Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 23-08-2019 and time 18:32:30 (Italy) in region 3 km W Morano Calabro (CS)

A magnitude ML 1.0 earthquake occured in region: 3 km W Morano Calabro (CS), on

  • 23-08-2019 16:32:30 (UTC)
  • 23-08-2019 18:32:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.8380, 16.1010 at 9 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Morano Calabro CS 3 4576 4576
San Basile CS 6 1055 5631
Saracena CS 8 3828 9459
Castrovillari CS 9 22240 31699
Lungro CS 11 2592 34291
Mormanno CS 11 3027 37318
Acquaformosa CS 13 1106 38424
Rotonda PZ 14 3494 41918
Frascineto CS 14 2154 44072
Firmo CS 14 2115 46187
San Donato di Ninea CS 15 1360 47547
Viggianello PZ 15 3025 50572
Laino Castello CS 15 848 51420
Altomonte CS 16 4488 55908
Orsomarso CS 17 1265 57173
Papasidero CS 17 734 57907
Laino Borgo CS 17 1921 59828
Civita CS 18 902 60730
Verbicaro CS 19 3056 63786
Cassano all'Ionio CS 20 18495 82281

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km N of Cosenza (67546 inhabitants)
93 Km S of Potenza (67122 inhabitants)
98 Km N of Lamezia Terme (70714 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 1.0 2019-08-23
16:32:30		 39.8378 16.1008 9 2019-11-13
14:31:07		 Bollettino Sismico Italiano INGV 73383311
Reviewed
Rev100 		ML 1.0 2019-08-23
16:32:30		 39.8478 16.1002 9 2019-08-23
16:45:51		 Sala Sismica INGV-Roma 71750151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-23 16:32:30 ± 0.06
Latitude 39.8378 ± 0.0045
Longitude 16.1008 ± 0.0047
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73383311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 524
Semi-minor axis of confidence ellipse (meter) 157
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 348
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) 122
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.09982
Epicentral distance of station farthest from the epicenter (degree) 0.38761
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 71750151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-23 16:45:51

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 73383311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-22 01:21:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HHZ. 2019-08-23T16:32:45.06 0.6 undecidable manual S 333 43.0236 50 0.38 45
IV.CET2.HHZ. 2019-08-23T16:32:42.64 0.6 undecidable manual S 200 36.5412 50 -0.3 46
YZ.POLL1.HHZ.00 2019-08-23T16:32:41.77 0.6 undecidable manual S 72 32.6451 50 -0.14 48
IV.GRIS.HNZ. 2019-08-23T16:32:39.43 0.6 undecidable manual S 243 23.754 111 0.25 48
IV.SIRI.HHZ. 2019-08-23T16:32:38.37 0.1 undecidable manual P 333 43.0236 50 -0.25 92
IV.SALB.HHZ. 2019-08-23T16:32:38.35 0.3 undecidable manual S 78 21.3675 114 -0.06 75
IV.CET2.HHZ. 2019-08-23T16:32:37.70 0.3 undecidable manual P 200 36.5412 50 0.09 72
YZ.POLL1.HHZ.00 2019-08-23T16:32:37.26 0.3 undecidable manual P 72 32.6451 50 0.24 70
MN.CUC.HNZ. 2019-08-23T16:32:36.51 0.6 undecidable manual P 306 29.8479 50 -0.07 49
IV.SALB.HHZ. 2019-08-23T16:32:35.04 0.1 undecidable manual P 78 21.3675 114 0.04 100
IV.GRIS.HNZ. 2019-08-23T16:32:35.44 0.3 undecidable manual P 243 23.754 111 0 75
IV.MMN.HHZ. 2019-08-23T16:32:35.12 0.3 undecidable manual S 302 11.0778 130 -0.24 73
IV.MMN.HHZ. 2019-08-23T16:32:33.35 0.1 undecidable manual P 302 11.0778 130 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMN.HHN. ML:1.8 0.0007315 0.48 AML other m 2019-08-23T16:32:35.40
IV.MMN.HHE. ML:1.6 0.00045400000000000003 0.14 AML other m 2019-08-23T16:32:35.88
IV.SALB.HHN. ML:0.7 0.0000327 0.52 AML other m 2019-08-23T16:32:38.53
IV.SALB.HHE. ML:0.8 0.00005135 1.04 AML other m 2019-08-23T16:32:41.58
IV.SIRI.HHE. ML:1.0 0.00003345 0.28 AML other m 2019-08-23T16:32:45.87
IV.SIRI.HHN. ML:0.9 0.00002385 0.76 AML other m 2019-08-23T16:32:48.58
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