Earthquake with magnitude of ML 1.5 on date 30-08-2020 and time 05:49:45 (Italy) in region 5 km SW Acquasanta Terme (AP)

A magnitude ML 1.5 earthquake occured in region: 5 km SW Acquasanta Terme (AP), on

  • 30-08-2020 03:49:45 (UTC)
  • 30-08-2020 05:49:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7300, 13.3740 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
Acquasanta Terme AP 5 2916 2916
Arquata del Tronto AP 8 1178 4094
Valle Castellana TE 10 977 5071
Accumoli RI 11 667 5738
Montegallo AP 13 523 6261
Amatrice RI 13 2657 8918
Rocca Santa Maria TE 13 537 9455
Cortino TE 16 656 10111
Roccafluvione AP 17 2010 12121
Campotosto AQ 19 542 12663
Montemonaco AP 19 604 13267
Venarotta AP 20 2066 15333

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Teramo (54892 inhabitants)
42 Km N of L'Aquila (69753 inhabitants)
60 Km E of Foligno (57155 inhabitants)
62 Km E of Terni (111501 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
75 Km W of Pescara (121014 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
91 Km E of Perugia (166134 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
99 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 1.5 2020-08-30
03:49:45
42.7302 13.3742 14 2020-11-19
12:37:01
Bollettino Sismico Italiano INGV 82901931
Reviewed
Rev100
ML 1.5 2020-08-30
03:49:45
42.7278 13.3747 16 2020-08-30
03:58:28
Sala Sismica INGV-Roma 82454221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-30 03:49:45 ± 0.08
Latitude 42.7302 ± 0.0027
Longitude 13.3742 ± 0.0049
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 82901931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 408
Semi-minor axis of confidence ellipse (meter) 91
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 82454221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-30 03:58:28

