Earthquake with magnitude of ML 0.5 on date 15-10-2019 and time 07:29:52 (Italy) in region 5 km W Accumoli (RI)

A magnitude ML 0.5 earthquake occured in region: 5 km W Accumoli (RI), on

  • 15-10-2019 05:29:52 (UTC)
  • 15-10-2019 07:29:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.68, 13.2 at 8 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 5 667 667
Cittareale RI 7 482 1149
Amatrice RI 9 2657 3806
Arquata del Tronto AP 14 1178 4984
Norcia PG 15 4957 9941
Cascia PG 16 3217 13158
Montereale AQ 18 2581 15739
Posta RI 19 694 16433
Borbona RI 19 617 17050
Campotosto AQ 20 542 17592
Capitignano AQ 20 665 18257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
87 Km W of Pescara (121014 inhabitants)
88 Km W of Chieti (51815 inhabitants)
94 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 0.5 2019-10-15
05:29:52
42.68 13.2 8 2020-02-28
16:41:57
Bollettino Sismico Italiano INGV 73375751
Reviewed
Rev100
ML 0.8 2019-10-15
05:29:51
42.68 13.21 10 2019-10-15
05:39:07
Sala Sismica INGV-Roma 73262541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-15 05:29:52 ± 0.1
Latitude 42.68 ± 0.00
Longitude 13.20 ± 0.00
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73375751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 346
Semi-minor axis of confidence ellipse (meter) 151
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 350
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 16
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
Epicentral distance of station farthest from the epicenter (degree) 0.33185
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 73375751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-21 12:55:47

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 73262541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-15 05:39:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FVI.HHZ. 2019-10-15T05:31:42.13 3.0 undecidable manual Sg 14.43 0
RF.GEPF.HHZ. 2019-10-15T05:31:39.21 3.0 undecidable manual Sg 18.219999 0
IV.ISPIC.HNZ. 2019-10-15T05:31:30.98 3.0 negative manual Pg 22.43 0
IV.EUCT.HNZ. 2019-10-15T05:31:10.72 3.0 undecidable manual Sn -0.2 0
IV.MARS.EHZ. 2019-10-15T05:31:00.76 3.0 negative manual Pg 10.88 0
IV.VULT.HHZ. 2019-10-15T05:31:00.78 3.0 undecidable manual Sn -2.93 0
GU.SATI.HHZ. 2019-10-15T05:30:48.20 3.0 negative manual Pn 2.6 0
IV.ERC.EHZ. 2019-10-15T05:30:47.90 3.0 undecidable manual Pn 1.89 0
IV.COLB.HHZ. 2019-10-15T05:30:43.65 3.0 undecidable manual Sn -1.21 0
CR.STON.BHZ. 2019-10-15T05:30:43.22 3.0 undecidable manual Pn 1.99 0
GU.GBOS.HHZ. 2019-10-15T05:30:41.06 3.0 positive manual Pg 8.88 0
IV.APEC.HHZ. 2019-10-15T05:30:12.44 3.0 undecidable manual S -1.09 0
IV.MC2.EHZ. 2019-10-15T05:30:01.49 0.3 undecidable manual S 359 0.2329 107 0.07 73
IV.ARRO.EHZ. 2019-10-15T05:29:59.65 0.6 undecidable manual P 253 0.3318 50 0.15 47
IV.MTRA.EHE. 2019-10-15T05:29:59.01 0.6 undecidable manual S 62 0.1664 113 0 50
IV.NRCA.HHZ. 2019-10-15T05:29:58.88 0.3 undecidable manual S 339 0.1664 113 -0.13 73
IV.RM33.EHZ. 2019-10-15T05:29:58.91 0.3 undecidable manual S 175 0.17 113 -0.21 72
IV.LNSS.HNZ. 2019-10-15T05:29:58.22 0.3 undecidable manual S 237 0.1376 118 0.23 72
IV.MMO1.EHZ. 2019-10-15T05:29:57.77 0.3 undecidable manual P 23 0.241 107 0.16 72
IV.MC2.EHZ. 2019-10-15T05:29:57.17 0.6 undecidable manual P 359 0.2329 107 -0.28 47
IV.T1299.HNN. 2019-10-15T05:29:56.28 0.6 undecidable manual S 125 0.0764 133 0.2 49
IV.SMA1.EHN. 2019-10-15T05:29:56.99 0.6 undecidable manual S 115 0.1124 123 -0.18 49
IV.MTRA.EHE. 2019-10-15T05:29:56.33 0.3 undecidable manual P 62 0.1664 113 0.28 71
IV.NRCA.HHZ. 2019-10-15T05:29:55.85 0.1 undecidable manual P 339 0.1664 113 -0.2 96
IV.RM33.EHZ. 2019-10-15T05:29:55.92 0.3 undecidable manual P 175 0.17 113 -0.2 72
IV.LNSS.HNZ. 2019-10-15T05:29:55.51 0.1 undecidable manual P 237 0.1376 118 0.04 100
IV.SMA1.EHN. 2019-10-15T05:29:54.87 0.1 undecidable manual P 115 0.1124 123 -0.12 99
IV.T1299.HNN. 2019-10-15T05:29:54.55 0.1 undecidable manual P 125 0.0764 133 0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.5 2.63E-5 0.1 AML other m 2019-10-15T05:29:59.31
IV.RM33.EHE. ML:0.5 2.665E-5 1.02 AML other m 2019-10-15T05:29:59.40
IV.RMP.HHN. ML:2.5 0.0002915 1.06 AML other m 2019-10-15T05:30:16.70
IV.RMP.HHE. ML:2.5 0.0002795 0.1 AML other m 2019-10-15T05:30:18.20
GU.SATI.HHE. ML:3.1 2.34E-5 0.42 AML other m 2019-10-15T05:31:44.41
GU.SATI.HHN. ML:3 1.93E-5 0.42 AML other m 2019-10-15T05:31:57.70
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download