Earthquake with magnitude of ML 1.8 on date 27-01-2020 and time 16:08:58 (Italy) in region 5 km NE Acquasanta Terme (AP)

A magnitude ML 1.8 earthquake occured in region: 5 km NE Acquasanta Terme (AP), on

  • 27-01-2020 15:08:58 (UTC)
  • 27-01-2020 16:08:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.81, 13.44 at 20 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 5 2916 2916
Roccafluvione AP 7 2010 4926
Venarotta AP 9 2066 6992
Montegallo AP 9 523 7515
Valle Castellana TE 9 977 8492
Palmiano AP 10 196 8688
Arquata del Tronto AP 12 1178 9866
Ascoli Piceno AP 12 49407 59273
Montemonaco AP 14 604 59877
Rocca Santa Maria TE 15 537 60414
Folignano AP 16 9241 69655
Comunanza AP 17 3166 72821
Montefortino FM 17 1178 73999
Force AP 18 1354 75353
Civitella del Tronto TE 19 5116 80469
Rotella AP 19 906 81375
Montefalcone Appennino FM 20 424 81799

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Teramo (54892 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
62 Km E of Foligno (57155 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
70 Km E of Terni (111501 inhabitants)
74 Km NW of Pescara (121014 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
90 Km S of Ancona (100861 inhabitants)
92 Km E of Perugia (166134 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 1.8 2020-01-27
15:08:58
42.81 13.44 20 2020-01-27
15:17:59
Sala Sismica INGV-Roma 75913541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-27 15:08:58 ± 0.09
Latitude 42.81 ± 0.00
Longitude 13.44 ± 0.01
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 75913541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 467
Semi-minor axis of confidence ellipse (meter) 73
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 470
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 32
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
Epicentral distance of station farthest from the epicenter (degree) 0.61693
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 75913541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-27 15:17:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SLCN.HHZ. 2020-01-27T15:10:24.51 3.0 undecidable manual Sg 4.38 0
IV.MCRV.HHZ. 2020-01-27T15:10:12.10 3.0 undecidable manual Sg 4.74 0
IV.NDIM.HHZ. 2020-01-27T15:10:12.81 3.0 undecidable manual Sn -2.62 0
IV.IST3.HHZ. 2020-01-27T15:10:06.05 3.0 negative manual Pn 3.84 0
CR.STON.BHZ. 2020-01-27T15:09:51.60 3.0 negative manual Pn 4.21 0
IV.SACR.HHZ. 2020-01-27T15:09:49.70 3.0 undecidable manual Sn -0.43 0
IV.VENL.HNZ. 2020-01-27T15:09:46.02 3.0 negative manual Pg 4.94 0
IV.MTRZ.HNZ. 2020-01-27T15:09:39.56 3.0 undecidable manual Pg 7.12 0
