Earthquake with magnitude of ML 1.9 on date 25-02-2020 and time 14:40:49 (Italy) in region 8 km NW Santo Stefano di Sessanio (AQ)

A magnitude ML 1.9 earthquake occured in region: 8 km NW Santo Stefano di Sessanio (AQ), on

  • 25-02-2020 13:40:49 (UTC)
  • 25-02-2020 14:40:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4, 13.59 at 17 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
Santo Stefano di Sessanio AQ 8 111 111
Barisciano AQ 8 1828 1939
Poggio Picenze AQ 10 1136 3075
Castel del Monte AQ 12 413 3488
Calascio AQ 12 137 3625
San Demetrio ne' Vestini AQ 13 1854 5479
Castelvecchio Calvisio AQ 13 153 5632
Isola del Gran Sasso d'Italia TE 13 4773 10405
Sant'Eusanio Forconese AQ 13 394 10799
Prata d'Ansidonia AQ 14 496 11295
Carapelle Calvisio AQ 14 87 11382
San Pio delle Camere AQ 14 661 12043
Castelli TE 14 1159 13202
Pietracamela TE 14 271 13473
Fossa AQ 14 721 14194
Villa Sant'Angelo AQ 15 424 14618
Ofena AQ 16 506 15124
Ocre AQ 16 1167 16291
Fagnano Alto AQ 16 418 16709
L'Aquila AQ 17 69753 86462
Tossicia TE 17 1406 87868
Villa Santa Lucia degli Abruzzi AQ 17 123 87991
Colledara TE 17 2179 90170
Fano Adriano TE 18 296 90466
Caporciano AQ 18 230 90696
Fontecchio AQ 19 369 91065
Crognaleto TE 19 1297 92362
Castel Castagna TE 19 500 92862
Farindola PE 20 1518 94380
Rocca di Cambio AQ 20 533 94913
Arsita TE 20 829 95742

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of L'Aquila (69753 inhabitants)
30 Km SW of Teramo (54892 inhabitants)
48 Km W of Montesilvano (53738 inhabitants)
48 Km W of Chieti (51815 inhabitants)
52 Km W of Pescara (121014 inhabitants)
79 Km E of Terni (111501 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km SE of Foligno (57155 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 1.9 2020-02-25
13:40:49
42.4 13.59 17 2020-02-25
13:49:34
Sala Sismica INGV-Roma 76800631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-25 13:40:49 ± 0.09
Latitude 42.40 ± 0.00
Longitude 13.59 ± 0.00
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76800631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 66
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 420
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 46
Number of defining phases 28
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) 0.63762
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 76800631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-25 13:49:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.IMOL.EHZ. 2020-02-25T13:42:02.61 3.0 undecidable manual Sg 7.23 0
IV.ROSPO.HHZ. 2020-02-25T13:41:24.43 3.0 undecidable manual S 2.81 0
IV.MAON.HHZ. 2020-02-25T13:41:22.54 3.0 undecidable manual Pn 4.2 0
IV.CSP1.EHZ. 2020-02-25T13:41:15.55 3.0 undecidable manual S -0.09 0
IV.FDMO.HHZ. 2020-02-25T13:41:15.10 3.0 undecidable manual S -0.23 0
IV.MC2.EHZ. 2020-02-25T13:41:10.43 3.0 undecidable manual S -0.68 0
IT.LRNO.HNZ. 2020-02-25T13:41:10.34 3.0 undecidable manual P 1.23 0
IV.LPEL.HHZ. 2020-02-25T13:41:08.75 3.0 undecidable manual S -0.76 0