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 82901931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-14 12:18:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.LRNO.HNZ. 2020-08-30T03:50:34.68 3.0 undecidable manual S 0.48 0
IV.RNI2.HHZ. 2020-08-30T03:50:22.53 3.0 undecidable manual S -3.43 0
IV.CSP1.EHZ. 2020-08-30T03:49:59.37 0.3 undecidable manual S 341 42.4242 96 0.11 69
IV.MNTT.EHZ. 2020-08-30T03:49:59.45 1.0 undecidable manual S 26 40.9257 97 0.57 20
IV.GUMA.HHZ. 2020-08-30T03:49:58.38 0.3 undecidable manual S 355 37.0296 98 0.55 63
IV.GAVE.EHZ. 2020-08-30T03:49:58.84 0.6 undecidable manual S 264 39.3273 97 0.39 44
IV.FDMO.HHZ. 2020-08-30T03:49:58.84 0.3 undecidable manual S 326 41.2254 96 -0.1 68
IV.LNSS.HHZ. 2020-08-30T03:49:56.52 0.3 undecidable manual S 243 30.6471 100 0.36 68
IV.MF5.EHZ. 2020-08-30T03:49:56.30 0.3 undecidable manual S 14 29.4483 101 0.47 65
IV.RM33.EHZ. 2020-08-30T03:49:55.65 0.3 undecidable manual S 208 27.75 102 0.25 69
IV.NRCA.HHZ. 2020-08-30T03:49:54.40 0.3 undecidable manual S 299 24.0537 105 -0.04 71
IV.TERO.HHZ. 2020-08-30T03:49:53.76 0.3 undecidable manual S 122 22.1556 107 -0.2 72
IV.CSP1.EHZ. 2020-08-30T03:49:53.05 0.1 undecidable manual P 341 42.4242 96 -0.37 87
IV.MMO1.EHZ. 2020-08-30T03:49:53.03 0.3 undecidable manual S 348 19.1697 112 -0.16 71
IV.MNTT.EHZ. 2020-08-30T03:49:53.64 0.3 undecidable manual P 26 40.9257 97 0.44 64
IV.CAMP.HHZ. 2020-08-30T03:49:53.80 0.3 undecidable manual S 172 21.7671 108 -0.04 73
IV.GAVE.EHZ. 2020-08-30T03:49:52.79 0.3 undecidable manual P 264 39.3273 97 -0.16 68
IV.FDMO.HHZ. 2020-08-30T03:49:52.84 0.1 undecidable manual P 326 41.2254 96 -0.4 86
IV.GUMA.HHZ. 2020-08-30T03:49:52.53 0.1 undecidable manual P 355 37.0296 98 -0.06 94
IV.RM33.EHZ. 2020-08-30T03:49:51.09 0.1 undecidable manual P 208 27.75 102 -0.1 94
IV.MF5.EHZ. 2020-08-30T03:49:51.47 0.1 undecidable manual P 14 29.4483 101 0.03 95
IV.SMA1.EHZ. 2020-08-30T03:49:51.57 0.3 undecidable manual S 196 11.4774 131 0.13 73
IV.LNSS.HHZ. 2020-08-30T03:49:51.56 0.1 undecidable manual P 243 30.6471 100 -0.07 94
IV.MTRA.HNZ. 2020-08-30T03:49:50.40 0.3 undecidable manual S 32 3.4965 163 0.14 73
IV.CAMP.HHZ. 2020-08-30T03:49:50.05 0.3 undecidable manual P 172 21.7671 108 -0.24 70
IV.TERO.HHZ. 2020-08-30T03:49:50.17 0.3 undecidable manual P 122 22.1556 107 -0.19 71
IV.NRCA.HHZ. 2020-08-30T03:49:50.43 0.1 undecidable manual P 299 24.0537 105 -0.2 92
IV.MMO1.EHZ. 2020-08-30T03:49:49.68 0.1 undecidable manual P 348 19.1697 112 -0.23 93
IV.SMA1.EHZ. 2020-08-30T03:49:49.01 0.1 undecidable manual P 196 11.4774 131 0.1 97
IV.MTRA.HNZ. 2020-08-30T03:49:48.25 0.1 undecidable manual P 32 3.4965 163 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:2.0 0.001355 0.12 AML other m 2020-08-30T03:49:50.53
IV.MTRA.EHN. ML:2.0 0.00133 0.14 AML other m 2020-08-30T03:49:50.54
IV.MTRA.EHE. ML:1.7 0.0006134999999999999 0.12 AML other m 2020-08-30T03:49:50.64
IV.MTRA.HNE. ML:1.7 0.000631 0.26 AML other m 2020-08-30T03:49:50.64
IV.SMA1.EHE. ML:1.3 0.0001725 0.12 AML other m 2020-08-30T03:49:51.93
IV.SMA1.EHN. ML:1.2 0.00015000000000000001 0.2 AML other m 2020-08-30T03:49:51.95
IV.TERO.HHE. ML:1.0 0.0000584 0.22 AML other m 2020-08-30T03:49:54.22
IV.TERO.HHN. ML:1.1 0.0000687 0.96 AML other m 2020-08-30T03:49:54.33
IV.NRCA.HNN. ML:1.6 0.0002375 0.2 AML other m 2020-08-30T03:49:54.60
IV.NRCA.HHN. ML:1.7 0.00026900000000000003 0.18 AML other m 2020-08-30T03:49:54.61
IV.NRCA.HNE. ML:1.7 0.0002765 0.18 AML other m 2020-08-30T03:49:54.83
IV.NRCA.HHE. ML:1.8 0.000317 0.68 AML other m 2020-08-30T03:49:54.58
IV.FDMO.HHN. ML:1.3 0.0000722 0.24 AML other m 2020-08-30T03:49:59.14
IV.GUMA.HHE. ML:1.9 0.0002915 0.52 AML other m 2020-08-30T03:49:59.62
IV.GUMA.HHN. ML:1.7 0.000165 0.74 AML other m 2020-08-30T03:49:59.56
IV.FDMO.HHE. ML:1.1 0.00003974999999999999 0.86 AML other m 2020-08-30T03:49:59.87
IV.GAVE.EHN. ML:1.2 0.00005945 1.46 AML other m 2020-08-30T03:49:59.89
IV.GAVE.EHE. ML:1.3 0.00006994999999999999 0.44 AML other m 2020-08-30T03:50:01.56
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