IV.SACS.HNZ. 2020-01-27T15:09:35.99 3.0 undecidable manual S 1.01 0
IV.MOMA.HHZ. 2020-01-27T15:09:20.63 3.0 undecidable manual S -0.06 0
IV.ASSB.HHZ. 2020-01-27T15:09:19.46 0.6 undecidable manual S 292 0.6169 99 0.41 42
IV.CIMA.HNZ. 2020-01-27T15:09:18.17 3.0 undecidable manual S 0.08 0
IV.CESI.HHZ. 2020-01-27T15:09:14.01 0.6 undecidable manual S 297 0.438 103 0.19 46
IV.GAVE.EHZ. 2020-01-27T15:09:13.66 0.3 undecidable manual S 254 0.4173 104 0.43 65
IV.GIGS.HHZ. 2020-01-27T15:09:11.70 0.6 undecidable manual S 165 0.3687 107 -0.16 46
IV.RM33.EHZ. 2020-01-27T15:09:11.23 0.3 undecidable manual S 209 0.3426 108 0.12 70
IV.LNSS.HHZ. 2020-01-27T15:09:11.84 0.3 undecidable manual S 235 0.3588 107 0.28 68
IV.CSP1.EHZ. 2020-01-27T15:09:10.82 0.3 undecidable manual S 329 0.331 109 0.05 72
IV.FDMO.HHZ. 2020-01-27T15:09:10.90 0.3 undecidable manual S 311 0.3435 108 -0.24 67
IV.EL6.EHZ. 2020-01-27T15:09:09.59 3.0 positive manual P -0.47 0
IV.GUMA.HHZ. 2020-01-27T15:09:09.41 0.3 undecidable manual S 343 0.2644 115 0.46 67
IV.ASSB.HHZ. 2020-01-27T15:09:09.75 0.6 undecidable manual P 292 0.6169 99 -0.46 41
IV.NRCA.HNZ. 2020-01-27T15:09:08.14 0.3 undecidable manual S 276 0.2401 118 -0.16 70
IV.SMA1.EHZ. 2020-01-27T15:09:07.07 0.3 undecidable manual S 203 0.1943 124 -0.07 73
IV.MC2.EHZ. 2020-01-27T15:09:07.50 0.6 undecidable manual S 299 0.2104 122 -0.03 48
IV.T1299.HNZ. 2020-01-27T15:09:07.76 0.3 undecidable manual S 214 0.2095 122 0.24 70
IV.MF5.EHZ. 2020-01-27T15:09:07.25 0.3 undecidable manual S 5 0.179 127 0.47 67
IV.GAVE.EHZ. 2020-01-27T15:09:06.69 0.3 undecidable manual P 254 0.4173 104 -0.16 68
IV.CESI.HHZ. 2020-01-27T15:09:06.93 0.3 undecidable manual P 297 0.438 103 -0.26 66
IV.LNSS.HHZ. 2020-01-27T15:09:05.79 0.3 undecidable manual P 235 0.3588 107 -0.09 70
IV.CSP1.EHZ. 2020-01-27T15:09:05.20 0.3 undecidable manual P 329 0.331 109 -0.23 68
IV.GIGS.HHZ. 2020-01-27T15:09:05.83 0.3 undecidable manual P 165 0.3687 107 -0.23 68
IV.MMO1.EHZ. 2020-01-27T15:09:05.24 0.6 undecidable manual S 317 0.1223 140 -0.31 46
IV.FDMO.HHZ. 2020-01-27T15:09:05.35 0.3 undecidable manual P 311 0.3435 108 -0.29 67
IV.RM33.EHZ. 2020-01-27T15:09:05.59 0.3 undecidable manual P 209 0.3426 108 -0.04 71
IV.GUMA.HHZ. 2020-01-27T15:09:04.51 0.3 undecidable manual P 343 0.2644 115 0.13 71
IV.MTRA.EHZ. 2020-01-27T15:09:04.32 0.6 undecidable manual S 211 0.0612 158 -0.29 48
IV.MF5.EHZ. 2020-01-27T15:09:03.34 0.3 undecidable manual P 5 0.179 127 0.22 71
IV.SMA1.EHZ. 2020-01-27T15:09:03.37 0.3 undecidable manual P 203 0.1943 124 0.04 73
IV.MC2.EHZ. 2020-01-27T15:09:03.53 0.3 undecidable manual P 299 0.2104 122 -0.03 73
