Earthquake with magnitude of ML 0.8 on date 22-08-2019 and time 22:12:41 (Italy) in region 5 km NE Cittareale (RI)

A magnitude ML 0.8 earthquake occured in region: 5 km NE Cittareale (RI), on

  • 22-08-2019 20:12:41 (UTC)
  • 22-08-2019 22:12:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6550, 13.1920 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
Cittareale RI 5 482 482
Accumoli RI 7 667 1149
Amatrice RI 8 2657 3806
Montereale AQ 15 2581 6387
Arquata del Tronto AP 16 1178 7565
Cascia PG 16 3217 10782
Borbona RI 17 617 11399
Posta RI 17 694 12093
Capitignano AQ 17 665 12758
Norcia PG 17 4957 17715
Campotosto AQ 18 542 18257
Monteleone di Spoleto PG 20 599 18856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
86 Km W of Pescara (121014 inhabitants)
87 Km W of Chieti (51815 inhabitants)
93 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 0.8 2019-08-22
20:12:41
42.655 13.1922 11 2019-11-13
14:31:07
Bollettino Sismico Italiano INGV 73293631
Reviewed
Rev100
ML 0.8 2019-08-22
20:12:41
42.6497 13.1913 12 2019-08-22
20:25:45
Sala Sismica INGV-Roma 71714061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-22 20:12:41 ± 0.07
Latitude 42.6550 ± 0.0036
Longitude 13.1922 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73293631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 397
Semi-minor axis of confidence ellipse (meter) 246
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32286
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 73293631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-16 21:55:19

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 71714061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-22 20:25:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAPR.HNZ. 2019-08-22T20:14:18.90 3.0 undecidable manual Sn -0.61 0
IV.ILLI.HHZ. 2019-08-22T20:14:15.69 3.0 undecidable manual Sn -1.95 0
IV.MCRV.HHZ. 2019-08-22T20:13:42.22 3.0 undecidable manual Sg 11.59 0
IV.ZONE.HHZ. 2019-08-22T20:13:38.29 3.0 positive manual Pn 5.9 0
CR.STON.BHZ. 2019-08-22T20:13:22.54 3.0 undecidable manual Pn 1.1 0
IV.DGI.HHZ. 2019-08-22T20:13:20.71 3.0 undecidable manual Pn -1.13 0
IV.TOLF.HHZ. 2019-08-22T20:13:05.14 3.0 undecidable manual Sn -0.48 0
IV.PE3.EHZ. 2019-08-22T20:12:56.40 3.0 negative manual Pn -0.91 0
IV.MURB.HHZ. 2019-08-22T20:12:53.81 3.0 undecidable manual Pg 1.41 0
IV.ARRO.EHZ. 2019-08-22T20:12:53.41 0.6 undecidable manual S 257 35.8419 50 0.16 48
IV.SAMA.HHZ. 2019-08-22T20:12:50.26 3.0 negative manual Pn 2.42 0
IV.CAMP.HHZ. 2019-08-22T20:12:49.26 0.6 undecidable manual S 127 22.0668 50 -0.33 44
IV.NRCA.HNZ. 2019-08-22T20:12:49.24 0.6 undecidable manual S 342 20.7681 50 0 48
IV.ARRO.EHZ. 2019-08-22T20:12:48.03 0.1 undecidable manual P 257 35.8419 50 -0.13 68
IV.MTRA.EHZ. 2019-08-22T20:12:48.85 0.1 undecidable manual S 56 20.1687 50 -0.21 92
IV.SMA1.EHZ. 2019-08-22T20:12:47.07 0.1 undecidable manual S 103 11.9769 132 0.22 95
IV.RM33.EHZ. 2019-08-22T20:12:47.70 0.1 undecidable manual S 174 16.2726 124 -0.33 94
IV.LNSS.HHZ. 2019-08-22T20:12:47.32 0.6 undecidable manual S 245 13.6752 129 0.02 49
IV.CAMP.HHZ. 2019-08-22T20:12:46.32 0.3 undecidable manual P 127 22.0668 50 0.27 72
IV.T1299.EHE. 2019-08-22T20:12:45.87 0.1 undecidable manual S 107 7.6812 145 0 100
IV.MTRA.EHZ. 2019-08-22T20:12:45.74 0.1 undecidable manual P 56 20.1687 50 0 96
IV.NRCA.HNZ. 2019-08-22T20:12:45.93 0.3 undecidable manual P 342 20.7681 50 0.08 73
IV.RM33.EHZ. 2019-08-22T20:12:45.07 0.1 undecidable manual P 174 16.2726 124 -0.08 98
IV.GUMA.HHZ. 2019-08-22T20:12:44.87 3.0 undecidable manual Pn 0
IV.T1299.EHE. 2019-08-22T20:12:44.12 0.1 undecidable manual P 107 7.6812 145 0.22 97
IV.SMA1.EHZ. 2019-08-22T20:12:44.70 0.1 undecidable manual P 103 11.9769 132 0.23 96
IV.LNSS.HHZ. 2019-08-22T20:12:44.78 0.1 undecidable manual P 245 13.6752 129 0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.6 0.00004165000000000001 1.14 AML other m 2019-08-22T20:12:47.28
IV.SMA1.EHE. ML:1.4 0.00026749999999999994 0.3 AML other m 2019-08-22T20:12:47.49
IV.SMA1.EHN. ML:1.1 0.000132 0.2 AML other m 2019-08-22T20:12:47.45
IV.RM33.EHE. ML:0.7 0.00004015000000000001 0.28 AML other m 2019-08-22T20:12:47.83
IV.LNSS.HHN. ML:0.7 0.0000441 0.4 AML other m 2019-08-22T20:12:48.30
IV.RM33.EHN. ML:0.6 0.00003465 1.1 AML other m 2019-08-22T20:12:48.38
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