Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 15-01-2019 and time 15:23:35 (Italy) in region 8 km NW Accumoli (RI)

A magnitude ML 1.0 earthquake occured in region: 8 km NW Accumoli (RI), on

  • 15-01-2019 14:23:35 (UTC)
  • 15-01-2019 15:23:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7540, 13.1880 at 7 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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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 8 667 667
Norcia PG 9 4957 5624
Arquata del Tronto AP 9 1178 6802
Cascia PG 15 3217 10019
Cittareale RI 15 482 10501
Montegallo AP 16 523 11024
Castelsantangelo sul Nera MC 16 281 11305
Amatrice RI 16 2657 13962
Acquasanta Terme AP 18 2916 16878
Preci PG 19 724 17602
Montemonaco AP 20 604 18206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
49 Km E of Terni (111501 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km W of Chieti (51815 inhabitants)
93 Km NE of Tivoli (56533 inhabitants)
96 Km E of Viterbo (67173 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
Reviewed
Rev100 		ML 1.0 2019-01-15
14:23:35		 42.7535 13.1885 7 2019-01-15
14:35:31		 Sala Sismica INGV-Roma 64698071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-15 14:23:35 ± 0.24
Latitude 42.7535 ± 0.0036
Longitude 13.1885 ± 0.0098
Depth (km) 7 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 64698071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 726
Semi-minor axis of confidence ellipse (meter) 331
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24551
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 64698071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-15 14:35:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VOBA.HNZ. 2019-01-15T14:25:25.17 3.0 undecidable manual Sg 13.29 0
AC.KBN.HHZ. 2019-01-15T14:25:16.02 3.0 undecidable manual Pg 15.96 0
IV.CRND.HNZ. 2019-01-15T14:25:12.42 3.0 undecidable manual Sg 3.92 0
IV.LTRZ.HNZ. 2019-01-15T14:25:12.01 3.0 undecidable manual Sg 7.14 0
IV.CTI.HHZ. 2019-01-15T14:25:06.75 3.0 undecidable manual Sn -7.98 0
IV.HAGA.HHZ. 2019-01-15T14:24:42.97 3.0 undecidable manual Pn -3.88 0
IV.PETRA.HHZ. 2019-01-15T14:24:39.26 3.0 undecidable manual Pn 2.82 0
IV.SALB.HHZ. 2019-01-15T14:24:29.63 3.0 undecidable manual Pg 6 0
IV.EUCT.HNZ. 2019-01-15T14:24:26.75 3.0 undecidable manual Pn -1.59 0
MN.TRI.HHZ. 2019-01-15T14:24:19.45 3.0 negative manual Pn -3.09 0
IV.CDRU.HHZ. 2019-01-15T14:24:15.61 3.0 undecidable manual Pg 5.72 0
GU.SARM.EHZ. 2019-01-15T14:24:12.00 3.0 positive manual Pg 2.35 0
IV.PTRJ.HNZ. 2019-01-15T14:23:57.19 3.0 undecidable manual P 1.16 0
IV.MCI.EHZ. 2019-01-15T14:23:47.80 3.0 negative manual P -1.25 0
IV.RM33.EHZ. 2019-01-15T14:23:45.29 0.3 undecidable manual S 176 27.2505 104 -0.23 70
IV.LNSS.HHZ. 2019-01-15T14:23:43.54 0.3 undecidable manual S 216 20.6682 108 0.23 71
IV.MMO1.EHZ. 2019-01-15T14:23:42.89 0.3 undecidable manual S 35 19.6692 108 -0.12 72
IV.CSP1.EHZ. 2019-01-15T14:23:42.81 3.0 undecidable manual P -2.54 0
IV.MC2.EHE. 2019-01-15T14:23:42.56 0.6 undecidable manual S 0 17.4714 110 0.27 47
IV.RM33.EHZ. 2019-01-15T14:23:41.85 0.3 undecidable manual P 176 27.2505 104 0.44 67
IV.GAVE.EHZ. 2019-01-15T14:23:40.77 0.3 undecidable manual P 254 24.9528 105 -0.2 71
IV.NRCA.HHZ. 2019-01-15T14:23:40.07 0.6 undecidable manual S 326 10.7781 121 -0.1 49
IV.MC2.EHE. 2019-01-15T14:23:39.60 0.1 undecidable manual P 0 17.4714 110 0.05 98
IV.MMO1.EHZ. 2019-01-15T14:23:39.80 1.0 negative manual P 35 19.6692 108 -0.16 24
IV.LNSS.HHZ. 2019-01-15T14:23:39.96 0.1 undecidable manual P 216 20.6682 108 -0.18 95
IV.NRCA.HHZ. 2019-01-15T14:23:38.35 0.1 negative manual P 326 10.7781 121 0.03 100
IT.RMMM.HGZ. 2019-01-15T14:23:38.75 3.0 undecidable manual S -3.81 0
IV.FIAM.HHZ. 2019-01-15T14:23:31.72 3.0 positive manual P -0.68 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.3 0.00026699225 0.0896 AML other m 2019-01-15T14:23:40.16
IV.NRCA.HHE. ML:1.1 0.0001845772 0.096 AML other m 2019-01-15T14:23:40.12
IV.NRCA.HNE. ML:1.1 0.00019487455000000002 0.4096 AML other m 2019-01-15T14:23:40.16
IV.NRCA.HHN. ML:1.3 0.00030742095000000003 0.0768 AML other m 2019-01-15T14:23:40.16
IV.LNSS.HHN. ML:0.9 0.000062358375 0.384 AML other m 2019-01-15T14:23:43.84
IV.LNSS.HHE. ML:0.8 0.000044587831 0.1216 AML other m 2019-01-15T14:23:45.60
IV.LNSS.HNN. ML:1.2 0.000123998465 1.4912 AML other m 2019-01-15T14:23:44.44
IV.LNSS.HNE. ML:1.0 0.000078625265 1.1584 AML other m 2019-01-15T14:23:44.68
IV.GAVE.EHE. ML:0.8 0.00003819305 0.1792 AML other m 2019-01-15T14:23:46.62
IV.GAVE.EHN. ML:0.6 0.000026878895 0.1152 AML other m 2019-01-15T14:23:45.07
IV.RM33.EHE. ML:0.9 0.000045481195 1.7792 AML other m 2019-01-15T14:23:46.27
IV.RM33.EHN. ML:0.6 0.000025026645 1.1008 AML other m 2019-01-15T14:23:46.24
IV.RM33.HNN. ML:1.3 0.00012191384999999999 0.5376 AML other m 2019-01-15T14:23:44.38
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