Earthquake · Reviewed by USGS

M4.3 earthquake 99 km SW of Puerto Madero, Mexico

A magnitude 4.3 earthquake struck 99 km SW of Puerto Madero, Mexico at Aug 18, 2026, 05:25 UTC, at a depth of 10 km. The epicentre was 126 km (78 mi) SW of Tapachula de Cordova y Ordonez.

Details

Magnitude	4.3 mb
Time	Aug 18, 2026, 05:25 UTC
Depth	10.0 km
Coordinates	14.175, -93.159
Felt reports	0
Tsunami flag	None
Source	USGS event page

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
4.4	74 km SSW of Puerto Madero, Mexico	39 km / 24 mi	depth 35 km	Oct 24, 07:31 UTC
5.2	86 km SW of Brisas Barra de Suchiate, Mexico	36 km / 22 mi	depth 10 km	Oct 17, 13:59 UTC
4.9	115 km SW of Puerto Madero, Mexico	16 km / 10 mi	depth 10 km	Oct 17, 01:03 UTC
4.7	95 km SW of Brisas Barra de Suchiate, Mexico	42 km / 26 mi	depth 10 km	Oct 16, 04:42 UTC
4.1	114 km SW of Puerto Madero, Mexico	18 km / 11 mi	depth 10 km	Oct 12, 00:49 UTC
4.9	80 km SW of El Arenal, Mexico	50 km / 31 mi	depth 62 km	Oct 7, 07:43 UTC
4.5	128 km SW of Puerto Madero, Mexico	29 km / 18 mi	depth 10 km	Oct 3, 20:33 UTC
4.1	49 km SW of Aquiles Serdán, Mexico	64 km / 40 mi	depth 54 km	Oct 1, 08:14 UTC
4.4	149 km SW of La Esperanza (El Zapotal), Mexico	86 km / 53 mi	depth 10 km	Sep 30, 00:25 UTC
4.5	100 km SSW of Ocós, Guatemala	79 km / 49 mi	depth 18 km	Sep 29, 08:21 UTC
4.0	17 km SSE of Puerto Madero, Mexico	94 km / 58 mi	depth 67 km	Sep 27, 08:20 UTC
4.2	119 km WSW of Puerto Madero, Mexico	28 km / 17 mi	depth 10 km	Sep 26, 17:30 UTC
4.5	103 km SW of Puerto Madero, Mexico	5 km / 3 mi	depth 10 km	Sep 24, 14:02 UTC
4.2	112 km SW of Brisas Barra de Suchiate, Mexico	36 km / 23 mi	depth 10 km	Sep 23, 08:23 UTC
4.4	118 km SW of Brisas Barra de Suchiate, Mexico	51 km / 32 mi	depth 10 km	Sep 21, 22:01 UTC
4.6	132 km WSW of Puerto Madero, Mexico	46 km / 29 mi	depth 10 km	Sep 18, 13:12 UTC
4.2	97 km SW of Champerico, Guatemala	85 km / 53 mi	depth 10 km	Sep 17, 05:32 UTC
5.0	71 km SSW of Ocós, Guatemala	80 km / 50 mi	depth 10 km	Sep 16, 03:45 UTC
4.2	40 km WSW of Puerto Madero, Mexico	60 km / 37 mi	depth 10 km	Sep 15, 19:07 UTC
4.1	109 km SW of Puerto Madero, Mexico	13 km / 8 mi	depth 10 km	Sep 15, 17:44 UTC
4.2	99 km WSW of Puerto Madero, Mexico	9 km / 6 mi	depth 10 km	Sep 14, 22:42 UTC
4.2	58 km SW of Ocós, Guatemala	68 km / 43 mi	depth 35 km	Sep 12, 08:17 UTC
4.0	75 km SW of Puerto Madero, Mexico	24 km / 15 mi	depth 35 km	Sep 11, 21:31 UTC
4.2	130 km SW of Brisas Barra de Suchiate, Mexico	44 km / 28 mi	depth 10 km	Sep 11, 05:44 UTC
4.5	94 km SW of Puerto Madero, Mexico	7 km / 4 mi	depth 10 km	Sep 10, 13:29 UTC

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.