Earthquake with magnitude of ML 1.6 on date 16-08-2022 and time 10:37:11 (UTC) in region 1 km NE Acquasanta Terme (AP)

A magnitude ML 1.6 earthquake occured in region: 1 km NE Acquasanta Terme (AP), on

  • 16-08-2022 10:37:11 (UTC)
  • 16-08-2022 12:37:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7750, 13.4200 at 21 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 1 2916 2916
Valle Castellana TE 8 977 3893
Arquata del Tronto AP 10 1178 5071
Montegallo AP 10 523 5594
Roccafluvione AP 11 2010 7604
Rocca Santa Maria TE 13 537 8141
Venarotta AP 13 2066 10207
Palmiano AP 14 196 10403
Ascoli Piceno AP 16 49407 59810
Montemonaco AP 16 604 60414
Accumoli RI 17 667 61081
Folignano AP 18 9241 70322
Cortino TE 18 656 70978
Amatrice RI 19 2657 73635
Montefortino FM 20 1178 74813

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Teramo (54892 inhabitants)
47 Km N of L'Aquila (69753 inhabitants)
62 Km E of Foligno (57155 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
68 Km E of Terni (111501 inhabitants)
74 Km W of Pescara (121014 inhabitants)
77 Km NW of Chieti (51815 inhabitants)
92 Km E of Perugia (166134 inhabitants)
94 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 1.6 2022-08-16
10:37:11
42.7752 13.4202 21 2023-01-31
19:03:49
Bollettino Sismico Italiano INGV 110457851
Reviewed
Rev100
ML 1.7 2022-08-16
10:37:11
42.7762 13.4192 20 2022-08-16
10:42:37
Sala Sismica INGV-Roma 108608391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-16 10:37:11 ± 0.08
Latitude 42.7752 ± 0.0027
Longitude 13.4202 ± 0.0049
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110457851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 442
Semi-minor axis of confidence ellipse (meter) 173
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.60075
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 108608391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-16 10:42:37

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 110457851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-03 15:23:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-08-16T10:37:25.03 0.3 undecidable manual S 334 39.2274 110 0.13 69
IV.GIGS.HHZ. 2022-08-16T10:37:24.35 0.3 undecidable manual S 161 37.8288 110 -0.19 68
IV.RM33.EHZ. 2022-08-16T10:37:23.85 0.3 undecidable manual S 210 33.9438 113 0.27 67
IV.EL6.EHZ. 2022-08-16T10:37:23.17 0.1 undecidable manual P 337 66.6777 100 -0.16 86
IV.GUMA.HHZ. 2022-08-16T10:37:23.52 0.3 undecidable manual S 348 32.6451 114 0.26 68
IV.NRCA.HHZ. 2022-08-16T10:37:21.58 0.6 undecidable manual S 285 25.752 121 -0.05 48
IV.MF5.EHZ. 2022-08-16T10:37:21.61 0.3 undecidable manual S 8 23.8539 124 0.41 67
IV.MC2.EHZ. 2022-08-16T10:37:21.55 0.6 undecidable manual S 309 24.1536 123 0.29 45
IV.TERO.HHZ. 2022-08-16T10:37:21.03 0.3 undecidable manual S 138 22.5552 126 0.1 72
7F.SIB1.EHZ. 2022-08-16T10:37:20.00 0.6 undecidable manual S 317 18.0708 133 0.02 49
IV.CSP1.EHZ. 2022-08-16T10:37:19.06 0.1 undecidable manual P 334 39.2274 110 -0.18 91
7F.SIB2.EHZ. 2022-08-16T10:37:19.40 0.6 undecidable manual S 324 15.9729 137 -0.2 47
7F.SIB3.EHZ. 2022-08-16T10:37:19.47 0.6 undecidable manual S 312 16.4724 136 -0.22 47
IV.MMO1.EHZ. 2022-08-16T10:37:19.39 0.3 undecidable manual S 331 15.7731 137 -0.16 71
IV.FDMO.HHZ. 2022-08-16T10:37:19.12 0.3 undecidable manual P 317 39.627 109 -0.17 68
IV.GUMA.HHZ. 2022-08-16T10:37:18.37 0.1 undecidable manual P 348 32.6451 114 0.08 94
IV.RM33.EHZ. 2022-08-16T10:37:18.62 0.1 undecidable manual P 210 33.9438 113 0.14 92
IV.GIGS.HHZ. 2022-08-16T10:37:18.82 0.1 undecidable manual P 161 37.8288 110 -0.21 90
IV.MC2.EHZ. 2022-08-16T10:37:17.22 0.1 undecidable manual P 309 24.1536 123 0.08 95
IV.MTRA.EHZ. 2022-08-16T10:37:17.87 0.3 undecidable manual S 223 2.7972 171 -0.15 73
IV.NRCA.HHZ. 2022-08-16T10:37:17.32 0.1 positive manual P 285 25.752 121 -0.03 96
IV.MF5.EHZ. 2022-08-16T10:37:17.32 0.1 undecidable manual P 8 23.8539 124 0.22 93
IV.CAMP.HHZ. 2022-08-16T10:37:17.61 0.1 undecidable manual P 182 26.5512 120 0.15 93
IV.MMO1.EHZ. 2022-08-16T10:37:16.08 0.1 undecidable manual P 331 15.7731 137 -0.07 97
IV.TERO.HHZ. 2022-08-16T10:37:16.97 0.1 undecidable manual P 138 22.5552 126 0.02 97
7F.SIB1.EHZ. 2022-08-16T10:37:16.44 0.1 undecidable manual P 317 18.0708 133 0.04 97
7F.SIB3.EHZ. 2022-08-16T10:37:16.19 0.1 undecidable manual P 312 16.4724 136 -0.04 97
7F.SIB2.EHZ. 2022-08-16T10:37:15.94 0.1 undecidable manual P 324 15.9729 137 -0.23 93
IV.MTRA.EHZ. 2022-08-16T10:37:15.25 0.1 undecidable manual P 223 2.7972 171 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.9 0.0006435 1.92 AML other m 2022-08-16T10:37:17.00
IV.MTRA.EHE. ML:2.0 0.0006995 1.92 AML other m 2022-08-16T10:37:17.98
IV.MMO1.EHE. ML:1.7 0.0003035 0.56 AML other m 2022-08-16T10:37:19.50
IV.MMO1.EHN. ML:1.8 0.00040500000000000003 0.24 AML other m 2022-08-16T10:37:19.59
IV.RM33.EHE. ML:0.0 0.0000628 0.12 AML other m 2022-08-16T10:37:24.31
IV.RM33.EHN. ML:0.0 0.00005035 0.68 AML other m 2022-08-16T10:37:24.23
IV.TERO.HNN. ML:1.5 0.00014921109999999998 0.7296 AML other m 2022-08-16T10:37:21.26
IV.MF5.EHN. ML:1.7 0.00022983675 1.8752 AML other m 2022-08-16T10:37:21.97
IV.MF5.EHE. ML:1.5 0.0001622518 1.4016 AML other m 2022-08-16T10:37:21.84
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