IV.NRCA.HNZ. 2020-01-27T15:09:03.82 0.3 undecidable manual P 276 0.2401 118 -0.18 70
IV.T1299.HNZ. 2020-01-27T15:09:03.71 0.1 undecidable manual P 214 0.2095 122 0.16 95
IV.MMO1.EHZ. 2020-01-27T15:09:02.20 0.3 undecidable manual P 317 0.1223 140 -0.21 71
IV.MTRA.EHZ. 2020-01-27T15:09:01.82 0.1 negative manual P 211 0.0612 158 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:1.8 0.0005195 0.14 AML other m 2020-01-27T15:09:04.51
IV.MTRA.EHN. ML:1.8 0.000501 0.14 AML other m 2020-01-27T15:09:04.51
IV.MTRA.HNE. ML:2 0.000873 0.16 AML other m 2020-01-27T15:09:04.53
IV.MTRA.EHE. ML:2 0.000874 0.14 AML other m 2020-01-27T15:09:04.53
IV.SMA1.EHE. ML:2.1 0.0007005 0.12 AML other m 2020-01-27T15:09:07.47
IV.MF5.EHE. ML:1.8 0.0003525 0.14 AML other m 2020-01-27T15:09:07.50
IV.SMA1.EHN. ML:2 0.00051 0.16 AML other m 2020-01-27T15:09:07.56
IV.MF5.EHN. ML:1.9 0.000482 0.3 AML other m 2020-01-27T15:09:07.45
IV.NRCA.HHE. ML:1.8 0.0003135 0.4 AML other m 2020-01-27T15:09:08.84
IV.NRCA.HNE. ML:1.8 0.000302 0.4 AML other m 2020-01-27T15:09:08.64
IV.NRCA.HNN. ML:2.1 0.0005525 0.6 AML other m 2020-01-27T15:09:08.69
IV.NRCA.HHN. ML:2.1 0.0005705 0.12 AML other m 2020-01-27T15:09:08.69
IV.GUMA.HHE. ML:2.1 0.0005725 0.2 AML other m 2020-01-27T15:09:09.72
IV.GUMA.HHN. ML:2.1 0.00056 0.16 AML other m 2020-01-27T15:09:09.72
IV.FDMO.HHE. ML:1.5 0.00011215 0.56 AML other m 2020-01-27T15:09:11.36
IV.FDMO.HHN. ML:1.6 0.000131 0.26 AML other m 2020-01-27T15:09:11.18
IV.CSP1.EHN. ML:1.7 0.000153 0.46 AML other m 2020-01-27T15:09:11.20
IV.CSP1.EHE. ML:1.7 0.000185 0.24 AML other m 2020-01-27T15:09:11.44
IV.RM33.EHE. ML:1.3 6.825E-5 0.46 AML other m 2020-01-27T15:09:11.65
IV.RM33.EHN. ML:1.2 4.97E-5 0.6 AML other m 2020-01-27T15:09:11.39
IV.LNSS.HHN. ML:1.9 0.0002375 0.86 AML other m 2020-01-27T15:09:12.03
IV.LNSS.HHE. ML:1.7 0.0001615 1.02 AML other m 2020-01-27T15:09:12.44
IV.GAVE.EHN. ML:1.8 0.0001815 0.24 AML other m 2020-01-27T15:09:14.32
IV.GAVE.EHE. ML:1.8 0.000177 0.18 AML other m 2020-01-27T15:09:14.48
IV.CESI.HHN. ML:1.3 5.735E-5 1.26 AML other m 2020-01-27T15:09:14.06
IV.CESI.HHE. ML:1.3 5.29E-5 1 AML other m 2020-01-27T15:09:16.66
IV.SACS.HNE. ML:2.5 0.000201 0.4 AML other m 2020-01-27T15:09:20.59
IV.ASSB.HHE. ML:1.3 3.545E-5 1.56 AML other m 2020-01-27T15:09:20.03
IV.ASSB.HHN. ML:1.4 4.365E-5 0.22 AML other m 2020-01-27T15:09:21.21
IV.MOMA.HHE. ML:1.5 4.88E-5 0.2 AML other m 2020-01-27T15:09:21.25
IV.MOMA.HHN. ML:1.4 4.075E-5 1.62 AML other m 2020-01-27T15:09:23.16
IV.SACS.HNN. ML:2.5 0.00019915 1.02 AML other m 2020-01-27T15:09:57.76
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download