IV.VVLD.HHZ. 2020-02-25T13:41:07.94 0.6 undecidable manual S 177 0.5306 98 0.14 46
IV.LNSS.HHZ. 2020-02-25T13:41:05.82 0.6 undecidable manual S 297 0.4533 99 0.27 46
IV.INTR.HHZ. 2020-02-25T13:41:05.41 0.6 undecidable manual S 149 0.4524 99 -0.1 48
IV.FDMO.HHZ. 2020-02-25T13:41:03.60 3.0 positive manual P -0.08 0
IV.CSP1.EHZ. 2020-02-25T13:41:03.79 3.0 negative manual P -0.06 0
IV.GUMA.HHZ. 2020-02-25T13:41:03.33 3.0 negative manual P 0.28 0
IV.FIAM.HHZ. 2020-02-25T13:41:03.60 0.6 undecidable manual S 250 0.3741 102 0.37 45
IV.CERT.HHZ. 2020-02-25T13:41:02.03 0.6 undecidable manual P 225 0.6376 96 0.14 45
IV.SMA1.EHZ. 2020-02-25T13:41:01.04 0.6 undecidable manual S 321 0.2977 106 0 50
IV.MC2.EHZ. 2020-02-25T13:41:01.12 3.0 positive manual P -0.19 0
IV.MF5.EHZ. 2020-02-25T13:41:01.70 3.0 positive manual P 0.25 0
IV.OFFI.HHZ. 2020-02-25T13:41:01.12 3.0 undecidable manual P 0.66 0
IV.NRCA.HHZ. 2020-02-25T13:41:00.43 3.0 undecidable manual P -0.25 0
IV.RM33.EHZ. 2020-02-25T13:41:00.56 0.6 undecidable manual S 292 0.2986 106 -0.5 45
IV.MMO1.EHZ. 2020-02-25T13:41:00.50 3.0 negative manual P 0.16 0
IV.LPEL.HHZ. 2020-02-25T13:41:00.25 3.0 positive manual P -0.16 0
IV.VVLD.HHZ. 2020-02-25T13:40:59.74 0.3 negative manual P 177 0.5306 98 -0.34 67
IV.CAMP.HHZ. 2020-02-25T13:40:58.33 0.6 undecidable manual S 315 0.1907 119 0.22 49
IV.INTR.HHZ. 2020-02-25T13:40:58.47 0.1 negative manual P 149 0.4524 99 -0.28 92
IV.VCEL.EHZ. 2020-02-25T13:40:58.18 0.3 undecidable manual S 92 0.1844 120 0.24 73
IV.LNSS.HHZ. 2020-02-25T13:40:58.77 0.1 positive manual P 297 0.4533 99 -0.01 97
IV.TERO.HHZ. 2020-02-25T13:40:58.90 0.6 undecidable manual S 2 0.223 114 -0.07 50
IV.T0110.HHZ. 2020-02-25T13:40:58.68 0.6 undecidable manual S 141 0.2185 115 -0.16 49
IV.FIAM.HHZ. 2020-02-25T13:40:57.67 1.0 negative manual P 250 0.3741 102 0.23 23
IV.PTQR.HHZ. 2020-02-25T13:40:57.77 1.0 positive manual P 201 0.4029 101 -0.16 24
IV.MTRA.EHZ. 2020-02-25T13:40:57.50 3.0 undecidable manual P -0.17 0
MN.AQU.HNZ. 2020-02-25T13:40:57.41 0.6 undecidable manual S 252 0.1448 128 0.45 47
IV.SMA1.EHZ. 2020-02-25T13:40:56.19 0.1 negative manual P 321 0.2977 106 0.02 99
IV.FAGN.HHZ. 2020-02-25T13:40:56.81 0.6 undecidable manual S 182 0.134 131 0.09 51
IV.RM33.EHZ. 2020-02-25T13:40:55.77 0.1 negative manual P 292 0.2986 106 -0.41 92
IV.TERO.HHZ. 2020-02-25T13:40:55.04 0.1 undecidable manual P 2 0.223 114 0.06 100
IV.T0110.HHZ. 2020-02-25T13:40:54.99 1.0 undecidable manual P 141 0.2185 115 0.09 25
MN.AQU.HNZ. 2020-02-25T13:40:54.21 0.6 undecidable manual P 252 0.1448 128 0.39 48
IV.GIGS.HHZ. 2020-02-25T13:40:54.89 0.6 undecidable manual S 346 0.0549 157 -0.44 47
IV.CAMP.HHZ. 2020-02-25T13:40:54.61 0.1 negative manual P 315 0.1907 119 0.13 99
IV.VCEL.EHZ. 2020-02-25T13:40:54.78 0.6 undecidable manual P 92 0.1844 120 0.4 47
IV.FAGN.HHZ. 2020-02-25T13:40:53.49 0.3 undecidable manual P 182 0.134 131 -0.19 74
IV.GIGS.HHZ. 2020-02-25T13:40:52.85 0.6 undecidable manual P 346 0.0549 157 -0.03 52
