Earthquake with magnitude of ML 1.0 on date 22-08-2019 and time 05:10:41 (Italy) in region 5 km SW Arquata del Tronto (AP)

A magnitude ML 1.0 earthquake occured in region: 5 km SW Arquata del Tronto (AP), on

  • 22-08-2019 03:10:41 (UTC)
  • 22-08-2019 05:10:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7340, 13.2790 at 10 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
Arquata del Tronto AP 5 1178 1178
Accumoli RI 5 667 1845
Amatrice RI 12 2657 4502
Acquasanta Terme AP 12 2916 7418
Montegallo AP 13 523 7941
Cittareale RI 16 482 8423
Norcia PG 17 4957 13380
Valle Castellana TE 18 977 14357
Montemonaco AP 19 604 14961

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
53 Km E of Foligno (57155 inhabitants)
55 Km E of Terni (111501 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
84 Km NW of Chieti (51815 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 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
Bulletin
Rev1000
ML 1.0 2019-08-22
03:10:41
42.7337 13.2787 11 2019-11-13
14:31:08
Bollettino Sismico Italiano INGV 73609971
Reviewed
Rev100
ML 1.0 2019-08-22
03:10:41
42.7217 13.2805 11 2019-08-22
03:16:54
Sala Sismica INGV-Roma 71689431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-22 03:10:41 ± 0.07
Latitude 42.7337 ± 0.0036
Longitude 13.2787 ± 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 73609971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 299
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 220
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36153
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 71689431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-22 03:16:54

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 73609971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-03 10:59:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGG.HHZ. 2019-08-22T03:11:37.00 3.0 undecidable manual Sg 9.48 0
IT.RMMM.HGZ. 2019-08-22T03:11:08.29 3.0 undecidable manual Sn -0.04 0
IV.GIUL.HHZ. 2019-08-22T03:10:56.14 3.0 undecidable manual Pn -2.09 0
IV.LAV9.HHZ. 2019-08-22T03:10:55.81 3.0 undecidable manual Pn -0.81 0
IV.CSP1.EHZ. 2019-08-22T03:10:54.91 1.0 undecidable manual S 351 40.1265 50 0.24 23
IV.GUMA.HHZ. 2019-08-22T03:10:53.65 0.3 undecidable manual S 7 36.741 50 -0.12 71
IV.MC2.EHZ. 2019-08-22T03:10:49.60 0.6 undecidable manual S 340 21.0678 116 0.1 49
IV.GUMA.HHZ. 2019-08-22T03:10:48.70 0.1 undecidable manual P 7 36.741 50 0.18 93
IV.NRCA.HHZ. 2019-08-22T03:10:48.30 0.6 undecidable manual S 310 17.3715 121 -0.09 49
IV.CSP1.EHZ. 2019-08-22T03:10:48.89 0.1 undecidable manual P 351 40.1265 50 -0.15 93
IV.MTRA.EHZ. 2019-08-22T03:10:46.19 0.6 undecidable manual S 75 9.879 136 -0.17 49
IV.MC2.EHZ. 2019-08-22T03:10:46.06 0.1 undecidable manual P 340 21.0678 116 0 99
IV.RM33.EHZ. 2019-08-22T03:10:46.67 1.0 undecidable manual P 192 25.4523 50 -0.11 24
IV.MURB.HHZ. 2019-08-22T03:10:45.32 3.0 negative manual P -0.91 0
IV.NRCA.HHZ. 2019-08-22T03:10:45.42 0.1 undecidable manual P 310 17.3715 121 0 100
IV.MTRA.EHZ. 2019-08-22T03:10:44.32 0.1 undecidable manual P 75 9.879 136 0.08 100
IV.SMA1.EHZ. 2019-08-22T03:10:44.65 0.6 positive manual P 158 12.3765 130 0.05 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.1 0.0001555 0.38 AML other m 2019-08-22T03:10:46.78
IV.MTRA.EHE. ML:1.5 0.0003775 0.98 AML other m 2019-08-22T03:10:46.31
IV.SMA1.EHE. ML:0.4 0.0000321 0.42 AML other m 2019-08-22T03:10:47.37
IV.NRCA.HHE. ML:1.5 0.0002525 0.18 AML other m 2019-08-22T03:10:48.41
IV.NRCA.HHN. ML:1.4 0.000215 0.16 AML other m 2019-08-22T03:10:48.51
IV.LNSS.HHN. ML:0.8 0.000040300000000000004 0.26 AML other m 2019-08-22T03:10:50.37
IV.RM33.EHN. ML:0.8 0.00003895 0.94 AML other m 2019-08-22T03:10:51.00
IV.SMA1.EHN. ML:0.6 0.000043349999999999997 1.1 AML other m 2019-08-22T03:10:51.03
IV.TERO.HHN. ML:0.8 0.00003445 1.24 AML other m 2019-08-22T03:10:51.05
IV.TERO.HHE. ML:0.7 0.00002745 0.32 AML other m 2019-08-22T03:10:51.30
IV.LNSS.HHE. ML:1.0 0.00006075 0.34 AML other m 2019-08-22T03:10:51.76
IV.RM33.EHE. ML:0.8 0.000034949999999999996 1.54 AML other m 2019-08-22T03:10:51.12
IV.LAV9.HHE. ML:2.4 0.000179 0.26 AML other m 2019-08-22T03:11:38.10
IV.LAV9.HHN. ML:2.4 0.0001795 0.44 AML other m 2019-08-22T03:11:40.06
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