17:22:37.60 0.1 positive manual P 334 13.4754 124 0.01 100
IV.SMA1.EHZ. 2020-01-27T17:22:37.95 0.1 undecidable manual P 131 15.9729 117 0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.6 0.0003594185 0.064 AML other m 2020-01-27T17:22:39.91
IV.NRCA.HHN. ML:1.7 0.00042972200000000006 0.064 AML other m 2020-01-27T17:22:39.91
IV.NRCA.HNE. ML:1.7 0.0004232538 0.1664 AML other m 2020-01-27T17:22:40.07
IV.NRCA.HHE. ML:1.7 0.00045757375 0.192 AML other m 2020-01-27T17:22:40.17
IV.LNSS.HNN. ML:1.4 0.00018522339999999999 0.896 AML other m 2020-01-27T17:22:40.29
IV.LNSS.HNE. ML:1.4 0.00017718830000000002 0.2688 AML other m 2020-01-27T17:22:41.64
IV.LNSS.HHE. ML:1.4 0.00016524745000000003 0.2816 AML other m 2020-01-27T17:22:41.64
IV.LNSS.HHN. ML:1.4 0.0001726481 0.256 AML other m 2020-01-27T17:22:41.70
IV.SMA1.EHN. ML:1.0 0.00007548233 0.2176 AML other m 2020-01-27T17:22:41.84
IV.SMA1.EHE. ML:1.2 0.00011571240000000001 0.1152 AML other m 2020-01-27T17:22:42.12
IV.RM33.HNN. ML:1.3 0.00011553875 1.7696 AML other m 2020-01-27T17:22:42.91
IV.RM33.EHE. ML:1.2 0.00009951436499999999 0.2048 AML other m 2020-01-27T17:22:43.16
IV.RM33.EHN. ML:1.2 0.00008490127 0.2816 AML other m 2020-01-27T17:22:43.73
IV.GAVE.EHE. ML:1.2 0.00009706505 0.1408 AML other m 2020-01-27T17:22:43.75
IV.GAVE.EHN. ML:1.2 0.000100057785 0.1408 AML other m 2020-01-27T17:22:44.15
IV.CAMP.HHE. ML:0.6 0.0000209443945 0.2688 AML other m 2020-01-27T17:22:44.22
IV.CAMP.HHN. ML:0.8 0.000027793344999999997 0.3328 AML other m 2020-01-27T17:22:45.17
IV.FDMO.HHN. ML:0.9 0.00002844877 0.2944 AML other m 2020-01-27T17:22:46.27
IV.FDMO.HHE. ML:0.8 0.00002652125735 0.1408 AML other m 2020-01-27T17:22:46.69
IV.RM33.HNE. ML:1.4 0.0001521662 1.232 AML other m 2020-01-27T17:22:54.10
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