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHE. ML:1.8 0.000569 0.3 AML other m 2020-02-25T13:40:55.44
IV.GIGS.HHN. ML:1.6 0.000344 0.34 AML other m 2020-02-25T13:40:55.52
IV.FAGN.HHN. ML:2.2 0.0011605 0.2 AML other m 2020-02-25T13:40:57.53
IV.FAGN.HHE. ML:2.6 0.00301 1.76 AML other m 2020-02-25T13:40:58.93
IV.VCEL.EHN. ML:2.3 0.001225 0.24 AML other m 2020-02-25T13:40:58.76
IV.TERO.HHE. ML:2.2 0.0007935 0.88 AML other m 2020-02-25T13:40:59.21
IV.TERO.HNE. ML:2.3 0.001013 0.88 AML other m 2020-02-25T13:40:59.22
IV.TERO.HHN. ML:2.1 0.0006295 0.52 AML other m 2020-02-25T13:40:59.09
IV.TERO.HNN. ML:2.1 0.0006785 0.56 AML other m 2020-02-25T13:40:59.10
IV.CAMP.HHN. ML:1.6 0.000252 0.58 AML other m 2020-02-25T13:40:59.62
IV.CAMP.HHE. ML:1.4 0.0001475 0.54 AML other m 2020-02-25T13:40:59.72
IV.VCEL.EHE. ML:2.3 0.00115 1.52 AML other m 2020-02-25T13:41:00.97
IV.SMA1.EHN. ML:1.8 0.000262 0.48 AML other m 2020-02-25T13:41:02.82
IV.RM33.EHN. ML:1.5 0.00013485 1.8 AML other m 2020-02-25T13:41:03.04
IV.SMA1.EHE. ML:1.8 0.0002665 0.42 AML other m 2020-02-25T13:41:03.47
IV.MTRA.EHN. ML:2.1 0.000365 1.56 AML other m 2020-02-25T13:41:03.09
IV.MTRA.HNN. ML:2.1 0.000357 1.58 AML other m 2020-02-25T13:41:03.08
IV.RM33.EHE. ML:1.6 0.0001615 1.26 AML other m 2020-02-25T13:41:04.71
IV.MTRA.HNE. ML:2.1 0.000382 1.46 AML other m 2020-02-25T13:41:04.87
IV.MTRA.EHE. ML:2.1 0.000367 0.32 AML other m 2020-02-25T13:41:04.30
IV.INTR.HHE. ML:1.8 0.0001675 0.18 AML other m 2020-02-25T13:41:05.45
IV.INTR.HNN. ML:2.1 0.00030595 1.58 AML other m 2020-02-25T13:41:05.97
IV.INTR.HHN. ML:1.9 0.0002095 0.12 AML other m 2020-02-25T13:41:06.49
IV.LNSS.HHE. ML:1.7 0.000125 0.14 AML other m 2020-02-25T13:41:06.98
IV.PTQR.HHE. ML:1.2 3.955E-5 1.58 AML other m 2020-02-25T13:41:07.83
IV.FIAM.HHN. ML:1.2 4.56E-5 0.52 AML other m 2020-02-25T13:41:07.30
IV.VVLD.HHE. ML:1.3 3.95E-5 1.56 AML other m 2020-02-25T13:41:08.06
IV.PTQR.HHN. ML:1.2 3.785E-5 1.38 AML other m 2020-02-25T13:41:08.84
IV.FIAM.HHE. ML:1.1 3.495E-5 0.48 AML other m 2020-02-25T13:41:08.49
IV.LPEL.HNN. ML:2.1 0.0002165 1 AML other m 2020-02-25T13:41:09.25
IV.LPEL.HHN. ML:2 0.0001955 0.98 AML other m 2020-02-25T13:41:09.25
IV.LPEL.HNE. ML:2 0.0002075 1 AML other m 2020-02-25T13:41:09.84
IV.LPEL.HHE. ML:2.1 0.000213 1.02 AML other m 2020-02-25T13:41:09.97
IV.NRCA.HHE. ML:2.1 0.0002295 1.3 AML other m 2020-02-25T13:41:10.25
IV.NRCA.HHN. ML:1.9 0.000139 0.5 AML other m 2020-02-25T13:41:11.32
IV.VVLD.HHN. ML:1.5 5.945E-5 0.78 AML other m 2020-02-25T13:41:11.58
IV.LNSS.HHN. ML:1.6 0.0001035 1.42 AML other m 2020-02-25T13:41:11.17
IV.INTR.HNE. ML:2.2 0.000362 0.46 AML other m 2020-02-25T13:41:13.51
IV.GUMA.HHE. ML:2.2 0.0002035 1.26 AML other m 2020-02-25T13:41:18.24
IV.FDMO.HHN. ML:1.6 5.725E-5 0.9 AML other m 2020-02-25T13:41:18.69
IV.GUMA.HHN. ML:2.1 0.000201 0.4 AML other m 2020-02-25T13:41:18.34
IV.FDMO.HHE. ML:1.6 4.815E-5 0.54 AML other m 2020-02-25T13:41:23.33
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