Earthquake with magnitude of ML 1.0 on date 13-07-2020 and time 23:12:34 (Italy) in region 2 km SE Acquasanta Terme (AP)

A magnitude ML 1.0 earthquake occured in region: 2 km SE Acquasanta Terme (AP), on

  • 13-07-2020 21:12:34 (UTC)
  • 13-07-2020 23:12:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7600, 13.4340 at 19 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.

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 2 2916 2916
Valle Castellana TE 6 977 3893
Rocca Santa Maria TE 11 537 4430
Arquata del Tronto AP 11 1178 5608
Roccafluvione AP 12 2010 7618
Montegallo AP 12 523 8141
Venarotta AP 14 2066 10207
Palmiano AP 16 196 10403
Ascoli Piceno AP 16 49407 59810
Cortino TE 16 656 60466
Accumoli RI 17 667 61133
Folignano AP 18 9241 70374
Montemonaco AP 18 604 70978
Amatrice RI 19 2657 73635
Civitella del Tronto TE 19 5116 78751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Teramo (54892 inhabitants)
45 Km N of L'Aquila (69753 inhabitants)
63 Km E of Foligno (57155 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
68 Km E of Terni (111501 inhabitants)
72 Km W of Pescara (121014 inhabitants)
75 Km NW of Chieti (51815 inhabitants)
94 Km E of Perugia (166134 inhabitants)
96 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 2020-07-13
21:12:34
42.76 13.4343 19 2020-07-13
21:19:37
Sala Sismica INGV-Roma 81012471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-13 21:12:34 ± 0.13
Latitude 42.7600 ± 0.0036
Longitude 13.4343 ± 0.0086
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81012471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 525
Semi-minor axis of confidence ellipse (meter) 456
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.37142
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 81012471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-13 21:19:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-07-13T21:12:48.48 0.3 undecidable manual S 333 41.2254 105 0.31 65
IV.NRCA.HHZ. 2020-07-13T21:12:44.61 0.1 undecidable manual S 287 27.2505 115 -0.05 96
IV.CAMP.HHZ. 2020-07-13T21:12:44.22 0.3 undecidable manual S 185 24.9528 118 0.12 72
IV.MF5.EHZ. 2020-07-13T21:12:44.44 0.3 undecidable manual S 5 25.3524 118 0.24 68
IV.MC2.EHZ. 2020-07-13T21:12:44.35 0.3 undecidable manual S 310 26.0517 117 -0.02 72
IV.TERO.HHZ. 2020-07-13T21:12:43.18 0.1 undecidable manual S 138 20.5683 124 0.08 97
IV.T1299.HNZ. 2020-07-13T21:12:43.05 0.3 undecidable manual S 222 18.6702 128 0.36 68
IV.SMA1.EHZ. 2020-07-13T21:12:42.09 0.3 undecidable manual S 209 16.4724 132 -0.14 71
IV.MMO1.HNZ. 2020-07-13T21:12:42.24 0.3 undecidable manual S 331 17.7711 129 -0.26 70
IV.CSP1.EHZ. 2020-07-13T21:12:41.99 0.3 undecidable manual P 333 41.2254 105 -0.36 65
IV.MTRA.EHZ. 2020-07-13T21:12:40.27 0.1 undecidable manual S 263 3.0969 169 -0.16 98
IV.MC2.EHZ. 2020-07-13T21:12:40.21 0.1 undecidable manual P 310 26.0517 117 0.05 95
IV.NRCA.HHZ. 2020-07-13T21:12:40.23 0.1 undecidable manual P 287 27.2505 115 -0.1 94
IV.MF5.EHZ. 2020-07-13T21:12:40.08 0.1 undecidable manual P 5 25.3524 118 0.02 96
IV.TERO.HHZ. 2020-07-13T21:12:39.64 0.1 undecidable manual P 138 20.5683 124 0.21 94
IV.T1299.HNZ. 2020-07-13T21:12:39.36 0.3 undecidable manual P 222 18.6702 128 0.17 71
IV.CAMP.HHZ. 2020-07-13T21:12:39.54 0.3 undecidable manual P 185 24.9528 118 -0.47 64
IV.SMA1.EHZ. 2020-07-13T21:12:39.07 0.3 undecidable manual P 209 16.4724 132 0.14 72
IV.MMO1.HNZ. 2020-07-13T21:12:38.98 0.1 undecidable manual P 331 17.7711 129 -0.1 96
IV.MTRA.EHZ. 2020-07-13T21:12:37.90 0.1 undecidable manual P 263 3.0969 169 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:0.7 0.00003295 0.66 AML other m 2020-07-13T21:12:44.44
IV.MTRA.EHN. ML:1.2 0.00014450000000000002 0.08 AML other m 2020-07-13T21:12:40.46
IV.SMA1.EHN. ML:0.7 0.00003145 0.56 AML other m 2020-07-13T21:12:42.28
IV.NRCA.HHE. ML:1.0 0.0000484 1.02 AML other m 2020-07-13T21:12:45.01
IV.NRCA.HHN. ML:1.2 0.00006355 0.1 AML other m 2020-07-13T21:12:45.26
IV.MTRA.HNE. ML:1.3 0.000163681305 0.1408 AML other m 2020-07-13T21:12:40.40
IV.MTRA.HNN. ML:1.2 0.00015027425 0.0768 AML other m 2020-07-13T21:12:40.43
IV.TERO.HHE. ML:0.6 0.000019864443 0.064 AML other m 2020-07-13T21:12:43.99
IV.TERO.HHN. ML:0.8 0.000033310745 0.1408 AML other m 2020-07-13T21:12:43.78
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