Earthquake with magnitude of ML 1.2 on date 23-05-2020 and time 02:30:04 (Italy) in region 2 km E Castelli (TE)

A magnitude ML 1.2 earthquake occured in region: 2 km E Castelli (TE), on

  • 23-05-2020 00:30:04 (UTC)
  • 23-05-2020 02:30:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.49, 13.74 at 15 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
Castelli TE 3 1159 1159
Arsita TE 4 829 1988
Castel Castagna TE 7 500 2488
Isola del Gran Sasso d'Italia TE 7 4773 7261
Bisenti TE 7 1952 9213
Colledara TE 8 2179 11392
Farindola PE 8 1518 12910
Tossicia TE 10 1406 14316
Basciano TE 12 2434 16750
Cermignano TE 12 1649 18399
Penna Sant'Andrea TE 12 1698 20097
Castiglione Messer Raimondo TE 13 2324 22421
Montebello di Bertona PE 13 991 23412
Montefino TE 13 1027 24439
Castel del Monte AQ 14 413 24852
Montorio al Vomano TE 14 8218 33070
Cellino Attanasio TE 15 2520 35590
Villa Celiera PE 15 681 36271
Castilenti TE 15 1508 37779
Penne PE 16 12267 50046
Pietracamela TE 16 271 50317
Villa Santa Lucia degli Abruzzi AQ 17 123 50440
Ofena AQ 18 506 50946
Santo Stefano di Sessanio AQ 18 111 51057
Civitella Casanova PE 18 1815 52872
Calascio AQ 18 137 53009
Fano Adriano TE 18 296 53305
Canzano TE 19 1934 55239
Elice PE 19 1712 56951
Teramo TE 20 54892 111843
Carpineto della Nora PE 20 662 112505
Castelvecchio Calvisio AQ 20 153 112658

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km S of Teramo (54892 inhabitants)
32 Km E of L'Aquila (69753 inhabitants)
34 Km W of Montesilvano (53738 inhabitants)
38 Km W of Chieti (51815 inhabitants)
39 Km W of Pescara (121014 inhabitants)
90 Km E of Terni (111501 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
100 Km NE of Guidonia Montecelio (88673 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
Reviewed
Rev100
ML 1.2 2020-05-23
00:30:04
42.49 13.74 15 2020-05-23
00:35:36
Sala Sismica INGV-Roma 79465691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-23 00:30:04 ± 0.23
Latitude 42.49 ± 0.01
Longitude 13.74 ± 0.02
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79465691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1025
Semi-minor axis of confidence ellipse (meter) 913
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.57736
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 79465691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-23 00:35:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-05-23T00:30:28.82 3.0 undecidable manual Sg -0.84 0
IV.NRCA.HHZ. 2020-05-23T00:30:25.04 0.6 undecidable manual S 307 0.5774 95 0.78 41
IV.T0110.HHN. 2020-05-23T00:30:15.18 0.6 undecidable manual S 174 0.2581 104 0.28 48
IV.NRCA.HHZ. 2020-05-23T00:30:15.79 0.6 undecidable manual P 307 0.5774 95 -0.18 46
IV.FAGN.HHZ. 2020-05-23T00:30:14.94 0.6 undecidable manual S 208 0.25 105 0.28 49
IV.TERO.HHZ. 2020-05-23T00:30:12.64 0.3 undecidable manual S 323 0.17 116 0.21 77
IV.GIGS.HHZ. 2020-05-23T00:30:11.39 0.3 undecidable manual S 255 0.1295 126 -0.01 78
IV.VCEL.EHZ. 2020-05-23T00:30:11.34 0.3 undecidable manual S 142 0.1169 130 0.24 75
IV.T0110.HHN. 2020-05-23T00:30:10.72 0.6 undecidable manual P 174 0.2581 104 0.15 49
IV.FAGN.HHZ. 2020-05-23T00:30:10.08 0.3 positive manual P 208 0.25 105 -0.35 73
IV.VCEL.EHZ. 2020-05-23T00:30:08.14 0.3 negative manual P 142 0.1169 130 -0.24 77
IV.TERO.HHZ. 2020-05-23T00:30:08.93 0.3 undecidable manual P 323 0.17 116 -0.21 75
IV.GIGS.HHZ. 2020-05-23T00:30:08.30 0.1 undecidable manual P 255 0.1295 126 -0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VCEL.EHE. ML:1.4 0.0002105 0.5 AML other m 2020-05-23T00:30:11.53
IV.TERO.HHE. ML:1.2 9.99E-5 1.76 AML other m 2020-05-23T00:30:12.89
IV.VCEL.EHN. ML:1.1 0.0001155 1.28 AML other m 2020-05-23T00:30:12.31
IV.TERO.HHN. ML:1 7.075E-5 1.94 AML other m 2020-05-23T00:30:13.98
IV.FAGN.HHE. ML:1.2 7.82E-5 0.4 AML other m 2020-05-23T00:30:15.50
IV.FAGN.HHN. ML:1 4.375E-5 1.4 AML other m 2020-05-23T00:30:15.82
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